Search results for: ORGANIC/ORGANIC SEPARATION

• Microanalysis of volatile organic compounds (VOCs) in water samples - methods and instruments

  Publication

  • M. Marczak
  • L. Wolska
  • W. Chrzanowski
  • J. Namieśnik

  - MICROCHIMICA ACTA - Year 2006

  W pracy przedstawiono stan wiedzy nt. metodyk analitycznych oraz urządzeń kontrolno-pomiarowych, wykorzystywanych w badaniach próbek wody na zawartość lotnych związków organicznych. Szczególną uwagę zwrócono na techniki izolacji i wzbogacania analitów przed etapem oznaczeń końcowych.

• Coexistence of dissociation and annihilation of excitons on charge carriers in organic phosphorescent emitters

  Publication

  • J. Kalinowski
  • W. Stampor
  • J. Szmytkowski
  • D. Virgili
  • M. Cocchi
  • V. Fattori
  • C. Sabatini

  - PHYSICAL REVIEW B - Year 2006

  W pracy badano elektrycznopolową dysocjację ekscytonów i wygaszanie ekscytonów na nośnikach ładunku elektrycznego w organicznym kompleksie irydu (III), umieszczonego w matrycy poliwęglan : dwuamina TPD. Proces dysocjacji ekscytonów jest zgodny z trójwymiarowym modelem Onsagera. Analiza ilościowa wygaszenia ładunkowego fotoluminescencji pozwoliła wyznaczyć stałe oddziaływania ekscyton - ładunek elektryczny.

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• Organic electroluminescence from singlet and triplet exciplexes: Exciplex electrophosphorescent diode

  Publication

  • M. Cocchi
  • D. Virgili
  • C. Sabatini
  • J. Kalinowski

  - CHEMICAL PHYSICS LETTERS - Year 2006

  W pracy zaobserwowano po raz pierwszy elektroluminescencję z trypletowych stanów ekscypleksowych w układzie dwuamina TPD (donor) -organiczny kompleks gadolinu (akceptor). Opsano konstrukcję elektrofosforescencyjnej diody ekscypleksowej.

• Highly efficient exciplex phosphorescence from organic light-emitting diodes

  Publication

  • D. Virgili
  • M. Cocchi
  • V. Fattori
  • C. Sabatini
  • J. Kalinowski
  • J. A. G. Williams

  - CHEMICAL PHYSICS LETTERS - Year 2006

  W pracy badano fluorescencję ekscypleksową w układzie dendrymer aminowy m-MTDATA(donor elektronu):fenantrolina BPT (akceptor) oraz fosforescencję ekscypleksową w układzie m-MTDATA:organiczny kompleks platyny PtL2Cl. Opisano konstrukcję dwuwarstwowej diody elektrofosforescencyjnej o kwantowej (użytecznej) wydajności świecenia 2.4%.

• Assessment of fatigue damage of organic coatings subjected to cyclic mechanical stress

  Publication

  • K. Darowicki
  • M. Szociński

  - Year 2005

  Technika szumu elektrochemicznego od ponad 20 lat stanowi przedmiot intensywnych badań mających na celu jej praktyczne zastosowanie w monitorowaniu korozji. U podstaw omawianej metody leży odpowiednia analiza rejestrowanych symultanicznie przebiegów prądowych i potencjałowych. W zależności od użytej techniki obróbki danych uzyskane mogą być informacje dotyczące ilościowych (szybkość) i jakościowych (rodzaj zaatakowania) cech procesu...

• Impedance-based sensing of the interlayer adhesion loss in organic coating systems.

  Publication

  • A. Miszczyk
  • K. Darowicki
  • T. Schauer

  - Year 2005

  Zmienne parametry środowiska takie jak: temperatura,wilgotność i promieniowanie UV powodują degradację własności ochronnych powłok organicznych. Stosując sensor w postaci elektrod wykonanych z prądoprzewodzącego tuszu umieszczonych pomiędzy warstwami zestawu oraz technikę spektroskopii impedancyjnej stwierdzono możliwość monitorowania utraty adhezji międzywarstwowej.

