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Method of production of a fermentation broth containing xanthan and devoid of pyruvate and its application to the extraction of the oil
Method of production of a fermentation broth containing xanthan and devoid of pyruvate and its application to the extraction of the oil
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机译:含有黄原胶和无丙酮酸的发酵液的生产方法及其在油中的应用
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摘要
A mutant strain of the genus Xanthomonas produces a pyruvate-free biopolymer. This biopolymer and the deacetylated form of this new biopolymer provide mobility control solutions which are especially useful for enhanced oil recovery where high brine applications are involved. The mobility control solutions of the present invention may be made from whole or filtered fermentation broth containing the pyruvate-free biopolymer or its deacetylated form. Alternatively, the biopolymer or its deacetylated form may be recovered from the broth and the recovered product used to form the desired mobility control solutions.
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