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    Wyświetlanie 1-13 z 13
    Tytuł:
    Presence of microorganisms at various stages of poultry wastes management. Part I. Keratinolytic microorganisms
    Autorzy:
    Wrońska, I.
    Cybulska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/123517.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    microorganisms
    keratin
    poultry waste
    composting
    Opis:
    Poultry waste management is a difficult and arduous process. This requires a number of steps of processing the organic substances included in the waste mass from poultry industry. These wastes, due to the high content of keratin, are hardly degradable. One of the possibilities of their decomposition is the use of highly-active microorganisms. The aim of the study was to determine the presence of keratinolytic microorganisms at the selected stages of poultry waste management. The research material consisted of slime originating from liquid waste reservoir, biological sludge, and proper compost. Analyses were performed on mineral substrates containing keratin as the only carbon source. Based on the study, the presence of keratinolytic microorganisms was found in all materials. The slime was the most numerously inhabited waste, while proper compost the least. Predominant group of microorganisms, regardless of the tested material type, was composed of bacteria.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 5; 43-48
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Factors Influencing Composting Poultry Waste
    Autorzy:
    Kopeć, M.
    Chmiel, M.
    Gondek, K.
    Mierzwa-Hersztek, M.
    Antonkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/124483.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    poultry waste
    cellulose
    yeast
    compost
    biological activity
    Opis:
    Organic recycling of waste, taking into account sanitary safety, should be a fundamental method for recovering the nutrients present in the waste for plants and organic matter. It also refers to byproducts of animal origin, which are not intended for con-sumption by humans. In the present research , composting of hydrated poultry slaugh-terhouse waste with maize straw was carried out. A combination with fodder yeast and post-cellulose lime was also introduced, which modified chemical and physico chemical properties of the mixtures. The experiment was carried out by recording the biomass temperature for 110 days in 1.2×1.0×0.8 m reactors with perforated bottoms enabling active aeration. The following parameters were taken into consideration in the composted material: carbon, nitrogen, sulfur, respiratory activity, microorganisms, fractions of compost obtained after washing on sieves. Small amounts of fodder yeast favoured the development of microorganisms and caused a sanitary risk in the final product. At the initial stage, the temperature of raw compost in that object was several degrees lower than in the case of the composted mass without yeast addition. The addition of post-cellulose lime at ratios 6.5:1:6.5 (maize straw: poultry slaughterhouse waste: post-cellulose lime) caused a change in the time of microbiological activity, and led to its inhibition in the final process. In comparison to objects with poultry waste, the highest degree of hygienization was found in the compost with post-cellulose lime (with pH close to neutral). By adjusting the ratios of substrates we can influence the microbiological activity, but the amounts of individual substrates should be determined taking into account the quality of the obtained compost.
    Źródło:
    Journal of Ecological Engineering; 2015, 16, 5; 93-100
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microbiological air rating in a variety of objects during treatment of the post-slaughter poultry wastes Part I. Escherichia coli
    Autorzy:
    Oraibi, S. M.
    Cybulska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/125448.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    E.coli
    air
    poultry waste facilities
    composting
    Opis:
    The presence of Escherichia coli in the air of facilities involved in management and composting of post-slaughter poultry wastes in selected plants of West Western Pomerania region was studied. Measurements were made on four dates in a variety of weather conditions during the year. The study was conducted at 5 objects that differ in the type of waste and the degree of preparation for composting. These were: chemical treatment and preliminary processing plant, liquid wastes reservoir, platform for preparation of materials for composting, storage of biological sediments, and composting facility. Measurement of bacteria count was carried out in accordance with the applicable procedures on selective chromogenic TBX medium. The assays revealed the presence of E. coli at all test objects, but not always on all measurement dates. It has been shown that the presence of E. coli was from 20 to 3047 CFUm-3 of air, although the largest quantities were most frequently detected in the air of the building for post-slaughter waste pre-treatment in chemical treatment plant.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 5; 17-21
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methane fermentation of poultry slaughterhouse waste
    Autorzy:
    Wymysłowski, M.
