SYNTHETIC GYPSUM FERTILIZER PRODUCT AND METHOD OF MAKING

申请号 PCT/US2013054212 申请日 2013-08-08 公开(公告)号 WO2014026048A3 公开(公告)日 2014-03-27
申请人 CHARAH INC; 发明人 GINN TERRELL DALLAS; GRAY DANNY LYNN;
摘要 Embodiments of the invention are directed to pelletized synthetic gypsum and methods and systems for producing pelletized synthetic gypsum. Synthetic gypsum is combined with a binder composition and pelletized to a desired size. The binder composition may include lignosulfonate. Additives may be included in the pellets such as various plant nutrients and micro-nutrients. An additive may include elemental sulfur. The resulting pellets may have a mean pellet size guide number (SGN) from approximately 150 to approximately 300 and a crush strength from approximately 2 Ibf to approximately 12 Ibf.
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