1
calcium aluminates and mixtures for the waste water treatment and exhaust gas purification, and ready for use lime milk and liquid mixtures ready for use in concentrations of 20 to 40 weight per cent for waste water treatment and exhaust gas purification
19
burnt and unburnt lime products for building purposes; ready for use lime mixtures and building materials and binders for overground and underground workings as well as for use in foundation engineering, in industry, and for environmental protection; ready for use lime milk and liquid mixtures ready for use in concentrations of 20 to 40 weight per cent for waste water
42
laboratory testing and research and developments in process technology with mobile pilot plants for use in sewage technology; rendering technical advise and consultation, performing chemical tests and setting up reports in the field of sewage water technology, exhaust gas purification, soil improvement for increasing the load capacity of cohesive soils for road-construction and sealing of dumping places for decreasing the coefficient of the permeability of the soils; designing and planning of systems for waste water and exhaust gas treatment to use lime mixtures
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