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- Subject
- Fertilizer Technologychemical-engineering › fertilizer-technology
- Published
- 11 Mar 2019
- Last updated
- 28 May 2026
Explanation
During the wet process for manufacturing ortho-phosphoric acid, butanol is employed as the solvent to extract phosphoric acid (H3PO4) from the calcium chloride (CaCl2) solution obtained after hydrochloric acid leaching. Other solvents like isopropanol, toluene (methylbenzene), and hexane are not typically used for this extraction.
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