SO2 reduction deadline looms for molybdenum smelter

Time is running out for Ferro Alloys & Metals' molybdenum smelter in Glossop, Derbyshire, to comply with an improvement notice requiring a 70% cut in its sulphur dioxide emissions. With three months to go before the notice bites, the firm intends to comply by cutting its throughput rather than installing flue gas desulphurisation (FGD) equipment - raising questions about the plant's commercial viability.

The smelter has been attracting opposition from local residents for several years, principally because of the grounding of the plume from its 300-foot stack. Glossop is situated in a deep valley, and the grounding problem is particularly severe during temperature inversions.

HM Inspectorate of Pollution (HMIP) served the improvement notice in 1987, specifying that the SO2 emissions must be cut to 113 kilograms per hour. A subse

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