Results 241 to 250 of about 22,876 (259)
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Polymer Degradation and Stability, 2013
The anaerobic biodegradability of 4 bioplastics powders (125–250 μm), polycaprolactone (PCL), poly(lactic acid) (PLA), polyhydroxybutyrate (PHB) and poly(butylene succinate) (PBS), were compared at 55 °C under aquatic conditions using our evaluation system reported previously, (the modified ISO 13975 method).
Hisaaki Yagi +3 more
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The anaerobic biodegradability of 4 bioplastics powders (125–250 μm), polycaprolactone (PCL), poly(lactic acid) (PLA), polyhydroxybutyrate (PHB) and poly(butylene succinate) (PBS), were compared at 55 °C under aquatic conditions using our evaluation system reported previously, (the modified ISO 13975 method).
Hisaaki Yagi +3 more
openaire +1 more source
Anaerobic biodegradability of polyvinyl alcohol
Biotechnology Letters, 1993Biodegradability of polyvinyl alcohol (PVA) under anaerobic conditions was demonstrated using anaerobic river sediments and anaerobically treated activated sludge from a sewage treatment plant. PVA having molecular weights of 2000 and 14000 was over 60% biodegraded as determined by TOC.
Shuichi Matsumura +2 more
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Anaerobic Biodegradation of Hydrocarbons
2004Hydrocarbons are a generic group of compounds composed exclusively of hydrogen and carbon. They represent one of the most important groups of chemicals to mankind because of their natural abundance, their industrial importance, their extensive use as a primary energy source throughout the world, and their toxicity.
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Anaerobic biodegradation of hexazinone in four sediments
Journal of Hazardous Materials, 2009Anaerobic biodegradation of hexazinone was investigated in four sediments (L1, L2, Y1 and Y2). Results showed that the L2 sediment had the highest biodegradation potential among four sediments. However, the Y1 and Y2 sediments had no capacity to biodegrade hexazinone.
Huili, Wang +3 more
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Anaerobic Benzene Biodegradation Linked to Nitrate Reduction
Applied and Environmental Microbiology, 1999ABSTRACT Benzene oxidation to carbon dioxide linked to nitrate reduction was observed in enrichment cultures developed from soil and groundwater microcosms. Benzene biodegradation occurred concurrently with nitrate reduction at a constant ratio of 10 mol of nitrate consumed per mol of benzene degraded.
S M, Burland, E A, Edwards
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Anaerobic biodegradability of carboxymethyloxysuccinate, a detergent builder
Journal of the American Oil Chemists' Society, 1977Abstract and SummaryControlled amounts of C‐14 labeled trisodium car‐boxymethyloxysuccinate, an experimental detergent builder, were added to a laboratory anaerobic digester system. The daily dosages were increased incrementally from 4 to 20 ppm, dosages being held at each level for 24 days.
J P, Viccaro, E L, Ambye
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Anaerobic Biodegradability and Treatment of Egyptian Domestic Sewage
Journal of Environmental Science and Health, Part A, 2003The anaerobic biodegradability of domestic sewage for four Egyptian villages and four Egyptian cities was determined in batch experiments. The results showed that the biodegradability of the Egyptian-villages sewage (73%) was higher than that of the cities (66%). The higher biodegradability of the soluble COD of village sewage (69%) as compared to that
Elmitwalli, T.A. +4 more
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Waste Management, 2008
A study was conducted on two types of plastic materials, Mater-Bi Novamont (MB) and Environmental Product Inc. (EPI), to assess their biodegradability under aerobic and anaerobic conditions. For aerobic conditions, organic fractions of municipal solid wastes were composted. For the anaerobic process, anaerobic inoculum from a wastewater treatment plant
R, Mohee +3 more
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A study was conducted on two types of plastic materials, Mater-Bi Novamont (MB) and Environmental Product Inc. (EPI), to assess their biodegradability under aerobic and anaerobic conditions. For aerobic conditions, organic fractions of municipal solid wastes were composted. For the anaerobic process, anaerobic inoculum from a wastewater treatment plant
R, Mohee +3 more
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Science of The Total Environment, 2004
In this study, anaerobic biodegradability of 47 kinds of aliphatic compounds was tested and assessed in integrate. These aliphatic compounds were classified into readily, partially and poorly biodegradable compounds after their integrated assessment indices (IAI) were calculated.
Yang, Hongwei +2 more
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In this study, anaerobic biodegradability of 47 kinds of aliphatic compounds was tested and assessed in integrate. These aliphatic compounds were classified into readily, partially and poorly biodegradable compounds after their integrated assessment indices (IAI) were calculated.
Yang, Hongwei +2 more
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Polymer Degradation and Stability, 2014
The anaerobic biodegradability of four bioplastics powders (125–250 μm), polycaprolactone (PCL), poly(lactic acid) (PLA), polyhydroxybutyrate (PHB) and poly(butylene succinate) (PBS), were compared at 37 °C under aquatic conditions using our previously reported evaluation system (the modified ISO 13975 method).
Hisaaki Yagi +3 more
openaire +1 more source
The anaerobic biodegradability of four bioplastics powders (125–250 μm), polycaprolactone (PCL), poly(lactic acid) (PLA), polyhydroxybutyrate (PHB) and poly(butylene succinate) (PBS), were compared at 37 °C under aquatic conditions using our previously reported evaluation system (the modified ISO 13975 method).
Hisaaki Yagi +3 more
openaire +1 more source