【摘要】 <正> 我厂是林区小厂,1973年投产,生产硫酸盐化学松木浆,原设计能力为日产5吨,现已达10吨。碱回收车间自1975年投产以来,与制浆车间保持同步,连续地运转,日回收活性碱量(以NaOH计)达1.4—2.1吨,碱回收率达50—55％,它对提高企业的效益发挥了举足轻重的作用,是我厂赖以生存和发展的强大支柱。兹就我厂实践情况介绍如下,并略谈建设更多还原

【Abstract】 The installation, equipments and operations of the chemical recovery system in Shun-Chang mill were described. Chemical recovery for small-scale pulp mill was proved to be sound enough, both technically and economically. About 85% black liquor extraction was attained in the mill, and chemical recovery rated 50-55%. Alkali recovered amounted to 1.4-2.1 tons NaOH per day. The cost of recovered alkali was substantially cheaper than purchased caustic. Advantages claimed included: recovery of alkali, better environmental protection, saving of energy and economical benefits. The survival and farther expansion of Shun-Chang mill depends very much on such a chemical recovery system.更多还原