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    Performance Patents and Proprietary Technologies
    Serial number Project name Patent type Issuing unit Issue time
    1 A high-purity phosphoric acid purification and energy conservation device Utility Model Patent CNIPA 2016
    2 An exhaust gas dedusting device for ammonium phosphate nitrate production Utility Model Patent CNIPA 2016
    3 A high efficiency reaction kettle for DAP production Utility Model Patent CNIPA 2016
    4 Tail gas scrubbing control plant for exhaust gas from ammonium phosphate production Utility Model Patent CNIPA? 2012
    5 Treatment system for exhaust gas from ammonium phosphate production Utility Model Patent National Intellectual Property Administration, PRC (CNIPA) 2012
    6 Dedusting new process of ecru dibasic ammonium phosphate (DAP) using desiccative hot air Design Pty Tech of Chem Industry CCESDA 2012
    7 5 kt/a pyrethrum extraction technology Design Pty Tech of Chem Industry CCESDA 2012
    8 35 kt/a high-purity phosphoric acid purification and energy conservation technology Design Pty Tech of Chem Industry CCESDA 2009
    9 Tail gas scrubbing technology of exhaust gas from ammonium phosphate production Design Pty Tech of Chem Industry CCESDA 2009
    10 5 kt/a pyrethrum extraction plant of Yuxi Subcritical Plants Chemical Co., Ltd. Design Pty Tech of Chem Indus CCESDA? 2007
    11 20 kt/a single-column single-series phosphoric acid plant by furnace process Design Proprietary Technology of Chemical Industry,(Design Pty Tech of Chem Industry) China Petroleum & Chemical Engineering Survey and Design Association (CCESDA) 1994
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