DrM has supplied filter skids to two Indorama Ventures facilities in USA and Spain for recovery of Purified Isophtalic Acid (PIA) crystal fines from the process waste water stream. PIA, like the chemically similar PTA, is used as precursor in production of PET. Recovery of crystal fines increases the overall yield of the process and reduces the load to WWT plant. 92 among hundreds of filtration systems supplied by DrM to the petrochemical industry to date are for PTA/PIA recovery.
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