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一、试验过程同和矿业公司冈山研究室于1969年开始新的酸厂尾气脱硫方法的研究,注意到碱性硫酸铝的水溶液能较好地吸收二氧化硫,逐步发展了称为“碱性硫酸铝——石膏法”的新的脱硫方法。1970年进行小型连续试验,随后,于1971年使用300标米~3/时的第1号中型装置进行试验。从1972年10月以来,它以千叶县茂原冶炼厂的含SO_20.75%,流量3500标米~3/时,温度100℃的排放烟气为处理对象,已经正常的连续运行。
First, the test process With the mining company Okayama Research Laboratory in 1969 began a new acid plant tail gas desulfurization method, noticed that alkaline aqueous solution of aluminum sulfate can better absorb sulfur dioxide, the progressive development of the so-called “basic aluminum sulfate - gypsum law ”of the new desulfurization method. A small continuous test was carried out in 1970, followed by a medium-sized installation No. 1 at 300-3 mph in 1971. Since October 1972, it has been operating normally at a discharge rate of 100 ° C with SO_20.75%, flow rate of 3500~3, and Mao-smelter in Chiba Prefecture.