acidification reactor

HYDRODYNAMIC CAVITATION AND ACIDIFICATION …

HYDRODYNAMIC CAVITATION AND ACIDIFICATION …

Sep 28, 2018 · Tank Reactor - 13 L working volume) were used as acidification reactors. Each reactor was fed daily for 30 days with a proper amount of cavitated substrates in order to have an average daily Organic Loading Rate 3between 8-12 kgVS/ (m reactor * day) and hydraulic retention time ranging 5 …sp.info Design of Pre-Acidification Reactors for the Anaerobic ...May 01, 1994 · Although pre-acidification has obvious advantages, complete acidification may be detrimental to the efficiency of the overall process. The use of balancing tanks at full-scale has been common practice for the pre-acidification of a wide range of wastewaters yet no accepted design criteria for acidogenic reactors have been formulated and two-phase applications are generally based upon …Cited by: 23Publish Year: 1994Author: I. E. Alexiou, G. K. Anderson, L. M. Evisonsp.info Pre-acidification greatly improved granules ...A two-stage process consisting of a pre-acidification unit and an Upflow Anaerobic Sludge Blanket (UASB) reactor (UASBT-S) was compared with a one-stage UASB reactor (UASBO-S) to evaluate the treatment stability of starch wastewater (SW). The Two-stage …Cited by: 5Publish Year: 2020Author: Jiang Wu, Bo Jiang, Bo Feng, Lu Li, Siti Nur Fatihah Moideen, Hong Chen, Chaimaa Mribet, Yu You Lisp.info Startup Research of DIC Hydrolysis Acidification Reactor ...Abstract: As the main source of textile industrial pollution, printing and dyeing wastewater is usually difficult to be biodegraded. In this paper, a unique hydrolysis acidification reactor with double circulation sludge recycling system (DIC) is designed to treat simulated printing and dyeing wastewater. The results show that DIC reactor can realize quick startup with concentrated sludge of sludge concentration tank …Author: Yong Fu Guo, Jin Yu Chu, Yong Jian Liu, Wei Jia Zhang, Le Zhong XuPublish Year: 2012

Pre-acidification in anaerobic sludge bed process treating ...


Pre-acidification in anaerobic sludge bed process treating ...

The acidification ratio was about 0.42 +/- 0.02g SCFAs as COD,g of influent COD. Both systems' critical loading rate to achieve 80% COD removal was established at 34-39kgCOD/nm3 of total sludge bed volume per day. SCOD removal efficiency of 90 +/- 3% was achieved by both systems at an organic loading rate of 25 +/- 1 kg COD/m3 of total sludge bed volume per day, indicating that the installation …Cited by: 78Publish Year: 2001Author: Young-Ho Ahn, Kyung-Sok Min, Richard E Speecesp.info TERI's enhanced acidification and methanation technology ...The acidification phase has a retention time of six days; therefore, six such reactors are provided to ensure continuous operation. Anaerobic conditions prevail inside the reactor during the whole process. The phase separation provides suitable environment to the microorganisms in acidification and methanation stages, thus enhancing the activity.sp.info How a novel nuclear reactor can combat ocean acidification ...Sep 16, 2013 · Dr. Alex Cannara says that molten salt reactors could crush dolomite and limestone rock, making a residue that would reverse ocean acidification. --. While global warming rightfully gets plenty of...Author: Mark HalperEstimated Reading Time: 4 minssp.info Determination of optimum operating conditions of an ...Nov 01, 2006 · The acidogenic reactor was constructed from acrylic with an active volume of 5 l . The reactor included a sampling port, a gas collection unit, an influent and effluent line and was operated continuously over a period of approximately 280 days. Mixing was provided by a magnetic stirrer.Cited by: 103Publish Year: 2006Author: Yalcin Askin Oktem, Orhan Ince, Tom Donnelly, Paul Sallis, Bahar Kasapgil Ince

Title: A study of pre-acidification reactor design for ...


Title: A study of pre-acidification reactor design for ...

