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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

《环境科学与工程前沿（英文）》 2018年 第12卷 第5期 doi: 10.1007/s11783-018-1077-0

摘要：

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

The main reduction mechanism inside the biofilm is sludge decay in the longitudinal distribution of biofilm.

Mizugakiibacter and Azospira anaerobic fermentation bacterium dominate the FSC organisms indicating the dominant mechanism on the biofilm is sludge decay.

The floating spherical carriers with compound of the polyurethane and two fiber balls can effectively blocking suspended sludge, improving Biofilm formation efficiency significantly.

关键词： 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

《化学科学与工程前沿（英文）》 2022年 第16卷 第12期   页码 1807-1817 doi: 10.1007/s11705-022-2243-2

摘要： The Ru/C catalyst prepared by impregnation method was used for hydrogenation of 3,5-dimethylpyridine in a trickle bed reactor. Under the same reduction conditions (300 °C in H2), the catalytic activity of the non-in-situ reduced Ru/C-n catalyst was higher than that of the in-situ reduced Ru/C-y catalyst. Therefore, an in-situ H2 reduction and moderate oxidation method was developed to increase the catalyst activity. Moreover, the influence of oxidation temperature on the developed method was investigated. The catalysts were characterized by Brunauer–Emmett–Teller method, hydrogen temperature programmed reduction H2-TPR, hydrogen temperature-programmed dispersion (H2-TPD), X-ray diffraction, energy dispersive spectroscopy, X-ray photoelectron spectroscopy, Raman spectroscopy, O2 chemisorption and oxygen temperature-programmed dispersion (O2-TPD) analyses. The results showed that there existed an optimal Ru/RuOx ratio for the catalyst, and the highest 3,5-dimethylpyridine conversion was obtained for the Ru/C-i1 catalyst prepared by in-situ H2 reduction and moderate oxidation (oxidized at 100 °C). Excessive oxidation (200 °C) resulted in a significant decrease in the Ru/RuOx ratio of the in-situ H2 reduction and moderate oxidized Ru/C-i2 catalyst, the interaction between RuOx species and the support changed, and the hard-to-reduce RuOx species was formed, leading to a significant decrease in catalyst activity. The developed in-situ H2 reduction and moderate oxidation method eliminated the step of the non-in-situ reduction of catalyst outside the trickle bed reactor.

关键词： 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,

《工程（英文）》 doi: 10.1016/j.eng.2023.03.005

摘要： The sustainable recovery and utilization of sludge bioenergy within a circular economy context has drawn increasing attention, but there is currently a shortage of reliable technology. This study presents an innovative biotechnology based on free nitrous acid (FNA) to realize sustainable organics recovery from waste activated sludge (WAS) in-situ, driving efficient nitrogen removal from ammonia rich mature landfill leachate by integrating partial nitrification, fermentation, and denitrification process (PN/DN–F/DN). First, ammonia ((1708.5 ± 142.9) mg·L−1) in mature landfill leachate is oxidized to nitrite in the aerobic stage of a partial nitrification coupling denitrification sequencing batch reactor (PN/DN-SBR), with nitrite accumulation ratio of 95.4% ± 2.5%. Then, intermediate effluent (NO2−–N = (1196.9 ± 184.2) mg·L−1) of the PN/DN-SBR, along with concentrated WAS (volatile solids (VSs) = (15119.8 ± 2484.2) mg·L−1), is fed into an anoxic reactor for fermentation coupling denitrification process (F/DN-SBR). FNA, the protonated form of nitrite, degrades organics in the WAS to the soluble fraction by the biocidal effect, and the released organics are utilized by denitrifiers to drive NOx− reduction. An ultra-fast sludge reduction rate of 4.89 kg·m−3·d−1 and nitrogen removal rate of 0.46 kg·m−3·d−1 were realized in the process. Finally, F/DN-SBR effluent containing organics is refluxed to PN/DN-SBR for secondary denitrification in the post anoxic stage. After 175 d operation, an average of 19350.6 mg chemical oxygen demand organics were recovered per operational cycle, with 95.2% nitrogen removal and 53.4% sludge reduction. PN/DN–F/DN is of great significance for promoting a paradigm transformation from energy consumption to energy neutral, specifically, the total benefit in equivalent terms of energy was 291.8 kW·h·t−1 total solid.

