Siemens‘ Industrial Solutions and Services Group (I&S) has supplied the design and equipment for a purifying plant that removes nitrogen (nitrification/denitrification) from wastewater arising in the course of the manufacture of pharmaceutical products. This plant is located in Wuming, South China, and is operated by Degussa Rexim (Nanning) Pharmaceutical Co. Ltd., a wholly-owned subsidiary of Degussa (China) Co. Ltd. The scope of delivery by the I&S Water Technologies Division also includes the electrical equipment, instrumentation, and automation systems.
In 2004, Degussa decided to transfer the production for producing the amino acid L-methionine for the pharmaceutical industry to Wuming, near Nanning, and to construct a plant with a production capacity of over 300 tonnes. L-methionine is used for example as active ingredient in infusion solution or in preparations for treating infections. The new production plant came into operation in the same year, and is the largest plant of its type in the world.
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