§ Dr. David Clarkasked the Secretary of State for the Environment what studies his officials have undertaken or commissioned into the environmental impact of various flue gas desulphurisation systems for use at coal-fired power stations; what systems have been investigated; and what results and conclusions have been yielded.
§ Mr. RidleyAt the request of my Department, the Fellowship of Engineering is preparing an extensive report on individual process and abatement technologies applicable to stationary and mobile sources of pollution arising from the combustion of fossil fuels, including all the main flue gas desulphurisation processes.
The study, which includes an appraisal of the process costs, operating experience, material requirements and ease of by-product disposal, is nearing completion and I expect it to be available for publication in the autumn.