关键词： Waste activated sludge     Bioresource recovery     Simultaneous treatment of wastewater and sludge     Mature landfill leachate     Free nitrous acid    

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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

《环境科学与工程前沿（英文）》 2020年 第14卷 第4期 doi: 10.1007/s11783-020-1238-9

摘要： Effects of metabolic uncouplers addition on sludge reduction were carried out. TCS addition effectively inhibited ATP synthesis and reduced sludge yield. The effluent quality such as TOC and ammonia deteriorated but not significantly. Suitable dosage retarded biofouling during sludge water recovery by UF membrane. Energy uncoupling is often used for sludge reduction because it is easy to operate and does not require a significant amount of extra equipments (i.e. no additional tank required). However, over time the supernatant extracted using this method can deteriorate, ultimately requiring further treatment. The purpose of this study was to determine the effect of using a low-pressure ultrafiltration membrane process for sludge water recovery after the sludge had undergone an energy uncoupling treatment (using 3,3′,4′,5-tetrachlorosalicylanilide (TCS)). Energy uncoupling was found to break apart sludge floc by reducing extracellular polymeric substances (EPS) and adenosine triphosphate (ATP) content. Analysis of supernatant indicated that when energy uncoupling and membrane filtration were co-applied and the TCS dosage was below 30 mg/L, there was no significant deterioration in organic component removal. However, ammonia and phosphate concentrations were found to increase as the concentration of TCS added increased. Additionally, due to low sludge concentrations and EPS contents, addition of 30–60 mg/L TCS during sludge reduction increased the permeate flux (two times higher than the control) and decreased the hydraulic reversible and cake layer resistances. In contrast, high dosage of TCS aggravated membrane fouling by forming compact fouling layers. In general, this study found that the co-application of energy uncoupling and membrane filtration processes represents an effective alternative method for simultaneous sludge reduction and sludge supernatant recovery.

关键词： 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

《环境科学与工程前沿（英文）》 2022年 第16卷 第6期 doi: 10.1007/s11783-021-1514-3

摘要：

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

关键词： Enhanced anaerobic sludge digestion     Different iron valence     Oxidation reduction potential     Dissolved organic nitrogen     Microbial community    

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

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

《化学科学与工程前沿（英文）》 2010年 第4卷 第2期   页码 120-126 doi: 10.1007/s11705-009-0232-3

摘要： Photocatalytic reduction of CO on TiO and Cu/TiO photocatalysts was studied by in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) under UV irradiation. The photocatalysts were prepared by sol-gel method via controlled hydrolysis of titanium (IV) butoxide. Copper precursor was loaded onto TiO during sol-gel procedure. A large amount of adsorbed HO and surface OH groups was detected at 25°C on the TiO photocatalyst after being treated at 500°C under air stream. Carbonate and bicarbonate were formed rapidly due to the reaction of CO with oxygen-vacancy and OH groups, respectively, on TiO surface upon CO adsorption. The IR spectra indicated that, under UV irradiation, gas-phase CO further combined with oxygen-vacancy and OH groups to produce more carbonate or bicarbonate. The weak signals of reaction intermediates were found on the IR spectra, which were due to the slow photocatalytic CO reduction on photocatalysts. Photogenerated electrons merge with H ions to form H atoms, which progressively reduce CO to form formic acid, dioxymethylene, formaldehyde and methoxy as observed in the IR spectra. The well-dispersed Cu, acting as the active site significantly increases the amount of formaldehyde and dioxymethylene, thus promotes the photoactivity of CO reduction on Cu/TiO. A possible mechanism of the photocatalytic CO reduction is proposed based on these intermediates and products on the photocatalysts.