    Łuczak, M.
    Zawadzka, A.
    Imbierowicz, M.
    Chacuk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/779316.pdf
    Data publikacji:
    2010
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    fermentacja metanowa
    odpady drobiowe
    termohydroliza
    methane fermentation
    poultry waste
    thermohydrolysis
    Opis:
    One of the alternative methods for the treatment of animal by-products is their utilization in biological processes with a simultaneous production of energy-rich biogas. The results of the investigations of methane fermentation of animal waste are discussed in the study. The methane fermentation was carried out at 35°C. The substrates used in the experiments included poultry heads and muscle tissue. Furthermore, the fermentation residues subjected previously to hydrothermal processing were used as a substrate. The suspension of those substrates in the initial concentration range from 1 g TOC/dm3 to 11 g TOC/dm3 was used in the process. Additionally, the effect of the preliminary stage of hydrothermal substrate processing on methane fermentation efficiency was assessed. Poultry waste was subjected to thermohydrolysis at the temperature from 100°C to 300°C and pressure up to 9.0 MPa. The efficiency of the methane fermentation was estimated on the basis of biogas generated in the process. The biogas production was between 0.17 Ndm3/g TOC and 1.53 Ndm3/g TOC. In the case of poultry heads, a beneficial impact of hydrothermal processing at the temperatures from 100°C to 175°C was confirmed. For poultry meat the preliminary thermohydrolysis brought about a decrease of methane fraction in the biogas evolved. The preliminary hydrothermal processing made it possible to meet the requirements of legal regulations for the hygienization of by-products of animal origin. The obtained results allowed us to identify conditions under which the methane fermentation was carried out and which ensured a high level of methanization.
    Źródło:
    Polish Journal of Chemical Technology; 2010, 12, 3; 15-18
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Possibility of Functioning Biogas Plant at a Poultry Farm
    Autorzy:
    Janczak, Damian
    Mazurkiewicz, Jakub
    Czekała, Wojciech
    Myszura, Magdalena
    Kozłowski, Kamil
    Jeżowska, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/125450.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    poultry waste
    biogas
    renewable energy
    environmental protection
    sustainable development
    animal production
    Opis:
    The biogas production constitutes one of renewable energy sources (RES) . In addition, wastes are preferred for energy production. In the case of some wastes, e.g. poultry manure, it is difficult to conduct anaerobic digestion in monofermentation. The aim of this work was to plan the biogas plant, in which the main substrate is the waste from a poultry farm. The scope of work included: preparation of a biogas plant technological project, determining the amount of biogas and methane that can be produced annually on the example of the selected poultry farm, performing the energy and financial calculations for the current conditions prevailing on the renewable energy market in Poland. The installation project assumed the location of a biogas plant at an existing poultry farm – the source of the substrate. The micro-biogas plant includes a fermentation tank with a capacity of 500 m3 and storage of digestate pulp with a capacity of 700 m3. The assumed power biogas plant will generate 112 kW of electricity and 120 kW of heat. The installation will operate in a single-stage mesophilic technology (39 °C), which will avoid incurring additional costs related to heating and the construction of additional fermentation tanks. The use of poultry manure by anaerobic digestion provides benefits through biogas technology. It is necessary to examine the technology in terms of biogas production, which is carried out under better sanitary and environmental conditions. This work was undertaken to investigate the environmentally friendly removal of poultry manure through biogas technology to obtain the best economic effect, and employ it further, e.g. as a fertilizer.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 11; 225-231
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The number of E. coli and C. perfringens bacteria in poultry waste and subsequent phases of composting
    Liczebność bakterii E. coli i C. perfringens w odpadach drobiarskich oraz kolejnych fazach ich kompostowania
    Autorzy:
    Cybulska, K.
    Suchecka, N.
    Wrońska, I.
