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Operating instructions of membrane bioreactor It is recommended to use a diffused aerator to scrub the membrane by fully shaking the membrane fiber through the bubbles and water flow generated by aeration. At the same time, the intermittent operation mode is adopted. The self-priming pump pumps for 13 minutes and stops for 2 minutes, which can prevent the membrane hole from blocking and make long-term stable operation possible. When the system is running, the method of constant flow is adopted. The suction negative pressure can be read through the electric contact pressure gauge -
Principle and development of ABR reactor With the rapid development of industry and the continuous increase of population, the problems of energy, resources and environment have become increasingly serious. In the past 30 years, the shortage of energy has become prominent. Using traditional aerobic biological treatment method to treat wastewater will consume a lot of energy, and the energy consumption for wastewater in developed countries has accounted for about 1% of the total power consumption of the country. The essence of aerobic biological treatment of wastewater is to use electric energy -
Initial startup of UASB reactor The wastewater treatment plant of an alcohol enterprise treats the secondary steam condensate discharged by the alcohol evaporation process and part of the centrifugal clear liquid discharged in accident. The average water volume is 405 m3/d, the average temperature is about 50 ℃, the pH value is 3.6, the COD of the stock solution is about 8000 mg/l, and the SS is 1600 mg/l -
Discussion on Internal Circulation Anaerobic Reactor (IC) The basic structure and principle of internal circulation anaerobic reactor are discussed in this paper. The author believes that IC reactor has the prospect of industrial development. -
Study on Start up and Operation of EGSB Reactor Study on Start up and Operation of EGSB Reactor -
High efficiency ammonia nitrogen adsorption regeneration reactor Ammonia adsorption regeneration technology (AAR for short) is to remove and exchange the ammonia nitrogen in wastewater by means of ion exchange technology through the technical performance and process transformation of the new technology of plant molecular sieve, and to remove the ammonia nitrogen components in the water body through recycling -
Discussion on Commissioning and Start up of UASB Reactor In recent years, UASB reactor has been widely used in domestic sewage treatment industry, especially in the treatment of alcohol industrial wastewater. Due to its high biodegradability, many reconstruction and new projects use this efficient anaerobic bioreactor. This paper analyzes some key points that should be paid attention to during the commissioning and startup of UASB reactor according to engineering examples. -
Lifting scheme of hydrogenation unit reactor Description R-2001 hydrogenation reactor is hoisted by LTM1500 500T full hydraulic truck crane, and LTM1150 150T truck crane is used for tail delivery. The 150T auxiliary crane will send the equipment in place in two stations. After the equipment is vertical and stable with the ground, the main crane will place the equipment on the foundation with the boom climbing rod. Rigging can be removed on the platform -
Principle and design of UASB and IC reactors This document is about the principle and design of UASB and IC reactors, and its contents are only for reference. Thank you -
Reactor fabrication and installation construction method The empty weight of the equipment is 114.97 tons, including 104.95 tons of stainless steel; The main material of shell side is 0Cr18Ni9, and the coil material is 00Cr19Ni10. Geometric dimensions of the equipment: the internal diameter of the equipment is 5.2 meters, and the total height is 23.6 meters. Main internals of the equipment: gas distributor, weighing 3647Kg; Lower molten salt heater, weight 14135Kg; Upmelting -
Analysis of advantages of IC anaerobic reactor The volume loading rate of IC reactor is about 3 times higher than that of ordinary UASB reactor, and its volume is about 1/4 - 1/3 of that of ordinary reactor, which greatly reduces the capital construction investment of reactor; In addition, the height diameter ratio of IC reactor is very large (generally 4-8), so the floor area is small. -
Enhancement of simultaneous nitrification denitrification reactor A large number of anaerobic sludge containing denitrifying bacteria with ammonia as electron donor were cultured. The anaerobic sludge is wrapped in cloth and made into numerous balls, which are suspended in the aerobic reactor containing aerobic sludge. Due to the large particle size of the pellets, dissolved oxygen is not easy to penetrate, resulting in a good anoxic and anaerobic environment, and the aerobic denitrification effect is good. The denitrification rate reaches 8.8 ～ 12.4mg/L· -
