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GFS Tanks with UASB Reactor
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The upflow anaerobic sludge blanket reactor (UASB) is a single-tank process. Wastewater enters the reactor from the bottom and flows upward. A suspended sludge blanket filters and treats the wastewater as the wastewater flows through it.

 Operation Principle of UASB Reactor Tanks
Wastewater came into UASB from the bottom up through the sludge zone, sludge and sewage touch each other and make an anaerobic reaction to produce biogas, then rise to the top of the three-phase separator to achieve gas, solid, and liquid separation. UASB can decompose more than 80% of organic pollutants and complete anaerobic reactions.

Coating color dark blue, dark green , white, and customized
Standard steel plate size effective size 2400mm x 1200mm
Corrosion resistance Excellent corrosion resistance for waste water salt water, sea water, high sulfur crude oil, salt fox, organic and inorganic compounds
Steel plates thickness 3mm - 12mm, depends on the diameter & height
Coating thickness 0.25mm - 0.4mm, two coating internal and external
Acid and alkalinity proof standard coating suits for PH3 - PH11, special coating suits for PH1 - PH14
Adhesion 3,450N/cm
Elastic same as steel sheet, around 500KN/mm
Hardness 6.0 Mohs
Service life >30 years
Spark test >1500 V
Permeability gas and liquid impermeable
Features smooth, glossy, inert, anti-adhesion, and easy to clean/ maintain

Scope of application: papermaking, food processing, wine brewing, landfill leachate, pharmaceutical, and chemical wastewater treatment. 

Key design: water distribution design, three-phase separator design.

Technical Features of UASB Reactor Tanks
  1. High volume load
  2. Simple equipment
  3. Easy operation
  4. Low cost
  5. Easy management
  6. Not easy to block.
Advantages of UASB Reactor Tanks
UASB consists of three parts: sludge reaction zone, gas-liquid-solid three-phase separator (including sedimentation zone), and gas chamber. Compared with other types of anaerobic reactors, it has the following advantages:
• There is a lot of biomass in the sludge bed, and the equivalent concentration can reach 20 ~ 30g / L ~ (- 1).
• The rate of volume load is high. Under the condition of medium temperature fermentation, it can reach about 5kgCOD/ (m ³d) or even as high as 10~20kgCOD/ (m³d). The hydraulic retention time in the reactor is short, so the required pool capacity is greatly reduced.
• The equipment is simple and convenient in operation, and there is no need to set up a sedimentation tank and sludge reflux. The device does not need filling and mechanical stirring device in the reaction zone, the cost is relatively low, it is easy to manage, and there is no blockage.

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