该方法将生石灰消化渣经磨机湿法磨成90%过60目料浆，再用此料浆来预中和钛白酸性废水。
The method comprises: wet-grinding quicklime digestion dreg into 60 mesh slurry (90%), and pre-neutralizing the acidic wastewater of titanium dioxide with the slurry.
针对预中和反应槽-管式反应器混合工艺生产磷酸二铵产品时，产品水含量波动较大的生产现状进行了分析。
An analysis is made of the present status of production of DAP by the mixed process of preneutralization reactor tank-pipe reactor, as the moisture content of the product fluctuates greatly.
介绍铬酸酐生产中，含铬硫酸氢钠废料用于前工段中和、预酸化。
The paper introduces the application of chromic flotsam natrium bisulfate in the course of neutralization and pre acidification in industry of chromic acid anhydride.
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