Water Reducing Agent To Desulphurization Gypsum Modified Research And Performance Attribute

Desulfurization gypsum also called smoke desulfurization gypsum, sulfur gesso or FGD (flue gas desulfurization gypsum plaster), is to the sulfur fuel (coal, oil) after combustion flue gas produced decarbolize purification processing get industrial byproduct gypsum。At present, coal-burning used more wet limestone-gypsum desulfurization, this method in the method of environmental pollution of SO2 relief more at the same time have the security, safe, efficient, abundant raw materials, economical and practical advantages, has become the most widely used at home and abroad, the mature way, get the popularization. But so have left a large industrial maternity desulfurization gypsum, with the desulfurization gypsum of piled up, much of the land occupied, if not put to good use, certainly will deal with these industrial by-product to environmental protection and land resources brings the enormous challenge.The comprehensive utilization of desulfurization gypsum research work began in the late 1970s in the early 1980s, until now, many countries have formed a comparatively perfect research, development and application system. From Europe, America, Japan and other countries attaches great importance to the industrial byproduct gesso utilization, At present, our country desulfurization gypsum in only a few applications in the field, only in some building materials gesso, auxiliary material, cement embankment landfill materials for application, and also has not been formed industrial scale, and desulfurization gypsum itself also exist many restrict its use of the factors, desulfurization gypsum and using actual problems existing in the ahead of its theoretical research pace, facing the desulfurization gypsum application, failure to further desulfurization gypsum physical and chemical properties, the system of theoretical research analysis has become a top priority.Overseas for desulfurization gypsum exploitation has almost thirty years of history, accumulate summed up many valuable experience. To desulfurizing process quality control and desulfurization gypsum desulfurization gypsum utilization in the process of technical requirements are very demanding, and expanding the application field of desulfurization gypsum, according to the desulfurization gypsum in various industries using different characteristics formulate relevant technical standards, this is our country in the future development of desulfurization gypsum industry should learning experience, we should according to our country desulfurization gypsum characteristic of oneself, find a suitable for desulfurization gypsum development of broad road. Figure 27 table25 reference 66...