coal calcium carbonate

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  Calcium carbonate promotes the formation and stability of …

  202431 · The distribution and stability of aggregates in soil reclaimed following coal mining at different times since reclamation and under different fertilization treatments were explored, and the contribution of cementing agents to the distribution ratio and stability of aggregates was quantified systematically in this study.

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  Urease-aided calcium carbonate mineralization for …

  201891 · The concept of using urease-aided calcium carbonate mineralization as a strengthening, consolidating or sealing/plugging technique, represents a promising development in the processes of remediation, cementation and deposition, employed in various engineering fields, notably geotechnical, construction and environmental, also …

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  Experimental study of microorganism-induced calcium carbonate ...

  The treatment of coal gangue solid waste and microbially induced calcium carbonate precipitation (MICP) consolidate technology is a focus of research at home and abroad. MICP technology was used to solidify and cement coal gangue particles and endows them with a certain strength. The process does no …

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  Microbial induced calcium carbonate precipitation in coal …

  2019712 · The long-term storage of coal ash in impoundments can lead to concerns of structural stability as well as trace element migration to local surface water and groundwater sources. Microbial induced calcium carbonate precipitation (MICP) offers a potential approach for minimising leachability of heavy metal trace elements from coal …

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  Coprecipitation of Heavy Metals in Calcium Carbonate from Coal …

  These results suggest that mineralization of heavy metals via coprecipitation in metastable carbonate phases is a more effective strategy for immobilizing toxic elements than solubility would suggest and is a promising environmental remediation strategy.

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  Integration of the calcium carbonate looping process into an …

  2018715 · This work focuses on the techno-economic and environmental evaluation for an existing pulverised coal-fired power plant retrofitted with the calcium carbonate looping (CCL) process.

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  Simulation on coal combustion and calcium carbonate …

  20231125 · The Eulerian-Lagrangian model used in this study considers the chemical reaction model of coal pyrolysis model, gas phase combustion model, carbon combustion and gasification model, and the generation and emission model of major gaseous pollutants (NO, N 2 O, SO 2 ), and the decomposition model of calcium carbonate is also introduced.

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  Scrubbing: Optimizing Flue Gas Desulfurization Technologies Is Essential

  200691 · The base consists of calcium carbonate (CaCO 3) and, generally, to a much smaller extent, magnesium carbonate (MgCO 3 ), in the limestone.

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  Calcium-promoted catalytic activity of potassium carbonate …

  2013101 · In previous papers, we reported the K 2 CO 3 -catalyzed steam gasification of coal for production of hydrogen-rich gas [1] and the promoted catalytic activity of potassium carbonate for char gasification by addition of different calcium species to …

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  High-value application of inorganic–organic surface modification coal ...

  20231215 · Abstract To attain high-value utilization of coal gasification fine slag (CGFS), a mechanical-chemical activation treatment for CGFS was presented in this study. Heavy calcium carbonate (CC) was employed as an equivalent filler.

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