• Calibration of the Chemcatcher passive sampler for the monitoring of priority organic pollutants in water

  Publication

  • B. Vrana
  • G. A. Mills
  • E. Dominiak
  • R. Greenwood

  - ENVIRONMENTAL POLLUTION - Year 2006

  Na Univeristy of Portsmouth (UK) opracowano próbnik pasywny typu Chemcatcher, który może być stosowany do długotrwałego monitoringu organicznych zanieczyszczeń wody. Na działanie wszystkich próbników pasywnych wpływ mają warunki środowiskowe takie jak np. ruch wody czy temperatura. Przed użyciem próbnika Chemcatcher w badaniach polowych wymagana więc była wcześniejsza kalibracja w laboratorium. Przedstawiono wyniki serii doświadczeń...

• Monitoring of organic pollutants in coastal waters of the Gulf of Gdańsk, Southern Baltic.

  Publication

  • A. Kot-Wasik
  • J. Dębska
  • J. Namieśnik

  - Year 2004

  Przedstawiono zmiany zawartości zanieczyszczeń organicznych (np. VOC, PAH, PCB, chlorofenoli) w wodach Zatoki Gdańskiej na przestrzeni 5-ciu lat. Zawartość VOX i VOC zmieniała się od kilku ngdm-3 do kilkuset ngdm-3, podczas gdy zawartość chlorofenoli fenoksykwasów była na poziomie kilku ngdm-3. W większości próbek nie wykryto PCB.

• Preparation of environmental samples for gas chromatographic determination of selected organic pollutants

  Publication

  • B. Zygmunt

  - Annals of West University of Timisoara Series of Chemistry - Year 2002

  Opisano różne metody izolacji i wzbogacania zanieczyszczeń organicznych z ciekłych, gazowych i stałych próbek środowiskowych. Opisano konstrukcję i testowanie nowych systemów do przygotowania próbek oraz ich zastosowanie w połączeniu z chromatografią gazową do oznaczania zanieczyszczeń organicznych w póbkach rzeczywistych.

• Pre-selection and assessment of green organic solvents by clustering chemometric tools

  Publication

  • M. Tobiszewski
  • M. Nedyalkova
  • S. Madurga
  • F. Pena-Pereira
  • J. Namieśnik
  • V. Simeonov

  - ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY - Year 2018

  The study presents the result of the application of chemometric tools for selection of physicochemical parameters of solvents for predicting missing variables – bioconcentration factors, water-octanol and octanol-air partitioning constants. EPI Suite software was successfully applied to predict missing values for solvents commonly considered as “green”. Values for logBCF, logKOW and logKOA were modelled for 43 rather nonpolar solvents...

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• Aplication of impedance imaging to evaluation of organic coating degradation at a local scale

  Publication

  • M. Szociński
  • K. Darowicki
  • K. Schaefer-Rychel

  - Journal of Coatings Technology and Research - Year 2012

  Zaproponowano nowe podejście do oceny lokalnych właściwości elektrycznych powłok organicznych. Wykorzystuje ono mikroskop sił atomowych pracujący w trybie kontaktowym. Pomiędzy igłę mikroskopu i podłoże metalowe pokryte powłoką przykładany jest sinusoidalny napięciowy sygnał pobudzenia o zadanej częstotliwości i mierzony jest prądowy sygnał odpowiedzi. Zalety tego podejścia zostały zaprezentowane na przykładzie powłoki akrylowej...

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• Calculating the Partition Coefficients of Organic Solvents in Octanol/Water and Octanol/Air

  Publication

  • M. Nedyalkova
  • S. Madurga
  • M. Tobiszewski
  • V. Simeonov

  - Journal of Chemical Information and Modeling - Year 2019

  Partition coefficients define how a solute is distributed between two immiscible phases at equilibrium. The experimental estimation of partition coefficients in a complex system can be an expensive, difficult, and time-consuming process. Here a computational strategy to predict the distributions of a set of solutes in two relevant phase equilibria is presented. The octanol/water and octanol/air partition coefficients are predicted...

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• Determination of Selected Organic Acids in Animal Farm Water Samples by Ion Chromatography

  Publication

  • M. Wasielewska
  • A. Banel
  • B. Zygmunt

  - International Journal of Chemical Engineering and Applications - Year 2012

  Low molecular mass carboxylic acids (LCAs) occur in many environmental compartments due to natural processes and human activity. They are an important group of organic pollutants of waste water that mainly includes, volatile fatty acids, and also dicarboxylic, aromatic, hydroxy- and ketoacids. LCAs are present in the environment at concentrations between 1 to 5000 ppm and different methods have been reported for their determination...

