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Comparison of exogenous degrader-enhanced bioremediation with low-dose persulfate oxidation for polycyclic aromatic hydrocarbon removal in alkaline soil:efficiency and influence on ecological health

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Frontiers of Environmental Science & Engineering 2023年第11期17卷 157-168页

作者： Zhuoyue Yang Zuotao zhang Yiwei Zuo Jing zhang panyue zhang Beijing Key Laboratory for Source Control Technology of Water Pollution College of Environmental Science&EngineeringBeijing Forestry UniversityBeijing 100091China School of Environment Tsinghua UniversityBeijing 100084China Beijing 101 Middle School Beijing 100091China

Polycyclic aromatic hydrocarbon(PAH)-contaminated soils are usually complex and characterized by a lack of nutrition and soil salinization,resulting in difficulties in soil *** this study,bioaugmentation with a PAH-degrading Bacillus PheN7(BA)and low-dose persulfate oxidation(PS),along with natural biodegradation,were utilized to remediate alkaline PAH-contaminated *** soil used in the study had a pH of 9.35,and the total PAH content was 568.8±31.0 mg/kg dry *** 42 d of remediation,the degradation efficiency of PAHs was 96.72%and 93.88%using persulfate oxidation and bioaugmentation,respectively,whereas 38.66%of PAHs were degraded in natural attenuation(NA).Bacillus was the dominant genera throughout the process of bioremediation with the relative abundance of 79.3%on day 42 in the BA system,whereas,Alcanivorax was enriched and became the dominant genera in PS *** the meantime,PAH degradation genes were detected with remarkably higher level in the BA system than in PS system during the *** addition to the degradation of contaminants,persulfate oxidation promotes microbial bioremediation efficiency mainly by lowering the pH to neutral and increasing the active phosphorus content in the *** species and ecological niches were less reduced in the PS system than in the BA ***,persulfate oxidation had a better impact on the soil microbiome and is more suitable for long-term soil health than bioaugmentation through PheN7 addition.

关键词： Bioaugmentation Low-dose persulfate oxidation Polycyclic aromatic hydrocarbon Remediation

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Enhancement of sludge gravitational thickening with weak ultrasound

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Frontiers of Environmental Science & Engineering 2012年第5期6卷 753-760页

作者： panyue zhang Tian WAN Guangming zhang School of Environment Science and Engineering Hunan UniversityChangsha 410082China State Key Laboratory of Urban Water Resource and Environment Harbin Institute of TechnologyHarbin 150090China

Gravitational thickening is the prevailing method to reduce sludge volume but the process is slow and usually requires addition of polyelectrolyte（s）. This paper investigated the potential benefits of sonication on enhancing the sludge gravitational thickening with very low energy dose, so called ＂weak ultrasound＂. Results showed that weak sonication significantly changed the sludge settlability and the main mechanism was release of the loosely bounded extracellular polymeric substances. The changes in sludge behaviors by sonication were strongly influenced by power density and sonication duration. Lower sound frequency was slightly better than higher frequency. Weak sonication （〈 680 ***1 DS） improved the sludge gravitational thickening while high ultrasonic energy deteriorated the process. Considering both the sludge thickening efficiency and energy con- sumption the optimum conditions were 0.15 W. mL-l, 7 s, and 25 kHz. Under such conditions, the energy dose was only 155 ***-1 DS, much lower than literature reports, and the sludge settling time was shortened from 24 h to 12 h. Weak sonication could substitute expensive poly- electrolyte coagulant for sludge thickening. Combination of weak sonication and polyelectrolyte could further reduce the settling time to 6 h. The final water content of the thickened sludge was not changed after sonication or polyelectrolyte addition.

关键词： activated sludge sonication settlability dryweight extracellular polymeric substances polyelectrolyte

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Sewage sludge disintegration by high-pressure homogenization: A sludge disintegration model

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Journal of Environmental Sciences 2012年第5期24卷 814-820页

作者： Yuxuan zhang panyue zhang panyue_zhang@*** Boqiang Ma Hao Wu Sheng zhang Xin Xu Beijing Key Laboratory for Source Control Technology of Water Pollution Beijing Forestry University Beijing 100083 China

