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冶金部于1980年4月15日至20日在鞍山齐大山选矿厂召开了齐大山红矿选矿工业试验鉴定会。会议对自1975年10月第一次红矿攻关会议以来已经完成选矿工业试验的技术方案进行鉴定和评议。会议期间,代表们听取了参加齐大山红矿试验单位的代表介绍的五个选别工艺流程和两种石油磺酸钠浮选药剂的试验情况;参观了鞍山冶金矿山公司矿山研究所试验厂和齐大山铁
Ministry of Metallurgical in April 15, 1980 to 20 at the Anshan Qidashan Concentrator held a Qidashan red ore dressing industry test appraisal. The meeting on October 1975 since the first red mine research conference has been completed beneficiation industry technical program for identification and evaluation. During the conference, delegates listened to the five sorting processes introduced by representatives of the Qidashan Hongmi experimental unit and the experiments on two kinds of petroleum sulfonate flotation reagents. They visited the pilot plant of Anshan Metallurgical Mine Company Institute of Mines and Qi Dashan iron