    Mahdi-Oraibi, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/125776.pdf
    Data publikacji:
    2015
    Wydawca:
    Towarzystwo Chemii i Inżynierii Ekologicznej
    Tematy:
    E.coli
    C. perfringens
    poultry waste
    composting
    E. coli
    odpady drobiarskie
    kompostowanie
    Opis:
    Rapidly growing commercial poultry production generates large amounts of waste. Waste that accumulates during the poultry slaughter process often remains unprocessed, becoming a serious threat to people’s health and the natural environment. Poultry production waste constitutes problems odour threat and dangerous sanitary threat. The aim of this study was to determine the population size of Escherichia coli and Clostridium perfringens in poultry waste and in successive stages of waste composting. Research material consisted of raw feathers collected immediately after the slaughter, samples of biological sludge from the centrifuge, mixture of straw, feathers and lime and processed compost. Microbiological analyses were conducted with the use of spread plate count method and the substrate was used in accordance with research standards. The size of population of microorganisms in the samples analyzed corresponded to the waste processing stage and group of microbes. The presence of C. perfringens strains was ascertained in all samples, whereas E. coli strains were identified only in raw feathers and centrifuge sludge, being most numerous in unprocessed material. A reverse trend was observed in case of C. perfringens with the highest population density in centrifuge sludge and least density in raw feathers.
    Intensywnie rozwijająca się produkcja drobiarska wiąże się z generowaniem dużej ilości odpadów. Powstające produkty uboczne podczas uboju pozostawione w stanie surowym stają się poważnym zagrożeniem dla środowiska naturalnego i zdrowia ludzi. Mogą stwarzać problemy odorotwórcze oraz istotnie groźne zanieczyszczenie sanitarne. Celem przeprowadzonych badań było określenie liczebności E. coli i C. perfringens w odpadach drobiarskich oraz kolejnych etapach ich kompostowania. Materiał badawczy stanowiły świeże pióra bezpośrednio po uboju, osad biologiczny z wirówki, mieszanina słomy, pierza i wapna oraz kompost przerobiony. Analizy mikrobiologiczne wykonano metodą płytkową, wykorzystując wybiórcze podłoża zgodne z normami. Liczebność mikroorganizmów w badanych próbach zależała od fazy przerobu odpadu i analizowanej grupy drobnoustrojów. Obecność bakterii C. perfringens stwierdzono we wszystkich próbach, natomiast bakterie E. coli tylko w piórach surowych i osadzie z wirówki, przy czym najliczniej występowały w materiale nieprzetworzonym. Odwrotną tendencję zaobserwowano w przypadku C. perfringens, które najliczniej zasiedlały osad z wirówki, natomiast ich mniejszą liczebność stwierdzono w piórach surowych.
    Źródło:
    Proceedings of ECOpole; 2015, 9, 1; 19-24
    1898-617X
    2084-4557
    Pojawia się w:
    Proceedings of ECOpole
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Półciągła kofermentacja osadów ściekowych i odpadów tłuszczowych pochodzenia roślinnego
    Semi-continuous Anaerobic Co-digestion of Mixed Sewage Sludge and Waste Fats of Vegetable Origin
    Autorzy:
    Grosser, A.
    Worwąg, M.
    Neczaj, E.
