Nitric acid recovery using diffusion dialysis. 1996.

TURI Technical Report No. 32. Danaher Tool Group, operating under SIC Code 3423, is a manufacturer of high quality steel ratchets for a variety of distributors. The cleaning of racks used in the electroplating process requires the use of nitric acid, a toxic chemical listed under the Toxics Use Reduction Act (TURA). As a result of toxics use reduction (TUR) planning, Danaher Tool Group implemented nitric acid recycling using an integral diffusion dialysis system in its Springfield, MA facility in 1994. Nitric acid can cause injury to plant personnel through inhalation, ingestion, or skin contact. The implementation of the diffusion dialysis system has reduced worker exposure, operating costs, and environmental impact. This report illustrates the successful implementation of diffusion dialysis technology including technical and economic feasibility.

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