High-pressure homogenization （HPH） technology was applied as a pretreatment to disintegrate sewage sludge. The effects of homogenization pressure, homogenization cycle number, and total solid content on sludge disintegration were investigated. The sludge disintegration degree （DDCOD）, protein concentration, and polysaccharide concentration increased with the increase of homogenization pressure and homogenization cycle number, and decreased with the increase of sludge total solid （TS） content. The maximum DDCOD of 43.94% was achieved at 80 MPa with four homogenization cycles for a 9.58 g/L TS sludge sample. A HPH sludge disintegration model of DDCOD= kNaPb was established by multivariable linear regression to quantify the effects of homogenization parameters. The homogenization cycle exponent a and homogenization pressure exponent b were 0.4763 and 0.7324 respectively, showing that the effect of homogenization pressure （P） was more significant than that of homogenization cycle number （N）. The value of the rate constant k decreased with the increase of sludge total solid content. The specific energy consumption increased with the increment of sludge disintegration efficiency. Lower specific energy consumption was required for higher total solid content sludge.

关键词： high-pressure homogenization sludge disintegration homogenization pressure homogenization cycle number total solid content

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Enhancement of ultrasonic disintegration of sewage sludge by aeration

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Journal of Environmental Sciences 2016年第4期28卷 163-167页

作者： He Zhao panyue zhang Guangming zhang Rong Cheng School of Environment and Natural Resource Renmin University of China College of Environmental Science and Engineering Beijing Forestry University

Sonication is an effective way for sludge disintegration,which can significantly improve the efficiency of anaerobic digestion to reduce and recycle use of *** high energy consumption limits the wide application of *** order to improve ultrasonic sludge disintegration efficiency and reduce energy consumption,aeration was *** showed that sludge disintegration efficiency was improved significantly by combining aeration with *** aeration flow rate,gas bubble size,ultrasonic density and aeration timing had impacts on sludge disintegration *** that used in later stage of ultrasonic irradiation with low aeration flow rate,small gas bubbles significantly improved ultrasonic disintegration sludge *** the optimal conditions of 0.4 W/m L ultrasonic irradiation density,30 m L/min of aeration flow rate,5 min of aeration in later stage and small gas bubbles,ultrasonic sludge disintegration efficiency was increased by 45% and one third of ultrasonic energy was *** approach will greatly benefit the application of ultrasonic sludge disintegration and strongly promote the treatment and recycle of wastewater sludge.

关键词： Aeration Ultrasonic sludge disintegration Gas bubble size Ultrasonic irradiation density Ultrasonic irradiation stages

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Feasibility of bioleaching combined with Fenton oxidation to improve sewage sludge dewaterability

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Journal of Environmental Sciences 2015年第2期27卷 37-42页

作者： Changgeng Liu panyue zhang Chenghua Zeng Guangming Zeng Guoyin Xu Yi Huang School of Resources and Environmental Engineering Panzhihua University Key Laboratory of Environmental Biology and Pollution Control (Hunan University) Ministry of Education College of Environmental Science and Engineering Hunan University

A novel joint method of bioleaching with Fenton oxidation was applied to condition sewage sludge. The specific resistance to filtration（SRF） and moisture of sludge cake（MSC） were adopted to evaluate the improvement of sludge dewaterability. After 2-day bioleaching, the sludge p H dropped to about 2.5 which satisfied the acidic condition for Fenton ***, the SRF declined from 6.45 × 1010 to 2.07 × 1010s2/g, and MSC decreased from91.42% to 87.66%. The bioleached sludge was further conditioned with Fenton oxidation. From an economical point of view, the optimal dosages of H2O2 and Fe2＋were 0.12 and 0.036 mol/L,respectively, and the optimal reaction time was 60 min. Under optimal conditions, SRF,volatile solids reduction, and MSC were 3.43 × 108s2/g, 36.93%, and 79.58%, respectively. The stability and settleability of sewage sludge were both improved significantly. Besides,the results indicated that bioleaching-Fenton oxidation was more efficient in dewatering the sewage sludge than traditional Fenton oxidation. The sludge conditioning mechanisms by bioleaching-Fenton oxidation might mainly include the flocculation effects and the releases of extracellular polymeric substances–bound water and intercellular water.

