Neutralization and dioxane removal
  • Unit 79 Neutralization and Dioxane Stripping
    When producing SLES, the sulfate needs to be neutralized with pure water, caustic soda, H2O2, and buffer in the neutralization reactor, all materials react by high-speed mixing, then remove dioxane together with air in the stripping tower under vacuum condition, meanwhile, the cooling procedure is also done in this tower.   Features: Compared with Italy's vacuum neutralization, WEIXIAN stripping tower is a static equipment, without motor and maintenance requirement. Before going into the stripping tower, products react in the micro positive pressure reactor, so there is no acid gas corrosion happened in condensate and vacuum pump. Meanwhile this unit has a 10 times SLES recycle loop, comparing to similar technologies of other suppliers, this process makes the neutralization temperature rise less than 5℃, which helps us to get the products with lighter color, more stable pH value and lower dioxane content. This unit is able to realize ultra-low dioxane content.
We Look Far Ahead To Be Closer To You
WEIXIAN is an engineering company specialized in supplying turnkey sulphonation/sulphation plant and it's technology, focusing on the R&D of LABSA, SLES, SLS, AOS, HABSA, MES and other anionic surfactant production technologies.
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    OVER 30 YEARS HISTORY

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    CARRIED OUT OVER 200 PROJECTS

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    Supplied The World Largest 8T/H Plant

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    COVERED 17 COUNTRIES IN THE WORLD

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