Technical and economic analysis of membrane bioreactor Technical and economic analysis of membrane bioreactor -
Research progress of anaerobic baffled reactor The basic principle, main process performance of anaerobic baffled reactor and the influence of reflux on the operation effect of ABR process were introduced. ABR process is characterized by simple structure, low energy consumption, convenient operation and management. In terms of hydraulic conditions, microbial retention and removal capacity, and microbial population distribution, -
Commissioning and management of MBR membrane bioreactor MBR membrane bioreactor is an advanced sewage treatment method, which combines the advantages of traditional biochemical method and membrane treatment method. It has many advantages such as effluent quality, stability and reliability. A key link of the sewage treatment system is debugging and management. This paper focuses on the sewage treatment process of membrane bioreactor, from clean water commissioning to sludge inoculation operation, to daily management and dosing -
Study on Startup and Operation Characteristics of UBF Reactor The start-up and operation characteristics of the upflow anaerobic composite bed (UBF) reactor were studied by taking the production wastewater of a chemical plant (containing a large amount of cyclohexane, cyclohexanol and a small amount of sodium sulfate) as the treatment object. The results showed that when the COD volume load (VLR) was 2.12 kg/m3 · d, the COD removal rate was the highest (82%), and the reactor -
Application and Development of Internal Circulation Anaerobic Reactor (IC) The application and research status of IC reactor are introduced from the perspective of engineering practice, and the problems exposed in the engineering application of IC reactor are analyzed in detail. Finally, the research and development trend of IC reactor is pointed out, indicating that IC reactor has the prospect of industrialization. -
Technical progress of dynamic membrane bioreactor This paper introduces the membrane forming mechanism of dynamic membrane bioreactor (Dyan mci m ebm anr e bi er ac ot r, DMBR), membrane structure, shape, filtration model and resistance characteristics, and discusses the effect of substrate selection sludge concentration (M ling S), effluent head cross flow velocity, on dynamic membrane bioreactor -
Membrane bioreactor technology: process details This book is a professional book on membrane bioreactor, which introduces the principle, engineering design and specific process of the biofilm process in detail. -
Organic wastewater fenton reactor plan The utility model relates to an organic wastewater circulating fluidized bed fenton reactor with swirling water inflow, circulating jet mixing, water distribution in the center and water outflow around. -
Bidding Document for Maintenance of Methanol Gas cooled Reactor Bidding document, bidding announcement, instructions to bidders, bidding document (format), bid evaluation method, etc. for maintenance of methanol gas cooled reactor -
Treatment of monosodium glutamate wastewater by HCR reactor This document is for the treatment of monosodium glutamate factory wastewater by HCR reactor, and its contents are for reference only, thank you -
ABR Design and Application of Anaerobic Baffled Reactor This paper introduces the research on the characteristics of anaerobic baffled reactor (ABR) from inside to outside, including the research on biological separation characteristics, granular sludge characteristics and hydraulic characteristics. It introduces the research on the treatment of different wastewater by ABR. ABR has many advantages over other anaerobic processes, and can treat various types of wastewater, such as low-temperature wastewater, organic wastewater -
Process flow of Oqing IC reactor The IC reactor has two stages of reaction chambers, and a three-phase separation device is set on the upper part of each stage of reaction chamber. The influent enters the reaction chamber from the bottom of the reactor through the pump and is evenly mixed with the anaerobic granular sludge in the chamber. -
Experimental study on domestic sewage treatment by hsbr reactor The characteristics of domestic sewage treatment by a new type of incomplete anaerobic reactor, incomplete anaerobic sequencing batch reactor (%&'()), were studied. At volumetric load ") $! *")+, -/ Under the operating condition of 012 (3, · 4), the removal rate of/01 is more than 567; Under the impact load of 3, · 4), obtain/0 of 67 -
