| Title: | Process for preparing humic acid | ||
| Application Number: | 02150088 | Application Date: | 2002.11.26 |
| Publication Number: | 1420119 | Publication Date: | 2003.05.28 |
| Approval Pub. Date: | Granted Pub. Date: | ||
| International Classifi-cation: | C07G1/00,C08H5/02 | ||
| Applicant(s) Name: | Lu Junzhen | Address: | 017400 |
| Inventor(s) Name: | |||
| Attorney & Agent: | he shuzhen | ||
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Abstract: |
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| A process for preparing humic acid includes such steps as pulverizing peat or weathered coal, adding alkaline solution, stirring, adding ammonium salt, stirring, sealing, reaction baking and pulverizing. Its advantages are simple process, high concentration and low cost. | |||
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| Time: | 5 | ||
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