What is the production method of calcium formate?

1、中和法

1. Neutralization method

甲酸與熟石灰中和生成甲酸鈣，經(jīng)精制而得商品甲酸鈣

Calcium formate is produced by neutralization of formic acid and hydrated lime and refined to produce commercial calcium formate 

2、復分解法

2. Double decomposition method

甲酸鈉與硝酸鈣在催化劑存在下發(fā)生復分解反應得到甲酸鈣，聯(lián)產(chǎn)硝酸鈉。經(jīng)過精制得到商品甲酸鈣。

Sodium formate reacts with calcium nitrate in the presence of catalyst to produce calcium formate and sodium nitrate. Commercial calcium formate was obtained by refining.
                         

3、環(huán)氧脂肪酸甲酯副產(chǎn)法

3. By product method of epoxy fatty acid methyl ester

目前環(huán)氧脂肪酸甲酯生產(chǎn)發(fā)展較快，這個產(chǎn)品生產(chǎn)過程中會產(chǎn)生大量副產(chǎn)的甲酸，這種副產(chǎn)的甲酸一種利用方案就是生產(chǎn)甲酸鈣。

At present, the production of epoxy fatty acid methyl ester is developing rapidly, and a large number of by-product formic acid will be produced in the production process of this product. One utilization scheme of this by-product formic acid is to produce calcium formate.

4、季戊四醇副產(chǎn)法

4. Pentaerythritol by-product method

季戊四醇生產(chǎn)過程中利用氫氧化鈣提供堿性反應條件，在反應的后續(xù)加入甲酸與氫氧化鈣中和過程的同時副產(chǎn)甲酸鈣，該法所得甲酸鈣品質較高。

In the process of pentaerythritol production, calcium hydroxide is used to provide basic reaction conditions. Formic acid and calcium hydroxide are added to neutralize the reaction and calcium formate is produced as by-product. The quality of calcium formate obtained by this method is high.

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