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Search results for: RECYKLING NA ZIMNO
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Technologia ciągłego i bezodpadowego recyklingu całych opon samochodowych
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Experimental Validation of the Chemical Recycling of Crystalline Silicon Solar Cells
PublicationW ostatnich latach systemy fotowoltaiczne stają się bardzo popularne na całym świecie jako korzystne dla środowiska rozwiązanie problemów energetycznych. Zagadnienie zagospodarowania zużytych elementów systemów fotowoltaicznych, których ilość w przyszłości może być znaczna, nie zostało do tej pory opracowane. Konieczne jest znalezienie optymalnej metody recyklingu i ponownego wykorzystania wycofanych z użycia elementów składowych...
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Recycling of photovoltaic modules - legal status, technology, market prospects
PublicationThe increase in the number of manufactured and installed photovoltaic modules and the growing concern about the insufficient supply of pure silicon imply the need to take action to develop infrastructure for recycling PV modules. The article presents a multifaceted analysis of the current state of development of the photovoltaic module recycling sector from a global and national perspective. The essence of the issue was introduced...
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Microwave treatment in waste rubber recycling – recent advances and limitations
PublicationEnvironmentally-friendly microwave heating is increasingly used in polymer chemistry and technology. The selectivity and highly efficiency in the heat transfer present a huge advantage in systems based on recycling, improving their productivity and economic competitiveness. In case of the industrial recycling of waste rubbers, especially end-of-life tires, microwave-induced devulcanization and pyrolysis are nowadays considered...
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Mechanical Recycling via Regrinding, Rebonding, Adhesive Pressing, and Molding
PublicationIncreasing amount of polyurethane foams waste (e.g. from the building or furniture industry) produced every year resulted in the intensive development of their recycling methods. This chapter covers most important mechanical recycling methods, i.e. regrinding, rebonding, adhesive pressing, and molding. The procedure, required equipment and chemicals (if needed) for each method were described. The possible applications of the products...
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Pilot- scale plant for material recycling of whole waste tires
PublicationContinously growing demad for all kinds of vehicles and general tendency to regular exchange of tires are causing growth of scrap tires which need management. A risings of large quantities of used rubber products, especially used tires has been increasing every year in Poland, in 2006 it was 160 thousand. The waste management and recycling of used tires become a major environmental problem. It is worth noticing that tires which...
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Recycling and Reuse Treatment Technologies for Photovoltaic Cells and Modules - a Review
PublicationŚredni czas życia modułów fotowoltaicznych wynosi obecnie ponad 25 lat. Dla Europy oczekuje się rozpoczęcia okresu końca życia modułów montowanych na skalę masową w 2040 r. - szacuje się wzrost odpadów pochodzących z modułów PV do 33 500 ton. Zagospodarowanie wycofanych z użytku elementów systemów PV może stać się problemem w związku z ciągle rosnącą produkcją modułów fotowoltaicznych. Mogą i powinny być one poddane recyklingowi,...
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Pyrolysis Process of Whole Waste Tires as a Biomass Energy Recycling
PublicationThe article is devoted to the description of material recycling of whole waste tires, including a new method of pyrolysis process, resulting in the final products: technically oil fractions (rubber plasticizer of rubber compounds) or diesel fuels (light, medium and heavy), activated carbon, gas fuel and steel scrap. Operational and performance tests of the first version of the pilot plant, consisting of three contributions cooperating...
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CURRENT TRENDS IN RECYCLING OF PHOTOVOLTAIC SOLAR CELLS AND MODULES WASTE
PublicationIn comparison to other energy producing techniques, photovoltaics (PV) is one of the most promising options: no emission of any matter into the environment during operation; extremely long operation period (estimated average: 25 years), minimum maintenance, robust technique, aesthetic aspects. The use of photovoltaics is rapidly increasing, and the respective market is developing accordingly. Although PV manufacturing equipment...
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Recycling of Photovoltaic Solar Cells and Modules - Te State - Of - Art
PublicationIn comparison to other energy producing techniques, photovoltaics (PV) is one of the most promising options: no emission of any matter into the environment during operation; extremely long operation period (estimated average: 25 years), minimum maintenance, robust technique, aesthetic aspects. The use of photovoltaics is rapidly increasing, and the respective market is developing accordingly. Although PV manufacturing equipment...
