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Keywords from Image Description:
OVERALL VIEW OF AN EVAPORATOR. UNDERGROUND STORAGE TANKS THE WASTE IS HEATED IN THE REBOILER BEFORE ENTERING THE EVAPORATOR VESSEL WHERE THE WATER BOILS OFF IN VACUUM ATMOSPHERE TO LEAVE HIGHLY CONCENTRATED LIQUID CONTAINING SOLID CHEMICAL SALT CRYSTALS EVAPORATED WATER IS CONDENSED PROCESSED TO REMOVE CONTAMINATION TO DRINKING WATER