MANTECH PeCOD analyzer improves pulp mill performance, cuts wastewater pollution

MANTECH Inc., Guelph, ON, says its PeCOD® technology is a safe and effective way to improve wastewater treatment and optimize the use of chemicals in pulp and paper mills.

The company says the PeCOD method uses nanotechnology encompassing titanium dioxide which has higher oxidizing potential than dichromate to overcome many of the problems associated with standard methods for testing chemical oxygen demand (COD), a key parameter for indirectly measuring the amount of pollution in industrial wastewater. The PeCOD analyzer provides fast, accurate and safe COD analysis using a novel, nanotechnology-based approach that accurately measures COD in less than 15 minutes.

Safe for the operator and the environment, PeCOD does not require dichromate, mercury, acid or other harmful chemicals used in standard COD-testing methods that take hours to generate results.

Real-time data about COD in the wastewater stream allows operators to optimize and reduce the use of chemicals in their processes upstream, saving money while protecting the health of workers and the downstream environment.

MANTECH reports an example of PeCOD analysis saving money in the mill.

• Arauco, a Chilean pulp and paper company, has been using a PeCOD analyzer in full-scale operations since 2013. As a result, the company has reduced the use of hypochlorite for bleaching with no loss of product quality and decreased the amount of organics in its wastewater stream. The net result was a further reduction in chemicals and energy used in water treatment that saved the company $US3 million in the first year.

MANTECH Inc., www.mantech-inc.com

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