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Wyniki wyszukiwania dla: wastwater treatment plant
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Therapeutic targeting of cathepsin C: from pathophysiology to treatment
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Investigation of biological and photochemical treatment of municipal landfill leachates
PublikacjaW pracy przedstawiono rezultaty badań charakterystyki oraz efektywności foto- oraz biodegradacji odcieków z dwóch składowisk komunalnych w północnej Polsce. Celem pracy było zbadanie efektywności oczyszczania w systemie UV, UV/H2O2 oraz możliwości biologicznego oczyszczania odcieków metodą osadu czynnego. Stosowanie metody kombinowanej (UV/H2O2/osad czynny) pozwoliło na uzyskanie lepszej efektywności oczyszczania (98% spadek wartości...
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New laser-enhanced surface treatment of Ti bioalloy
PublikacjaPrzedstawiono wyniki badan mikrostruktury i korozji w roztworze Ringera stopu Ti6Al4V, który był poddawany nadtapianiu laserem CO2 w powietrzu, wodzie i ciekłym azocie. Stwierdzono znaczący wpływ warunków obróbki na mikrostrukturę, mikrotwardość i głębokość zmodyfikowanej warstwy wierzchniej.
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Model predictive controller for integrated wastewater treatment systems.
PublikacjaSterowanie optymalizujace systemem oczyszczania ścieków (WWTS) pozwala na zmniejszenie kosztów operacyjnych przy jednoczesnym spełnieniu narzuconych ograniczeń na wypływające ścieki, jednak wymaga zaawansowanych technologii sterowania. Sterowanie predykcyjne z modelem (MPC) jest bardzo użyteczną technologią sterowania takimi systemami. MPC doskonale radzi sobie z obecnością ogrniczeń na wielkości wyjściowe, wielowymiarowością problemu...
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Laser surface treatment of aluminium alloys at cryogenic conditions.
PublikacjaPrzedstawiono nową metodę obróbki laserowej powierzchni stopów aluminium w warunkach kriogenicznych. W wyniku tej obróbki w warstwie wierzchniej stopów przeznaczonych na tłoki silników spalinowych uzyskano znaczące podwyższenie twardości, odporności na zużycie ścierne oraz wzrost właściwości korozyjnych.
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Microwave heat treatment application to pasteurization of human milk
PublikacjaA prototype of microwave pasteurizer has been proposed as an alternative for holder pasteurization (HP) routinely used in Human Milk Bank (HMB), ensuring microbiological safety of human milk (HM). It was shown that the time of heat generation was about 15–16 min shorter by applying the microwave than in HP. Total inactivation of heat-sensitive bacteria Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Staphylococcus...
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The Quality of the Outflow from Conventional WWTPs and Treatment Wetlands
PublikacjaUntil recently the humic substances were considered to have no negative impact on human health. Therefore elimination of these substances from potable water was only performed due to aesthetic reasons. In the recent years, however, it was found out that humic substances may cause unacceptable smell of water or cumulate toxic substances by complexing metal ions and adsorption of persistent organic pollutants such as pesticides,...
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Cullet As Filter Medium For Swimming Pool Water Treatment
PublikacjaKontrola jakości wody w basenach kąpielowych może być prowadzona poprzez oczyszczanie wody z uwzględnieniem filtracji i dodawaniemśrodków dezynfekcyjnych. Zanieczyszczenia wody nie zawsze mogą byćskutecznie usuwane przy stosowaniu konwencjonalnych metod uzdatnianiawody. W doświadczeniu zbadano osady powstałe na złożu piaskowym,stwierdzono nieefektywną pracę filtrów piaskowych. Porównano dwazłoża filtracyjne: piasek kwarcowy i...
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Photocatalytic treatment of wastewater generated on small and medium vessels
PublikacjaW związku z uregulowaniami prawnymi zabronione jest wprowadzanie ścieków szarych z ze statków bezpośrednio do wód morskich. Zanieczyszczenia znajdujące się w tych ściekach muszą być usunięte przed ostatecznym zdeponowaniem. Pozwala na to zastosowanie oczyszczania fotokatalitycznego oraz fotokatalizatorów aktywowanych promieniowaniem z zakresu widzialnego. W artykule przedstawiono pływającą jednostkę badawczą wyposażoną w system...
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The operation of a small wastewater treatment facilities in a scattered settlement
PublikacjaProblem oczyszczania ścieków bytowych na obszarach niezurbanizowanych należy uznać za aktualny i wymagający rozwiązania w najbliższych latach. W pracy porównano wyniki uzyskane podczas eksploatacji urządzeń (złóż biologicznych z wypełnieniem z tworzyw sztucznych) z pracą obiektów hydrofitowych. Podejmowa-ne działania potwierdzają, że zarówno konstrukcje konwencjonalnych urządzeń me-chanicznych oraz nowe konfiguracje systemów hydrofitowych...
