| 摘要 |
The process of preparing diphenyl oxide from caustically hydrolyzing chlorobenzene, wherein phenol is a by-product, is improved by recycling the phenol. The improvement not only maximizes the yield of diphenyl oxide while minimizing the yield of phenol, but it also increases the yield of desirable by-products, such as phenylphenols and biphenylylphenyl ethers.
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