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| 1 | Effects of acid,acid-ZVI/PMS,Fe(Ⅱ)/PMS and ZVI/PMS conditioning on the wastewater activated sludge(WAS)dewaterability and extracellular polymeric substances(EPS)显示文摘The effects of four conditioning approaches:Acid,Acid-zero-valent iron(ZVI)/peroxydisulfate(PMS),Fe(Ⅱ)/PMS and ZVI/PMS,on wastewater activated sludge(WAS)dewatering and organics distribution in supernatant and extracellular polymeric substances(EPS)layers were investigated.The highest reduction in bound water and the most WAS destruction was achieved by Acid-ZVI/PMS,and the optimum conditions were pH 3,ZVI dosage 0.15 g/g dry solid(DS),oxone dosage 0.07 g/g DS and reaction time 10.6 min with the reductions in capillary suction time(CST)and water content(Wc)as 19.67%and 8.49%,respectively.Four conditioning approaches could result in TOC increase in EPS layers and supernatant,and protein(PN)content in tightly bound EPS(TB-EPS).After conditioning,organics in EPS layers could migrate to supernatant.Polysaccharide(PS)was easier to migrate to supernatant than PN.In addition,Acid,Acid-ZVI/PMS or Fe(Ⅱ)/PMS conditioning promoted the release of some polysaccharides containing ring vibrations v P=O,v C-O-C,v C-O-P functional groups from TB-EPS.ESR spectra proved that both radicals of SO4-·and·OH contributed to dewatering and organics transformation and migration.CST value of WAS positively correlated with the ratios of PN/PS in LB-EPS and total EPS,while it negatively correlated with TOC,PN content and PS content in TB-EPS,as well as PS content in supernatant and LB-EPS.BWC negatively correlated to zeta potential and TOC value,PN content,and HA content in supernatant. | Xiaoyang Fan Yili Wang Daxin Zhang Yajie Guo Shihui Gao Enrui Li Huaili Zheng | 2020 | Journal of Environmental Sciences2020，32，5： | 4 |
| 2 | Magnetic micro-particle conditioning–pressurized vertical electro-osmotic dewatering(MPEOD) of activated sludge: Role and behavior of moisture and organics显示文摘In this study, a magnetic micro-particle conditioning–pressurized vertical electro-osmotic dewatering(MPEOD) process with magnetic micro-particle conditioning–drainage under gravity–mechanical compression–electrical compression(MMPC–DG–MC–EC) stages was established to study the distribution and migration of water, extracellular polymeric substances(EPS), and other organic matter in the activated sludge(AS) matrix at each stage.Results showed that the MPEOD process could attain 53.52% water content(WC) in dewatered AS with bound water(BW) and free water(FW) reduction rates of 82.97% and 99.67%,respectively. The coagulation and time-delayed magnetic field effects of magnetic microparticles(MMPs) along the MMPC–DG–MC stages initiated the transformation of partial BW to FW in AS. EC had a coupling driving effect of electro-osmosis and pressure on BW, and the changes in pH and temperature at EC stage induced the aggregation of AS flocs and the release of partial BW. Additionally, MMPs dosing further improved the dewatering performance of AS by acting as skeleton builders to provide water passages. Meanwhile, MMPs could disintegrate sludge cells and EPS fractions, thereby reducing tryptophan-like protein and byproduct-like material concentrations in LB-EPS as well as protein/polysaccharide ratio in AS matrix, which could improve AS filterability. At EC stage, the former four Ex/Em regions of fluorescence regional integration analysis for EPS were obviously reduced, especially the protein-like substances in LB-and TB-EPS, which contributed to improvement of AS dewaterability. | Xinxin Guo Xu Qian Yili Wang Huaili Zheng | 2018 | Journal of Environmental Sciences2018，30，12： | 3 |
