Management of solid waste marble powder: improving quality of sodium chloride obtained from sulphate-rich lake/subsoil brines with simultaneous recovery of high-purity gypsum and magnesium carbonate hydrate

Marble industry worldwide produces large amount of non-degradable marble dust powder (MDP) waste during mining and processing stages. MDP mainly comprises of CaCO 3 with small amounts of Mg, Fe or Si in various forms. In India, mainly in Rajasthan state, marble is quarried in huge amounts and MDP th...

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Veröffentlicht in:	Environmental science and pollution research international 2022-06, Vol.29 (26), p.40068-40078
Hauptverfasser:	Sanghavi, Rahul J., Upadhyay, Sumesh C., Kumar, Arvind
Format:	Artikel
Sprache:	eng
Schlagworte:	Abandoned land Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Brines Calcium carbonate Calcium Carbonate - analysis Calcium chloride Calcium ions Calcium Sulfate - chemistry Crystallization Crystals Disposal sites Earth and Environmental Science Ecotoxicology Emission analysis Environment Environmental Chemistry Environmental Health Environmental science Field emission microscopy Fractional crystallization Gypsum Impurities India Industrial applications Lakes Magnesium Magnesium carbonate Magnesium chloride Marble Powders Purity Research Article Salts Scanning electron microscopy Slurries Sodium carbonate Sodium chloride Sodium Chloride - chemistry Sodium sulfate Soil contamination Solid Waste Solid waste management Solid wastes Spectral methods Subsoils Sulfates Waste Water Technology Water Management Water Pollution Control
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