Showing 1 - 10 of 54
siloxane-containing gas as a model of biogas that is produced naturally during the anaerobic degradation of organic material in … particle size distribution. It is shown that the deposition flux of silica depends linearly on siloxane concentration in input …
Persistent link: https://www.econbiz.de/10010718876
In this study, a naturally aspirated spark ignition engine fueled by low calorific gas (LCG) was tested in both exhaust gas recirculation (EGR) and lean burn modes, and the effects of these modes on engine performance and combustion and emission characteristics were evaluated and compared. The...
Persistent link: https://www.econbiz.de/10010784943
This study focuses on improving the efficiency of the microwave (MW) pretreatment of waste activated sludge (WAS) through deflocculation mediated by sodium tripolyphosphate (STPP), a cationic binding agent. Deflocculated sludge was subjected to MW pretreatment to assess its impact on biomass...
Persistent link: https://www.econbiz.de/10011263331
gas (CNG) vehicle fueled with biogas and natural gases. A large CNG vehicle currently used as a city bus in Korea was … (NIER) 06 cycles. One CH4-enriched biogas (97.6% CH4) and 5 natural gases with different CH4 contents (81.6–94.0% CH4) were …
Persistent link: https://www.econbiz.de/10011116145
considered supply chain is based on co-digestion of dairy cattle manure and maize, biogas upgrading and injection into a …
Persistent link: https://www.econbiz.de/10011189391
solids content was higher than that from the raw slurry with either a high or low solids content. In terms of biogas …), 57.6–80.1% of the biological oxygen demand (BOD5). In particular, it produced more than 75% of the total biogas yield …: enhanced digestion temperature and increased concentration of the substrate, could improve the efficiency of the entire biogas …
Persistent link: https://www.econbiz.de/10010729383
this work, the theoretical energy consumption of CO2 separation from flue gas, lime kiln gas, biogas and bio-syngas was … calculated. The results show that the energy consumption of CO2 separation from flue gas is the highest and that from biogas is …
Persistent link: https://www.econbiz.de/10010906309
, and leaves, were employed for ethanol and biogas production. Effects of operating conditions, including methanol to oil …. In addition, pretreatment using 8% w/v NaOH at 0 and 100°C for 30 and 60min was applied to improve ethanol and biogas … the case of biogas production, alkali pretreatment enhanced the methane production yield from castor stem; however, it …
Persistent link: https://www.econbiz.de/10011076484
Cattle slaughterhouses contain high strength waste and wastewater streams and are therefore strong candidates for treatment processes that recover energy and nutrients. Analysis of 6 Australian slaughterhouses showed the potential for renewable energy production from a production facility was up...
Persistent link: https://www.econbiz.de/10011076485
In this study, a culture system with outdoor microalgae-incorporating photobioreactors was utilized to upgrade biogas … operation, the maximum growth rates of Chlorella sp. MB-9 aerated with desulfurized biogas at 0.05, 0.1, 0.2 and 0.3vvm were 0 ….32, 0.311, 0.275 and 0.251gL−1d−1. In addition, ∼70% of the CO2 in desulfurized biogas (∼20% CO2, ∼70% CH4, and H2S<50ppm …
Persistent link: https://www.econbiz.de/10011040466