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• Recent Advances in Nanocomposite Membranes for Organic Compound Remediation from Potable Waters

  Publication

  • J. R. A. Cosme
  • R. Castro Munoz
  • V. Vatanpour

  - ChemBioEng Reviews - Year 2023

  Water treatment is one of the main approaches for producing drinking water from contaminated water sources which is challenging due to the presence of a variety of substances requiring removal. The fabrication of nanocomposite membranes relies either on filling nanomaterials into polymeric phases before membrane fabrication, or coating of nanomaterials on the fabricated membrane surface. The removal of organic compounds from potable...

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• Water uptake in protective organic coatings and its reflection in measured coating impedance

  Publication

  • A. Miszczyk
  • K. Darowicki

  - PROGRESS IN ORGANIC COATINGS - Year 2018

  Water uptake in commercially available epoxy coating on mild steel using impedance spectroscopy and gravimetry was studied. The water content in the coating was determined using the Brasher-Kingsbury equation and various methods of coating capacitance calculation used in the literature. The obtained results were compared with reference gravimetric data. An overestimation of values obtained from impedance data in relation to gravimetric...

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• Organic and conventional kiwifruit, myths versus reality: antioxidant, antiproliferative and helth effects

  Publication

  • Y. S. Park
  • K. Ham
  • S. Kang
  • Y. Park
  • J. Namieśnik
  • H. Leontowicz
  • M. Leontowicz
  • A. Ezra
  • S. Trakhtenberg
  • S. Gorinstein

  - JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY - Year 2012

  Comparison between organic and conventional kiwifruit cultivars 'Hayward' and 'Bidan', which was done by four radical scavenging assays, ESI-MS, and DSC measurements, showed significant differences between the cultivars. Such results were not estimated in kiwifruit growing under organic and conventional conditions. The extraction of bioactive compounds was done by two different methods: sequential extraction with ethyl acetate...

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• Organic and conventional kiwifruit myths versus reality: antioxidant, antiproliferative and health effects

  Publication

  • Y. S. Park
  • K. Ham
  • S. Kang
  • Y. Park
  • J. Namieśnik
  • H. Leontowicz
  • M. Leontowicz
  • A. Ezra
  • S. Trakhtenberg
  • S. Gorinstein

  - JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY - Year 2012

  Comparison between organic and conventional kiwifruit cultivars ''Hayward'' and ''Bidan'', which was done by four redical scavenging assays, ESI-MS, and DSC measurements, showed significant differences between cultivars. Such results were not estimated in kiwifruit growing under organic and conventional conditions. The extraction of bioactive compounds was done by two different methods: sequential extraction with ethyl acetate...

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• Functionalized nanodiamonds as a perspective green carbo-catalyst for removal of emerging organic pollutants

  Publication

  • R. Bogdanowicz

  - CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE - Year 2022

  Rapid industrial and urban development jointly with rising global population strongly affect the large-scale issues with drinking, groundwater, and surface water pollution. Concerns are not limited to environmental issues but also human health impact becoming serious global aspect. Organic pollution becomes a primarily serious hazard, therefore, the novel sophisticated approaches to treat them are thoroughly investigated. Among...

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• Influence of excitons interaction with charge carriers on photovoltaic parameters in organic solar cells

  Publication

  • D. Głowienka
  • J. Szmytkowski

  - CHEMICAL PHYSICS - Year 2018

  We report on theoretical analysis of excitons annihilation on charge carriers in organic solar cells. Numerical calculations based on transient one-dimensional drift-diffusion model have been carried out. An impact of three quantities (an annihilation rate constant, an exciton mobility and a recombination reduction factor) on current density and concentrations of charge carriers and excitons is investigated. Finally, we discuss...

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• Four-body recombination in organic bulk heterojunction solar cells: an alternative interpretation

  Publication

  • J. Szmytkowski

  - SEMICONDUCTOR SCIENCE AND TECHNOLOGY - Year 2013

  We demonstrate a new interpretation of the previously reported quadrimolecular recombination in organic bulk heterojunction solar cells. It is suggested that the recently described (Szmytkowski 2012 Phys. Status Solidi RRL 6 300) interaction between exciton and electron–hole Langevin bound pair formed across the donor–acceptor interface is a four-particle process. This is in opposition to the treatment of this effect as a three-particle...

