Blowers clean biologically at the Elmo Leather wastewater treatment plant A case study from EmotronElmo Leather’s new wastewater treatment plant is the first of its kind. The fully biological process has never been tested before in an operation that uses such large quantities of chemicals. Good results mean that the company will lead the way for other tanneries in Europe. Emotron’s variable speed drives control, amongst other things, the blowers that oxygenate the waste water. Leather tannery built its own wastewater plant Elmo Leather AB was founded in 1931 and is one of the world’s largest manufacturers of exclusive leather for the furniture and automotive industries. The parent company is in Svenljunga and there are two subsidiaries, one in the USA and one in Germany. The

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