关键词： Sewage sludge Bioleaching Fenton oxidation Dewaterabilty

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Overview of key operation factors and strategies for improving fermentative volatile fatty acid production and product regulation from sewage sludge

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Journal of Environmental Sciences 2020年第1期32卷 93-111页

作者： Wei Fang Xuedong zhang panyue zhang Jijun Wan Hongxiao Guo Dara S.M.Ghasimi Xavier Carol Morera Tao zhang State Key Laboratory of Environmental Aquatic Chemistry Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China School of Environmental Science and Engineering Beijing Forestry UniversityBeijing 100083China Department of Water Management Section Sanitary EngineeringDelft University of TechnologyPO Box 50482600 GA Delftthe Netherlands Department of Civil Engineering University of Kurdistan HewlerErbilKurdistan RegionIraq Institut Quimic de Sarria Uniuersitat Ramon LlullVia Augusta 390E-08017 BarcelonaSpain Key Laboratory of Northwest Water Resource Environment and EcologyMOEXi'an University of Architecture and TechnologyXi'an 710055China

In recent years,volatile fatty acid(VFA)production through anaerobic fermentation of sewage sludge,instead of methane production,has been regarded as a high-value and promising roadmap for sludge stabilization and resource *** review first presents the effects of some essential factors that influence VFA production and *** the second part,we present an extensive analysis of conventional pretreatment and co-fermentation strategies ultimately addressed to improving VFA production and ***,the effectiveness of these approaches is summarized in terms of sludge degradation,hydrolysis rate,and VFA production and *** to published studies,it is concluded that some pretreatments such as alkaline and thermal pretreatment are the most effective ways to enhance VFA production from sewage *** possible reasons for the improvement of VFA production by different methods are also ***,this review also highlights several current technical challenges and opportunities in VFA production with spectrum control,and further related research is proposed.

关键词： Sewage sludge Anaerobic digestion VFA production Pretreatment Co-fermentation

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Electrochemical dual-oxidation strategy enables access toα-chlorosulfoxides from sulfides

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Science Bulletin 2022年第1期67卷 79-84,M0004页

作者： Huamin Wang Mingming Yu panyue zhang Hao Wan Hengjiang Cong Aiwen Lei The Institute for Advanced Studies(IAS) College of Chemistry and Molecular SciencesWuhan UniversityWuhan 430072China Department of Chemical and Materials Engineering King Abdulaziz UniversityJeddah 21589Saudi Arabia National Research Center for Carbohydrate Synthesis Jiangxi Normal UniversityNanchang 330022China

Electrochemistry contributes a strong tool for the manufacture of molecules,addressing intractable challenges in synthetic chemistry by enabling innovative reaction ***,a bifunctional reagent,aqueous hydrochloric acid,is used to establish an electrochemical selective dual-oxidation approach that gives access toα-chlorosulfoxides from *** strategy presents broad substrate scope,high diastereoselectivity,and *** late-stage modification of amino acids and pharmaceutical derivatives further highlights the ***,detailed mechanistic studies reveal that the key success for this selective chemical transformation is the dual-oxidation process at the *** electrochemical dual-oxidation strategy may have wide universality;we anticipate diverse applications of this protocol across the many fields of chemistry.

关键词： Dual-oxidation Diastereoselectivity Sulfur-containing compounds Electrochemistry Regioselectivity

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基于多目标不确定性机会约束规划的矿区水资源配置研究

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水资源与水工程学报 2022年第5期33卷 53-61页

作者：张真张光明张盼月中国人民大学环境学院北京100872 河北工业大学能源与环境工程学院天津300401 北京林业大学环境科学与工程学院北京100083

以矿区水资源配置系统为研究对象,针对矿区生态恢复过程水资源配置的多目标、模糊、不确定性的特点,构建多目标不确定性机会约束规划模型对矿区水资源进行优化配置。基于生态优先的配水原则,以碳排放最小化目标代替传统的污染物排放量... 详细信息

以矿区水资源配置系统为研究对象,针对矿区生态恢复过程水资源配置的多目标、模糊、不确定性的特点,构建多目标不确定性机会约束规划模型对矿区水资源进行优化配置。基于生态优先的配水原则,以碳排放最小化目标代替传统的污染物排放量最小化目标,兼顾碳排放最小化、系统经济效益最大化以及缺水量最小化,建立矿区生态环境-经济社会-水资源协调发展的多目标模型,统筹分配地下水、地表水、矿井水以及再生水。对实际情况中的不确定性因素采用区间参数的方法表示,并通过遗传算法对模型进行求解,得到合理的水资源配置方案。将模型应用于宁夏回族自治区羊场湾矿区,结果表明:以碳排放为目标的不确定性机会约束规划多目标模型能够很好地统筹矿区经济发展目标与水资源节约目标,配置方案可保证各个用水部门的需水满足度达到100%,而以污染物排放量为目标的优化方案存在区域缺水的情况。系统可带来年碳净吸收量(CO_(2))为533.7~702.4 t,预期年经济效益为162.3×10^(4)~163.7×10^(4)元,区域年供水富余量为43.5×10^(4)~49.7×10^(4) m^(3)。研究结果一方面可为羊场湾矿区尽快实现绿色矿山提供理论支撑,另一方面也可为其他干旱地区煤矿区的水资源配置和规划提供参考。