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• Determination of the chemical structure of potencial organic impurities occuring in the drug substance opopramol

  Publication

  • E. Luboch
  • E. Wagner-Wysiecka
  • M. Jamrógiewicz
  • J. Szczygelska-Tao
  • J. Biernat

  - PHARMAZIE - Year 2010

  The tricyclic antipsychotic and antidepressant drug opipramol was examined with regard to the chemical structure of its organic impurities. Impurities were isolated from the technical product by chromatographic methods and their chemical structures were estabilished by HMNR, MS and FTIR.

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• Synthetic strategies in construction of organic low molecular-weight carrier-drug conjugates

  Publication

  • A. S. Skwarecki
  • M. Nowak
  • M. J. Milewska

  - BIOORGANIC CHEMISTRY - Year 2020

  Inefficient transportation of polar metabolic inhibitors through cell membranes of eukaryotic and prokaryotic cells precludes their direct use as drug candidates in chemotherapy. One of the possible solutions to this problem is application of the ‘Trojan horse’ strategy, i.e. conjugation of an active substance with a molecular carrier of organic or inorganic nature, facilitating membrane penetration. In this work, the synthetic...

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• Hydrogen evolution reaction catalyzed by Co-based metal-organic frameworks and their derivatives

  Publication

  • N. Łukasik
  • D. Roda
  • M. A. de Oliveira
  • B. Silva Barros
  • J. Kulesza
  • M. S. Łapiński
  • H. Świątek
  • A. Ilnicka
  • T. Klimczuk
  • M. Szkoda

  - INTERNATIONAL JOURNAL OF HYDROGEN ENERGY - Year 2024

  In this study, Co-bearing Metal-Organic Frameworks (MOFs) are grown via a facile solvothermal process on the surface of two kinds of conductive substrates – titanium dioxide nanotubes (TiO2NT) and fluorine-doped tin oxide (FTO) glass and tested as electrodes in the electrochemical hydrogen evolution reaction (HER). The materials derived from three organic linkers - terephthalic acid (Co-BDC), 2-aminoterephthalic acid (Co-BDCNH2),...

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• Miniaturized Passive Emission Chambers for In Situ Measurement of Emissions of Volatile Organic Compounds

  Publication

  • M. Marć
  • B. Zabiegała
  • J. Namieśnik

  - CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY - Year 2013

  The results of many different studies have demonstrated unequivocally that the quality of indoor air is often much worse than that of atmospheric air. The presence of dangerous chemical compounds in indoor air can have an adverse impact on human health and cause numerous diseases of the respiratory and circulatory systems. Such harmful chemicals get into indoor air as a result of their emission from building and indoor materials....

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• Friction-Induced Oscillations of a Non-Asbestos Organic Pin Sliding on a Steel Disc

  Publication

  • O. Nosko
  • T. Nagamine
  • H. Mori
  • Y. Sato

  - Acta Mechanica et Automatica - Year 2015

  Friction-induced oscillations result in deterioration of performance of disc brakes and are generally undesired. We conduct experimental study of friction-induced oscillations in a non-asbestos organic material / steel pair used in disc brakes of motor vehicles. The tests are done by use of a pin-on-disc machine which has the pin sample supported on a deformable beam. The adjustable friction parameters are the disc velocity, contact...

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• Modification of current-voltage characteristics of planar organic systems by nm-thick interlayer

  Publication

  • R. Signerski
  • G. Jarosz

  - CENTRAL EUROPEAN JOURNAL OF PHYSICS - Year 2013

  Effect of nm-thick interlayer of copper phthalocyanine (CuPc) or perylene dye (MePTCDI) on current-voltage characteristics of planar organic systems is discussed in the work. The MePTCDI layer strongly limits injection of holes from ITO into CuPc, while CuPc limits injection of electrons from ITO into MePTCDI. In the systems with CuPc/MePTCDI heterojunction an explicit photovoltaic effect occurs.

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• Miniaturized passive emission test chamber for in-situ measurement of emissions of organic compounds

  Publication

  • M. Marć

  - Year 2012

  The results of many different studies have demonstrated unequivocally that the quality of indoor air is often much worse than that of atmospheric air (outdoor). One of the main groups of chemical compounds present in indoor air, with proven harmfulness to health,are volatile organic compounds (VOCs). VOCs present indoor comprise a wide variety of hydrocarbons and hydrocarbons derivatives including aliphatic, aromatics, alkylbenzens,...

