发明授权
US4317919A Recovery of bromine from effluent gases in the oxidation of substituted aromatics to form aromatic carboxylic acids 失效
在废气中回收溴,在氧化取代的芳族化合物中形成芳族羧酸

Recovery of bromine from effluent gases in the oxidation of substituted
aromatics to form aromatic carboxylic acids
摘要:
In the oxidation of a substituted aromatic compound such as p-xylene using a heavy metal catalyst promoted by bromine the effluent gases from the oxidation contain methyl bromide and are treated for the recovery of bromine. A variety of methods are described whereby the bromine may be recovered, preferably in a form suitable for reuse in the oxidation process.
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