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Flocculation behaviors of a novel papermaking sludge-based flocculant in practical printing and dyeing

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1390-x

Abstract:

•PSBF performed better than PAC and PAM in CODCr removals.

Keywords： Practical wastewater treatment     Commercial coagulant/flocculant     Secondary coagulation-flocculation process     Chemical oxygen demand     Coagulation-flocculation mechanism    

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Optimization and modeling of coagulation-flocculation to remove algae and organic matter from surface

Ziming Zhao, Wenjun Sun, Madhumita B. Ray, Ajay K Ray, Tianyin Huang, Jiabin Chen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1159-7

Abstract: Charge neutralization and sweep flocculation were the major mechanisms.Effect of process parameters was investigated.and sweep flocculation at a pH range of 4.66–6.34.valuable reference for the treatment of algae-laden surface water in practical application by the optimal coagulation-flocculationprocess.

Keywords： Algae     Coagulation-flocculation     Response surface methodology     Artificial neural networks    

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Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation/flocculation in terminal drainage pipes

Zongqun Chen, Wei Jin, Hailong Yin, Mengqi Han, Zuxin Xu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1400-z

Abstract: Abstract • A way for overflow control based on on-site coagulation/flocculation was proposed. • CoagulantOn-site coagulation/flocculation in terminal drainage pipes was proposed in this study which was aimedto transfer the coagulation/flocculation process to the inside of pipes at the terminal drainage systemto save space and reduce the retention time of the coagulation/flocculation process./flocculation process was investigated, which indicated that high removal of pollutant was gained at

Keywords： Wet weather overflow     On-site coagulation/flocculation     Fast removal of particulate pollutants    

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What have we known so far about microplastics in drinking water treatment? A timely review

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1492-5

Abstract:

• 23 available research articles on MPs in drinking water treatment are reviewed.

Keywords： Microplastics     Drinking water treatment     Coagulation     Flocculation     Membrane     Filtration    

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Influence of coagulation bath on morphology of cellulose membranes prepared by NMMO method

LU Yangcheng, WU Yingxin

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 204-208 doi: 10.1007/s11705-008-0027-y

Abstract: , they were prepared by the NMMO method using water, methanol, ethanol and their binary solution as coagulationBy comparison, the process and mechanism of pore formation in dry membranes were suggested, and the relativityThe results show that the morphology of dry membranes is clearly varied with coagulation baths, whileBy changing the composition of coagulation baths, the microstructure of cellulose membranes in a dry

Keywords： comparison     NMMO     constant     diameter     process    

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Evaluation of activated sludge properties’ changes in industrial-wastewater pre-treatment: role of residual aluminum hydrolyzed species with different polymerization degree

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1675-3

Abstract:

● Medium poly Al salts dominated the PAC residual salts with a rational dosage.

Keywords： Coagulation/flocculation     Hydroxyl-aluminum     Hydrolysis reaction     Reactor performance     Activated sludge    

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Simple model of sludge thickening process in secondary settlers

Yuankai ZHANG,Hongchen WANG,Lu QI,Guohua LIU,Zhijiang HE,Songzhu JIANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 319-326 doi: 10.1007/s11783-014-0758-6

Abstract: In wastewater treatment plants (WWTPs), a secondary settler acts as a clarifier, sludge thickener, andduring peak flows and therefore plays an important role in the performance of the activated sludge processSludge thickening occurs in the lower portions of secondary clarifiers during their operation.In this study, by detecting the hindered zone from the complete thickening process of activated sludge

Keywords： wastewater treatment plants     secondary settler     sludge thickening     sludge settling     hindered zone    

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Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 348-361 doi: 10.1007/s11783-011-0343-1

Abstract: The UCD/CIT model was modified to include a process analysis (PA) scheme for gas and particulate matter(PM) to study the formation of secondary nitrate aerosol during a stagnant wintertime air pollutionSecondary nitrate is formed in the urban areas from near the ground to a few hundred meters above theThe secondary nitrate formation rate in rural areas is lower due to lower NO .During the stagnant days, process analysis indicates that the nitrate concentration in the upper air

Keywords： secondary nitrate aerosol     N2O5 heterogeneous reaction     process analysis    

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A pulsed switching peroxi-coagulation process to control hydroxyl radical production and to enhance 2,4

Yaobin Lu, Songli He, Dantong Wang, Siyuan Luo, Aiping Liu, Haiping Luo, Guangli Liu, Renduo Zhang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1070-7

Abstract:

• A new pulsed switching peroxi-coagulation (PSPC) system was developed

Keywords： Pulsed switching peroxi-coagulation system     Energy consumption     Hydroxyl radical production     2     4- Dichlorophenoxyacetic    

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Effects of Co2+ on the erythromycin biosynthesis

DU Wen, CHEN Changhua

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 246-250 doi: 10.1007/s11705-007-0044-2