• Organic Rankine cycle as bottoming cycle to a combined Brayton and Clausius - Rankine cycle

  Publication

  • D. Mikielewicz
  • E. Żmuda

  - Year 2013

  A preliminary evaluation has been made of a possibility of bottoming of a conventional Brayton cycle cooperating with the CHP power plant with the organic Rankine cycle installation. Such solution contributes to the possibility of annual operation of that power plant, except of operation only in periods when there is a demand for the heat. Additional benefit would be the fact that an optimized backpressure steam cycle has the advantage...

• Modeling of Transient Photocurrent in Organic Semiconductors Incorporating the Annihilation of Excitons on Charge Carriers

  Publication

  • D. Głowienka
  • J. Szmytkowski

  - ACTA PHYSICA POLONICA A - Year 2017

  The role of the annihilation of excitons on charge carriers has been theoretically investigated in organic semiconductors. We have developed the numerical drift-diffusion model by incorporation terms which describe the annihilation process. The transient photocurrent has been calculated for different injection barrier heights, exciton mobilities, and annihilation rate constants. We have demonstrated that the annihilation has a...

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• Determination of the chemical structure of potential organic impurities occurring in drug substance opipramol

  Publication

  • M. Jamrógiewicz
  • E. Luboch
  • E. Wagner-Wysiecka
  • J. Szczygelska-Tao
  • S. Magiełka

  - PHARMAZIE - Year 2010

  The tricyclic antipsychotic and antidepressant drug opipramol (opipramole) was examined with regard to the chemical structure of its organic impurities. Impurities were isolated from the technical product by chromatographic methods and their chemical structures were established by 1H NMR, MS and FTIR and further confirmed by comparison with commercially available products or with products obtained by independent synthesis, and...

• Theoretical Organic Rankine Cycle efficiency depending on different thermodynamic work variables.

  Publication

  • M. Ryms

  - Year 2010

  One of promising technologies of utilizing low- temperature waste heat is through ORC (Organic Rankine Cycle) system implementation. A primary objective in designing in-stallations based on such systems is to maximize the installation's work efficiency. On the other hand, ecological factors are commonly considered a natural barrier in introducing new, often very expensive technologies. Ecological effect of a potential modernization...

• Expectation-Maximization Model for Substitution of Missing Values Characterizing Greenness of Organic Solvents

  Publication

  • G. Łuczyńska
  • F. Pena-Pereira
  • M. Tobiszewski
  • J. Namieśnik

  - MOLECULES - Year 2018

  Organic solvents are ubiquitous in chemical laboratories and the Green Chemistry trend forces their detailed assessments in terms of greenness. Unfortunately, some of them are not fully characterized, especially in terms of toxicological endpoints that are time consuming and expensive to be determined. Missing values in the datasets are serious obstacles, as they prevent the full greenness characterization of chemicals. A featured...

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• Crystal facet effects in photocatalytic degradation of organic pollutants over anatase TiO2

  Publication

  • S. Dudziak

  - Year 2023

  Presented work show detailed effect of the exposed crystal facets of anatase TiO2 on the photocatalytic degradation of organic pollutants. The most important existing information about the geometry and electronic properties of the low index anatase facets are summarised. During the performed works, anatase nanoparticles with the dominant exposition of either {0 0 1}, {1 0 0} or {1 0 1} crystal facets were prepared and their photocatalytic...

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• Organic-inorganic composites consisted of poly(3,4-ethylenedioxythiophene)and Prussian Blue analogues

  Publication

  • A. Lisowska-Oleksiak
  • M. Wilamowska-Zawłocka
  • V. JASULAITIENé

  - ELECTROCHIMICA ACTA - Year 2011

  The organic-inorganic material consisted of poly(3,4-ethylenedioxythiophene) (pEDOT) and copper hexacyanoferrate (Cuhcf) was synthesized. The pEDOT film with Fe(CN)63−/4− as counter-ions potentiodynamically polarized in aqueous CuCl2 electrolyte brings about stable hybrid material (pEDOT/Cuhcf) performing single redox activity of FeII/III at a formal potential Ef = 0.61 V (vs. Ag/AgCl/0.1 M KCl) and less clearly shaped two redox...

