Journal
JOURNAL OF CLEANER PRODUCTION
Volume 262, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.121345
Keywords
Altered rock gold tailings; Soda residue; Porous ceramics; Crystal phase transition
Categories
Funding
- National Natural Science Foundation of China [51674161]
- Major Program of Shandong Province Natural Science Foundation [ZR2017ZC0735]
- Open Topic of the Key Laboratory of Gold Mineralization Processes and Resources Utilization, Ministry of Land and Resources [Kfkt201812]
- Shandong Key Laboratory of Mineralization Geological Processes and Resources Utilization in Metallic Minerals [Kfkt201812]
- Research on precious metal mineral achievement integration and tailings comprehensive utilization in Shandong province (Shandong geological exploration document:[2018]) [10]
- Talent introduction program of Shandong University of Science and Technology [2017RCJJ036]
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Utilization of two solid wastes of altered rock gold tailings and soda residue as main raw materials, and investigated the effects of soda residue, Al2O3 and MgO contents on bulk density, compressive strength and crystal phase of porous ceramics. The results showed that porous ceramics with the main crystalline phases of diopside can be prepared from high solid waste content (gold tailings thorn soda residue accounting for 95%) at 1170 degrees C. The addition of MgO made the final product generate augite phase, which improved the compressive strength of the porous ceramics. The best results of bulk density and compressive strength of the final product are 0.50 g/cm(3) and 6.02 MPa respectively. (c) 2020 Elsevier Ltd. All rights reserved.
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