Manufacture of granular fertilizers |
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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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说明书全文 |