    Grobelak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1819118.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    osady ściekowe
    odpady tłuszczowe
    grease trap sludge
    poultry slaughterhouse waste
    organic fraction
    acids
    degradation
    manure
    fermentation
    inhibition
    ammonia
    growth
    Opis:
    Anaerobic digestion (AD) is the most often applied technique for sewage sludge stabilization at medium and large wastewater treatment plants. Nonetheless, the application of AD to sewage sludge stabilization is often limited by long retention time and low VS (volatile solid) removal. For this reason in recent years a number of studies have been focused on optimize anaerobic digestion processes. One of the most interesting options for improving anaerobic digestion yields is co-digestion, namely simultaneous decomposition of a homogenous mixture of at least two biodegradable wastes. Fat-rich materials are attractive substrate for AD due to the high organic matter content of waste and high energetic potential. It is estimated that about 1,014 dm3, methane at STP (standard temperature and pressure) can by produced from 1 g VS lipids, while only 0,415, 0,496 dm3 can be produced respectively from 1 g VS carbohydrate and protein. However, due to inhibitory effect of intermediate compounds (LCFAs – long chain fatty acids) and operational problems, such as: hindrance, sedimentation clogging, scum formation, and flotation of biomass, separate AD of this waste ended with failure. The aim of the current study was to investigate how the co-digestion of fats of vegetable origin (FV) and mixed sewage sludge affected the performance of the anaerobic digestion (AD) process. The process was carried out at mesophilic conditions (37°C) in continuous stirred-tank reactor (CSTR) with working liquid volume equal to 6,5 dm3. The reactors were operated in draw-and fill mode (on a daily basis). The digestion was examined in semi-continuous mode at sludge retention time of 10 days and the organic loading rate maintained in the range 2,24–3,02 g/dm3 d. During the start-up period the digester was fed only sewage sludge. Co-digestion process was initiated after achievement of stable working parameters of bioreactor for sewage sludge digestion. Addition of fat in the feedstock was gradually increased up to 35%. Anaerobic process state indicators such as: biogas production, biogas composition, pH, alkalinity and volatile fatty acids (VFA) were used to monitor a digestion. Furthermore, the LCFAs concentrations were measured in a feed and digested sludge. The results showed that use of FV as a co-substrate adversely affects the efficiency of the process. Comparing digestion of MSS alone with co-digestion of wastes, it was shown that co-digestion resulted in lower biogas production and VS removal. Biogas yields for co-digestion mixtures were between 0,16 and0,32 dm3/g VS added, while volatile solid (VS) removal ranged from 36,75 to 42,65%.However average biogas yield and VS degradation degree observed during fermentation of the MSS(mixed sewage sludge) alone were 0,33 dm3/g VS added and 44%, respectively. Only for biogas composition noted the positive effect of mixed sewage sludge co-fermentation with FV. The study showed that the concentration of ammonia generated in this experiment did not inhibit anaerobic digestion. It was found that oleic acid, which is one of the most toxic long chain fatty acids, was present at concentrations (reached a maximum value of 34,38 mg/g TS) within the ranges for which inhibition of methanogenesis has been reported. This suggests that the low efficiency of the process was probably caused a high concentration of oleic acid.
    Źródło:
    Rocznik Ochrona Środowiska; 2013, Tom 15, cz. 3; 2108-2125
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the Impact of Waste from Poultry Hatchery and Postcellulose Lime on Selected Indexes of Light Soil Fertility
    Ocena oddziaływania odpadu z wylęgami drobiu oraz wapna pocelulozowego na wybrane wskaźniki żyzności gleby lekkiej
    Autorzy:
    Kozera, W.
    Majcherczak, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/388668.pdf
    Data publikacji:
    2009
    Wydawca:
    Towarzystwo Chemii i Inżynierii Ekologicznej
    Tematy:
    odpad z wylęgarni drobiu
    wapno pocelulozowe
    materia organiczna
    gleba lekka
    żyzność
    waste from poultry hatchery
    postcellulose lime
    organic matter
    light soil
    soil fertility
    Opis:
    The effect of conditioned waste from poultry hatchery on selected parameters of light soil was examined. Basing on the obtained results it was found that after applying the conditioned waste, the contents of organie matter increased, which was manifested in the increase in both mean content of organie carbon and total nitrogen in soil. Furthermore, a mean significant increase in the contents of available forms of phosphorus and magnesium was also found. As the effect of applying both the organie waste from poultry hatchery and the postcellulose lime, a significant increase in exchangeable acidity and a decrease in contents of available forms of potassium were observed with reference to the control. The use of postcellulose lime reduced the contents of available forms of magnesium in soil.
