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Gypsum
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<blockquote data-quote="Wastexprt" data-source="post: 1860948" data-attributes="member: 5826"><p>Recycled plasterboard gypsum needs deployments as it is a waste at present. Mined gypsum is a product and doesn't need any paperwork to be applied to land. </p><p></p><p>Generally plasterboard gypsum originates from power stations, FGD Gypsum, as part of controlling sulphur emissions. Interestingly, as the big power stations start to close down this source of gypsum is projected to decline along with the plasterboard industry accepting more recovered plasterboard in to plasterboard manufacture. FGD Gypsum is a synthetic product derived from flue gas desulfurization (FGD) systems at power plants. Sulphur dioxide emission control systems used by coal-fired power plants remove sulphur from combustion gases using "scrubbers." One particular type of scrubber that uses lime or limestone reagent (i.e., a substance used in a chemical reaction to produce another substance) and a forced oxidation (i.e., a chemical combination with oxygen) system produces "FGD gypsum," which is chemically nearly identical to mined natural gypsum.</p></blockquote><p></p>
[QUOTE="Wastexprt, post: 1860948, member: 5826"] Recycled plasterboard gypsum needs deployments as it is a waste at present. Mined gypsum is a product and doesn't need any paperwork to be applied to land. Generally plasterboard gypsum originates from power stations, FGD Gypsum, as part of controlling sulphur emissions. Interestingly, as the big power stations start to close down this source of gypsum is projected to decline along with the plasterboard industry accepting more recovered plasterboard in to plasterboard manufacture. FGD Gypsum is a synthetic product derived from flue gas desulfurization (FGD) systems at power plants. Sulphur dioxide emission control systems used by coal-fired power plants remove sulphur from combustion gases using "scrubbers." One particular type of scrubber that uses lime or limestone reagent (i.e., a substance used in a chemical reaction to produce another substance) and a forced oxidation (i.e., a chemical combination with oxygen) system produces "FGD gypsum," which is chemically nearly identical to mined natural gypsum. [/QUOTE]
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