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Thermoplastic polyurethanes with glycolysate intermediates from polyurethane waste recycling
PublicationThe polyol is a major component in polyurethane formulations and therefore introducing to the formulation recycled polyol (obtained during decomposition process) allows decreasing the usage of pure petrochemical components. In this work, thermoplastic polyurethanes were prepared using various mixtures of a petrochemical macrodiol poly(ethylene-butylene adipate)diol (PEBA) and a recycled glycolysate intermediate, called glycolysate...
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Marek Pszczoła dr hab. inż.
PeopleI am a Faculty member (Department of Highway and Transportation Engineering) at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland). My main research interests include: low-temperature properties of asphalt mixtures, low temperature cracking assessment of pavement structures, road materials properties, thermal stress analysis, design of pavement structures, airfield design and analysis....
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Opracowanie procedury i badania wytrzymałościowe połączeń spawanych pomiędzy rurą kwadratowa a elementami giętymi na zimno ze stali S355 oraz testowanie połączeń o grubości 4, 6, 8mm typu S355
PublicationCelem pracy było: - opracowanie procedury badania wytrzymałości połączeń spawanych rozciąganych w kierunku prostopadłym i w kierunku równoległym (ścinanych) do osi spoiny. Spoiny te łączyły elementy rur kwadratowych o różnej grubości z elementami w kształcie ceownika giętymi na zimno. - wykonanie próbek do badań wytrzymałościowych wyciętych z elementów spawanych dostarczonych przez Zakład Produkcyjny firmy Borga obciążonych prostopadle...
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Performance evaluation of temperature effect on hot in-place recycling asphalt mixtures
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Recycling Gdańsk´s an urban spaces: the proceses supporting the identity of the city
PublicationPrzeobrażenia epoki postindustrialnej przybliżają wyobrażenie miasta inten- sywnego i zróżnicowanego. Istnieje potrzeba dostosowania istniejącej struk- tury miasta na nowych oczekiwań, poprzez uwypuklenie narracji już zapisanych w strukturze miasta, między innymi w nie docenianych obecnie układach wod- nych. Wskazano także na potencjał przetwarzania przestrzeni miasta związany z prawidłowym skonfigurowaniem przestrzennym samego...
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Recycling of Waste Rubber by Thermo-Mechanical Treatment in a Twin-Screw Extruder
PublicationRecycling of waste tires is a significant issue considering both environmental and economic aspects. One of the leading recycling routes is the shredding of tires resulting in the generation of ground tire rubber. This material can be easily introduced into various polymer matrices as a filler, reducing the use of conventionally applied petroleum-based materials. In such cases, it is essential to ensure sufficient interfacial compatibility,...
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Green Approaches in Rubber Recycling Technologies: Present Status and Future Perspective
PublicationAs a consequence of massive production and consumption of rubbers, rubber blends, and rubber composites for myriad applications, elastomeric products have enormously accumulated and become an environmental threat. The disposal and burning of rubber wastes have been banned because of environmental and economic reasons. By contrast, a great deal of attention has been directed toward strategies enabling recycling and reuse of rubbers....
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Progress in Rubber Plastics and Recycling Technology
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Ocena ekonomiczna recyklingu krzemowych ogniw fotowoltaicznych, realizowanego w skali laboratoryjnej
PublicationRecykling zużytych modułów PV umożliwia odzysk cennych i wartościowych materiałów wtórnych, które nadają się do ponownego zastosowania. Poruszane zagadnienia- ważne z punktu widzenia oszczędności energii i zmniejszania obciążenia środowiska- powinny również przyczynić się do lepszego projektowania, wykonawstwa oraz eksploatacji krzemowych modułów PV. Przeprowadzona wstępna analaiza ekonomiczna procesu recyklingu zużytych krzemowych...
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Chemical, thermal and laser processes in recycling of photovoltaic silicon solar cells and modules
PublicationIn recent years, photovoltaic power generation systems have been gaining unprecedented attention as an environmentally beneficial method to solve the energy problem. From the economic point of view the pure silicon, which can be recapture from the used cells, is the most important material due to its cost and shortage. In the paper selected methods of used or damaged module and cells recycling and experimental results are presented....