Application of UASB reactor in alcohol wastewater This paper first briefly introduces the process mechanism, design parameters, advantages and disadvantages of UASB anaerobic reactor, then analyzes the water quality characteristics of alcohol wastewater, and finally describes the application of UASB reactor in alcohol wastewater. -
Advantages, disadvantages and improvement ideas of membrane bioreactor MBR has different classifications according to different standards. The common ones are split MBR and integrated MBR, both of which have advantages and disadvantages, and are applied in practice. -
Industrial design and manufacture of small membrane bioreactor This paper introduces a membrane bioreactor with hollow fiber microfiltration membrane as the core membrane module. Including pollution and prevention of membrane module, self-designed small experiment, etc. The influence of MBR during operation was analyzed -
Discussion on calculation method of IC reactor Discussion on calculation method of IC reactor -
Discussion on Internal Circulation Anaerobic (IC) Reactor IC reactor is the third generation anaerobic reactor developed on the basis of UASB reactor. It has the advantages of low efficiency, high energy consumption, less investment, and less land occupation -
EM used in SBR reactor to treat domestic sewage The removal effect of effective microorganisms (EM) on COD, TP, NH3-N and TN of domestic sewage in SBR reactor was discussed. The test results show that when the EM dosage (VEM/V sewage) is 1/10000~1/1000, the removal rate and degradation rate of COD, TP, NH3-N and TN can be significantly improved by SBR -
Performance and Application of Pressurized Aerated Bioreactor A pressurized aeration bioreactor was developed, and its performance, kinetic parameters, operating parameters and application in industrial wastewater treatment were introduced. -
Pressurized Aerated Bioreactor and Its Process Design The process design of pressurized aeration bioreactor and its treatment system is introduced, including reactor principle, process flow, operating parameters, process design features, etc. -
COD and UV254 of effluent from membrane bioreactor The membrane bioreactor built in the laboratory was used to treat catering wastewater. The CODCr and UV254 values of several groups of effluent were measured respectively, and the linear relationship between COD and UV254 was obtained after the data were analyzed and processed with the Origin software. Through this relationship, COD can be directly obtained from UV254 value, which not only shortens the test time, but also improves the -
Membrane fouling mechanism and prevention of membrane bioreactor This paper introduces the latest research status of the mechanism, mathematical model and prevention methods of membrane pollution at home and abroad in recent years, and discusses the research frontiers of membrane pollution prevention technology. -
Treatment of wastewater from paint factory by membrane bioreactor The design and operation of membrane bioreactor (MBR) for wastewater treatment in paint factory were introduced. The practice shows that the average removal rates of COD and SS in the effluent pretreated by coagulation and filtration by MBR are 91% and 85% respectively, and MBR has the advantages of simple process, easy management, high operation efficiency, etc. -
Research and Application Progress of Anaerobic Membrane Bioreactor AnMBR is a new efficient water treatment technology that effectively combines membrane separation technology and anaerobic biological treatment unit. On the basis of retaining many advantages of anaerobic technology, this technology also brings a series of advantages due to the introduction of membrane modules to achieve efficient solid-liquid separation. -
Characteristics of Membrane Bioreactor for Domestic Sewage Treatment The characteristics of membrane bioreactor applied in domestic sewage treatment are reviewed. Membrane modules can be divided into tubular membrane and plate membrane. -
Design of MBR membrane bioreactor Including mbr overview, FLEXELL hollow fiber membrane module, mbr system design, for reference. -
Hoisting scheme of hydrogenation reactor in a refinery The 1.2 million t/a hydrofining unit newly built in the refinery of a petrochemical company is located in the west of the cracking unit in the refinery plant. The hydrogenation reactor, a large key equipment in the unit, weighs 184t, and its specification is φ 3193 × 22716mm. The installation of this equipment is characterized by heavy weight, high installation difficulty, and the equipment shell is made of composite materials, which has certain restrictions on the setting of lifting lugs.
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one Reactor airspeed -
two Reactor commissioning -
three Trickle reactor -
four Baffled reactor -
five Reactor diagram -
six Coagulation reactor -
seven Plug flow reactor -
eight Reactor empty time