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Expert of purification system using membrane technology as the core technique
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Bipolar membrane1

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GuoChu Technology (Xiamen) Co., Ltd
GuoChu Technology (Xiamen) Co., Ltd
Country/Region: China

Bipolar membrane1

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Bipolar membrane is a kind of ion exchange membrane with special functions. Hydrolysis happens and produces H+ and OH in the middle region of the membrane under the influence of external electric field. Bipolar membrane electrodialysis technology makes this particular function in composite to ordinary electrodialysis to realize the production and regeneration of acid/alkali. The application of bipolar membrane electrodialysis technology can not only achieve the conversion of organic acid salt or organic alkali salt, but also produce NaOH or HCl, which can be used in the production process. The bipolar membrane electrodialysis will play an increasingly important role in clean production and resource recycling.

Main technical indexes of bipolar membrane

Bipolar membrane
Product typeTWBPI




water content


Water dissociation voltage(V,100MA/cm2,25℃)≤1.8
Water dissociation efficient(25℃,0.5M Na­2SO4)


Application: organic acid production ,reuse of salty water ,etc.


Organic salts produce organic acid base / inorganic salts to produce inorganic acids and bases

Ferrate preparation

Chemical synthesis in organic phase

Treatment of uranium processing wastewater

Regeneration of sodium sulfate in the production of rayon

Gas absorption

Extraction and transformation of organic acids in fermentation broth

Precipitation separation of soybean protein isolate

Production of caseinate

Juice stabilization

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