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Badanie właściwości fizykochemicznych kopolimeru EVA pod kątem recyklingu modułów fotowoltaicznych
PublicationW celu opracowania wydajnego i taniego procesu delaminowania wyeksploatowanych, uszkodzonych lub niespełniających wymagań jakościowych modułów PV przeprowadzono badania właściwości fizycznych, chemicznych i mechanicznych tego kopolimeru. Rozważono dwa sposoby usuwania warstwy EVA z ogniw PV: obejmujące procesy chemiczne oraz termiczne.
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Quantifying the effective mobilized RAP content during hot in-place recycling techniques
PublicationThe utilization of in-place recycling techniques is capable of consuming 100% reclaimed asphalt pavement (RAP). Hot in-place recycling (HIR) is one of the promising techniques to rehabilitate the pavements suffering from minor cracking issues through heat scarification, additive injecting, mechanical mixing, and compacting. However, the main concern of using 100% RAP in HIR remains as how much RAP can be activated and mobilized...
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Determining the Mechanical Properties of Solid Plates Obtained from the Recycling of Cable Waste
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BINDER COURSES USING COLD RECYCLED MIXTURES – A NOVEL CONCEPT IN COLD RECYCLING
PublicationCold recycling with cement and bituminous emulsion is one of the most environmentally friendly techniques to maximize the reuse of reclaimed asphalt (RA) collected during demolition of roads. Cold recycled mixtures are commonly used for base courses in construction or rehabilitation of flexible and semi-rigid pavements. Current experiences demonstrated that cold recycling with appropriate requirements and technical recommendations...
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Wastes from Agricultural Silage Film Recycling Line as a Potential Polymer Materials
PublicationThe recycling of plastics is currently one of the most significant industrial challenges. Due to the enormous amounts of plastic wastes generated by various industry branches, it is essential to look for potential methods for their utilization. In the presented work, we investigated the recycling potential of wastes originated from the agricultural films recycling line. Their structure and properties were analyzed, and they were...
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Rubber wastes recycling for developing advanced polymer composites: A warm handshake with sustainability
PublicationRecycling and management of rubber wastes experiences an early-stage maturity in the quest for sustainable and circular materials. Up to now, solutions proposed for sustainable development of rubber wastes are limited, so that properties and performance features of recycled products are inadequate for practical applications. Herein, an experimental protocol is introduced for manufacturing semi-sustainable polymer composites based...
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Review and evaluation of cold recycling with bitumen emulsion and cement for rehabilitation of old pavements
PublicationThe article presents Polish experience with cold recycling of asphalt pavements with theusage of bituminous emulsion and cement. In the 1990s numerous roads in Polandrequired immediate reinforcement due to their significant degradation. Implementation ofthe cold recycling technology was one of the solutions to this problem. Cold recycledmixtures containebeside the recycled asphalt pavement and aggregateetwo differenttypes of binding...
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A New Approach to Chemical Recycling of Polyamide 6.6 and Synthesis of Polyurethanes with Recovered Intermediates
PublicationA new efficient method for the chemical decomposition of polyamide 6.6 by the glycolysis and amino-glycolysis processes was proposed. The glycolysis was conducted using the mass excess of ethylene glycol (EG) as a decomposing agent in the presence of a catalyst. Also, a mixture of EG and triethylenetetramine was used as another decomposing agent in the amino- glycolysis process. The described process of decomposition did not...
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Influence of the fragment size on the recycling process of thin-film modules based on CdTe
PublicationFor several years, the production of second generation cells (the so-called thin film), produced from amorphous silicon, cadmium telluride (CdTe) or copper indium (gallium) diselenide (CI(G)S), has been increasing. The total number of end-of-life panels by 2050 is expected to reach 9.57 million tonnes. They contain heavy metals that can be leached into the environment at the land field. The EU directive on waste electrical and...