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• Exposure to cooking emitted volatile organic compounds with recirculating and extracting ventilation solutions

  Publication

  • W. Wojnowski
  • A. Yang
  • T. Mikoviny
  • A. Wisthaler
  • K. Thunshelle

  - BUILDING AND ENVIRONMENT - Year 2024

  Energy-efficient urban development leads to the compact design of apartments. Recirculating ventilation solutions are an attempt to minimize the space required for ventilation ducting, but more data on their performance are needed. Cooking is a major source of volatile organic compounds (VOCs) emissions. It is necessary to assess how well recirculating kitchen hoods perform in reducing the residents' exposure to cooking fumes compared...

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• A Review on Metal–Organic Framework as a Promising Catalyst for Biodiesel Production ENERGY & FUELS

  Publication

  • G. V. Nguyen
  • P. Sharma
  • M. Dzida
  • V. H. Bui
  • H. S. Le
  • A. S. El-Shafay
  • H. C. Le
  • D. T. N. Le
  • V. D. Tran

  - ENERGY & FUELS - Year 2024

  The rapid depletion of fossil-derived fuels along with rising environmental pollution have motivated academics and manufacturers to pursue more environmentally friendly and sustainable energy options in today’s globe. Biodiesel has developed as an ecologically favorable alternative. However, the mass manufacturing of biodiesel on an industrial scale confronts substantial cost and pricing challenges. To address this issue, high-efficiency...

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• Geochemical fractionation of organic matter in the Jurassic-Cretaceous Vaca Muerta shale, Argentina

  Publication

  • A. Małachowska

  - Year 2019

  Several studies have indicated the presence of more than one generation of bitumen that could be isolated from rocks through sequential extraction or after demineralization or both. Nabbefeld et al. (2010a) and Holman et al. (2012, 2014) termed bitumen obtained after solvent extraction from the undigested rock as “Bitumen I" and that obtained by extraction after demineralization of rock as “Bitumen II.” The occurrence of different...

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• Characteristics of volatile organic compounds emission profiles from hot road bitumens

  Publication

  • G. Boczkaj
  • A. Przyjazny
  • M. A. Kamiński

  - CHEMOSPHERE - Year 2014

  A procedure for the investigation and comparison of volatile organic compounds (VOCs) emission profiles to the atmosphere from road bitumens with various degrees of oxidation is proposed. The procedure makes use of headspace analysis and gas chromatography with universal as well as selective detection, including gas chromatography–mass spectrometry (GC–MS). The studies revealed that so-called vacuum residue, which is the main component...

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• Problems and challenges associated with estimating the emissions of organic compounds from indoor materials

  Publication

  • M. Marć

  - TRAC-TRENDS IN ANALYTICAL CHEMISTRY - Year 2017

  For several years intensive research has been carried out with the aim of developing a database of the types and amounts of pollutants released from indoor materials to the indoor environment. The paper discusses in detail basic problems and challenges encountered when estimating the emissions of chemical compounds released from of indoor materials. Factors affecting the validity of data obtained by using two different types of...

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• Working fluid selection for Organic Rankine Cycle applied to heat recovery systems

  Publication

  • D. BâNDEAN
  • S. Smoleń
  • J. Cieśliński

  - Year 2011

  Przedstawiono algorytm obliczeń sprawności systemu ORC na bazie dużej liczby cieczy organicznych.

• Interlayer defect evolution in an organic coating system on steel under hydromechanical loading

  Publication

  • A. Miszczyk
  • M. Szociński
  • K. Darowicki
  • K. Darowicki

  - JOURNAL OF APPLIED ELECTROCHEMISTRY - Year 2007

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• Dependence between quality and removal effectiveness of organic matter in hybrid constructed wetlands

  Publication

  • A. Lang
  • H. Obarska-Pempkowiak

  - BIORESOURCE TECHNOLOGY - Year 2008

  W procesie oczyszczania ścieków w Vertical Flow Constructed Wetland (VF-CW) jednym z czynników jest dopływ tlenu. Niewystarczający dopływ tlenu do złoża może być przyczyną braku efektywności usuwania zanieczyszczeń, a więc wskazywać na niewłaściwą eksploatację obiektu.Obiekty badań stanowiły złoża pionowe stanowiące jeden z elementów biologicznego oczyszczania dwóch hybrydowych systemów hydrofitowych zlokalizowanych w Wieszynie...