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Surface treatment of porous Ti13Nb13Zr alloy for biomedical applications
PublikacjaPrzeprowadzono badania materiału porowatego, przeznaczonego na implanty ortopedyczne, wytworzonego metodą metalurgii proszków ze stopu Ti13Nb13Zr. Proszki z badanego stopu uzyskano metodą rozpylania plazmowego. Otrzymano próbki o otwartej porowatej strukturze, stopniu porowatości do 68% i średniej wielkości porów w przedziale 30-150 mikrometrów. Obróbka próbek porowatych - utlenianie termiczne, chemiczne i/lub elektrochemiczne...
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Pre-Treatment of Furniture Waste for Smokeless Charcoal Production
PublikacjaThe aim of this study was to assess the possibility of using furniture waste for smokeless fuel production using the pyrolysis process. Four types of wood-based wastes were used in the pyrolysis process: pine sawdust (PS), chipboard (CB), medium-density fiberboard (MDF), and oriented strand board (OSB). Additionally, the slow and fast types of pyrolysis were compared, where the heating rates were 15 C/min and 100 C/min, respectively....
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Application of the Anammox Process for Treatment of Liquid Phase Digestate
PublikacjaThe liquid phase of the digestate (LPD) contains a relatively high concentration of nitrogen, with total ammonium nitrogen being the dominant form of nitrogen, as well as other essential nutrients such as phosphorus and potassium. Consequently, it must be treated before it is released into the environment. However, there are no reports of co-purification of LPD in the anammox process in sequencing batch reactor with granular sludge,...
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On the Application of Magnetoacoustic Emission for a Nondestructive Assessment of the Post Welding Heat Treatment of High Chromium Steel Weld Seams
PublikacjaThe paper analyses the possibility of post weld heat treatment (PWHT) quality assessment with the help of magnetoacoustic emission (MAE) signal measurements. Two welded superheater tubes, made of high chromium VM12 steel, were analysed—as welded and heat treated one. The analysed sample in the as welded state exhibited significantly higher hardness, accompanied by a big difference in the MAE signal intensity (of order of about...
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Impact of Cultivation Conditions, Ethylene Treatment, and Postharvest Storage on Selected Quality and Bioactivity Parameters of Kiwifruit “Hayward” Evaluated by Analytical and Chemometric Methods
PublikacjaOrganic, semiorganic, and conventional “Hayward” kiwifruits, treated with ethylene for 24 h and stored during 10 days, were assessed by UV spectrometry, fluorometry, and chemometrical analysis for changes in selected characteristics of quality (firmness, dry matter and soluble solid contents, pH, and acidity) and bioactivity (concentration of polyphenols via Folin-Ciocalteu and p-hydroxybenzoic acid assays). All of the monitored...
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Enhancing the bioconversion rate and end products of black soldier fly (BSF) treatment – A comprehensive review
PublikacjaFood security remains a pressing concern in the face of an increasing world population and environmental challenges. As climate change, biodiversity loss, and water scarcity continue to impact agricultural productivity, traditional livestock farming faces limitations in meeting the growing global demand for meat and dairy products. In this context, black soldier fly larvae (BSFL) have emerged as a promising alternative for sustainable...
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Cathodic Protection System of the Spiral Classifier at the KGHM Polska Miedź S.A. Ore Concentration Plant—Case Study of Commissioning and Control of Operating Parameters
PublikacjaThe project involved designing, constructing and commissioning a cathodic protection system for a selected spiral classifier operating at the KGHM Polska Miedź S.A. Ore Concentration Plant (O/ZWR). The authors developed a concept and assumptions regarding the corrosion protection of a large industrial device using a cathodic protection system with an external power source. Pre-project studies included conducting a trial polarization...
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Sequential treatment of landfill leachate by electrocoagulation/aeration, PMS/ZVI/UV and electro-Fenton: Performance, biodegradability and toxicity studies
PublikacjaThis study presents a systematic study on sequential treatment of highly resistant landfill leachate by electrocoagulation (EC)/aeration, sulfate radical advanced oxidation process (SR-AOP) and electro-Fenton (EF). In case of SR-AOP, peroxymonosulfate (PMS) catalyzed by zero valent iron (ZVI) and ultraviolet irradiation (UV) system was developed. Treatment process was optimized in respect to COD removal. Analysis of results revealed...
