Influence of NaOH and thermal pretreatment on dewatered activated sludge solubilisation and subsequent anaerobic digestion: Focused on high-solid state.


:In this study, the influence of NaOH and thermal pretreatment of dewatered activated sludge (DAS) on the high-solid solubilisation and anaerobic digestion was separately investigated by monitoring common parameters. The results indicated that COD, proteins and carbohydrates were efficiently solubilised in both NaOH and thermal pretreated DAS samples. For NaOH pretreatment, the concentrations of volatile fatty acids (VFAs) and total ammonium nitrogen (TAN) firstly increased followed by decreasing with NaOH dose increasing. However, they decreased with the severity of thermal pretreatment. During the batch digestion experiments (at 37°C), for 80mg NaOHg(-1) total solid (TS) DAS pretreatment it resulted in a 6.99% decrease in cumulative methane yield (CMY) compared to untreated DAS. While for 80, 100, 120°C and 20mg NaOH pretreatment, CMY increased by 15%, 42%, 71% and 35%, respectively, in comparison to untreated DAS.


Bioresour Technol


Bioresource technology


Zhang S,Guo H,Du L,Liang J,Lu X,Li N,Zhang K




Has Abstract


2015-06-01 00:00:00












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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Dahiya S,Sarkar O,Swamy YV,Venkata Mohan S

    更新日期:2015-04-01 00:00:00

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Mohanakrishna G,Abu-Reesh IM,Kondaveeti S,Al-Raoush RI,He Z

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Sun XF,Wang SG,Liu XW,Gong WX,Bao N,Gao BY,Zhang HY

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Lafratta M,Thorpe RB,Ouki SK,Shana A,Germain E,Willcocks M,Lee J

    更新日期:2020-08-01 00:00:00

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Han R,Ding D,Xu Y,Zou W,Wang Y,Li Y,Zou L

    更新日期:2008-05-01 00:00:00

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Abdelhamid MT,Horiuchi T,Oba S

    更新日期:2004-06-01 00:00:00

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Alvarez JA,Otero L,Lema JM

    更新日期:2010-02-01 00:00:00

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    pub_type: 杂志文章


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    更新日期:2012-11-01 00:00:00

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Cadena PG,Jeronimo RA,Melo JM,Silva RA,Lima Filho JL,Pimentel MC

    更新日期:2010-03-01 00:00:00

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    authors: An Y,Tahmasebi A,Zhao X,Matamba T,Yu J

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    authors: Alexandri M,Papapostolou H,Stragier L,Verstraete W,Papanikolaou S,Koutinas AA

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    pub_type: 杂志文章


    authors: Mondor M,Masse L,Ippersiel D,Lamarche F,Massé DI

    更新日期:2008-10-01 00:00:00

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Ravi PP,Lindner J,Oechsner H,Lemmer A

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    journal_title:Bioresource technology

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    更新日期:2014-02-01 00:00:00

  • Reduction of Fe(III)EDTA by Klebsiella sp. strain FD-3 in NOx scrubber solutions.

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    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Zhou Z,Jing G,Zheng X

    更新日期:2013-03-01 00:00:00

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    pub_type: 杂志文章


    authors: Long J,Song H,Jun X,Sheng S,Lun-Shi S,Kai X,Yao Y

    更新日期:2012-07-01 00:00:00

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    authors: Lama S,Muylaert K,Karki TB,Foubert I,Henderson RK,Vandamme D

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    journal_title:Bioresource technology

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    authors: Manu B,Chaudhari S

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    authors: Tarango Rivero SH,Nevárez Moorillón VG,Orrantia Borunda E

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    journal_title:Bioresource technology

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    authors: Batan LY,Graff GD,Bradley TH

    更新日期:2016-11-01 00:00:00

  • Municipal solid waste management through vermicomposting employing exotic and local species of earthworms.

    abstract::A comparative study was conducted between exotic and local (epigeic--Eisenia fetida and anaecic--Lempito mauritii, respectively) species of earthworms for the evaluation of their efficacy in vermicomposting of municipal solid waste (MSW). Vermicomposting of MSW for 42 days resulted in significant difference between th...

    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Kaviraj,Sharma S

    更新日期:2003-11-01 00:00:00

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    abstract::Pretreatment of lignocellulosic biomass to overcome its intrinsic recalcitrant nature prior to the production of valuable chemicals has been studied for nearly 200 years. Research has targeted eco-friendly, economical and time-effective solutions, together with a simplified large-scale operational approach. Commonly u...

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    pub_type: 杂志文章,评审


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    abstract::This research investigated the calcium effect on the anaerobic treatment of fresh leachate in an expanded granular sludge bed (EGSB) bioreactor under mesophilic conditions. The observations show that the bioreactor, inoculated with anaerobic granular sludge, can be started up only in about 40 days for the treatment of...

    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Liu J,Hu J,Zhong J,Luo J,Zhao A,Liu F,Hong R,Qian G,Xu ZP

    更新日期:2011-05-01 00:00:00

  • Purification of nitrate-rich agricultural runoff by a hydroponic system.

    abstract::The purification of nitrate-rich agricultural runoff by a floating-raft (FR) hydroponic system was investigated at 3-, 2- and 1-d hydraulic retention times (HRTs) with particular emphasis on nitrogen conversion and removal through the system. The FR system has a dissolved oxygen (DO) environment similar to the horizon...

    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Yang Z,Zheng S,Chen J,Sun M

    更新日期:2008-11-01 00:00:00

  • Hydrothermal liquefaction of de-oiled Jatropha curcas cake using Deep Eutectic Solvents (DESs) as catalysts and co-solvents.

    abstract::Biomass liquefaction using ionic liquids (ILs) as catalysts has received appreciable attention, in renewable fuels and chemicals production, recently. However, issues associated with the production cost, long reaction time and use of volatile solvents are undeniably challenging. Thus, Deep Eutectic Solvents (DESs) eme...

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    pub_type: 杂志文章


    authors: Alhassan Y,Kumar N,Bugaje IM

    更新日期:2016-01-01 00:00:00

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    abstract::Due to the complex biogeochemistry of trace elements (TEs, e.g. Fe, Ni and Co) in anaerobic digestion processes, their role and fate is poorly understood. Challenging, time consuming and low detection limits of analytical procedures necessitate recruitment of mathematical models. A dynamic mathematical model based on ...

    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Maharaj BC,Mattei MR,Frunzo L,van Hullebusch ED,Esposito G

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    abstract::Consolidated bioprocessing (CBP) of lignocellulose by bacterial consortium for isopropanol production is considered as the most promising strategy. However, low utilization of xylan caused by the complex sidechain structure remains inhibit the conversion of full-biomass. In this study, isopropanol production from diff...

    journal_title:Bioresource technology

    pub_type: 杂志文章


    authors: Liu L,Yang J,Yang Y,Luo L,Wang R,Zhang Y,Yuan H

    更新日期:2019-11-01 00:00:00

  • Conversion of waste frying oil into biodiesel using recoverable nanocatalyst based on magnetic graphene oxide supported ternary mixed metal oxide nanoparticles.

    abstract::The magnetic graphene oxide (GO) supported with heterogeneous ternary mixed metal oxide (MMO) was used as nanocatalyst to enhance the conversion of waste frying oil (WFO) triglycerides to biodiesel via esterification process. In this regard, acidic MGO was modified with three basic metal cations of cerium, zirconium, ...

    journal_title:Bioresource technology

    pub_type: 杂志文章


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    更新日期:2020-12-28 00:00:00