Gao Bi-yun2026-03-222026-03-222010https://en.cnki.com.cn/Article_en/CJFDTOTAL-LFYF201002010.htmhttps://andeanlibrary.org/handle/123456789/64408For improving the production capacity of concentration unit in Three Circles Branch Company of Yuntianhua,the trial production of two-stage concentration by segmentation series is carried out with E,D plants.The test course and trial production are introduced,with the technical advantages such as improving production capacity of 60%,beneficial to clear the sludge in phosphoric acid etc.The existing problems and their improvement are also proposed.enProduction (economics)Series (stratigraphy)Phosphoric acidSegmentationPulp and paper industryEnvironmental scienceProcess engineeringWaste managementComputer sciencearticle