PHOSPHORIC ACID PRODUCTION GYPSUM FILTRATION FLOCCULANT PRE-DILUTION (MAKE DOWN) WITH POST-FILTRATION PHOSPHORIC ACID
摘要
<p>A method for minimizing the addition of water to a phosphoric acid production process is described. The method uses phosphoric acid to make down a flocculant that is added to the process in order to promote filtration or clarification of crude phosphoric acid. Preferably, the phosphoric acid is a crude, clarified phosphoric acid that is recycled from the phosphoric acid production process itself.</p>
申请公布号
WO2012094286(A2)
申请公布日期
2012.07.12
申请号
WO2012US20033
申请日期
2012.01.03
申请人
NALCO COMPANY;DAVIS, RONALD V.;MOSS, WAYNE L.;STROMINGER, MICHAEL G.;RENZELLO, RANDON;FAIGL, THOMAS A.;HAY, DANIEL N. T.
发明人
DAVIS, RONALD V.;MOSS, WAYNE L.;STROMINGER, MICHAEL G.;RENZELLO, RANDON;FAIGL, THOMAS A.;HAY, DANIEL N. T.