押玉榮;陳曉軒;杜亞威;王曉磊;張靜;吳江渤;劉春;

• 1:嘉誠環保工程有限公司
• 2:河北科技大學環境科學與工程學院
• 3:河北省污染防治生物技術重點實驗室

摘要(Abstract)：

為了研究微氣泡臭氧氧化技術處理廢水的影響因素,采用微氣泡臭氧氧化技術處理酸性大紅3R廢水,考察臭氧投加量、酸性大紅3R廢水初始濃度和投加活性炭對微氣泡臭氧氧化過程中脫色率、TOC去除率、pH值以及臭氧利用率的影響。結果表明,提高臭氧投加量或降低酸性大紅3R廢水的初始濃度,酸性大紅3R廢水的脫色速率和TOC去除速率均有所上升,但臭氧利用率下降。煤質活性炭對微氣泡臭氧氧化具有較強的催化活性,能夠顯著提高酸性大紅3R廢水的脫色速率和TOC去除速率。臭氧投加量為48.3 mg/min、酸性大紅3R廢水的初始質量濃度為100mg/L時,處理效果較好。此條件下,處理30min時脫色率達到100%,處理120min時TOC去除率達到78.0%,TOC去除表觀反應速率常數為0.015min~(-1),臭氧利用率始終高于99%。而投加5g/L煤質活性炭后,處理15 min后脫色率達到100%,處理120 min時TOC去除率可達到91.2%,TOC去除表觀反應速率常數提高至0.037min~(-1)。處理過程中出現中間產物小分子有機酸的積累并繼續氧化降解,使得廢水的pH值呈現先下降后升高的趨勢�？梢�,對微氣泡臭氧氧化影響因素進行優化,可提高污染物去除速率及臭氧利用率,顯著改善處理性能。

關鍵詞(KeyWords)： 水污染防治工程;臭氧氧化;微氣泡;酸性大紅3R廢水;影響因素

Abstract:

Keywords:

基金項目(Foundation): 河北省自然科學基金(E2015208140);; 2015年石家莊市裕華區科學技術研究與發展計劃

作者(Author): 押玉榮;陳曉軒;杜亞威;王曉磊;張靜;吳江渤;劉春;

Email:

DOI:

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