FEATURE Gypsum The role of gypsum in cement
Uttarakhand, Andhra Pradesh and Madhya Pradesh. India's cement production capacity stood at around 502 million tonnes per year (mtpa) in 2018 and is expected to reach 550 mtpa by 2025. Typically, ... plants using the chemical gypsum was the presence of contamination with azo dyes in the gypsum
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