Dense soda ash


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Tata Chemicals uses the Solvay process to manufacture dense soda ash as well as light soda ash. We are the world's second-largest producer of soda ash and the most geographically diversified soda ash company. Our manufacturing facilities in India, the UK, the US and Kenya constitute an efficient supply chain that can service customers across the globe.

We have a global capacity of around 5.5 million tonnes of soda ash per annum, of which 60 percent is from natural deposits at Wyoming, US, and Lake Magadi, Kenya. Besides, the company owns 35 percent of the global low-cost and sustainable natural soda ash capacity.

Soda ash is most commonly used in:

  • Manufacture of glass, where it reduces the melting temperature of the sand used in glass formation and helps in the 'workability' or shaping of glass articles such as tableware and float glass,     
  • Making soaps and detergents, where it is employed as a builder, or filler, to give a smoother surface,      
  • Production of chemicals such as sodium silicate, sodium bicarbonate and percarbonate, and sodium chromate and dichromate,    
  • Pulp and paper manufacture, water treatment, effluent treatment, metallurgy and drugs.     

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