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Investigate of in situ sludge reduction in sequencing batch biofilm reactor: Performances, mechanisms

Yonglei Wang, Baozhen Liu, Kefeng Zhang, Yongjian Liu, Xuexin Xu, Junqi Jia

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1077-0

Abstract:

Microbial metabolism uncoupling, sludge decay is the main mechanismto promote in situ sludge reduction on this biofilm system.

The main reduction mechanism inside the biofilmis sludge decay in the longitudinal distribution of biofilm.fermentation bacterium dominate the FSC organisms indicating the dominant mechanism on the biofilm is sludge

Keywords： In situ sludge reduction     Biofilm     Composite floating spherical carriers     Microbial community     SBBR    

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Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1807-1817 doi: 10.1007/s11705-022-2243-2

Abstract: Under the same reduction conditions (300 °C in H2), the catalytic activity of the non-in-situTherefore, an in-situ H2 reduction and moderate oxidation method was developed to increase H2 reduction and moderate oxidation (oxidized at 100 °C).The developed in-situ H2 reduction and moderate oxidation method eliminated the stepof the non-in-situ reduction of catalyst outside the trickle bed reactor.

Keywords： Ru/C catalyst     in-situ H2 reduction and moderate oxidation     in-situ reduction     non-in-situ reduction     hydrogenation of 3     5-dimethylpyridine    

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Organics Recovery from Waste Activated Sludge In-situ Driving Efficient Nitrogen Removal from Mature

Fangzhai Zhang,Shang Ren,Haoran Liang,Zhaozhi Wang,Ying Yan,Jiahui Wang,Yongzhen Peng,

Engineering doi: 10.1016/j.eng.2023.03.005

Abstract: The sustainable recovery and utilization of sludge bioenergy within a circular economy context has drawn(WAS) in-situ, driving efficient nitrogen removal from ammonia rich mature landfill leachateand the released organics are utilized by denitrifiers to drive NOx− reductionAn ultra-fast sludge reduction rate of 4.89 kg·m−3·d−1 and nitrogen removal ratereduction.

Keywords： Waste activated sludge     Bioresource recovery     Simultaneous treatment of wastewater and sludge     Mature landfill    

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Co-application of energy uncoupling and ultrafiltration in sludge treatment: Evaluations of sludge reduction

An Ding, Yingxue Zhao, Zhongsen Yan, Langming Bai, Haiyang Yang, Heng Liang, Guibai Li, Nanqi Ren

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1238-9

Abstract: Effects of metabolic uncouplers addition on sludge reduction were carried out.Energy uncoupling is often used for sludge reduction because it is easy to operate and does not requireAdditionally, due to low sludge concentrations and EPS contents, addition of 30–60 mg/L TCS during sludgereduction increased the permeate flux (two times higher than the control) and decreased the hydraulicreduction and sludge supernatant recovery.

Keywords： Sludge reduction     Energy uncoupling     Ultrafiltration membrane     Membrane fouling    

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Comparison of different valent iron on anaerobic sludge digestion: Focusing on oxidation reduction potential

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1514-3

Abstract:

• ORP value from −278.71 to −379.80 mV showed indiscernible effects on methane yield.

Keywords： Enhanced anaerobic sludge digestion     Different iron valence     Oxidation reduction potential     Dissolved    

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In situ DRIFTS study of photocatalytic CO 2 reduction under UV irradiation

Jeffrey C. S. WU, Chao-Wei HUANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 120-126 doi: 10.1007/s11705-009-0232-3

Abstract: Photocatalytic reduction of CO on TiO and Cu/TiO photocatalysts was studied by in situ diffuse reflectanceof reaction intermediates were found on the IR spectra, which were due to the slow photocatalytic CO reductionsignificantly increases the amount of formaldehyde and dioxymethylene, thus promotes the photoactivity of CO reductionA possible mechanism of the photocatalytic CO reduction is proposed based on these intermediates and

Keywords： irradiation     oxygen-vacancy     Photocatalytic reduction     Carbonate     butoxide    

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Biogenic palladium prepared by activated sludge microbes for the hexavalent chromium catalytic reduction

Luman Zhou, Chengyang Wu, Yuwei Xie, Siqing Xia

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1206-4

Abstract: • Pd nanoparticles could be reduced and supported by activated sludge microbes. • The effect of biomasson Pd adsorption by microbes is greater than Pd reduction. • More biomass reduces Pd particle size,study, Pd nanoparticles (PdNPs) were generated through enzymatic recovery by microbes of activated sludgeat various biomass/Pd, and further used for the Cr(VI) reduction.The results show that biomass had a strong adsorption capacity for Pd(II), which was 17.25 mg Pd/g sludge

