Regarding sodium metabisulfite
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What is the current market situation for sodium metabisulfite?
It is mainly used in the hydrosulfite industry; nowadays, sodium pyrosulfite is basically a by-product of sulfuric acid or other industries!
Tongling in Anhui is building a plant with a capacity of 10,000 tons, which will use sulfur dioxide gas prior to sulfate conversion and soda ash as raw materials; it is expected to come online at the beginning of next year.
In 2011 and 2012, there was a large supply of this product, with a profit of around 200 yuan per ton
These days, sulfur from refineries is commonly used to react with air to produce sulfur dioxide, which is then reacted with slightly wet soda ash to yield sodium metabisulfite. The price of sulfur from refineries is 750 yuan per ton, soda ash costs 1350 yuan per ton, while sodium metabisulfite is only 1750 yuan per ton. Profits are closely related to the prices of these raw materials, and further market research is needed