最近,由中国有色金属工业协会主持,在焦作市对中铝股份中州分公司完成的“碳分法生产高强度大颗粒氢氧化铝工艺研究”项目进行了技术鉴定。专家认为:连续碳酸化分解工艺是近年来国内烧结法氧化铝生产工艺的新技术,通过对连续碳酸化分解机理的探讨和工艺制度不断的探索实践,研究出较为合理的连续分解作业制度。通过抑制局部过分现象,控制适当的首槽分解速度和合理的分解率梯度,采用精细化操作方法,在保证产品等级、分解率以及CO_2量有所 Recently, China Nonferrous Metals Industry Association presided over the technical appraisal of the project of “Research on High Strength Large Particle Aluminum Hydroxide Production by Carbon Separation” completed by Zhongzhou Branch of Chinalco in Jiaozuo City. Experts believe that the continuous carbonation decomposition process is a new technology for the production of alumina in China in recent years. Through continuous exploration and practice of the mechanism of continuous carbonation and decomposition, a more reasonable continuous decomposition system has been developed. By suppressing local over-phenomena, controlling the appropriate first tank decomposition rate and a reasonable decomposition rate gradient, the use of meticulous operation, to ensure product quality, decomposition rate and the amount of CO_2