Keywords： Palladium nanoparticles     Activated sludge     Hexavalent chromium    

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In situ electron-induced reduction of NO

Weixuan Zhao, Liping Lian, Xingpeng Jin, Renxi Zhang, Gang Luo, Huiqi Hou, Shanping Chen, Ruina Zhang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1199-z

Abstract: • An in situ electron-induced deNOx process with CNT activated by DBD was achieved. • Carbon atomsIn this study, a new in situ electron-induced process is presented with carbon nanotubes (CNTs) as areduction agent activated by dielectric barrier discharge (DBD) for nitrogen oxide (NOx) abatement atwere utilized to investigate surface changes in the CNTs after activation by DBD to explore the NOx reductionThe new deNOx process was accomplished through in situ heterogenetic reduction reactions between the
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Biotoxicity evaluation of zinc oxide nanoparticles on bacterial performance of activated sludge at COD, nitrogen, and phosphorus reduction

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1453-z

Abstract:

• ZnO-NP disrupted metabolic/catabolic balance of bacteria by affecting DHA activity.

Keywords： Granular sludge     Biotoxicity     Reactive oxygen species     Extracellular polymeric substances    

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Challenge of biodiesel production from sewage sludge catalyzed by KOH, KOH/activated carbon, and KOH/

Xuemin Wu,Fenfen Zhu,Juanjuan Qi,Luyao Zhao,Fawei Yan,Chenghui Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0913-y

Abstract: considerable compounds content, abundance, and low costs involved has led to the proposal to use sewage sludgeIn this study, we utilize in situ transesterification by base catalyst (KOH, KOH/activated carbon (AC) and KOH/CaO) with sewage sludge as raw material., the three catalysts did not work better than H SO , which had a maximum yield of 4.6% (dry sewage sludge

Keywords： Biodiesel     Sewage sludge     Base catalyst     In situ transesterification    

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Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis

Kun OUYANG, Yu HUANG, Haoyi CHEN, Tao LI, Fahai CAO, Dingye FANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 67-73 doi: 10.1007/s11705-010-0541-6

Abstract: reforming (APR) and catalytic hydrogenation of glycerol, a novel reaction system of liquid phase in situreforming reaction; the hydrogen generated from the APR of glycerol can be quickly transformed to the in situ

Keywords： glycerol     aqueous-phase reforming     1     3-propanediol     in-situ reduction    

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Metabolic uncoupler, 3,3′,4′,5-tetrachlorosalicylanilide addition for sludge reduction and fouling control

An Ding, Yingxue Zhao, Huu Hao Ngo, Langming Bai, Guibai Li, Heng Liang, Nanqi Ren, Jun Nan

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1275-4

Abstract: . • Sludge EPS reduced and transformed into dissolved SMP when TCS was added. • Appropriate TCS increased(sludge discharge).Based on the results, TCS addition effectively decreased sludge ATP and sludge yield (reduced by 50%)Permeability decreased at high dosage (50 mg/L) due to the release of excess sludge fragments and SMPlayers at different dosages, with practical relevance for in situ sludge reduction and membrane fouling

Keywords： Gravity-driven membrane (GDM)     Energy uncoupling     Permeability     Sludge reduction     Membrane fouling     Fouling    

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Niche Differentiation of Phenol-Degrading Microorganisms in UASB Granular Sludge as Revealed by Fluorescencein situ Hybridization Article

Kengo Kubota, Kei Igarashi, Masayoshi Yamada, Yasuyuki Takemura, Yu-You Li, Hideki Harada

Engineering 2022, Volume 9, Issue 2,   Pages 61-66 doi: 10.1016/j.eng.2021.05.012

Abstract:

A microbial community structure of granules harvested from an anaerobic sludge blanket reactor treatingphenolic wastewater was investigated using fluorescence in situ hybridization (FISH) and clone libraryPhenol degradation in the granular sludge was observed to be carried out in the following way.