Acidogenic activities, as part of anaerobic digestion, have been discovered since the beginning of the century. Still it was mid '60's when it was initially stated in the literature that engineered phase separation would increase stability in anaerobic reactors and possibly increase substrate digestion rates.Cited by: 2Publish Year: 1998Author: Ioannis Alexiousp.info Hydrolysis Acidification | Scientific.NetIn this paper, a unique hydrolysis acidification reactor with double circulation sludge recycling system (DIC) is designed to treat simulated printing and dyeing wastewater. The results show that DIC reactor can realize quick startup with concentrated sludge of sludge concentration tank as inoculated sludge.sp.info Nitrate reduction pathway in an anaerobic acidification ...Xie et al. [59] observed that butyrate was the preferred carbon source during nitrate reduction in wastewater, which in an anaerobic acidification reactor led to an almost complete depletion of ...sp.info Development of combined coagulation-hydrolysis ...Dec 09, 2018 · Hydrolysis acidification unit improved the biodegradability of the influent and the experimental results showed that the highest acidification efficiency in hydrolysis acidification reactor was 20.36% under hydraulic retention time of 7 h.Cited by: 11Publish Year: 2019Author: Xue Shen, Lei Lu, Baoyu Gao, Xing Xu, Qinyan Yue

Comparison of microbial community in hydrolysis ...


Comparison of microbial community in hydrolysis ...

Jul 01, 2016 · Hydrolysis acidification reactor The hydrolysis acidification system was consists of peristaltic pump, hydrolysis acidification reactor, sedimentation tank, combined packing and stirrer ( Fig. 1 ). The effect volume and hydraulic retention time of the lab-scale hydrolysis acidification reactor was 16 L and 12.8 h, respectively.Cited by: 83Publish Year: 2016Author: Xuehui Xie, Na Liu, Bo Yang, Chengzhi Yu, Qingyun Zhang, Xiulin Zheng, Leyi Xu, Ran Li, Jianshe Liusp.info Using Nuclear Techniques to Understand Ocean Acidification ...Nov 18, 2013 · Impact of Ocean Acidification on Seafood Safety: Nuclear and isotopic techniques can be used to detect and monitor biotoxins produced by harmful algal blooms (via a "radio-ligand receptor binding assay", RBA), accumulating in coastal areas and in seafood. It is believed that ocean acidification in combination with other environmental stressors ...sp.info Teri’s Enhanced Acidification and Methanation (TEAM)Bi-phasic reactor – Acidification The organics from solid waste are extracted in the form of leachate (liquid form) by the action of hydrolytic and acidogenic microbes digested slurry is rich in available nutrients which is dried and used as manure – Methanation The extracted organics (leachate) are treated in asp.info Study of the hydrolytic acidification-SBR process in ...A new method of hydrolytic acidification-sequencing batch reactor (SBR) process in aquatic products processing wastewater treatment is given. In the stage of the pretreatment, the hydrolysis-acidification technology was adopted, it is effective to improve the biodegradability of the wastewater.

2000l Industrial Acidification Batch Stirred Tank Reactor ...


2000l Industrial Acidification Batch Stirred Tank Reactor ...

Introduction for 2000L industrial batch stirred acidification tank reactor. 2000L industrial batch stirred acidification tank reactor is specially used in industrial production, it can be used in batch lots, multi reactants and long period reactions,and the production will be emulsion adhesive. It can be bear high pressure and high temperature, and heated by the jacket circulation.Price Range: $1,000 - $20,000Volume (L): 500~20,000LType: GSH-500~20,000LWorking pressure (MPa): Negative pressure -0.1~9.8sp.info Newly Designed Hydrolysis Acidification Flat-Sheet Ceramic ...Cost-effective treatment of dyeing wastewater remains a challenge. In this study, a newly designed hydrolysis acidification flat-sheet ceramic membrane bioreactor (HA-CMBR) was used in treating high-strength dyeing wastewater. The start-up phase of the HA-CMBR was accomplished in 29 days by using cultivated seed sludge. Chemical oxygen demand (COD) removal rate reached about 62% with …Cited by: 3Publish Year: 2019Author: Yue Jin, Dunqiu Wang, Wenjie ZhangEstimated Reading Time: 8 minssp.info CN102161554A - Anaerobic hydrolysis-acidification and ...The invention discloses an anaerobic hydrolysis-acidification and anoxic-aerobic process-sequencing batch reactor (AO-SBR) integrated sewage treatment reaction tank which comprises an anaerobic...Author: 张显忠, 黄瑾, 刘佳伟Publish Year: 2011sp.info LUP Student Papers - Pre-acidification of a Synthetic ...Jul 04, 2019 · Various types of reactors have been used studying this process, among which, continuously stirred tank reactor (CSTR) is common with its special benefits. During the pre-acidification process, the adjustment of hydraulic retention time (HRT) …Author: Can XiongPublish Year: 2019