| 3 | Investigations of coagulation–flocculation process by performance optimization, model prediction and fractal structure of flocs显示文摘 | Huaili Zheng Guocheng Zhu Shaojie Jiang Tiroyaone Tshukudu Xinyi Xiang Peng Zhang Qiang He | 2010 | Desalination2010，，1： | 2 |
| 4 | Flame retardant mechanism of polymer/clay nanocomposites based on polypropylene显示文摘 | Huaili Qin Shimin Zhang Chungui Zhao | 2005 | Polymer2005，46，： | 1 |
| 5 | Synthesis and characterization of a dewatering reagent: cationic polyacrylamide (P(AM–DMC–DAC)) for activated sludge dewatering treatment显示文摘 | Junren Zhu Huaili Zheng Zhenzhen Jiang Zhi Zhang Liwei Liu Yongjun Sun Tiroyaone Tshukudu | 2013 | Desalination and Water Treatment2013，，13： | 1 |
| 6 | Synthesis, characterization, and flocculation performance of anionic polyacrylamide P (AM‐AA‐AMPS)显示文摘 | Jiangya Ma Huaili Zheng Mingzhuo Tan Liwei Liu Wei Chen Qingqing Guan Xiaokai Zheng | 2013 | J. Appl. Polym. Sci2013，，4： | 1 |
| 7 | UV-initiated polymerization of hydrophobically associating cationic polyacrylamide modified by a surface-active monomer: a comparative study of synthesis, characterization, and sludge dewatering performance 显示文摘 | LIAO Yi ZHENG Huaili QIAN Li | 2014 | Ind Eng Chem Res2014，53，11： | 1 |
| 8 | Study on synthesis and trapping property of dithiocarbamates macromolecule heavy metal flocculant显示文摘 | Zheng Huaili Sun Xiuping He Qiang | 2008 | Journal of Applied Polymer Scieηce2008，110，4： | 1 |
| 9 | Reduced graphene as high performance electrode 显示文摘 | Zhu Xianjun Dai Huaili Hu oxide-nickel oxide composite materials for supercapaeitors 203:243 Jing | 2012 | J Power Sources2012，，： | 1 |
| 10 | Mechanical, thermal and flammability properties of polyethylene/clay nanocomposites显示文摘 | Zhao Chungui Qin Huaili Gong Fangling | 2005 | Polymer Degradation and Stability2005，87，1： | 1 |
| 11 | Thermal stability and flammability of Polyamide 66/montmorillonite nanoeomposites 显示文摘 | Huaili Qin Quansheng Su Shimin Zhang | 2003 | Polymer2003，44，： | 1 |
| 12 | Investigations ofcoagulation-flocculation process by performance optimization, modelprediction and fractal structure of flocs显示文摘 | Zheng Huaili Zhu Guocheng Jiang Shaojie | 2011 | Desalination2011，269，13： | 1 |
| 13 | Flame Retardant Mechanism of Polymer/Clay Nanocomposites Based on Polypropylene显示文摘 | Huaili Qin Shimin Zhang Chungui Zhao | 2005 | Polymer2005，46，19： | 1 |
| 14 | Oxidation of acidic dye Eosin Y by the solar photo-Fenton processes显示文摘 | Zheng Huaili Pan Yunxia Xiang Xinyi | 2007 | Journal of Hazardous Materials2007，141，： | 1 |
| 15 | Thermal sta- bility and flammability of polyamide 66/montmorillonite nano- composites 显示文摘 | Qin Huaili Su Quansheng Zhang Shimin | 2003 | Polymer2003，44，24： | 1 |
| 16 | Mechanical, Thermal and Flammability Properties of Polyethylene/Clay Nanocomposites显示文摘 | Chungui Zhao Huaili Qin Fangling Gong | 2005 | Polymer Degradation and Stability2005，87，： | 1 |
| 17 | Prep- aration of a composite coagulant : Polymeric aluminum fer- ric sulfate (PAFS) for wastewater treatment 显示文摘 | Guocheng Zhu Huaili Zheng Wenyuan Chen | 2011 | Desalina- tion2011，285，： | 1 |
| 18 | A tempera- ture-responsive copolymer hydrogel in controlled drug delivery 显示文摘 | Hongjun Dai Qiang Chen Huaili Qin | 2006 | Macromolecules2006，39，19： | 1 |
| 19 | Catalytic spectrophotometric determination of trace a-luminium with indigo carmine显示文摘 | Zheng Huaili Xiong Wenqiang Gong Yingkun | 2007 | Spectrochim ActaPart A2007，66，45： | 1 |
| 20 | Optimization for decolorization of azo dye acid green 20 by ultrasound and H2 02 using response surface methodology显示文摘 | Zhang Zhanmei Zheng Huaili | 2009 | Journal of Hazardous Materials2009，172，23： | 1 |
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