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Efficiency of landfill leachate treatment in a MBR/UF system combined with NF, with a special focus on phthalates and bisphenol A removal
PublikacjaIn this study, a pilot-scale membrane bioreactor (MBR) was operated at a municipal solid waste plant (MSWP) to treat a mixture of landfill leachates (LLs) obtained from modern (MP-LLs) and previous (PP-LLs) waste cells. The MBR unit combined anoxic and aerobic zones with external ultra- and nanofiltration (MBR/UF and MBR/UF/NF, respectively). In addition to the removal of macropollutants, special attention was given to phthalates...
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Badania nad doborem najkorzystniejszego składu eluentu do rozdzielenia metabolitów wtórnych z grupy naftochinonów i flawonoidów z zastosowaniem chromatografii planarnej w normalnym i odwróconym układzie faz = A research on the composition of the eluent for separation of plant metabolities by reversed phase planar chromatography
PublikacjaIn the paper the results of separation of plant extracts by RP-TLC with different composition of the eluents are presented. Analysis of retention data allowed to select components of the eluent with favorable retention parameters, which can be used in the future for separation of this type of plant extracts by column liquid chromatography techniques.
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Integrating conventional nitrogen removal with anammox in wastewater treatment systems: Microbial metabolism, sustainability and challenges
PublikacjaThe various forms of nitrogen (N), including ammonium (NH4+), nitrite (NO2−), and nitrate (NO3−), present in wastewaters can create critical biotic stress and can lead to hazardous phenomena that cause imbalances in biological diversity. Thus, biological nitrogen removal (BNR) from wastewaters is considered to be imperatively urgent. Therefore, anammox-based systems, i.e. partial nitrification and anaerobic ammonium oxidation (PN/anammox)...
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Synergistic effects of a swirl generator and MXene/ water nanofluids used in a heat exchanger pipe of a negative CO2 emission gas power plant
Publikacjafocus on optimizing heat exchangers contributes to improved temperature control mechanisms, ensuring the sustainable operation of innovative power plants working towards negative CO2 emissions. In the realm of oxy-combustion within Negative CO2 Emission Power Plants (nCO2PP), the temperature of combustion products surpasses 3000 (K). Addressing this challenge, the imperative arises to reduce these elevated temperatures to a manageable...
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Permeability of the small intestinal mucus for physiologically relevant studies: Impact of mucus location and ex vivo treatment
PublikacjaThe small intestinal mucus is a complex colloidal system that coats the intestinal mucosa. It allows passage on nutrients/pharmaceuticals from the gut lumen towards the epithelium, whilst preventing it from direct contact with luminal microorganisms. Mucus collected from intestinal tissue is often used in studies looking at inter-mucosal transport of food particulates, drug carriers, etc. However, detaching the highly hydrated...
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Linking the diversity of native flora to land cover heterogeneity and plant invasions in a river valley
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Multispecies invasion reduces the negative impact of single alien plant species on native flora
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Pipeline system for heat transportation from nuclear power plant — An optimizing approach
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Novel Drying Methods for Sustainable Upcycling of Brewers’ Spent Grains as a Plant Protein Source
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Plant Tolerance to Drought Stress in the Presence of Supporting Bacteria and Fungi: An Efficient Strategy in Horticulture
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Invasive giant hogweeds in Poland: Risk of burns among forestry workers and plant distribution
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Dysphania schraderiana (Schult.) Mosyakin & Clemants – An overlooked medicinal and ritual plant used in Poland
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In vitro antioxidant, anti-inflammatory activities and acetylcholinesterase inhibition properties of selected plant extracts
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The enhancement of anti-staphylococcal potential of plant derived naphthoquinones as a result of combination with silver nanoparticles
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Life Cycle Analysis of Ecological Impacts of an Offshore and a Land-Based Wind Power Plant
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Toward Enhanced Plant Immunity: Unveiling the Role of Brassinosteroids in Abiotic and Biotic Stress Response
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Ecological and Economic Aspects of the Application of Sewage Sludge in Energetic Plant Plantations - A Swot Analysis
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Bacterial ACC Deaminase Activity in Promoting Plant Growth on Areas Contaminated with Heavy Metals
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The influence of plant extracts on root biostimulation in different strawberry (Fragaria × ananassa Duchense) cultivars
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Complementary studies of residual stress distribution of repaired power plant steam turbine casing
PublikacjaRozkład i poziom naprężeń własnych w korpusach turbin badano za pomocą efektu Barkhausena oraz metodą nawiercania otworów. Badano również twardość. Korpusy były reperowane metodą zaspawania. Wykazano, iż zastosowana technologia nie wprowadza naprężeń o poziomie zagrażającym dalszej ekploatacji korpusu.
