Frontiers of Environmental Science & Engineering in China

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Bioreduction of nitrate in groundwater using a pilot-scale hydrogen-based membrane biofilm reactor
Frontiers of Environmental Science & Engineering in China - - 2010
Youneng Tang, Michal C Ziv-El, Chen Zhou, Jung Hun Shin, Chang Hoon Ahn, Kerry Meyer, Daniel Candelaria, David Friese, Ryan Overstreet, Rick Scott, Bruce E. Rittmann
Climate change and sandy land development in Qinghai Lake Watershed, China
Frontiers of Environmental Science & Engineering in China - Tập 2 - Trang 340-348 - 2008
Yongliang Sun, Xiaoyan Li, Lianyou Liu, Heye Xu, Dengshan Zhang
The Qinghai Lake Watershed, containing the largest saline lake in northwest of China, has suffered from severe sandy land development in recent years. This paper analyzes its daily precipitation, temperature, and wind from 1958 to 2001, and the spatial and temporal distributions of sandy land through the interpretation of remote sensing images covering four years (1977, 1987, 2000, and 2004). Resu...... hiện toàn bộ
Achieving biodegradability enhancement and acute biotoxicity removal through the treatment of pharmaceutical wastewater using a combined internal electrolysis and ultrasonic irradiation technology
Frontiers of Environmental Science & Engineering in China - Tập 5 Số 3 - Trang 481-487 - 2011
Sun, Liang, Wang, Can, Ji, Min, Wang, Fen
Actual pharmaceutical wastewater was treated using a combined ultrasonic irradiation (US) and iron/coke internal electrolysis (Fe/C) technology. A significant synergetic effect was observed, showing that ultrasonic irradiation dramatically enhanced the chemical oxygen demand (COD) removal efficiencies by internal electrolysis. The effects of primary operating factors on COD removal were evaluated ...... hiện toàn bộ
Detection of geosmin and 2-methylisoborneol by liquid-liquid extraction-gas chromatograph mass spectrum (LLE-GCMS) and solid phase extraction-gas chromatograph mass spectrum (SPE-GCMS)
Frontiers of Environmental Science & Engineering in China - Tập 1 - Trang 286-291 - 2007
Xiaoyan Ma, Naiyun Gao, Beibei Chen, Qingsong Li, Qiaoli Zhang, Guofen Gu
Two sample preparation methods were introduced and compared in this paper to establish a simple, quick and exact analysis of geosmin and 2-methylisoborneol. LC-18 column was employed in solid phase extraction (SPE), 1.0 mL of hexane was adopted in liquid-liquid extraction (LLE), and the extracts were analyzed by gas chromatograph mass spectrum (GCMS) in selected ion mode. Mean recoveries of SPE we...... hiện toàn bộ
Biodegradation of trace pharmaceutical substances in wastewater by a membrane bioreactor
Frontiers of Environmental Science & Engineering in China - - 2009
Longli Bo, Taro Urase, Xiaochang C. Wang
Catalytic decomposition of low level ozone with gold nanoparticles supported on activated carbon
Frontiers of Environmental Science & Engineering in China - Tập 3 - Trang 281-288 - 2009
Pengyi Zhang, Bo Zhang, Rui Shi
Highly dispersed gold nanoparticles were supported on coal-based activated carbon (AC) by a sol immobilization method and were used to investigate their catalytic activity for low-level ozone decomposition at ambient temperature. Nitrogen adsorption-desorption, scanning electron microscope (SEM), and X-ray photoelectron spectroscopy (XPS) were used to characterize the catalysts before and after oz...... hiện toàn bộ
Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China
Frontiers of Environmental Science & Engineering in China - Tập 4 - Trang 349-360 - 2010
Jie Liu, Fan Chen, Haiqing Geng, Xinxin Qiu, Binbin Cai
The major features of different road sections were identified. Methods quantitatively determining the ecological impact of highway construction were discussed, and a demonstration was presented. The Dabao highway (from Dali to Baoshan) and the Sixiao highway (from Simao to Xiaomengyang) passing through the Longitudinal Range-Gorge Region were used as examples in this paper. For the normal road sec...... hiện toàn bộ
Thermal cracking of waste printed wiring boards for mechanical recycling by using residual steam preprocessing
Frontiers of Environmental Science & Engineering in China - Tập 5 - Trang 167-174 - 2011
Yao Chen, Jinhui Li, Huabo Duan, Zhishi Wang
Mechanical waste-processing methods, which combine crushing and separation processes for the recovery of valuable materials, have been widely applied in waste printed wiring board (PWB) treatment. However, both the high impact toughness and the tensile and flexural strengths of whole PWB with a laminated structure result in great energy consumption and severe abrasion of the cutters during multi-l...... hiện toàn bộ
Effect of denitrifying bacteria on the electrochemical reaction of activated carbon fiber in electrochemical biofilm system
Frontiers of Environmental Science & Engineering in China - Tập 1 - Trang 305-310 - 2007
Diwen Ying, Jinping Jia, Lehua Zhang
An electrochemical-activated denitrifying biofilm system consisting of activated carbon fiber electrodes immobilized with denitrifying bacteria film as cathode was studied. A revised model for an electrochemical-activated denitrifying biofilm was developed and validated by electrochemical analysis of cathodal polarization curves and nitrate consumption rate. The cathodal polarization curve and nit...... hiện toàn bộ
The energy-environment nexus: aerosol science and technology enabling solutions
Frontiers of Environmental Science & Engineering in China - Tập 5 Số 3 - Trang 299-312 - 2011
Pratim Biswas, Wei‐Ning Wang, Woo-Jin An
Tổng số: 259   
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