Claims
- 1. A process for the production of HMD which comprises: (1) reacting butadiene with hydrogen cyanide in the presence of a hydrocyanation catalyst which comprises nickel(0) and a phosphorous-containing ligand to produce a hydrocyanation reaction product that comprises ADN, organic impurities, catalyst, ligand and phosphorous-containing impurities, (2) separating the catalyst and ligand from the hydrocyantion reaction product to make a crude ADN, (3) removing organic impurites from the crude ADN to make refined ADN, (4) contacting the refined ADN with ozone to produce ozone-treated ADN, (5) removing dissolved oxygen from the ozone-treated ADN to produce ozone-treated, deoxygenated ADN and (6) contacting the ozone-treated, deoxygenated ADN with hydrogen in the presence of an iron-containing hydrogenation catalyst to produce a hydrogenation reaction product that comprises HMD.
- 2. The process of claim 1 in which the phosphorous-containing impurities comprise compounds that contain phosphorous in the +3 oxidation state.
RELATED APPLICATION
This application is a continuation-in-part of U.S. application Ser. No. 09/664,569, filed Sep. 18, 2000.
Foreign Referenced Citations (1)
Number |
Date |
Country |
672712 |
Oct 1963 |
CA |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
09/664569 |
Sep 2000 |
US |
Child |
09/839808 |
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US |