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Application of Electronic Nose to Ambient Air Quality Evaluation With Respect to Odour Nuisance in Vicinity of Municipal Landfills and Sewage Treatment
PublikacjaThis chapter contains information about application of the electronic nose type instruments to evaluation of ambient air odour quality connected with such sectors of human activity as municipal landfills or sewage treatment plants. The authors present potential sources of emission from these sectors, characterize the chemical compounds responsible for presence of unpleasant odours, describe the influence of those compounds on human...
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Treatment of Odontogenic Maxillary Sinusitis with the Use of Growth Factors in Advanced Platelet-Rich Fibrin for Immediate Closure of Oro-Antral Communication: A Case Report
PublikacjaChronic odontogenic maxillary sinusitis (COMS), a prolonged inflammation of the maxillary sinus lasting over 12 weeks, is often a result of periapical lesions, marginal periodontitis, and complications like oro-antral communication (OAC) and fistula (OAF). OAC, commonly emerging post-teeth extraction in the lateral maxilla, lacks documented treatments using advanced platelet-rich fibrin (A-PRF). This study evaluates A-PRF’s efficacy...
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The BDD electrodes wettability modification by anodic polarization treatment
Dane BadawczeThe dataset contains the raw images, photographs obtained for the contact angle measurement at the surface of the boron-doped diamond (BDD) electrode. The measurements were carried out on after potentiodynamic polarization procedure, at various anodic polarization scan range (no polarization - HTBDD; 1.0 V; 1.4 V; 1.9 V; 2.5 V vs Ag|AgCl, scan rate...
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A nontargeted approach to determine the authenticity of Ginkgo biloba L. plant materials and dried leaf extracts by liquid chromatography-high-resolution mass spectrometry (LC-HRMS) and chemometrics
PublikacjaThe lack of stringent regulations regarding raw materials for herbal supplements used for medicinal purposes has been a constant challenge in the industry. Ginkgo biloba L. leaf extracts attract consumers because of the supposed positive effect on mental performance and memory. Supplements are produced using dried leaf materials and standardized leaf extracts such as EGb 761. Adulteration of Ginkgo biloba L. plants and extracts...
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Recommendations of the Polish Psychiatric Association for treatment of affective disorders in women of childbearing age. Part III: Approach to pregnancy loss and unsuccessful in vitro treatment of infertility
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Plant-based meat substitute analysis using microextraction with deep eutectic solvent followed by LC-MS/MS to determine acrylamide, 5-hydroxymethylfurfural and furaneol
PublikacjaFor the analysis of plant-based meat substitutes and the determination of Maillard reaction products such as acrylamide, 5-hydroxymethylfurfural and furaneol, a novel and effective procedure based on hydrophobic natural deep eutectic solvent and liquid chromatography coupled with tandem mass spectrometry was developed for the first time. The 49 compositions of the deep eutectic solvents were designed and screened to select the...
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Influence of the boron doping level on the electrochemical oxidation of raw landfill leachates: advanced pre-treatment prior to the biological nitrogen removal
PublikacjaThe electrochemical oxidative treatment of landfill leachates (LLs) containing high amounts of ammonia nitrogen and organic matter was used as a promising method, prior to biological processes, to achieve the final effluent quality that would be acceptable by current regulations. The deposited boron-doped diamond electrodes (BDDs) with different boron doping concentrations (10000, 5000 and 500 ppm of B) were applied as anodes....
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Application of Vertical Reed Beds as a Buffer for Effluent from SBR ANAMMOX Treatment for Reject Water from Centrifugation
PublikacjaThe main purpose of this study is to determine the removal efficiency of nitrogen compounds in the effluentfrom ANAMMOX process used to treat reject water after centrifugation. A pilot model was bulit consisting of fourdifferent Treatment Wetlands beds with different filter substrate and with or without macrophytes growth. Verticalsubsurface flow type filters have been choosen thanks to their highest efficiency in NH4-N removal...
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Burning mouth syndrome: epidemiology, diagnosis and modern treatment standards.
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Calophyllum inophyllum in vaginitis treatment: Stimulated by electroporation with an in vitro approach
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Microstructural aspects of corrosion of the SUPERSTON alloy after laser treatment
PublikacjaW artykule przedstawiono rezultaty obróbki laserowej stopu SUPERSTON w warunkach kriogenicznych i jej wpływ na mikrostrukturę i odporność korozyjną. Badania korozyjne zostały zrealizowane metodą potencjostatyczną w 3% NaCl, odporność korozyjna stopu zmieniała się wraz ze zmianą parametrów nadtapiania laserowego.
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Aluminium surface treatment with ceramic phases using diode laser
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