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Energies 2018, 11(8), 2018; https://doi.org/10.3390/en11082018

Technological Solutions for Recycling Ash Slag from the Cao Ngan Coal Power Plant in Vietnam

1
Hanil Cement Co Ltd., 245 Maepo-gil, Udeok ri, Maepo-eup, Danyang-gun, Chungcheongbuk-do 395-903, Korea
2
Vietnam Institute of Geosciences and Mineral Resources (VIGMR), Hanoi 151170, Vietnam
3
Korea Institute of Geosciences and Mineral Resources (KIGAM), 124 Gwahak ro, Yuseong gu, Daejeon 34132, Korea
*
Author to whom correspondence should be addressed.
Received: 6 July 2018 / Revised: 31 July 2018 / Accepted: 31 July 2018 / Published: 2 August 2018
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Abstract

Annually, coal-fired power plants in Vietnam discharge hundreds of thousand tons of coal ash. Most of this ash goes into the environment without treatment or any plan for the efficient reuse of this precious resource. There are many reasons for this, such as poor quality of the ash, no suitable and feasible ash treatment technology, a lack of awareness about environmental pollution and resource saving, and inappropriate sanctions and policies. This study analyzed and summarized information and data pertaining to the current status of the production, discharge, and utilization of coal ash from the Cao Ngan Power Plant (CNPP) in Thai Nguyen Province, Vietnam. In addition, the potential for applying advanced emission reduction technologies in order to recycle coal ash for cement production, as well as geographical, socio-economic, and market factors were assessed. This paper reveals the results of a preliminary assessment of carbon-mineralization technologies which seek to achieve the following three goals: (1) effectively disposing of coal ash to protect the environment and local community, (2) contributing to the nationally determined effort to mitigate greenhouse gas emissions which cause climate change, and (3) making value-added products and bringing economic benefits to a sustainable society. View Full-Text
Keywords: pre-feasibility; carbon mineralization technology; CO2 utilization; coal power plants; Vietnam pre-feasibility; carbon mineralization technology; CO2 utilization; coal power plants; Vietnam
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Thenepalli, T.; Ngoc, N.T.M.; Tuan, L.Q.; Son, T.H.; Hieu, H.H.; Thuy, D.T.N.; Thao, N.T.T.; Tam, D.T.T.; Huyen, D.T.N.; Van, T.T.; Chilakala, R.; Ahn, J.W. Technological Solutions for Recycling Ash Slag from the Cao Ngan Coal Power Plant in Vietnam. Energies 2018, 11, 2018.

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