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11篇 您的检索式:作者名="Xuejun Quan"
    题名 作者 年代 出处 被引量
1Electrochemical oxidation of recalcitrant organic compounds in biologically treated municipal solid waste leachate in a flow reactor显示文摘Biologically-treated municipal solid waste(MSW) leachate still contains many kinds of bio-recalcitrant organic matter. A new plate and frame electrochemical reactor was designed to treat these materials under flow conditions. In the electrochemical oxidation process, NH3and color could be easily removed by means of electro-generated chlorine/hypochlorite within 20 min. The efects of major process parameters on the removal of organic pollutants were investigated systematically. Under experimental conditions, the optimum operation parameters were current density of 65 mA/cm2, flow velocity of 2.6 cm/sec in electrode gap, and initial chloride ion concentration of 5000 mg/L. The COD in the leachate could be reduced below 100 mg/L after 1 hr of treatment. The kinetics and mechanism of COD removal were investigated by simultaneously monitoring the COD change and chlorine/hypochlorite production.The kinetics of COD removal exhibited a two-stage kinetic model, and the decrease of electro-generated chlorine/hypochlorite production was the major mechanism for the slowing down of the COD removal rate in the second stage. The narrowing of the electrode gap is beneficial for COD removal and energy consumption.Xuejun Quan Zhiliang Cheng Bo Chen Xincai Zhu 2013Journal of Environmental Sciences2013,25,10:6
2Photocatalytic degradation of bisphenol A using an integrated system of a new gas-liquid-solid circulating fluidized bed reactor and micrometer Gd-doped TiO_2 particles显示文摘A new gas-liquid-solid circulating fluidized bed photocatalytic reactor (GLSCFBPR) with internally placed multi-layered UV lamps was developed. Micrometer Gd-TiO2 particles and commercial nanometer P25-TiO2 were chosen as the photocatalysts, and the hazardous substance bisphenol A (BPA) was chosen as the model pollutant to investigate the performance of this new photocatalytic system. The results showed that the photocatalytic degradation efficiency of the micrometer Gd-TiO2 particles was similar to that of the nanometer P-25 particles at their respective optimum dosage but the former could be easily separated out by gravity. After investigating the effects of process parameters on the photocatalytic BPA degradation, the response surface method (RSM) was further used for process optimization. The interactions among process parameters, i.e., TiO2 concentration, superficial gas velocity and superficial liquid velocity were discovered and a related analysis was carried out to explore the underlying mechanism. A quadratic mathematic model was established and performed satisfactorily when used for prediction. The optimum conditions for this new process were as follows: TiO2 concentration 4.5 g/L, superficial gas velocity 7.83 × 10-3 m/sec and superficial liquid velocity 8.65 × 10-3 m/sec.Zhiliang Cheng Xuejun Quan Jinxin Xiang Yuming Huang Yunlan Xu 2012Journal of Environmental Sciences2012,24,7:5
3Hydrocarbon accumulation principles in troughs within faulted depressions and their significance in exploration显示文摘以前,在指责的消沉通常是的大陆人的马槽为烃累积看作了烃产生和逐出的一个地区而非一个地区。如果他们被证实是来源厨房,他们能组成潜在的戏的可能性将在随后的探索程序被俯看。在过去的几年里基于 Jizhong 消沉和 Erlian 盆的烃探索实践,这份报纸讨论水库分发被多重因素控制, lithological 累积是更可能的在马槽区域形成的新理解。在马槽区域控制大 lithological 烃累积的形成进一步记录三个主要因素。纸也讨论新概念结构并且 lithological 累积不仅共存而且补充对方。我们建议那个扇子三角洲在轻轻的斜坡上的马槽,三角洲前面和 sublacustrine 扇子的转换陡峭的斜坡上的前面,沿着差错陡坡的脚趾的隧道沙是为新油的发现的有利地点累积。这个概念的申请在 Jizhong 消沉和 Erlian 盆在马槽区域在地方导致了油的几百百万公吨的发现。Zhao Xianzheng Jin Fengming Wang Quan Lu Xuejun 2011Petroleum Science2011,8,1:4
4Simultaneous removal of ammonia, P and COD from anaerobically digested piggery wastewater using an integrated process of chemical precipitation and air stripping显示文摘Xuejun Quan Changying Ye Yanqi Xiong Jinxin Xiang Fuping Wang 2010Journal of Hazardous Materials2010,,1:2
5Simultaneous removal of ammonia, P and COD from anaerobically digested piggery wastewater using an integrated process of chemical precipitation and air stripping 显示文摘Quan Xuejun Ye Changying Xiong Yanqi 2010Journal of Hazardous Materials2010,178,13:1
6Hepatoprotective effect of cryptotanshinone from Salvia miltiorrhiza in d -galactosamine/lipopolysaccharide-induced fulminant hepatic failure显示文摘Quan Jin Shuang Jiang Yan-Ling Wu Ting Bai Yong Yang Xuejun Jin Li-Hua Lian Ji-Xing Nan 2014Phytomedicine2014,,2:1
7Air stripping of ammonia in a water-sparged aerocyclone reactor显示文摘Xuejun Quan Fuping Wang Qinghua Zhao Tiantao Zhao Jinxin Xiang 2009Journal of Hazardous Materials2009,,2:1
8Experimental study of power consumption, local characteristics distributions and homogenization energy in gas–liquid stirred tank reactors显示文摘In this paper, the power consumption, the vertical local void fraction and the local gas–liquid interfacial area are investigated in the aerated stirred tank reactors(STRs) equipped with a rigid-flexible impeller. Meanwhile, the regressive correlation based on power consumption and interfacial area is proposed. Then a novel homogenization energy(HE = RSDPtm) expression based on power consumption and local interfacial area is redefined and used to indicate the mixing efficiency. The optimal operating mode is selected based on the change of the HE value. This paper can provide research ideas for structural optimization of stirred reactors.Facheng Qiu Zuohua Liu Renlong Liu Xuejun Quan Changyuan Tao Yundong Wang 2019Chinese Journal of Chemical Engineering2019,27,2:1
9Use of a novel electrotopological descriptor for the prediction of biological activity of peptide analogues显示文摘Lin Zhihua Wu Yuzhang Quan Xuejun 2002Letters in Peptide Science2002,9,:1
10Synergistic degradation of methyl orange in an ultra- sound intensified photocatalytic reactor显示文摘Cheng Zhiliang Quan Xuejun Xiong Yanqi 2012Ultrason Sonochem2012,19,5:1
11Detoxification of Chromium Slag by Chromate Resistant Bacteria显示文摘Quan Xuejun Tan Huaiqin Zhao Youcai 2006Journal of Hazardous Materials2006,137,:1
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