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Wyświetlanie 1-10 z 35
Tytuł:
Production of compound mineral fertilizers as a method of utilization of waste products in chemical company Alwernia S.A.
Autorzy:
Malinowski, P.
Olech, M.
Sas, J.
Wantuch, W.
Biskupsk, A.
Urbańczyk, L.
Borowik, M.
Kotowicz, J.
Tematy:
nawóz
nawóz wieloskładnikowy
produkt odpadowy
produkt uboczny
fertilizer
compound fertilizer
waste product
by-product
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Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Powiązania:
https://bibliotekanauki.pl/articles/779328.pdf  Link otwiera się w nowym oknie
Opis:
The results of investigations on a possible utilization of waste products formed during the production of commercial and food inorganic salts are presented. Application of wastes in the production of compound fertilizers was suggested. The work covered a full research cycle starting from laboratory tests and ending on the production implementation. Fertilizer formulas were developed on the basis of laboratory tests. A possible production of fertilizers of suggested compositions was tested on a pilot plant scale. The compound fertilizer production with the use of waste raw materials was implemented in Chemical Company Alwernia S.A. It reduced the amount of wastes directed to industrial waste site.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Life Cycle Assessment and Quality of Utilization of Paint Waste as a Raw Material of Paving Block
Autorzy:
Citra, Ari Dina Permana
Purwanto, Purwanto
Soenoko, Henna Rya
Tematy:
life cycle assessment
waste management
paint waste
waste to product
paving block
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Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Powiązania:
https://bibliotekanauki.pl/articles/124338.pdf  Link otwiera się w nowym oknie
Opis:
The paint waste from the cosmetics packaging industry was sent to the third party for disposal by paying several management fees for hazardous waste. The use of paint waste as raw material for paving block products can reduce the environmental impacts and provide economic benefits. The life cycle assessment is a tool for measuring the environmental impact of this utilization compared to the management carried out by the third party. There are four scenarios reviewed that consist of third-party management, utilization as raw materials for paving block by the concentration of 1, 2, 3, 4 and 5% respectively. The analysis shows that the utilization of dry paint waste as a raw material for a paving block can reduce the impact of global warming and photo oxidant. The compressive strength value of paving blocks increased with the addition of the dry paint waste with the concentration of 1 and 2%, then a slight decrease in proportion occurred with the addition of paint waste concentration up to 5%. The addition of dry paint waste does not affect the water absorption with a range of 2%, meeting the standard for a paving block.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Production of copper powder from electrolysis waste products
Poluchenie mednogo poroshka iz otkhodov ehlektroliticheskogo proizvodstva
Autorzy:
Ryabicheva, L.
Nikitin, Y.
Belyanskaya, I.
Tematy:
electrolytic copper
copper powder
chemical property
physical property
technological property
ultrasonic dispersion
waste product
hydrostatic pressure
electrolysis
production
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Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Powiązania:
https://bibliotekanauki.pl/articles/792872.pdf  Link otwiera się w nowym oknie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decyzje wydawane w ramach gospodarki odpadami
Decisions in Waste Management
Autorzy:
Szewczyk, Magdalena
Opis:
In my bachelor's thesis, I described types of decisions and permits required in waste management. The thesis was divided into three chapters. The first chapter is focused on defining the waste regulations system and shows the principles of waste management. The next chapter defines the concept of waste and by-product. Then, I described the classification of wastes and the responsibilities of entities involved in waste management. In the final chapter, I outlined the methods of waste handling. The thesis includes permits for waste generation, permits for waste collection and processing, as well as procedures for waste storage and disposal.
W mojej pracy licencjackiej opisałam rodzaje decyzji oraz pozwoleń wydawanych w ramach gospodarki odpadami. Praca została podzielona na trzy rozdziały. W pierwszym z nich skupiłam się na określeniu systemu przepisów o odpadach oraz przytoczyłam najważniejsze zasady postępowania z nimi. W kolejnym rozdziale zdefiniowałam pojęcie odpadu oraz produktu ubocznego. Następnie opisałam sposób klasyfikacji odpadów oraz jakie obowiązki ciążą na podmiotach biorących udział w gospodarowaniu nimi. W ostatnim rozdziale nakreśliłam sposoby postępowania z odpadami. W pracy zawarłam pozwolenia na wytwarzanie odpadów, zezwolenia na zbieranie i przetwarzanie odpadów oraz sposoby postępowania w przypadku magazynowania oraz składowania odpadów.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Food Waste – Challenges and Approaches for New Devices
Autorzy:
Maxianová, Alžbeta
Jakimiuk, Aleksandra
Vaverková, Magdalena Daria
Tematy:
food waste disposal
waste destructor
end product
soil amendment
waste circulation
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Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Powiązania:
https://bibliotekanauki.pl/articles/1839171.pdf  Link otwiera się w nowym oknie
Opis:
