1974
DOI: 10.1021/i160050a007
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Abstract: Catalytic oxidation of phenol in aqueous solution over supported copper oxide was studied in the batchwise mode at atmospheric and above-atmospheric pressure and between 369 and 419°K. The reaction undergoes an induction period and transition to a much higher, steady-state activity regime. The reaction is first order with respect to phenol in both regimes, but the oxygen dependency decreases from first to one-half order in shifting from the induction period to the steady-state activity regime. The rate shows o… Show more

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Cited by 160 publications
(113 citation statements)
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“…Cu0803 has a short induction period in which the phenol conversion increases to a maximum of 78%. This induction period has also been found in other studies dealing with copper oxidation catalysts [2,3], and is related to the oxidation mechanism by radicals. Once the phenol conversion reaches the maximum (about 24 h), the catalyst activity drops rapidly.…”
Section: Resultssupporting
confidence: 81%
See 1 more Smart Citation
“…Cu0803 has a short induction period in which the phenol conversion increases to a maximum of 78%. This induction period has also been found in other studies dealing with copper oxidation catalysts [2,3], and is related to the oxidation mechanism by radicals. Once the phenol conversion reaches the maximum (about 24 h), the catalyst activity drops rapidly.…”
Section: Resultssupporting
confidence: 81%
“…between 17 and 37. In accordance with previous results reported for similar reaction conditions, trials presuming zero order [32] or ®rst order [3,5] of reaction with respect to the phenol concentration were done. For each reaction order, the differential phenol mass balance in the reactor was integrated.…”
Section: Resultsmentioning
confidence: 70%
“…Hamilton et al (1969) described such a process using a magnesia catalyst at 100OC. Sadana and Katzer (1974) have reported conversions of phenol to carbon dioxide of as high as using a copper oxide catalyst at 145OC and 17 atm pressure. Not enough oxygen can be dissolved in water to give high conversions and still operate the reactor liquid full.…”
Section: Scopementioning
confidence: 99%
“…Although Cu (11) has been shown to be active for oxidation of the eMuent [Wang et al, 19821, heterogeneous catalyst is preferred, because it avoids the need for the removal of toxic catalyst in the treated water streams. In contrast to many investigations on catalytic oxidation of individual organic compound in liquid phase [Sadana and Katzer, 1974;Ito et al, 1989;Imamura et al, 1982;1986;1985;1988;Levec et al, 1976;1990;Pintar and Levec, 1992;Sanger et al, 19921, the information on catalytic oxidation of the multicomponent mixtures of organic pollutants in industrial wastewater streams, such as bleach plant effluent, is extremely limited. Recently, we have shown that an aluminasupported palladium catalyst is very active for the oxidation of the effluent (pH 11) from the pulp extraction stage in the bleach plant of Weyerhauser Canada Ltd. [Zhang and Chuang, 1998al.…”
mentioning
confidence: 99%