发明名称 |
NITRIC ACID OXIDATION PROCESSES |
摘要 |
A process utilizing nitric acid and oxygen as co-oxidants to oxidize aldehydes, alcohols, polyols, preferably carbohydrates, specifically reducing sugars to produce the corresponding carboxylic acids. |
申请公布号 |
US2014275623(A1) |
申请公布日期 |
2014.09.18 |
申请号 |
US201414206796 |
申请日期 |
2014.03.12 |
申请人 |
Rivertop Renewables, Inc. |
发明人 |
Donen Steven;Hash Kirk;Smith Tyler;Jensen Keith |
分类号 |
C07C51/31;C07B41/08 |
主分类号 |
C07C51/31 |
代理机构 |
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代理人 |
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主权项 |
1. A method of synthesizing a mixture of organic acids, the method comprising the steps of:
(a) combining, over time, in one or more closed reaction vessels, under a positive pressure of oxygen and with continuous stirring mixing an organic compound suitable for nitric acid oxidation and an aqueous solution of nitric acid to form a reaction mixture, wherein the organic compound and the aqueous solution of nitric acid are concurrently introduced into the one or more closed reaction vessels; (b) flowing said reaction mixture through the one or more closed reaction vessels while (i) maintaining a controlled temperature of from about 5° C. to about 105° C. in a portion of the reaction vessel, (ii) maintaining a reaction vessel headspace temperature of from about 80° C. to about −42° C.; and (iii) a controlled positive pressure of oxygen of from about 0 barg to about 1000 barg for a time period suitable to oxidize the organic compound to a subsequent reaction mixture comprising a mixture of organic acid products and nitrogen oxides; and (c) removing most of nitric acid from the subsequent reaction mixture to give a final reaction mixture of organic acids suitable for further processing. |
地址 |
Missoula MT US |