Chlorine Dioxide

Through Meras Engineering’s partnership with Eka Chemicals Inc, we bring over 35 years of experience in delivering Chlorine Dioxide programs. First used by Eka as a bleaching chemical to aid in the pulp and paper industry, the technology has grown and is currently used to make our drinking water safer. When used as a pretreatment, chlorine dioxide aids in the prevention of carcinogens in your drinking water by selectively oxidizing containments that may otherwise be transformed by chlorine into trihalomethanes (THM’s). Simultaneously, ClO2 acts as a biocide inactivating harmful viruses and other pathogens like E. Coli and cryptosporidium with minimum contact time.

CIO2 Applications

The unique properties of chlorine dioxide make it effective in a wide variety of oxidant and biocide applications. ClO2 effectively controls iron and manganese in drinking water, eliminates slime in cooling towers, controls odors in animal by-product processing plants, disinfects processed meats and vegetables and many other applications. ClO2 has excellent application potential in the following areas:

 

Drinking Water

Drinking Water

Chlorine dioxide produced from Purate® is used in drinking water plants for a variety  benefits, including:
· Fe and Mn removal
· Primary disinfection
· Taste & odor improvement
· THM reduction
· HAA reduction
· Lower costs compared to UV, ozone and hypochlorite
· Nitrification prevention in chloramine systems
· Lower costs and better performance than permanganate
· Fewer regulatory & safety concerns compared to chlorine gas

CI02 Industrial Solutions

CI02 Industrial Solutions

Chlorine dioxide is a versatile oxidant and biocide making it an attractive treatment for a wide variety of processes.
· Cooling Towers
· Rendering Plant Odor Control
· Phenol Destruction
· Process water treatment
· Zebra mussel control
· Hydrogen sulfide destruction
· Paper machine biocide
· Color removal
· Leather processing

Municipal Waste Water

Municipal Waste Water

Chlorine dioxide is a versatile oxidant and biocide making it an attractive treatment for a wide variety of processes.
· Odor Control
· THM Reduction
· Short Contact Time Systems
· Water Reuse Treatment
· Combined With Other Oxidants

CI02 Protecting our Food Supply

CI02 Protecting our Food Supply

Chlorine dioxide is effective at controlling harmful pathogens on meats, poultry, fruits and vegetables. It is also effective in retarding spoilage of foods by controlling bacteria, fungus and mold growth.
· Poultry Processing
· Vegetable Processing
· Food Contact Paper Manufacture
· Fruit Processing
· Livestock Water Treatment
· Equipment Disinfection

CI02 Essential for Today’s Papermakers

CI02 Essential for Today’s Papermakers

Thousands of tons of chlorine dioxide are produced daily for pulp bleaching. Virtually all ClO2 produced for pulp bleaching is made from sodium chlorate, the principle component of Purate. Chlorine dioxide produces high quality pulp while minimizing waste water environmental issues.
For large bleaching applications, chlorine dioxide is produced in large scale chemical plants like Eka Chemicals’ SVP-Lite or SVP-HP technology. These systems are too capital intensive for small scale applications or for use on paper machines as a biocide. Purate® technology from Eka Chemicals provides high quality chlorine dioxide in a cost effective manner for usages up to 5 MT/day. Purate® technology is ideal for providing chlorine dioxide to a paper machine or bleaching applications like bagasse, flax, or sulfite mills.

On an alkaline paper machine, chlorine dioxide provides outstanding control of microorganisms and slime. ClO2 is a dissolved gas in water which makes it particularly effective even in the toughest applications.

 
 
 

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Meras Engineering, Inc.
601 Van Ness Ave. #E3-725
San Francisco, CA 94102
P 415.240.4918
F 415.358.4930