关键词： 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

《环境科学与工程前沿（英文）》 2020年 第14卷 第2期 doi: 10.1007/s11783-019-1206-4

摘要： • Pd nanoparticles could be reduced and supported by activated sludge microbes. • The effect of biomass on Pd adsorption by microbes is greater than Pd reduction. • More biomass reduces Pd particle size, which is more dispersed on the cell surface. • When the biomass/Pd add to 6, the catalytic reduction rate of Cr(VI) reaches stable. Palladium, a kind of platinum group metal, owns catalytic capacity for a variety of hydrogenations. In this study, Pd nanoparticles (PdNPs) were generated through enzymatic recovery by microbes of activated sludge at 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. The XRD and TEM-EDX results confirmed the existence of PdNPs associated with microbes (bio-Pd). The increase of biomass had little effect on the reduction rate of Pd(II), but it could cause decreasing particle size and shifting location of Pd(0) with the better dispersion degree on the cell surface. In the Cr(VI) reduction experiments, Cr(VI) was first adsorbed on bio-Pd with hydrogen and then reduced using active hydrogen as electron donor. Biomass improved the catalytic activity of PdNPs. When the biomass/Pd (w/w) ratio increased to six or higher, Cr(VI) reduction achieved maximum rate that 50 mg/L of Cr(VI) could be rapidly reduced in one minute.

关键词： 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

《环境科学与工程前沿（英文）》 2020年 第14卷 第2期 doi: 10.1007/s11783-019-1199-z

摘要： • An in situ electron-induced deNOx process with CNT activated by DBD was achieved. • Carbon atoms on CNT surface were verified to be excited by plasma in DBD-CNT system. • Reactions between NOx and excited C result in synergistic effect of DBD-CNT system. In this study, a new in situ electron-induced process is presented with carbon nanotubes (CNTs) as a reduction agent activated by dielectric barrier discharge (DBD) for nitrogen oxide (NOx) abatement at low temperature (<407 K). Compared with a single DBD system and a DBD system with activated carbon (DBD-AC), a DBD system with carbon nanotubes (DBD-CNT) showed a significant promotion of NOx removal efficiency and N2 selectivity. Although the O2 content was 10%, the NOx conversion and N2 selectivity in the DBD-CNT system still reached 64.9% and 81.9% at a specific input energy (SIE) of 1424 J/L, and these values decreased to 16.8%, 31.9% and 43.2%, 62.3% in the single DBD system and the DBD-AC system, respectively. X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) were utilized to investigate surface changes in the CNTs after activation by DBD to explore the NOx reduction abatement mechanism of this new process. Furthermore, the outlet gas components were also observed via Fourier transform infrared spectroscopy (FTIR) to help reveal the NOx reduction mechanism. Experimental results verified that carbon atoms excited by DBD and the structure of CNTs contributed to the synergistic activity of the DBD-CNT system. The new deNOx process was accomplished through in situ heterogenetic reduction reactions between the NOx and carbon atoms activated by the plasma on the CNTs. In addition, further results indicated that the new deNOx process exhibited acceptable SO2 tolerance and water resistance.
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Biotoxicity evaluation of zinc oxide nanoparticles on bacterial performance of activated sludge at COD, nitrogen, and phosphorus reduction

