Manufacture of granular fertilizers

申请号 US21726462 申请日 1962-08-16 公开(公告)号 US3186827A 公开(公告)日 1965-06-01
申请人 SCOTTISH AGRICULTURAL IND LTD; 发明人 ALLAN BROWNLIE ISAAC; ANDREW WEMYSS GEORGE;
摘要
权利要求
1. A PROCESS FOR THE PRODUCTION OF GRANULAR MIXED FERTILIZER COMPRISING MIXING SOLID AMMONIUM PHOSPHATE HAVING AN N:P ATOMIC RATIO OF FROM 0.95 TO 1.6 AND A MOISTURE CONTENT OF UP TO 15%, WITH OTHER CONVENTIONAL FERTILIZER INGREDIENTS, AND THEREAFTER SUBJECTING SAID MIXTURE TO WET GRANULATION, SAID AMMONIUM PHOSPHATE CONTRIBUTING AT LEAST5% P2O5 TO THE END PRODUCT AND PROVIDING AT LEAST 15% OF THE MOISTURE FOR THE WET GRANULATION THEREBY SERVING AS THE GRANULATING AGENT.
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