Change the original microbial community structure in the ...


Change the original microbial community structure in the ...

Aug 31, 2021 · After the bacteria intensification, the COD removal rate of the oily wastewater by the hydrolysis acidification reactor increased by 50%. The biodegradability of wastewater has also been correspondingly improved. The microbial community structure in the hydrolysis acidification reactor showed obvious changes.Author: Mengshi Zhao, Qiang Fu, Yu Yang, Yu Yang, Li Zhang, Si ShanPublish Year: 2021sp.info A novel process using enhanced acidification and a UASB ...Aug 01, 2001 · Initially, for the hydrolysis and acidification of waste, enhanced extraction process was carried out by continuous sprinkling of water over the bed of waste in a mild steel 100 l solid bed digester. The leachate obtained after completion of acidification phase was further treated in 24.6 l UASB reactor for biogas production.Cited by: 56Publish Year: 2001Author: K. V. Rajeshwari, K. Lata, D. C. Pant, V. V. N. KishoreEstimated Reading Time: 4 minssp.info Process simulation and experimental investigation of ...quantity in a two- stage expanded granular sludge bed reactor by investigating the effect of injecting the pre -acidification gas (the first stage), which is mainly produced a gas mixture consist of hydrogen and carbon dioxide) into the second stage (the expanded granular sludge bed reactor).sp.info Combined industrial and domestic wastewater treatment by ...In recent years, a hydrolysis-acidification (HA) reactor with pulse water allocation was developed to enhance the mass transfer (Bai et al. 2013). The HA reactor consisted of a pulse water ...

COP26: IAEA, UNESCO Call for Stronger Recognition of …


COP26: IAEA, UNESCO Call for Stronger Recognition of …

Nov 10, 2021 · Alarming acidification with “business as usual” Carbon dioxide (CO 2 ), which is naturally present in the atmosphere, dissolves into seawater. Water and carbon dioxide combine to form carbonic acid (H 2 CO 3 ), a weak acid that breaks (or “dissociates”) into hydrogen ions (H …sp.info Degradation of cyanide in agroindustrial or industrial ...At a pH of 5 or lower, cyanide accumulated in the reactor and pre-acidification failed. The minimal t HR for continuous cyanide removal was 1.5 days. The enriched mixed culture was also able to degrade cyanide in purely mineralic wastewater from metal deburring, either in a pre-acidification reactor with a two-step process or in a one-step ...Cited by: 33Publish Year: 1998Author: H. Siller, J. Wintersp.info (PDF) Acidification of Methanol-Fed Anaerobic Granular ...Reactor acidification of methanol-fed UASB reactors Source of Biomass might proceed via the algorithm presented in Figure 1. According to this hypothesis, acidification is triggered by Methanogenic granular sludge was obtained from a full- elevated methanol concentrations in the reactor mixed scale UASB reactor treating alcohol distillery ...sp.info Sulfate reduction at pH 4 during the thermophilic (55°C ...Dec 11, 2008 · Abstract Continuous sulfate reduction at pH 4.0 was demonstrated in a pH controlled thermophilic (55°C) upflow anaerobic sludge bed reactor fed …Cited by: 2Publish Year: 2008Author: S. I. C. Lopes, M. I. Capela, S. A. Dar, G. Muyzer, P. N. L. Lens

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