《环境科学与工程前沿（英文）》 2022年 第16卷 第2期 doi: 10.1007/s11783-021-1453-z

摘要：

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

关键词： 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

《环境科学与工程前沿（英文）》 2017年 第11卷 第2期 doi: 10.1007/s11783-017-0913-y

摘要： The preparation reactions were catalyzed by base solid catalysts. The preparation reactions were catalyzed by two loaded catalysts and KOH. KOH/activated carbon was a better catalyst for biodiesel production. The considerable compounds content, abundance, and low costs involved has led to the proposal to use sewage sludge as raw material for biodiesel production. The transesterification reaction is catalyzed using an acid catalyst instead of base catalysts because of the high free fatty acid concentration. However, the use of a base catalyst, particularly a solid base catalyst, has certain advantages, including faster reaction speed and easier separation. In this study, we utilize in situ transesterification by base catalyst (KOH, KOH/activated carbon (AC) and KOH/CaO) with sewage sludge as raw material. Many conditions have been tested to increase biodiesel yield through single-factor tests, including mass fraction and catalyst dosage. Preliminary experiments have optimized reaction time and temperature. However, the three catalysts did not work better than H SO , which had a maximum yield of 4.6% (dry sewage sludge base) considering the purity by KOH, KOH/CaO, and KOH/AC. The features of the catalyst were analyzed using XRD, BET and SEM. As to BET of KOH/AC and the good spiculate formation of KOH crystal appears to be essential to its function. As for KOH/CaO, the formation of K O and absorption points is likely essential.

关键词： 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

《化学科学与工程前沿（英文）》 2011年 第5卷 第1期   页码 67-73 doi: 10.1007/s11705-010-0541-6

摘要： Based on the combination of the glycerol aqueous-phase reforming (APR) and catalytic hydrogenation of glycerol, a novel reaction system of liquid phase in situ hydrogenation of glycerol for the synthesis of 1,3-propanediol is proposed, in which hydrogen is produced from glycerol aqueous-phase reforming in the same reactor. In this new system, the glycerol is the raw material of the aqueous-phase reforming reaction; the hydrogen generated from the APR of glycerol can be quickly transformed to the in situ hydrogenation of glycerol to produce 1,3-propanediol, which can improve the selectivity of hydrogen for the APR process of glycerol. Moreover, thermodynamic calculation of the coupling processes was carried out, and standard molar enthalpies and equilibrium constants of foregoing reactions were obtained. The above calculation results indicate that the combination process is feasible for 1,3-propanediol synthesis.

关键词： 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

《环境科学与工程前沿（英文）》 2020年 第14卷 第6期 doi: 10.1007/s11783-020-1275-4

摘要： Abstract • Effects of metabolic uncoupler TCS on the performances of GDMBR were evaluated. • Sludge EPS reduced and transformed into dissolved SMP when TCS was added. • Appropriate TCS increased the permeability and reduced cake layer fouling. • High dosage aggravated fouling due to compact cake layer with low bio-activity. The gravity-driven membrane bioreactor (MBR)system is promising for decentralized sewage treatment because of its low energy consumption and maintenance requirements. However, the growing sludge not only increases membrane fouling, but also augments operational complexities (sludge discharge). We added the metabolic uncoupler 3,3′,4′,5-tetrachlorosalicylanilide (TCS) to the system to deal with the mentioned issues. Based on the results, TCS addition effectively decreased sludge ATP and sludge yield (reduced by 50%). Extracellular polymeric substances (EPS; proteins and polysaccharides) decreased with the addition of TCS and were transformed into dissolved soluble microbial products (SMPs) in the bulk solution, leading to the break of sludge flocs into small fragments. Permeability was increased by more than two times, reaching 60–70 L/m2/h bar when 10–30 mg/L TCS were added, because of the reduced suspended sludge and the formation of a thin cake layer with low EPS levels. Resistance analyses confirmed that appropriate dosages of TCS primarily decreased the cake layer and hydraulically reversible resistances. Permeability decreased at high dosage (50 mg/L) due to the release of excess sludge fragments and SMP into the supernatant, with a thin but more compact fouling layer with low bioactivity developing on the membrane surface, causing higher cake layer and pore blocking resistances. Our study provides a fundamental understanding of how a metabolic uncoupler affects the sludge and bio-fouling layers at different dosages, with practical relevance for in situ sludge reduction and membrane fouling alleviation in MBR systems.

