US Arch plans to upgrade calcium hypochlorite plant

11 April 2011 16:58  [Source: ICIS news]

HOUSTON (ICIS)--US-based Arch Chemicals plans to upgrade the drying technology at its calcium hypochlorite plant in Charleston, Tennessee, the company said on Monday.

The estimated $30m (€21m) project is expected to be completed by 2012, according to Arch Chemicals company spokesman Dale Walter.

Calcium hypochlorite is a downstream chlor-alkali product. Arch Chemicals produces calcium hypochlorite as a water-sanitising product.

The new drying technology will better enable the processing of calcium hypochlorite when the material is transformed from slurry into powder granules and pellets fit for consumer use, Walter said.

Arch Chemicals said the upgrade also will save operational costs, expand production capacity and reduce greenhouse-gas emissions.

Arch Chemicals has two other plants, in Brazil and South Africa. Last year, the company upgraded to the new drying technology at its South African plant as a pilot test and then decided to bring the new system to the Charleston facility. 

Arch Chemicals will schedule turnarounds in 2011 and 2012 at its Charleston plant in order to complete the technology upgrade, Walter said.

Typically, Arch Chemicals’ maintenance outages are scheduled in the autumn after the North American water treatment season, he said.  

US chlor-alkali producer Olin spun off Arch Chemicals in 1992. Olin continues to supply Arch Chemicals with feedstock through its pipeline from Olin’s Charleston facility, Walter said.

($1 = €0.69)

Paul Hodges studies key influencers shaping the chemical industry in Chemicals and the Economy
For more on the chlor-alkalis visit ICIS chemical intelligence


By: Ruth Liao
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