HXTSS – concentrated acid MgCl2-regeneration

 Pureox has developed recently built classic MgCl₂-regeneration (TSS) for (Bio Based) Organic Acid Production.

Classic TSS is proven technology, but has many drawbacks, especially for hydrometallurgical applications:

• the regenerated HCl can reach max. 18%, there are additional concentration steps necessary in the overall process
• high amounts of water evaporation in the reactor leads to huge equipment and CAPEX
• high amounts of water evaporation leads to high volumes of offgas and expensive offgas treatment
• high amounts of water evaporation in the reactor means high energy costs
• removal of impurities (Na, K, etc.) only possible after MgO-hydrolysation.

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NEW PROCESS HXTSS  (patent applied)  (concentrated acid thermal salt splitting) high concentration of regenerated acid HCl possible > 22%  low offgas volumes: less emissions smaller equipment size (CAPEX saving)  less evaporation in the reactor less energy consumption (less OPEX)  less water consumption in the overall process  efficient removal of Na or K possible prior to HXTSS process Pilot plant available scheduled 03/2015