The role and benefits of anaerobic fermenters, anaerobic fermenter processes and original understanding
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Anaerobic Fermentation Tank-Biogas Fermentor Working Principle IC (internalcirculation) reactor is a new generation of high-efficiency anaerobic reactor. Waste water flows from bottom to top in the reactor. Pollutants are adsorbed and degraded by bacteria, and purified water is reacted. The upper part of the device flows out. According to the function, the reactor is divided into five zones from bottom to top: mixing zone, first anaerobic zone, second anaerobic zone, sedimentation zone and gas-liquid separation zone.
Anaerobic Fermentation Tank - Biogas Fermentation Tank
Chemical wastewater, alcohol wastewater, farm manure treatment, starch wastewater, papermaking wastewater, pharmaceutical wastewater, biopharmaceutical plants (avermectin, vitamins, penicillin, etc.) food wastewater.
Anaerobic Fermentation Tank - Biogas Fermentation Tank Technology Advantage
High volumetric load: The sludge concentration in the anaerobic fermentation tank reactor is high, the amount of microorganisms is large, and the organic load of the influent water is high;
The power cost is low, there is no mixing and stirring equipment, and the sludge in the sludge bed is in a suspended state by the rising movement of the biogas generated during the fermentation process, and the sludge layer in the lower part is also agitated to some extent; the sludge bed has no carrier. , to save cost and avoid blockage problems caused by fillers;
Good effluent stability;
Zhejiang Jinhua Anaerobic Fermentation Tank-Biogas Fermentation Tank Process and Original Understanding
The start-up period is short: the sludge activity in the reactor is high, and the biological proliferation is fast, which provides favorable conditions for the quick start of the reactor;
High gas production: 0.58-0.6m3 per kg of COD, far exceeding the theoretical value of 0.35; high biogas utilization value, high purity of biogas produced by reactor, C470%～80%, CO220%～30%, others Organic matter is 1% to 5%, which can be used as fuel;
Anaerobic fermenter-biogas fermenter saves investment and floor space: IC reactor volumetric loading rate is about 3 times higher than that of ordinary UASB reactor, and its volume is equivalent to 1/4-1/3 of ordinary reactor, which greatly reduces The infrastructure investment of the reactor; the IC reactor has a high aspect ratio (generally 4-8), so the footprint is small.
Strong anti-shock load capacity: When treating low-concentration wastewater (COD=2000-3000mg/L), the circulating flow rate in the reactor can reach 2-3 times of the influent amount; when treating high-concentration wastewater (COD=10000-15000mg/L) The internal circulation flow can reach 10-20 times of the influent amount; a large amount of circulating water and influent water are fully mixed, so that the harmful substances in the raw water are fully diluted, which greatly reduces the influence of the poison on the anaerobic digestion process;
Strong resistance to low temperature: The effect of temperature on anaerobic digestion is mainly the effect on digestion rate. Since the IC reactor contains a large amount of microorganisms, the influence of temperature on anaerobic digestion becomes no longer significant and serious. Generally, the anaerobic digestion of the IC reactor can be carried out under normal temperature conditions (20-25 ° C), which reduces the difficulty of digestion and heat preservation and saves energy;
The ability to buffer the p value: the internal circulation flow rate is equivalent to the effluent reflux of the first anaerobic zone, and the alkalinity of COD conversion can be utilized to buffer the p value, so that the p value in the reactor is maintained in a good state, and can also be reduced. The amount of alkali influent;
All anaerobic sludge is granulated, which better solves the difficulties of three-phase separation, acidification control and high-efficiency granular sludge production in high-concentration organic wastewater in traditional UASB;
Zhejiang Jinhua Anaerobic Fermentation Tank-Biogas Fermentation Tank Process and Original Understanding
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