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1. Comprehensive application and potential prediction for bathing water recycling in buildings | |||
Liu Meng,Li Yongqiang,Yang Xincheng | |||
Environmental Science and Techology 15 October 2012 | |||
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Abstract:Due to global climate change and resource shortage, energy efficiency and resource recycling received extensive attention. China has pushed forward the development of green building as national development strategy. Bathing water consumes both water and energy a lot. Varieties of studies have been carried out on the recycling of waste bathing water leading to numbers of technologies and theoretical researches. But current studies are restricted to the transformation of independent bath units, lacking of recycling on overall structure of the buildings and the analysis on inherent potential. This paper takes both energy and water reuse into consideration, providing a comprehensive application by the settlement using the waste water from bath for greening irrigation and warming-up the inlet bathing water. Predictions are made on energy saving efficiency in different seasons (26.1%, 29.2%, 28.6%) and irrigation ability per capita (97m2) of the comprehensive application. | |||
TO cite this article:Liu Meng,Li Yongqiang,Yang Xincheng. Comprehensive application and potential prediction for bathing water recycling in buildings[OL].[15 October 2012] http://en.paper.edu.cn/en_releasepaper/content/4488331 |
2. Hydrolysis of pretreated rice straw with surfactants at low cellulase dosage | |||
Yuan Xingzhong ,Liang Yunshan ,Zeng Guangming ,Wang Weiwei | |||
Environmental Science and Techology 26 January 2010 | |||
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Abstract:The effects of three surfactants (Tween 80, saponin and monorhamnolipid) on the hydrolysis of NaOH-pretreated rice straw by low dosage of cellulase were studied. The results indicated that with a relatively low cellulase dosage (4 FPU g-1 substrate), all surfactants were able to enhance the enzymatic hydrolysis, while the biosurfactant monorhamnolipid was demonstrated to be more active than Tween 80 and saponin. Monorhamnolipid at 0.006% increased reducing sugar yield by 23.15%, and the maximal sugar yield was obtained within half of the time compare to the control required. The cellulase losed 67% of its activity in the control, while the activity lost ratios were 31%~43% in the presence of the surfactants. The surfactants addition did not affect the pH of the hydrolysis system. This study provides an opportunity of decreasing enzyme dosage in hydrolysis of agricultural solid waste rich in cellulose. | |||
TO cite this article:Yuan Xingzhong ,Liang Yunshan ,Zeng Guangming , et al. Hydrolysis of pretreated rice straw with surfactants at low cellulase dosage[OL].[26 January 2010] http://en.paper.edu.cn/en_releasepaper/content/39426 |
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