文章基本信息

标题：PREPARATION OF SULPHOALUMINATE CEMENT WITH RESIDUE OF MANGANESE DIOXIDE ORE LEACHED BY SO2
本地全文：下载
作者：Bo-zhi Wang ; Shi-jun Su ; Sang-lan Ding 等
期刊名称：Fresenius Environmental Bulletin
印刷版ISSN：1018-4619
出版年度：2017
卷号：26
期号：7
页码：4588-4594
语种：English
出版社：PSP Publishing
摘要：In this study, the physical and chemical properties of residue of manganese dioxide ore (RMDO),a type of solid waste derived from the reductive leaching of manganese by S〇2, were analyzed. Subsequently, RMDO was used as a raw material for the preparation of sulphoaluminate cement mixed with limestone and bauxite, according to the formula calculated by the three rates (Cm, P, N). The effect of sintering time, holding time, plaster addition on alkalinity, mechanical properties and setting time of cement were investigated. The findings demonstrate the feasibility of sulphoaluminate cement preparationusing RMDO, since the various indicators of the prepared sulphoaluminate cement all reached the national standard of sulphoaluminate cement (GB20427-2006).The changing regularity of cement's alkalinity and setting times was within a control range, compared to traditional cement. In the same formulation of raw material, sintering temperature and plaster addition were found to have a great impact on clinker strength, whereas the holding time had little impact on strength.
关键词：Residue of manganese dioxide ore;Sulphoaluminate cement;Compressive strength;Alkalinity