    Badano wpływ kondycjonowanego odpadu z wylęgarni drobiu oraz wapna pocelulozowego na wybrane parametry gleby lekkiej. Na podstawie uzyskanych wyników badań stwierdzono, że po zastosowaniu kondycjonera glebowego wzrosła zawartość materii organicznej, co przejawiało się wzrostem średniej zawartości węgla organicznego oraz azotu ogółem w glebie. Ponadto stwierdzono w tych warunkach znaczny wzrost średniej zawartości przyswajalnych form fosforu i magnezu w glebie. W wyniku zastosowania zarówno odpadu organicznego z wylęgarni drobiu, jak i wapna pocelulozowego, stwierdzono znaczny wzrost wartości kwasowości wymiennej oraz zmniejszenie zawartości przyswajalnych form potasu w porównaniu z obserwowanymi w obiekcie kontrolnym. Zastosowanie wapna pocelulozowego powodowało zmniejszenie i przyswajalnych form magnezu w glebie.
    Źródło:
    Ecological Chemistry and Engineering. A; 2009, 16, 5/6; 599-605
    1898-6188
    2084-4530
    Pojawia się w:
    Ecological Chemistry and Engineering. A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Composting of opium poppy processing solid waste with poultry manure: effects of initial C/N ratio on composting losses
    Autorzy:
    Kumbul, B. S.
    Ekinci, K.
    Tosun, İ.
    Powiązania:
    https://bibliotekanauki.pl/articles/101155.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    composting
    opium poppy processing solid waste
    poultry manure
    C/N ratio
    loss
    Opis:
    In this study, composting of opium poppy processing solid waste with poultry manure and rough sawdust with five initial Carbon/Nitrogen (C/N ratio) ratio ranging from 20.45, 25.00, 29.03, 32.60 and 37.47 was carried out using fifteen-identical cylindrical stainless steel reactors, each of which has an effective volume of 100 L to determine the effects of initial C/N ratio on composting loss due to degradation (dry matter loss, organic matter loss, carbon loss, and nitrogen loss, and ammonia loss). The experiment lasted for 18.65 days. In the experiment, the temperature, electrical conductivity, pH, moisture, organic matter, total carbon (C) and nitrogen (N) contents and NH3 -N were monitored. Dry matter loss, organic matter loss, carbon loss, nitrogen loss, and NH3 -N loss were expressed as a function of initial C/N ratio. Results showed that the highest dry matter loss and organic matter loss existed at the CN ratio of 29.70 and 31.18, respectively. The highest carbon loss occurred at the C/N ratio of 30.83. Both nitrogen loss and NH3 -N loss decreased as the C/N ratio increased.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/2; 675-688
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Próba wykorzystania pomiotu drobiowego jako wypełniacza do zapraw cementowych
    An attempt to using the poultry droppings as a filling material to cement mortars
    Autorzy:
    Sobczak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/238807.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    pomiot drobiowy
    wypełniacz
    zaprawa cementowa
    utylizacja odchodów
    poultry droppings
    cement mortar
    filling material
    waste utilization
    Opis:
    Przeprowadzono badania nad uzyskaniem zapraw cementowych z dodatkiem nawozu drobiowego, w celu utylizacji odchodów pochodzących z dużych ferm drobiarskich. Badania laboratoryjne i specjalistyczne (Instytut Konstrukcji Budowlanych) wykonywane różnymi recepturami i składnikami - cement, piasek, wapno hydratyzowane, pomiot kurzy nie pozwoliły osiągnąć oczekiwanej wytrzymałości mechanicznej testowanych elementów budowlanych.
    Investigations were conducted on making the cement mortars with addition of poultry manure. The study was an attempt to finding method of managing and utilization of the drop-pings from big poultry farms. The results of laboratory and specialistic tests (carried out at the Building Structure Institute) showed that the use of various receipts and components - including cement, sand, hydratized lime and poultry droppings - did not enable to obtain the building materials of presumed mechanical strength. Reduced share of droppings below 25% maybe would increase the mechanical parameters of the mixture; however, in such a case - from economic point of view - it would not be a profitable way of poultry droppings management.
