| 第 53 卷第 1 期 |  | Vol. 53 No. 1 | | 2023 年 2 月 | Feb 2023 |
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所屬欄目：安全與環(huán)保
臭氧/過(guò)氧化氫處理高濃有機廢水的研究 |
| 徐衛東，談娟娟，趙振華，高 峰
（江蘇藍必盛化工環(huán)保股份有限公司，江蘇 宜興 214200） |
| 摘 要：以某農藥廠(chǎng)的高濃含醚有機廢水為研究對象，采用臭氧（O3）/過(guò)氧化氫（H2O2）聯(lián)用高級氧化工藝對其進(jìn)行處理，利用單因素分析方法探討廢水初始pH、臭氧濃度、過(guò)氧化氫投加濃度對氧化效果的影響。優(yōu)化條件為：直接處理pH為14的原廢水，臭氧濃度最高可為159 mg/L（臭氧輸出為70%），30%過(guò)氧化氫總投加濃度為6.0 mL/L；優(yōu)化條件下氧化降解3 h后，TOC從4 834 mg/L降至780 mg/L，TOC去除率達84%，O3/H2O2工藝對難生物降解含醚有機廢水具有良好的降解效果。但進(jìn)一步增大臭氧濃度或過(guò)氧化氫投加濃度并不能顯著(zhù)提高廢水的TOC去除率，反而降低兩者的有效利用率。 |
| 關(guān)鍵詞：臭氧；過(guò)氧化氫；含醚有機廢水；TOC |
| 中圖分類(lèi)號：X703.1 文獻標識碼：A 文章編號：1009-9212（2023）01-0083-05 |
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| Treatment of High Concentration Organic Wastewater by an O3/H2O2 Process |
| XU Wei-dong, TAN Juan-juan, ZHAO Zhen-hua, GAO Feng
(Jiangsu Lason Chemical Environmental Protection Co., Ltd., Yixing 214200, China) |
| Abstract：A high concentration ether-containing organic wastewater from a pesticide plant was treated by O3/H2O2 oxidation process, and the effect of initial pH, concentration of O3 and H2O2 on oxidation was studied by the method of single factor analysis. The results showed that: this wastewater could be treated directly from the raw water at a pH of 14, and the TOC of wastewater could be reduced from 4 834 mg/L to 780 mg/L with a removal rate of 84% after 3 hours of the degradation under the following process conditions: the highest O3 concentration was 159 mg/L (O3 output percentage was 70%) ; and the total concentration of 30% H2O2 was 6.0 ml/L. Thus, it can be seen that the O3/H2O2 process had a significant effect on the degradation of the ether-containing organic wastewater. The removal rate of TOC could not obviously be improved if further increasing the concentration of O3 or H2O2, while the effective utilization rate of both was reduced. |
| Key words：ozone (O3); hydrogen peroxide; ether-containing organic wastewater; total organic carbon (TOC) |
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作者簡(jiǎn)介：徐衛東（1970—），男，江蘇宜興人，環(huán)保工程師，研究方向：化工廢水治理的研究（E-mail：jjtan1983@163.com）。
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收稿日期：2022-11-25
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