Abstract: Harmful metals containing particles being emitted in chemical or physical processes, such as in iron production or in combustion processes, are caught and intimately divided in a molten metallurgic slag in order to avoid pollution problems.
Abstract: A procedure for the treatment of filter cakes obtained during the purification of chemical substances in liquid form, especially during the purification of phosphoric acid obtained by wet methods, whereby a filter cake is dried and heated in the presence of a melt of inorganic material.
Abstract: The present disclosure is directed to a method of weighting gaseous or fluid transmission pipes and storage containers for under water use to maintain them at the greatest possible depth by applying a weighting layer or mass onto the pipe or container by mixing a finely divided steel slag aggregate having hydraulic binding properties with water to obtain a sprayable mixture and spraying the mixture onto the pipe or container to obtain a weighting coating layer thereon which has hydraulic binding properties.
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