    Źródło:
    Problemy Inżynierii Rolniczej; 2008, R. 16, nr 3, 3; 137-141
    1231-0093
    Pojawia się w:
    Problemy Inżynierii Rolniczej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie odpadów z ubojni drobiu do produkcji kompostu
    The use of poultry slaughterhouse waste to produce compost
    Autorzy:
    Kopeć, M.
    Gondek, K.
    Orłowska, K
    Kulpa, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/401943.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    przemysł drobiarski
    odpady
    kompost
    składniki pokarmowe dla roślin
    poultry industry
    waste
    compost
    nutrients for plants
    Opis:
    Przemysł drobiarski generuje duże ilości odpadów, które w procesie biologicznego przetwarzania stwarzają szereg problemów. Mimo dużej wartości wskaźnika rzeźności drobiu, problemem są pozostałości odpadowe tłuszczu i trudno rozkładalnej kreatyny. Przeprowadzono proces kompostowania odpadów z fermy drobiu oraz ubojni drobiu wymieszanych ze słomą kukurydzianą, która stanowiła materiał strukturotwórczy oraz poprawiała ilość węgla w substracie. Skład chemiczny kompostów uzyskanych z poubojowych odpadów drobiarskich z udziałem słomy kukurydzianej spełniał minimalne wymagania dla nawozów organicznych. Z badań wynika, że recykling organiczny odpadów z przemysłu drobiarskiego, przy uwzględnieniu bezpieczeństwa sanitarnego, powinien być podstawową metodą odzysku zawartych w nich składników pokarmowych dla roślin i materii organicznej.
    Poultry industry generates large amounts of waste, which in the biological treatment process creates a number of problems. One of them is a high amount of fat and creatine which is hard to decompose. Composting process was carried out with the waste from poultry farms and abattoirs mixed with maize straw, which was used to improve the structure and to increase the amount of carbon in the substrate. The chemical composition of composts from poultry waste involving maize straw meets the minimum requirements for organic fertilizers. It seems that recycling of organic waste from the poultry industry should be the primary method of nutrient recovery for plants and organic matter contained in them, however on condition that the health safety is preserved.
    Źródło:
    Inżynieria Ekologiczna; 2014, 37; 143-150
    2081-139X
    2392-0629
    Pojawia się w:
    Inżynieria Ekologiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dizelnoe biotoplivo s zhirosoderzhashhikh otkhodov pticevodstva
    Biodiesel with fat - containing poultry waste
    Autorzy:
    Mushtryk, M.
    Sukhenko, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/76318.pdf
    Data publikacji:
    2014
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    esterification
    biofuel
    production technology
    biodiesel fuel
    waste
    poultry processing plant
    methyl ester
    chicken
    free fatty acid
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2014, 16, 3
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of compost properties in sorption of heavy metals
    Autorzy:
    Martinho, J.
    Campos, B.
    Brás, I.
    Silva, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/207347.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    chemicals removal
    water treatment
    composting
    copper
    heavy metals
    municipal solid waste
    sewage
    poultry manure
    sorption
    usuwanie chemikaliów
    uzdatnianie wody
    kompostowanie
    miedź
    metale ciężkie
    stałe odpady komunalne
    ścieki
    odchody drobiu
    sorpcja
    Opis:
    The feasibility of various composts to operate as sorbents for heavy metals (Cu and Zn) removal from wastewater has been evaluated. Three commercial composts obtained from municipal solid wastes (MWS), sludge sewage (SS) and poultry manure (PM) were selected as potential sorbents. Kinetic and equilibrium tests were conducted in order to assess the equilibrium conditions to remove metals from aqueous samples. For all composts, the maximum time necessary to reach the equilibrium was 240 min. The Freundlich and Langmuir isotherm models were found to fit the sorption data. The SS compost proved to be the one with highest removal capability for both assessed metals, while MWS compost showed to be the less suitable for this purpose. These results can be explained in terms of the compost surface properties, namely, with the cation exchange capacity.
    Źródło:
    Environment Protection Engineering; 2015, 41, 2; 57-65
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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