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Sludge fermentation liquid addition attained advanced nitrogen removal in low C/N ratio municipal wastewater

Shengjie Qiu, Jinjin Liu, Liang Zhang, Qiong Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1318-x

Abstract: Abstract • Sludge fermentation liquid addition resulted in a high NAR of 97.4%. • Extra NH4+-N fromBiological nitrogen removal of wastewater with low COD/N ratio could be enhanced by the addition of wasted sludgefermentation liquid (SFL), but the performance is usually limited by the introducing ammonium.Stable short-cut nitrification was achieved after 46d and then anammox sludge was inoculated.

Keywords： Sludge fermentation liquid     Municipal wastewater     Advanced nitrogen removal     Short-cut nitrification     Partial    

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Evaluating the impact of sulfamethoxazole on hydrogen production during dark anaerobic sludge fermentation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1607-2

Abstract:

● SMX promotes hydrogen production from dark anaerobic sludge fermentation

Keywords： Sulfamethoxazole     Hydrogen production     Dark anaerobic fermentation     Waste activated sludge    

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New insights into different surfactants’ impacts on sludge fermentation: Focusing on the particular metabolic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1527-6

Abstract:

• The promoting effects for VFA generation follow the order of APG>SDBS>HTAB.

Keywords： Waste activated sludge (WAS)     Volatile fatty acids (VFA)     Surfactant types     Functional microorganisms    

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Co-fermentation of waste activated sludge with food waste for short-chain fatty acids production: effect

Leiyu FENG, Yuanyuan YAN, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 623-632 doi: 10.1007/s11783-011-0334-2

Abstract: Effect of pH ranging from 4.0 to 11.0 on co-fermentation of waste activated sludge (WAS) with food wasteThe SCFAs production at pH 6.0, 7.0, 8.0, and 9.0 and fermentation time of 4 d was respectively 5022.7The influence of pH on the variations of nutrient content was also studied during anaerobic fermentationThe release of increased with fermentation time at all pH values investigated except 4.0, 5.0 and inAmmonia and phosphorus need to be removed before the SCFAs-enriched fermentation liquid from WAS and

Keywords： waste activated sludge (WAS)     food waste     co-fermentation     short-chain fatty acids (SCFAs)     pH     synergistic    

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Acidogenic sludge fermentation to recover soluble organics as the carbon source for denitrification inwastewater treatment: Comparison of sludge types

Lin Lin, Ying-yu Li, Xiao-yan Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1043-x

Abstract:

CEPS sludge was compared with conventional primary and secondarysludge for the VFAs yield.

Fe-based CEPS sludge exhibited the highest efficiency

Fermented CEPS sludge liquor provided a sufficientfermentation.

Keywords： Sewage sludge     Chemically enhanced primary sedimentation (CEPS)     Acidogenic fermentation     Organic carbon    

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High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1364-4

Abstract:

• High-solid anaerobic digestion (HS-AD) of sewage sludge (SS) is overviewed

Keywords： High-solid effect     Anaerobic fermentation     Methane production     Biodegradability     Sludge treatment    

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Upgrading VFAs bioproduction from waste activated sludge via co-fermentation with soy sauce residue

Yanqing Duan, Aijuan Zhou, Kaili Wen, Zhihong Liu, Wenzong Liu, Aijie Wang, Xiuping Yue

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1086-7

Abstract:

SSR addition upgraded VFAs production from WAS.

Structure modification by pretreatments led to performance distinctions.

Distinctions in microbial community was observed by pretreatments selection.

Up to 0.49‒0.65 billion €/year of market value potential was preliminary estimated.

Keywords： Waste activated sludge (WAS)     Soy sauce residue (SSR)     Sludge conditioning     Volatile fatty acids (VFAs)    

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Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentation

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1226-0

Abstract: The fermentation process is proposed as a pretreatment to improve AGS stability.The influences of flow patterns (mixed-flow and plug-flow) and fermentation pretreatment on aerobic granularsludge (AGS) formation with various substrate availability levels were investigated by running fourAn acidogenic up-flow sludge bed reactor was introduced as a pretreatment to improve the AGS performanceby enhancing glucose pre-fermentation (R4).

Keywords： Anaerobic plug-flow feeding mode     Anaerobic mixed-flow mode     Fermentation pretreatment     Substrate gradient    

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Machine learning enabled prediction and process optimization of VFA production from riboflavin-mediated sludgefermentation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1735-8

Abstract: List>

● Data-driven approach was used to simulate VFA production from WAS fermentation

Keywords： Machine learning     Volatile fatty acids     Riboflavin     Waste activated sludge     eXtreme Gradient Boosting    

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Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (low dissolved oxygen) sequencing batch reactors

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 490-499 doi: 10.1007/s11783-010-0248-4

Abstract: cultured’ respectively with a single municipal wastewater sample, sodium acetate, and a waste-activated sludgealkaline fermentation liquid as the additional carbon sources of real wastewater.

Keywords： dissolved oxygen)     nitrous oxide (N2O) emitting rate     municipal wastewater     waste activated sludge     alkaline fermentation liquid    

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Thermal Hydrolysis of Wastewater Sludge Followed by Fungal Fermentation for Organic Recovery and Hyphae Article

Jia-jin Liang, Bing Li, Lei Wen, Ruo-hong Li, Xiao-yan Li

Engineering 2021, Volume 7, Issue 2,   Pages 203-211 doi: 10.1016/j.eng.2020.09.002

Abstract:

Wastewater sludge creates a difficult environmental problem for many large cities.thermal hydrolysis, fungal fermentation, and anaerobic digestion.Fungal fermentation of the hydrolyzed sludge liquor with Aspergillus niger converted the waste organicsCombining fungal fermentation and anaerobic digestion, the overall organic utilization efficiency canexceed 75% for the liquor of sludge treated at 160 °C.