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

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基于荧光原位杂交技术的UASB颗粒污泥中苯酚降解微生物生态位分化研究 Article

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

《工程（英文）》 2022年 第9卷 第2期   页码 61-66 doi: 10.1016/j.eng.2021.05.012

摘要：

利用荧光原位杂交（FISH）和克隆文库构建技术，研究了厌氧污泥床反应器处理含酚废水时所收获的颗粒的微生物群落结构。研究发现，互营杆菌（Syntrophorhabdaceae）和隐杆厌氧菌（Cryptanaerobacter）的克隆是苯酚降解的主要原因。为了准确地对隐杆厌氧菌的克隆进行分类归属，需要利用近全长的16S核糖体RNA（rRNA）基因序列进行进化分析。设计了三种寡核苷酸探针用于检测以下三个分类群：互营杆菌、隐杆厌氧菌和互养菌。对厌氧颗粒薄片的FISH 分析显示细菌和古菌呈随机分布。然而，互营杆菌、隐杆厌氧菌和互养菌分布明确。在颗粒细胞的外层发现了隐杆厌氧菌和互养菌，两者关系密切，而互营杆菌则位于颗粒细胞的深层。细菌之间的代谢联系和对底物的亲和力很可能是造成这种特殊分布的原因。研究人员观察到颗粒污泥中苯酚的降解主要通过以下方式进行：首先，隐杆厌氧菌将苯酚转化为苯甲酸盐，然后被互养菌降解为乙酸盐。苯酚的这种互饲降解发生在颗粒表面附近，此处苯酚浓度较高。在苯酚浓度较低的颗粒深部，互营杆菌将苯酚降解为乙酸盐。结果表明，互营杆菌不太可能产生苯甲酸盐，并将其作为中间产物来喂养邻近的生物，这一点与以往研究所提出的理论相矛盾。

关键词： 隐杆厌氧菌（Cryptanaerobacter）     荧光原位杂交     苯酚厌氧降解     互营杆菌（Syntrophorhabdaceae）     互养菌（Syntrophus）     升流式厌氧污泥床（UASB）颗粒污泥    

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我国城镇污泥安全处置与资源化研究

戴晓虎,侯立安,章林伟,张林,杨东海

《中国工程科学》 2022年 第24卷 第5期   页码 145-153 doi: 10.15302/J-SSCAE-2022.05.017

摘要：

污泥作为污水处理的过程产物，具有“污染”“资源”双重属性，对其开展妥善处置是污水处理减污降碳的重要任务。虽然我国污泥处理经历了“重水轻泥”向“泥水并重”的转变，技术与标准体系发展迅速，但在生态文明建设，碳达峰、碳中和目标的背景下，污泥处理处置仍存在亟待突破的短板弱项。本文梳理了城镇污泥产量和泥质特征、处理处置技术、政策标准体系的发展现状，凝练了污泥处理处置在管理体系、技术标准、路线选择等方面存在的突出问题；结合我国所处的发展阶段和国际发展趋势，提出了“绿色低碳、资源循环、环境友好、因地制宜”的发展理念以及相应的重点举措。研究建议，加强顶层设计，统筹设施规划布局，因地制宜选择处理处置路线；健全污泥处理处置的标准体系，完善价格补贴机制，强化责任分工与监管机制；补短板、强弱项，提升全链条集成水平，形成可推广的技术模式；面向未来实施前沿技术攻关，推动污泥处理处置与资源化技术装备创新升级。

关键词： 污水厂污泥；污泥处理；污染控制；资源回收；减污降碳    

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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

《环境科学与工程前沿（英文）》 2018年 第12卷 第5期 doi: 10.1007/s11783-018-1069-0

摘要：

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.

关键词： Up-flow anaerobic sludge blanket (UASB)     Methane production     Sulfate reduction     Sulfamethoxazole pharmaceutical wastewater     Electron flow     Recovery    

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标题 作者 时间 类型 操作

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

期刊论文

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

期刊论文

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,

期刊论文

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

期刊论文

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

期刊论文

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

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

期刊论文

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

Luman Zhou, Chengyang Wu, Yuwei Xie, Siqing Xia

期刊论文

In situ electron-induced reduction of NO

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

期刊论文

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

期刊论文

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

期刊论文

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

期刊论文

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

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