Chlorate Based Eka Purate® Technology Used for Small-scale Generation of Chlorine Dioxide for Microbiological Control in Papermaking

Abstract

Good control of microbiological activity in process waters is crucial for high productivity and quality in pulp and paper production. Over the last decade oxidizing biocides have become the preferred solution for microbe and slime control in papermaking process waters. A key benefit of the change from organic biocides to oxidizing biocides has been improved cost performance.
Available oxidizing biocides include combined halogen oxidants, sodium hypochlorite, peracetic acid and chlorine dioxide. This report focuses on Eka Purate® a chlorate based technology for small scale generation of chlorine dioxide used as a biocide in papermaking industries in fresh water and process water applications.