Keywords： Cryptanaerobacter     Fluorescence     in situ     hybridization     Anaerobic phenol degradation     Syntrophorhabdaceae     Syntrophus     UASB granular sludge    

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Safe Disposal and Resource Recovery of Urban Sewage Sludge in China

Dai Xiaohu , Hou Li’an , Zhang Linwei , Zhang lin , Yang Donghai

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 145-153 doi: 10.15302/J-SSCAE-2022.05.017

Abstract:

As a by-product of wastewater treatment, sludge has dual attributes ofProper disposal of sludge is significant for reducing pollution and carbon emissions in sewage treatmentThe sludge treatment in China has shifted from emphasis on wastewater treatment over sludge treatmentto equal emphasis on sludge and wastewater treatment, and the technologies and standards system haveIn this paper, we reviewed the current status of slug treatment in China from the aspects of urban sludge

Keywords： sewage sludge     sludge treatment     pollution control     resource recovery     reduction of pollution and carbon    

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Feasibility assessment of up-flow anaerobic sludge blanket treatment of sulfamethoxazole pharmaceutical

Yi Chen, Shilong He, Mengmeng Zhou, Tingting Pan, Yujia Xu, Yingxin Gao, Hengkang Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1069-0

Abstract:

The UASB system successfully treated sulfamethoxazole pharmaceutical wastewater.

High concentration sulfate of this wastewater was the main refractory factor.

UASB recovery performance after a few days of inflow arrest was studied.

The optimal UASB operating conditions for practical application were determined.

Keywords： Up-flow anaerobic sludge blanket (UASB)     Methane production     Sulfate reduction     Sulfamethoxazole pharmaceutical    

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Title Author Date Type Operation

Investigate of in situ sludge reduction in sequencing batch biofilm reactor: Performances, mechanisms

Yonglei Wang, Baozhen Liu, Kefeng Zhang, Yongjian Liu, Xuexin Xu, Junqi Jia

Journal Article

Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in

Journal Article

Organics Recovery from Waste Activated Sludge In-situ Driving Efficient Nitrogen Removal from Mature

Fangzhai Zhang,Shang Ren,Haoran Liang,Zhaozhi Wang,Ying Yan,Jiahui Wang,Yongzhen Peng,

Journal Article

Co-application of energy uncoupling and ultrafiltration in sludge treatment: Evaluations of sludge reduction

An Ding, Yingxue Zhao, Zhongsen Yan, Langming Bai, Haiyang Yang, Heng Liang, Guibai Li, Nanqi Ren

Journal Article

Comparison of different valent iron on anaerobic sludge digestion: Focusing on oxidation reduction potential

Journal Article

In situ DRIFTS study of photocatalytic CO 2 reduction under UV irradiation

Jeffrey C. S. WU, Chao-Wei HUANG,

Journal Article

Biogenic palladium prepared by activated sludge microbes for the hexavalent chromium catalytic reduction

Luman Zhou, Chengyang Wu, Yuwei Xie, Siqing Xia

Journal Article

In situ electron-induced reduction of NO

Weixuan Zhao, Liping Lian, Xingpeng Jin, Renxi Zhang, Gang Luo, Huiqi Hou, Shanping Chen, Ruina Zhang

Journal Article

Biotoxicity evaluation of zinc oxide nanoparticles on bacterial performance of activated sludge at COD, nitrogen, and phosphorus reduction

Journal Article

Challenge of biodiesel production from sewage sludge catalyzed by KOH, KOH/activated carbon, and KOH/

Xuemin Wu,Fenfen Zhu,Juanjuan Qi,Luyao Zhao,Fawei Yan,Chenghui Li

Journal Article

Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis

Kun OUYANG, Yu HUANG, Haoyi CHEN, Tao LI, Fahai CAO, Dingye FANG

Journal Article

Metabolic uncoupler, 3,3′,4′,5-tetrachlorosalicylanilide addition for sludge reduction and fouling control

An Ding, Yingxue Zhao, Huu Hao Ngo, Langming Bai, Guibai Li, Heng Liang, Nanqi Ren, Jun Nan

Journal Article

Niche Differentiation of Phenol-Degrading Microorganisms in UASB Granular Sludge as Revealed by Fluorescencein situ Hybridization

Kengo Kubota, Kei Igarashi, Masayoshi Yamada, Yasuyuki Takemura, Yu-You Li, Hideki Harada

Journal Article

Safe Disposal and Resource Recovery of Urban Sewage Sludge in China

Dai Xiaohu , Hou Li’an , Zhang Linwei , Zhang lin , Yang Donghai

Journal Article

Feasibility assessment of up-flow anaerobic sludge blanket treatment of sulfamethoxazole pharmaceutical

Yi Chen, Shilong He, Mengmeng Zhou, Tingting Pan, Yujia Xu, Yingxin Gao, Hengkang Wang

Journal Article