Abstract: Erythromycin biosynthesis is a highly complicated process, which involves both primary metabolism andsecondary metabolism.The specific activities of the enzymes involved in secondary metabolism, such as methylmalonyl-coenzyme

Keywords： secondary metabolism     organic     fermentation     process     phosphofructokinase    

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The treatment of black-odorous water using tower bipolar electro-flocculation including the removal of

Huan He, Qinjin Yu, Chaochao Lai, Chen Zhang, Muhan Liu, Bin Huang, Hongping Pu, Xuejun Pan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1310-5

Abstract: Electro-flocculation has emerged as a powerful remediation technology.Electro-flocculation in a bubble column tower with a bipolar electrode (BPE) was tested in an attemptThe system’s electro-flocculation and electrical floatation removed turbidity, phosphate and sulphion

Keywords： Black-odorous water     Bipolar electrodes     Flocculation     Floatation     Oxygen enrichment     Turbidity    

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Applying chemical sedimentation process in drinking water treatment plant to address the emergent arsenic

Pengfei LIN,Xiaojian ZHANG,Hongwei YANG,Yong LI,Chao CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 50-57 doi: 10.1007/s11783-014-0733-2

Abstract: the efficiency of arsenic removal and the influencing factors of the chemical sedimentation treatment process

Keywords： Arsenic spill     chemical sedimentation     coagulation     drinking water     emergency treatment    

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Aortic aneurysm and chronic disseminated intravascular coagulation: a retrospective study of 235 patients

Yun Zhang,Chen Li,Min Shen,Bao Liu,Xuejun Zeng,Ti Shen

Frontiers of Medicine 2017, Volume 11, Issue 1,   Pages 62-67 doi: 10.1007/s11684-017-0498-7

Abstract:

Chronic disseminated intravascular coagulation (DIC) is a rare but devastating complication of aorticThe non-typical DIC patients also presented abnormal coagulation disorders of varying degrees.

Keywords： aortic aneurysm     disseminated intravascular coagulation     anticoagulation therapy    

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Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1531-x

Abstract:

• Ceramic membrane filtration showed high performance for surface water treatment.

Keywords： Ceramic membrane     Coagulation     Polytitanium chloride     Membrane fouling    

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Removal efficiencies of natural and synthetic progesterones in hospital wastewater treated by different disinfection processes

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1558-z

Abstract:

● The concentrations of 61 progesterones in HWW, PFTE, SBTE were evaluated.

Keywords： Progesterones     Hospital wastewater     Primary filtration treatment effluent     Secondary biological treatmenteffluent     Disinfection process    

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Title Author Date Type Operation

Flocculation behaviors of a novel papermaking sludge-based flocculant in practical printing and dyeing

Journal Article

Optimization and modeling of coagulation-flocculation to remove algae and organic matter from surface

Ziming Zhao, Wenjun Sun, Madhumita B. Ray, Ajay K Ray, Tianyin Huang, Jiabin Chen

Journal Article

Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation/flocculation in terminal drainage pipes

Zongqun Chen, Wei Jin, Hailong Yin, Mengqi Han, Zuxin Xu

Journal Article

What have we known so far about microplastics in drinking water treatment? A timely review

Journal Article

Influence of coagulation bath on morphology of cellulose membranes prepared by NMMO method

LU Yangcheng, WU Yingxin

Journal Article

Evaluation of activated sludge properties’ changes in industrial-wastewater pre-treatment: role of residual aluminum hydrolyzed species with different polymerization degree

Journal Article

Simple model of sludge thickening process in secondary settlers

Yuankai ZHANG,Hongchen WANG,Lu QI,Guohua LIU,Zhijiang HE,Songzhu JIANG

Journal Article

Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Journal Article

A pulsed switching peroxi-coagulation process to control hydroxyl radical production and to enhance 2,4

Yaobin Lu, Songli He, Dantong Wang, Siyuan Luo, Aiping Liu, Haiping Luo, Guangli Liu, Renduo Zhang

Journal Article

Effects of Co2+ on the erythromycin biosynthesis

DU Wen, CHEN Changhua

Journal Article

The treatment of black-odorous water using tower bipolar electro-flocculation including the removal of

Huan He, Qinjin Yu, Chaochao Lai, Chen Zhang, Muhan Liu, Bin Huang, Hongping Pu, Xuejun Pan

Journal Article

Applying chemical sedimentation process in drinking water treatment plant to address the emergent arsenic

Pengfei LIN,Xiaojian ZHANG,Hongwei YANG,Yong LI,Chao CHEN

Journal Article

Aortic aneurysm and chronic disseminated intravascular coagulation: a retrospective study of 235 patients

Yun Zhang,Chen Li,Min Shen,Bao Liu,Xuejun Zeng,Ti Shen

Journal Article

Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Journal Article

Removal efficiencies of natural and synthetic progesterones in hospital wastewater treated by different disinfection processes

Journal Article