粉煤灰提铝工艺的现状和发展趋势  

Present Situation and Development Trend of Process for Extracting Aluminum from Fly Ash

作　　者：赵利军 ZHAO Lijun(Beijing Low Carbon Cleaning Energy Institute,Shenhua Group,Beijing,102211)

机构地区：[1]神华集团北京低碳清洁能源研究所,北京102211

出　　处：《神华科技》2017年第6期86-90,共5页Shenhua Science and Technology

基　　金：国家科技部863项目(2012AA06A115);神华科技创新项目基金资助(ST930013SH05)

摘　　要：基于高铝粉煤灰的独特资源优势,中国近年来对粉煤灰提铝进行了深入研发,目前已经接近全面工业化的阶段。这些工艺路线可以分为酸法、碱法和明矾法,具有鲜明的技术特点。多种粉煤灰提铝工艺得到了中试验证,部分已经开始进行工业化示范。在注重开创性研究的同时,粉煤灰提铝将更集中于现有工艺的完善以及提铝副产的开发。Based on unique resource advantages of high alumina fly ash,China has made in-depth researchabout extracting aluminum from fly ash in recent years,which has been close to full industrialization stage.These can be divided into the process of acid,alkali and alum method,and they have distinctive techniquecharacteristics.A variety of fly ash aluminum technologies has been tested in experiment,part have alreadystarted the industrialization demonstration.In the mean time of attaching pioneering research,improve the alu?minum extracting aluminum from fly ash will be more focused on the existing technology and development ofaluminum by-product.

关 键 词：高铝粉煤灰 氧化铝提取 工业化 

分 类 号：TQ133.1[化学工程—无机化工]