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Synthesis and characterisation of polyurethane elastomers with semi-products obtained from polyurethane recycling
PublicationIn this work polyurethane elastomers were synthesised by using different mixtures of a petrochemical and glycerolysate polyols and 4,4-diphenylmethane diisocyanate (MDI). Glycerolysate polyol was produced from polyurethane foam decomposition using crude glycerine as a decomposition agent. The structure and thermal properties of obtained semi-product were similar to the polyol used in the synthesis of original foam. Glycerolysate...
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Anna Kuczyńska-Łażewska dr inż.
PeopleAnna Kuczyńska-Łażewska graduated from the Faculty of Chemistry of the Gdańsk University of Technologyin the field of Chemistry (1st degree) and Environmental Protection Technologies, specialization: environmental protection systems (2nd degree). She completed an internship at the Leibniz-Institut für Katalyse in Rostock. She defended her doctorate in recycling of 1st and 2nd generation modules in 2018 at the Department of Energy...
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Recovery of Pure Lead-Tin Alloy from Recycling Spent Lead-Acid Batteries
PublicationSpent lead–acid batteries have become the primary raw material for global lead production. In the current lead refining process, the tin oxidizes to slag, making its recovery problematic and expensive. This paper aims to present an innovative method for the fire refining of lead, which enables the retention of tin contained in lead from recycled lead–acid batteries. The proposed method uses aluminium scrap to remove impurities...
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Chemical recycling of plastic waste as a mean to implement the circular economy model in the European Union
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Valorization of Bioplastic Waste: A Review on Effective Recycling Routes for the Most Widely Used Biopolymers
PublicationPlastics-based materials have a high carbon footprint, and their disposal is a considerable problem for the environment. Biodegradable bioplastics represent an alternative on which most countries have focused their attention to replace of conventional plastics in various sectors, among which food packaging is the most significant one. The evaluation of the optimal end-of-life process for bioplastic waste is of great importance...
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Sustainable recycling of waste polystyrene into hierarchical porous carbon nanosheets with potential applications in supercapacitors
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Recycling of Waste Rubber by the Manufacturing of Foamed Polyurethane-Based Composites—Current State and Perspectives
PublicationWorn car tires are disruptive waste, and the issue of their management is crucial for the natural environment. In many countries, the primary method of end-of-life tires utilization is energy recovery. However, more effective and beneficial for the environment is material recycling. Using them for the production of polymer-rubber composites seems to be an auspicious direction of research. Incorporation of ground tire rubber into...
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Technologie recyklingu zużytych i odpadowych modułów fotowoltaicznych I i II generacji
PublicationW związku z rosnącą produkcją modułów fotowoltaicznych i faktem, że czas życia pierwszych montowanych modułów dobiega końca w najbliższej przyszłości na wysypiskach będą zalegać duże ilości zużytych modułów fotowoltaicznych. Odzysk metali z uszkodzonych i zużytych modułów pozwoliłby na obniżenie kosztu produkcji ogniw, oraz na ograniczenie zużycia surowców. I generacja obejmuje moduły wykonane z mono- i polikrystalicznego krzemu,...
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Kluczowe zagadnienia procesu recyklingu zużytych modułów fotowoltaicznych I i II generacji
PublicationW ramach technologii fotowoltaicznych wyróżniamy obecnie trzy generacje ogniw fotowoltaicznych. Pierwsza z nich to ogniwa z mono- i polikrystalicznego krzemu (c-Si), druga obejmuje ogniwa wykonane na bazie technologii cienkowarstwowej, zarówno z krzemu amorficznego (a-Si) jak i diseleneku indowo-miedziowo-galowego (CIGS), tellurku kadmu (CdTe) oraz arsenku galu (GaAs). Trzecia generacja to najnowsze technologie, takie jak: organiczne...
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Recycling of Polyurethanes Containing Flame-Retardants and Polymer Waste Transformed into Flame-Retarded Polyurethanes
PublicationThe growing number of polyurethanes (PUs) produced every year has developed methods for their mechanical and chemical recycling which yield valuable products like substitutes for commercial polyols or flame-retardants. PUs can be produced in different shapes and forms (i.e., elastomers, flexible or rigid foams, coatings, etc.) using several different components (i.e., di- or polyisocyanates, ester- or ether-based polyols, low-molecular...
