Eco-Tec will emphasize its "PUR" line of acid purification and recovery equipment. Ready to be discussed include such units as: Chromapur for removal of all metallic contamination in a hard chrome plating bath; Anopur for sulfuric acid anodizing purification and recovery; Micropur for applications involving stainless steel pickling, brass etching and rack stripping; and Nickelpur for recovery of nickel from decorative plating rinse waters as a purified, sulfate/chloride balanced concentrate at a pH suitable for recycle.