Classification and morphological structure of scale in the process of alumina production high pressure digestion | |
Hai Zhu Ma; Fang Huang; Shi Rong Liu; Bo Xu; Hua Long Liu | |
刊名 | Advanced Materials Research
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2014 | |
卷号 | 960-9611页码:274-280 |
关键词 | Alumina Classification Morphological Structure Scale |
英文摘要 | The chemical composition, phase component and morphology characteristics of scale were researched by chemical analysis, XRD, SEM and TEM. The results show that the scale can be divided into iron minerals, silicon minerals, Ca-Ti-Mg minerals and aluminum hydroxide. Alumogoethite and micro-fine sodium-silicon slag fill in the gaps between the neat and bulky hematite crystals. Microgranular hydrated garnet and olivine fill in the gaps between the goethite crystals with a dense layered structure, accompanied by a small amount of galena and apatite precipitation particles. Perovskite and magnesium hydroxide have five periodic sedimentary cycles, forming an alternating sedimentary layer structure. Aluminum hydroxide forms thick scale and presents two kinds of typical structures, spherulitic and laminated. The research provides the theoretical basis for preventing and controlling scale in high-pressure digester group. |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.gyig.ac.cn/handle/42920512-1/11191] ![]() |
专题 | 地球化学研究所_矿床地球化学国家重点实验室 |
作者单位 | 1.Wuchuan Alumina Branch of CPI Guizhou Zunyi Industry Development Company Limited, Zunyi, Guizhou, China 2.Guizhou Branch of CHALCO, Guiyang, Guizhou, China 3.State Key Laboratory of Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, China 4.College of Material and Metallurgy, Guizhou University, Guiyang, Guiyang, China |
推荐引用方式 GB/T 7714 | Hai Zhu Ma;Fang Huang;Shi Rong Liu;Bo Xu;Hua Long Liu. Classification and morphological structure of scale in the process of alumina production high pressure digestion[J]. Advanced Materials Research,2014,960-9611:274-280. |
APA | Hai Zhu Ma;Fang Huang;Shi Rong Liu;Bo Xu;Hua Long Liu.(2014).Classification and morphological structure of scale in the process of alumina production high pressure digestion.Advanced Materials Research,960-9611,274-280. |
MLA | Hai Zhu Ma;Fang Huang;Shi Rong Liu;Bo Xu;Hua Long Liu."Classification and morphological structure of scale in the process of alumina production high pressure digestion".Advanced Materials Research 960-9611(2014):274-280. |
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