Food waste has recently received attention due to its environmental, economic and social impacts. Final processing of food waste encounters a number of technical challenges, arising from weak physical structure of food waste with weak porosity, high content of water, and low carbon-to-nitrogen relation. This study deals with the research of food waste processing in households by using an automatic device. The main objective of the study was to assess the toxicity of the end-product produced by an automatic device. The research included 10 experiments. The input foundation consisted of common food waste generated in household kitchens. Following its processing, the end-product was tested in a pot experiment for the germination capacity and biomass increase in different concentrations. The end-product was mixed with the reference soil in concentrations 5/95, 30/70, 50/50 (tested/reference substrate). The testing included three different plant species, i.e. Sinapis alba L., Hordeum vulgare L. and Cannabis sativa L. The germination capacity of plants and their increase in biomass were evaluated after 21 days. The increase in biomass was monitored by using the Before-After-Control-Impact method. The plants developed much better without the end-product additive to the soil substrate than with its small addition. The best germination capacity in the case of end-product addition was observed in the concentration ratio 30/70 in all plants. In spite of this, the highest increase in biomass was recorded in the concentration ratio 5/95. This might have caused the occurrence of mould in the pots. The test shows that the end-product made of food waste is toxic to plants; therefore, it is not recommended for direct application as a soil amendment.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zasada rozszerzonej odpowiedzialności producenta w prawie gospodarki odpadami
A principle of extended producer’s responsibility in the law of waste management
Autorzy:
Korzeniowski, Piotr
Tematy:
waste management
producer
responsibility
product
environment protection
Pokaż więcej
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Powiązania:
https://bibliotekanauki.pl/articles/964874.pdf  Link otwiera się w nowym oknie
Opis:
A principle of extended producer’s responsibility in the law of waste management pursues the following aims of the waste management: 1) the maximum decrease in the amount of waste in any type of business and human existence, 2) the immediate reuse of production waste in a manufacturing process, 3) recovery of raw materials from collected waste, 4) application of processes to dispose of waste, 5) orderly waste storage ensuring the least damage to the environment. The overriding objective of this principle is application of legal instruments encouraging producers to undertake activities which will: prevent production of waste, decrease the level of using materials and energy at every stage of a product life cycle and encourage to introduce changes in the phase of a product design and during its manufacture. Broadly speaking, a principle of extended producer’s responsibility is connected with a producer’s financial liability for a product. In a legal structure of the extended producer’s responsibility we deal with preventive liability. This principle completes a principle of incurring costs of waste management.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Utilization of waste gypsum in fertilizer production
Autorzy:
Malinowski, P.
Borowik, M.
Wantuch, W.
Urbańczyk, L.
Dawidowicz, M.
Biskupski, A.
Tematy:
fertilizer
adduct
gypsum
waste
by-product
magnesium sulphate
Pokaż więcej
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Powiązania:
https://bibliotekanauki.pl/articles/779089.pdf  Link otwiera się w nowym oknie
Opis:
The results of the study regarding utilization of the waste gypsum formed as a by-product during the production of the magnesium sulphate from dolomite have been presented. The use of this waste have been proposed for the production of granulated multi-component fertilizers containing 25% N; 8% S; 14% CaO and 3.5% MgO. In the process of fertilizer production, the urea which will be bounded with the calcium and magnesium sulphate from the waste in the form of adducts of CaSO4 . 4CO(NH2)2 and MgSO4 . CO(NH2)2 . 3H2O will be the source of nitrogen in the fertilizer. It has been stated on the basis of the laboratory tests that the fertilizer with the assumed composition can be obtained by means of granulation of the raw material pulp, along with the dried and ground product return. The possibility of the production of the fertilizer with good physical properties according to the assumed concept has been confirmed in the pilot scale.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modular-based multifunctional product design made from furniture waste toward the circular economy: case in Indonesia
Autorzy:
Sari, Diana Puspita
Hartini, Sri
Azzahra, Faradhina
Arsiwi, Pramudi
Prayoga, Riswanda G.
Tematy:
circular economy
furniture industry
modularity
product design
waste
Pokaż więcej
Wydawca:
STE GROUP
Powiązania:
https://bibliotekanauki.pl/articles/59115680.pdf  Link otwiera się w nowym oknie
Opis:
The furniture industry is one of the industrial sectors that has a potential market in Indonesia. This industry requires a lot of wood raw materials but is faced with a wood legality verification system that limits raw materials. Industrial players still need to start using waste as raw materials, which will reduce the use of primary raw materials. The circular economy concept can be applied to waste treatment. This study aims to design a pump-gallon product made from waste, considering the relatively high level of gallon container consumption. With this design, it is hoped to utilize waste into economically valuable products while reducing the environmental impact it causes. The product design process uses an integrated QFD-TRIZ method combined with circular economy principles. QFD functions to determine consumer desires and make technical responses, while TRIZ resolves contradictions in technical responses. The circular economy attribute is used as a reference in making gallon pump products from wood waste. After the design process is complete, it is followed by an economic feasibility analysis using the cost-benefit ratio. The result of this research is the design of multifunctional and modular products for gallon pumps. The gallon storage is designed to store not only gallons but also a small table for placing dirty glass and a drawer at the bottom that can be used to keep the glass or other items. There is a detachable system between the upper and lower components, making it easier to repair and use. At the bottom, they mounted castor wheels to facilitate product movement. Designing products made from waste will increase the income of furniture SMEs. In addition, it is expected that this will overcome waste management problems and shortages of raw materials experienced by furniture SMEs. Future research can utilize powder and smaller pieces of wood.
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 35

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