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活性炭對2,4-二氯苯酚的催化臭氧化降解
摘要: 研究了粒狀活性炭(GAC)對2,4-二氯苯酚(2,4-DCP)臭氧化降解的催化性能.由于活性炭的吸附和催化作用,提高了2,4-DCP的分解.在酸性條件下具有較高的催化臭氧化效率,而酸性和堿性的強(qiáng)弱對2,4-DCP的分解幾乎沒有影響.活性炭的重復(fù)使用實驗表明活性炭在臭氧化處理過程中可以得到原位再生,多次使用后其催化活性幾乎沒有降低. Abstract: Ozonation treatment of 2,4-dichlorophenol (2,4-DCP) with granular activated carbon (GAC) in a fluid bed reactor was investigated, and enhanced 2,4-DCP decomposition was obtained when GAC amount increased. Higher efficiency of catalytic ozonation could be achieved in acid pH, but the influence of the strength of acid and basic pH could be neglected. The results of repeated use showed that GAC could be efficiently regenerated in situ in the reactor and maintain its high activity. 作 者: 曲險峰 鄭經(jīng)堂 張延宗 QU Xian-feng ZHENG Jing-tang ZHANG Yan-zong 作者單位: 中國石油大學(xué)重質(zhì)油加工國家重點實驗室,山東東營,257061 期 刊: 中山大學(xué)學(xué)報(自然科學(xué)版) ISTICPKU Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS SUNYATSENI 年,卷(期): 2007, 46(z1) 分類號: X131.2 X703 關(guān)鍵詞: 催化臭氧化 2,4-二氯苯酚 GAC吸附 GAC再生 Keywords: Catalytic ozonation 2,4-dichlorophenol GAC adsorption GAC regeneration【活性炭對2,4-二氯苯酚的催化臭氧化降解】相關(guān)文章:
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