Polluted water purification
AssigneePhillips Petroleum Company
InventorsFloyd Farha, Jr., E. O. Box, Jr.
Life of this patent
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Abstract
Organically polluted waters are purified by contacting with a solid copper-manganese-oxygen catalyst promoted with an iron group metal under oxidizing conditions. In one preferred embodiment, an aqueous stream obtained from the effluent of an oxidative dehydrogenation process containing contaminating oxygen-containing organic materials is subjected to oxidizing conditions in the presence of a copper-manganese-iron-oxygen catalyst to convert the water to a potable aqueous product.
Claims9
A process for the purification of aqueous streams containing organic material impurities dissolved and suspended therein to aqueous products substantially free of organic material which comprises contacting an aqueous stream containing oxidizable organic pollutant impurities and an oxygen-containing gas with an iron group metal promoted solid copper-manganese-oxygen spinel structure catalyst consisting essentially of about 20-65 weight percent copper, about 20-65 weight percent manganese, about 5-50 weight percent iron group metal(s), and the balance oxygen in an amount which is sufficient to meet the valence requirements of the metal components of the finished catalyst under liquid phase oxidation conditions including a temperature ranging from about 300.degree. F to about 575.degree. F and a ratio of water to oxygen ranging from about 5:1 to 200:1 sufficient to convert said organic materials to innocuous materials, thereby converting said aqueous stream to a potable aqueous product which can be safely discarded or reused.
A process for the purification of aqueous streams containing organic material impurities dissolved and suspended therein to aqueous products substantially free of organic material which comprises contacting an aqueous stream containing oxidizable organic pollutant impurities and an oxygen-containing gas with an iron group metal promoted solid copper-manganese-oxygen spinel structure catalyst consisting essentially of about 20-65 weight percent copper, about 20-65 weight percent manganese, about 5-50 weight percent iron group metal(s), and the balance oxygen in an amount which is sufficient to meet the valence requirements of the metal components of the finished catalyst under vapor phase oxidation conditions including a temperature ranging from about 300.degree. F to about 1200.degree. F and a ratio of water to oxygen ranging from about 10:1 to about 200:1 sufficient to convert said organic materials to innocuous materials, thereby converting said aqueous stream to a potable aqueous product which can be safely discarded or reused.
Dependencies are inferred from the claim text.