• On doubts about Mott-Schottky plot of organic planar heterojunction in photovoltaic cell

  Publication

  • G. Jarosz

  - JOURNAL OF NON-CRYSTALLINE SOLIDS - Year 2008

  Na wykresie Motta-Schottky'ego przedstawione są wyniki pomiarów przeprowadzonych na komórkach fotowoltaicznych z planarnym heterozłączem organicznym. W pracy pokazano, że fotowoltaiczne układy z planarnym heterozłączem organicznym, podobnie jak planarne złącza półprzewodnikowe, mogą prowadzić do liniowych charakterystyk na wykresie Motta-Schottky'ego. Pokazano jednak, że parametry uzyskane z analizy otrzymanych prostych nie mogą...

• Application of renewable energy sources to drive organic Rankine cycle micro CHP

  Publication

  • J. Mikielewicz
  • S. Bykuć
  • D. Mikielewicz

  - Year 2006

  Odnawialne źródła energii rzadko znajdują zastosowanie przy stawianych obecnie wymaganiach przez nowoczesne ciepłownie. Pojawiła się unikalna okazja pomocy przy wprowadzeniu na rynek elektrowni zoptymalizowanej dla tych nieużywanych i pomijanych źródeł ciepła. Organiczny obieg Rankine'a jest podobny do konwencjonalnych turbin parowych, wyjątkiem jest płyn napędzający turbinę, którym jest płyn roboczy o dużej masie cząsteczkowej....

• Removal of hydrophobic organic pollutants from soil by surfactants and biosurfactants solution flushing

  Publication

  • S. Pastewski
  • E. Hallmann
  • K. Mędrzycka

  - POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Year 2007

  Przedstawiono wyniki solubilizacji dwóch związków hydrofobowych - tetrachloroetylenu i dodekanu oraz dwóch bazowych olejów mineralnych - SAE 30/95 i PAO6 w wodnych roztworach syntetycznych związków powierzchniowo czynnych oraz biosurfaktantów. Zaobserwowano liniowy wzrost solubilizacji wraz ze wzrostem stężenia surfaktantu.Przedstawiono także wyniki wymywania oleju PAO6 ze sztucznie zaolejonego piasku (w kolumnie) z pomocą roztworów...

• Electroabsorption in triphenylamine-based hole-transporting materials for organic light-emitting diodes

  Publication

  • W. Stampor
  • W. Mróz

  - CHEMICAL PHYSICS - Year 2007

  Metodą elektroabsorpcji (EA) badano stany wzbudzenia elektronowego w próżniowo naparowanych warstwach diamin (TPD, TAPC) i dendrymeru aminowego m-MTDATA. Widma EA amin złożonych porównano z widmem monomeru trifenylaminy (TPA). Kształt widm EA świadczy o obecności zdegenerowanych i quasi-zdegenerowanych stanów elektronowych.

• Influence of COD-fractions on removal effectiveness and accumulation of organic matter in constructed wetlands

  Publication

  • A. Lang
  • H. Obarska-Pempkowiak

  - Ecohydrology & Hydrobiology - Year 2007

  W pracy wykazano, że efektywność usuwania substancji organicznej doprowadzanej w ściekach bytowo-gospodarczych do złóż hydrofitowych zależy od rodzaju frakcji substancji organicznej oraz ich stężeń. Na podstawie analizy poszczególnych frakcji ChZT (rozpuszczonych związków organicznych biologicznie łatwo- i nierozkładalnych oraz zawiesin organicznych biologicznie wolno- i nierozkładalnych) wykazano, że na akumulację substancji organicznej...

• Adsorption from aqueous solutions of chlorinated organic compounds onto activated carbons

  Publication

  • A. Bembnowska
  • R. S. Pełech
  • E. Milchert

  - Journal of Colloid and Interface Science - Year 2003

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• Organic micropollutants paracetamol and ibuprofen—toxicity, biodegradation, and genetic background of their utilization by bacteria

  Publication

  • J. Żur
  • A. Piński
  • A. Marchlewicz
  • K. Hupert-Kocurek
  • D. Wojcieszyńska
  • U. Guzik
  • A. Pinski

  - ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH - Year 2018

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• Effect of Actisil (Hydroplus™), organic supplements, and pH of the medium on the micropropagation of Vaccinium corymbosum

  Publication

  • M. Figiel-Kroczyńska
  • M. Krupa-Małkiewicz
  • I. D. Ochmian

  - Acta Scientiarum Polonorum Hortorum Cultus Hortorum Cultus - Year 2022

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