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From polymer waste to potential main industrial products: Actual state of recycling and recovering
Publicationlastics have become widely used materials in everyday life due to their special properties such as durability, easy processing, light-weight and low-cost of production. However, because of their stable and non-biodegradable nature, postconsumer plastics become an issue to the environment. The growing amounts of waste are generated, as plastic products are commonly used only once before disposal. The alternatives of practical techniques...
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Recycling of raw materials, silicon wafers and complete solar cells from photovoltaic modules
PublicationPhotovoltaic modules (PVs) are an attractive way of generating electricity in reliable and maintenance-free systems with the use of solar energy. The average lifetime of photovoltaic modules is 25 to 30 years. To offset the negative impact of photovoltaic modules on the environment, it is necessary to introduce a long-term strategy that includes a complete lifecycle of all system components from the production phase through installation...
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Cyclic voltammetry curves of the V2O5 nanorods (Na-ion batteries)
Open Research DataThe DataSet contains the next thirty cycles voltammetry curves for the V2O5 nanorods obtained by the sol-gel method. The cyclic voltammetry was measured using the AUTOLAB 302N potentiostat-galvanostat. The measurements were carried out in a voltage range of 2 V to 4 V vs. Na/Na+ at a scan rate of 1 mV/s. As an electrolyte 1M NaPF6 was applied.
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Cyclic voltammetry curves of the V2O5 nanocrystals (Na-ion batteries)
Open Research DataThe DataSet contains the next thirty cycles voltammetry curves for the V2O5 nanocrystals obtained by the sol-gel method. The cyclic voltammetry was measured using the AUTOLAB 302N potentiostat-galvanostat. The measurements were carried out in a voltage range of 2 V to 4 V vs. Na/Na+ at a scan rate of 1 mV/s. As an electrolyte 1M NaPF6 was applied.
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International Journal of Recycling of Organic Waste in Agriculture
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Piotr Jaskuła dr hab. inż.
PeopleI am a Faculty member (Associate Professor, Highway and Transportation Research Department) at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland).My main research interests include: pavement structures, interlayer bonding, pavement materials, recycling of road pavements, asphalt mixtures, bitumens, construction and maintenance of pavement structures.My lectures at the University include:...
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Recovery of Valuable Materials and Methods for Their Management When Recycling Thin-Film CdTe Photovoltaic Modules
PublicationDue to the development of new photovoltaic technologies, there is a need to research new recycling methods for these new materials. The recovery of metals from photovoltaic (PV) modules would reduce the consumption of raw materials. Therefore, the development of recycling technologies for used and damaged modules of newer generations is important for environmental reasons. The aim of the research is to shed light on the nature...
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The influence of different glycerine purities on chemical recycling process of polyurethane waste and resulting semi‐products
PublicationChemical recycling is the most favourable recycling method due to the possibility of polyol recovery. This work is dedicatedto the utilisation of crude glycerine and polyurethane waste. It aims at determining the impact of the use of glycerine fromthe production of biodiesel with various degrees of purity as a cleavage agent on the decomposition process of polyurethanefoam. The influence of glycerine purit y on the chemical structure...
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Odzysk materiałów w procesach chemicznych recyklingu modułów fotowoltaicznych I i II generacji
PublicationWraz ze wzrostem zainteresowania technologią fotowoltaiczną pojawił się problem zagospodarowania odpadów powstałych podczas produkcji i użytkowania oraz pod koniec życia modułu. Technologie recyklingu tego typu odpadów powinny być zgodne z obecnie obowiązującym prawem oraz dostosowane do technologii produkcji przerabianego modułu. Dlatego też tak ważne są badania nad doskonaleniem i opracowywaniem nowych technologii recyklingu....
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Cycling performances of the V2O5 nanostructures as cathode material in Na-ion batteries
Open Research DataThe DataSet contains the next one hundred galvanostatic charge/discharge curves of the V2O5 nanostructures with different morphology obtained by the sol-gel method. The battery tests of the samples were performed using the Atlas-Sollich 0961 (Atlas-Sollich, Poland) with C/5 current densities in the voltage range between 2.0 V and 4.0 V vs. Li/Li+. Here...
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Documentatieblad voor de nederlandse kerkgeschiedenis na 1800
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