| Title: | Method for producing adipic acid and chemical fertilizer from adiponitrile tar | ||
| Application Number: | 94110232 | Application Date: | 1994.05.04 |
| Publication Number: | 1097730 | Publication Date: | 1995.01.25 |
| Approval Pub. Date: | Granted Pub. Date: | ||
| International Classifi-cation: | C05C11/00,C07C55/14 | ||
| Applicant(s) Name: | Huang Yulong | Address: | 111003 |
| Inventor(s) Name: | Huang Yulong, Qiu Suwen | ||
| Attorney & Agent: | JIANG GUIZHI | ||
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Abstract: |
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| A method of extracting adipic acid from waste adiponitrile tar in production of adiponitrile involves four steps of extraction, acidolysis, purification and neutralization. It is simple and cost-effective, no secondary pollution is produced. | |||
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| Time: | 10 | ||
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