关键词：多目标不确定性机会约束规划遗传算法矿区水资源配置碳排放矿区生态恢复

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铁改性生物炭对啤酒废水厌氧消化产甲烷的促进作用研究

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材料导报 2018年第20期32卷 3634-3637,3653页

作者：叶俊沛张盼月仙光张光明中国矿业大学(北京)煤炭资源与安全开采国家重点实验室北京100083 北京林业大学环境科学与工程学院北京100083 中国人民大学环境学院北京100872

啤酒生产过程中产生的大量高COD废水必需经过有效处理,达到标准后才能排放或二次循环利用。本研究以固体废弃物杨木木屑作为原料,经过载铁改性后,在550℃条件下热解,制备了铁改性生物炭(Fe/C)和未改性生物炭(BC),研究了它们对啤酒废水... 详细信息

啤酒生产过程中产生的大量高COD废水必需经过有效处理,达到标准后才能排放或二次循环利用。本研究以固体废弃物杨木木屑作为原料,经过载铁改性后,在550℃条件下热解,制备了铁改性生物炭(Fe/C)和未改性生物炭(BC),研究了它们对啤酒废水厌氧消化产甲烷的影响。实验结果表明,BC和Fe/C能够明显将产甲烷迟滞期缩短33%。BC和Fe/C的产甲烷对数期分别为40h和14h,虽然BC产气对数期比Fe/C长,但Fe/C在对数期的产甲烷速率明显高于BC,因此Fe/C的甲烷产量明显高于BC的甲烷产量。经过48h厌氧消化后,对比空白组,Fe/C和BC的最大产气量分别提高了81.36%和70.28%,说明Fe/C和BC能够明显促进啤酒废水产甲烷。傅里叶红外转换光谱(FT-IR)表明,BC和Fe/C中脂肪烃官能团在厌氧消化前后发生明显偏移,同时生物炭对微生物具有吸附作用。XRD谱中,厌氧消化前后BC中无机相对应的峰位减弱,说明厌氧消化过程中生物炭中灰分溶出,这可能是BC对厌氧消化过程有促进作用的原因。Fe/C中铁氧化物等无机组分的存在,促进了厌氧消化过程。

关键词：铁改性生物炭啤酒废水厌氧消化

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固定化微生物技术在多环芳烃污染土壤修复中的应用

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环境工程技术学报 2024年第5期14卷 1617-1626页

作者：张静周南张盼月王慧张光明北京林业大学环境科学与工程学院清华大学环境学院河北工业大学能源与环境工程学院

固定化微生物技术是修复多环芳烃(PAHs)污染土壤有效且环保的方法之一。该技术通过保护微生物免受周围恶劣环境的影响,在PAHs污染场地修复中长时间保持功能微生物活性,克服传统微生物修复效率低、周期长等问题。主要介绍了我国土壤PAHs... 详细信息

固定化微生物技术是修复多环芳烃(PAHs)污染土壤有效且环保的方法之一。该技术通过保护微生物免受周围恶劣环境的影响,在PAHs污染场地修复中长时间保持功能微生物活性,克服传统微生物修复效率低、周期长等问题。主要介绍了我国土壤PAHs污染现状及常见的PAHs污染土壤微生物修复技术;从载体材料、降解菌及固定条件3个方面综述固定化微生物技术的研究现状以及影响固定化效果的重要因素;从土壤环境、微生物群落和吸附-降解过程分析PAHs污染土壤固定化微生物修复的作用机制;最后从载体材料、功能微生物、固定方法、评价体系、生态风险和实际应用6个方面,对固定化微生物技术在PAHs污染土壤修复中存在的问题进行总结并提出展望。

关键词：多环芳烃(PAHs) 固定化微生物土壤修复

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