Currently, mainstream synthesis methods for calcium formate in China fall into two categories: primary product synthesis and by-product synthesis. The by-product synthesis method—mainly derived from polyol production—has been gradually phased out due to issues like chlorine gas usage, by-product hydrochloric acid generation, severe medium corrosion, and difficult product separation.
The neutralization method is the main primary product production process, which uses formic acid and sodium formate as raw materials. However, this method has high production costs and low market competitiveness. Therefore, developing a novel green production process that aligns with atom economy is essential to provide technical support for the wider application of calcium formate.

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