Keywords： Wastewater sludge     Thermal hydrolysis     Fungal fermentation     Hyphae fibers     Anaerobic digestion     Sludge    

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Continuous biohydrogen production from diluted molasses in an anaerobic contact reactor

Sheng CHANG, Jianzheng LI, Feng LIU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 140-148 doi: 10.1007/s11783-010-0258-2

Abstract: After increasing the VLR to 28 kgCOD·m ·d and discharging the sludge for 6 consecutive times, the hydrogentrophicThe results showed that a stable ethanol-type fermentation that favored hydrogen production in the reactorwas thus established with the sludge loading rate (SLR) of 2.0–2.5 kgCOD·kgMLVSS ·d .It was found that the ethanol increased more than other liquid fermentation products, and the ethanol

Keywords： fermentative hydrogen production     anaerobic contact reactor (ACR)     sludge loading rate (SLR)     butyric acid-typefermentation     ethanol-type fermentation    

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Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 8-14 doi: 10.1007/s11783-008-0030-z

Abstract: Temperature is the determining factor of pyrolysis, which is one of the alternative technologies for oil sludgeThe effects of final operating temperature ranging from 350 to 550°C on pyrolysis products of oil sludgeThe mass and energy tend to shift from solid to liquid and gas phase (especially to liquid phase) duringthe process, and the optimum temperature for oil sludge pyrolysis is 500°C.The liquid phase is mainly composed of alkane and alkene (C–C), and the gas phase is dominantly HC and

Keywords： sludge treatment     corresponding     Temperature     liquid     process    

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Effect of illumination on the hydrogen-production capability of anaerobic activated sludge

Guochen ZHENG, Jianzheng LI, Feng ZHAO, Liguo ZHANG, Li WEI, Qiaoying BAN, Yongsheng ZHAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 125-130 doi: 10.1007/s11783-011-0384-5

Abstract: hydrogen production system, the hydrogen production efficiencies of two kinds of anaerobic activated sludgeThe 10 mL floc sludge or granular sludge was respectively inoculated to 100 mL diluted molasses (chemicalUnder dark condition, the hydrogen yield of floc sludge reached the highest with the specific hydrogenThe results demonstrated that the illumination may affect the dehydrogenase activity of sludge as well

Keywords： biohydrogen production     dark fermentation     anaerobic activated sludge     light     dehydrogenase    

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Simultaneous saccharification and fermentation of wheat bran flour into ethanol using coculture of amylotic

K. Manikandan, T. Viruthagiri

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 240-249 doi: 10.1007/s11705-009-0205-6

Abstract: Studies on simultaneous saccharification and fermentation (SSF) of wheat bran flour, a grain millingcarried out with strains of starch digesting and nonstarch digesting and sugar fermenting in batch fermentation( / ) initial starch concentration gave the highest ethanol concentration of 23.1 g/L after 48 h of fermentationSimultaneous saccharificiation and fermentation of liquefied wheat bran starch to bioethanol was studied

Keywords： simultaneous saccharification and fermentation (SSF)     starch     coculture fermentation     statistical experimental    

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Title Author Date Type Operation

Sludge fermentation liquid addition attained advanced nitrogen removal in low C/N ratio municipal wastewater

Shengjie Qiu, Jinjin Liu, Liang Zhang, Qiong Zhang, Yongzhen Peng

Journal Article

Evaluating the impact of sulfamethoxazole on hydrogen production during dark anaerobic sludge fermentation

Journal Article

New insights into different surfactants’ impacts on sludge fermentation: Focusing on the particular metabolic

Journal Article

Co-fermentation of waste activated sludge with food waste for short-chain fatty acids production: effect

Leiyu FENG, Yuanyuan YAN, Yinguang CHEN

Journal Article

Acidogenic sludge fermentation to recover soluble organics as the carbon source for denitrification inwastewater treatment: Comparison of sludge types

Lin Lin, Ying-yu Li, Xiao-yan Li

Journal Article

High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Journal Article

Upgrading VFAs bioproduction from waste activated sludge via co-fermentation with soy sauce residue

Yanqing Duan, Aijuan Zhou, Kaili Wen, Zhihong Liu, Wenzong Liu, Aijie Wang, Xiuping Yue

Journal Article

Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentation

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Journal Article

Machine learning enabled prediction and process optimization of VFA production from riboflavin-mediated sludgefermentation

Journal Article

Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (low dissolved oxygen) sequencing batch reactors

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Journal Article

Thermal Hydrolysis of Wastewater Sludge Followed by Fungal Fermentation for Organic Recovery and Hyphae

Jia-jin Liang, Bing Li, Lei Wen, Ruo-hong Li, Xiao-yan Li

Journal Article

Continuous biohydrogen production from diluted molasses in an anaerobic contact reactor

Sheng CHANG, Jianzheng LI, Feng LIU

Journal Article

Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Journal Article

Effect of illumination on the hydrogen-production capability of anaerobic activated sludge

Guochen ZHENG, Jianzheng LI, Feng ZHAO, Liguo ZHANG, Li WEI, Qiaoying BAN, Yongsheng ZHAO

Journal Article

Simultaneous saccharification and fermentation of wheat bran flour into ethanol using coculture of amylotic

K. Manikandan, T. Viruthagiri

Journal Article