CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Preparation of sintered foamed ceramics derived entirely from coal fly ash
Luc, Yang1,2; Zheng, Shili1; Ma, Shuhua1; Liu, Chunli1,2; Wang, Xiaohui1
2018-02-28
Source PublicationCONSTRUCTION AND BUILDING MATERIALS
ISSN0950-0618
Volume163Pages:529-538
AbstractA new foamed ceramic was successfully synthesized entirely from coal fly ash (CFA). Before sintering, the CFA was pretreated with an alkali activation that evenly coated CFA particles with a layer of hydroxysodalite crystals. Because of the pretreatment, the alkali activated CFA underwent a self-foaming reaction during sintering. When sintered at 1200 degrees C, the foamed ceramics exhibited optimal properties, including an apparent density of 0.41 g/cm(3), porosity of 83.60%, a compressive strength of 8.3 MPa, and thermal conductivity of 0.0983 W/m.K. The leaching toxicity tests revealed that the hazardous heavy metals were encapsulated within the glassy phases during sintering. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordCoal Fly Ash Alkali Activation Foamed Ceramic Thermal Insulation Property Leaching Toxicity
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.conbuildmat.2017.12.102
Indexed BySCI
Language英语
WOS KeywordFOAMING AGENT ; WASTE GLASS ; RED MUD ; SILICATE ; DYNAMICS ; CONCRETE ; TILES
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
Funding OrganizationMajor State Basic Research Development Program of China(2013CB632601) ; Xilingol Vocational College ; Defar (plain) Technology Co., Ltd.
WOS IDWOS:000426225200050
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23994
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Luc, Yang,Zheng, Shili,Ma, Shuhua,et al. Preparation of sintered foamed ceramics derived entirely from coal fly ash[J]. CONSTRUCTION AND BUILDING MATERIALS,2018,163:529-538.
APA Luc, Yang,Zheng, Shili,Ma, Shuhua,Liu, Chunli,&Wang, Xiaohui.(2018).Preparation of sintered foamed ceramics derived entirely from coal fly ash.CONSTRUCTION AND BUILDING MATERIALS,163,529-538.
MLA Luc, Yang,et al."Preparation of sintered foamed ceramics derived entirely from coal fly ash".CONSTRUCTION AND BUILDING MATERIALS 163(2018):529-538.
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