【摘要】 从贵州省情出发 ,通过方案比较 ,采取酸沉析回收粗木素治理黑液、木素改性再利用方案 ,黑液的污染将得到有效治理 ,而且还将获得新的经济效益。初步估算 :每回收 1吨粗木素可净增效益 10 0元 ,粗木素改性利用后还可以产生新的经济效益 ,这对促进地方经济持续发展和社会稳定都很有意义。方案中的有关技术都有生产和生产性中试基础 ,方案具备可行性更多还原

【Abstract】 According to the local conditions and the comparison between different proposals,the reclaiming of rough lignin by acid settlement and the reuse of processed lignin are adopted as the most economically effcient project to treat the black liquor pollution.A primary estimate shows that a recovery of 1000 kg of rough lignin will bring 100 renminbi yuan of net income to the enterprise,not including the economic benefits from the usage of the processed lignin.The relevant technology is based on the production and experiments,so it is completely feasible.更多还原