Carbon Monoxide-Water Reduction Method
This is another method for producing formic acid. The process flow is as follows:

(1) Raw Material Preparation:
Carbon monoxide and water are pretreated to achieve the required purity and concentration.

(2) Reduction Reaction:
Carbon monoxide and water are heated to a specific temperature, where CO undergoes a reduction reaction to produce formic acid and carbon dioxide.

(3) Separation and Purification:
The reaction products are separated and purified, typically through distillation.

(4) Waste Gas Treatment:
The process generates waste gases containing CO and CO₂, which are treated using absorption or purification methods.

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