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Distillation Membrane Module TCMD970-42


Distillation Membrane Module TCMD970-42

Product No.:TCMD970-42

  • Details

General Information

Distillation membrane module is a module for membrane distillation, which is a thermally driven transport process that uses hydrophobic PTFE hollow fiber membrane.
Distillation membrane module is made of high-performance hydrophobic hollow fiber membranes for membrane distillation companies.
The working principle of distillation membrane module:
First, the feed liquid is heated to a certain temperature by using factory waste heat or steam, and then pumped into the distillation membrane module through the raw material pump. Distillation membrane modules are potted with hollow fiber microporous hydrophobic PTFE membranes, which have a large number of micropore. At high temperatures, the feed liquid generates a vapor pressure difference on two sides of the membrane. A large number of micropore can allow the evaporated water vapor to pass through the membrane pores, enter the other side of the membrane hollow fibers, and use the vacuum system to pump it out. After a large amount of water vapor volatilizes, the feed liquid is concentrated. The volatilized steam uses the heat pump to recover heat and returns to reheat the feed liquid to reduce the energy consumption of the entire system.


Super hydrophobic PTFE membrane
High tolerance to acid and alkali
Uniform pore sizes
Multiple options for dimensions and membrane areas


Applicable for critical applications
High separation efficiency
Adapt to different scale projects


Seawater desalination
Wastewater zero discharge for wastewater treatment
Acid alkali concentration
Concentration or purification crystallization of saline solution
Concentration of aqueous solutions containing non-volatile or semi-volatile organic compounds


Dimensions of Distillation Membrane Module


D1 (mm/inch)

L (mm/inch)

L1 (mm/inch)

Liquid port

Vacuum port





DN50 union

DN50 union


Membrane material


Housing material


Fiber ID/OD

0.8/1.6 mm

Pore size

0.1 μm

Liquid flow path

External of hollow fibers

Membrane area

42 m2/453 ft2


43 KG/95 lbs

Operating Limits

Working temperature

50 - 80℃

Max. feed pressure

0.2 MPa (29 psi)

Working pH

0 - 14

1. When the liquid temperature is 85°C, the safe internal and external pressure difference of the membrane hollow fibers should be less than 0.08 MPa, and the maximum pressure difference should not be greater than 0.1 MPa.
2. When used for the concentration of different materials, the feed liquid shouldn’t contain organic solvents such as alcohols, esters, hydrocarbons, ethers, oils, etc., otherwise the service life of hollow fibers will be shorter and leakage may happen.
3. A certain flow rate is required when the feed liquid flow over the outer surface of the membrane hollow fibers. Please adjust the flow rate according to the actual conditions such as the viscosity, temperature, and crystallinity of particles of the feed liquid to prevent crystallization or high surface concentration of the membrane hollow fibers from evaporation decrease.

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