98/00747 27th International conference o
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Article
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1998
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Elsevier Science
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The waste gases produced from phthalic anhydride manufacture over metallurgical slags activated by leaching with oxalic acid and promoted with Co104, CuCo201, or CuC204 were oxidized with 100% removal efficiency of phthalic and maleic anhydrides. This figure was 98% in the removal of naphthoquinone