| 第 49 卷第 5 期 |  | Vol. 49 No. 5 | | 2019 年 10 月 | Oct 2019 |
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所屬欄目：安全與環(huán)保
催化超臨界水氧化技術(shù)處理核電站廢陰離子交換樹(shù)脂的研究 |
| 蘭樹(shù)仁，柴 濤*，劉雯雯，張新宇，陳瑞華
（中北大學(xué) 環(huán)境與安全工程學(xué)院，山西 太原 030051） |
| 摘 要：為高效處理核電站廢陰離子交換樹(shù)脂，采用催化超臨界水氧化技術(shù)，探究不同的均相和非均相催化劑對其N(xiāo)H3-N和CODCr的影響，并在此基礎上，研究非均相催化劑的穩定性和復合催化劑的最佳配比。結果表明：均相催化效果順序為CuSO4>Cu（NO3）3>MnSO4>ZnSO4>Mn（NO3）2>ZnCl2>Zn（NO3）2>Fe（NO3）3。CuSO4使陰離子樹(shù)脂CODCr的去除率達99.93%，出水NH3-N達21.93 mg·L-1。CeO2、CuO、TiO2反應后沒(méi)有新物質(zhì)生成，MnO2反應后有Mn2O3生成。非均相催化劑中MnO2-CeO2催化效果最佳。優(yōu)化配比為n（MnO2）∶n（CeO2）=2∶3，使陰離子樹(shù)脂CODCr的去除率達99.91%。 |
| 關(guān)鍵詞：超臨水氧化技術(shù)；陰離子交換樹(shù)脂；催化劑 |
| 中圖分類(lèi)號：X703.1 文獻標識碼：A 文章編號：1009-9212（2019）05-0054-05 |
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| Treatment of Waste Anion Exchange Resin of Nuclear Power Plant by Catalytic Supercritical Water Oxidation Technology |
| LAN Shu-ren, CHAI Tao*, LIU Wen-wen, ZHANG Xin-yu, CHEN Rui-hua
(College of Environmental and Safety Engineering, North University of China, Taiyuan 030051, China) |
| Abstract：Aiming at the treatment of waste anion exchange resin in nuclear power plants, the effects of different homogeneous and heterogeneous catalysts on NH3-N and CODCr were investigated by catalytic supercritical water oxidation technology. Based on this, the stability composition of heterogeneous catalysts were studied. The results showed that the order of homogeneous catalytic efficiency was CuSO4>Cu(NO3)3>MnSO4>ZnSO4>Mn(NO3)2>ZnCl2>Zn(NO3)2>Fe(NO3)3. CuSO4 removed the anion resin CODCr by 99.93%; and the effluent NH3-N reached 21.93 mg·L-1. No new substances were formed after the reaction of CeO2, CuO and TiO2, and Mn2O3 was formed after the reaction of MnO2. The best catalytic effect of MnO2-CeO2 as heterogeneous catalyst was achieved. The optimal ratio was of 2∶3(n(MnO2)∶n(CeO2)）, which had a removal rate of 99.91% for anionic resin CODCr. |
| Key words：super water oxidation technology; anion exchange resin; catalyst |
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基金項目：山西省重點(diǎn)研發(fā)計劃項目（201603D321019）。
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作者簡(jiǎn)介：蘭樹(shù)仁（1994-），男，山西呂梁人，碩士研究生，研究方向：超臨界水氧化技術(shù)（E-mail：1512679602@qq.com）。
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聯(lián) 系 人：柴濤，教授，研究方向：超臨界水氧化技術(shù)、微生物技術(shù)等（E-mail：lyc2ct@sina.com）。
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收稿日期：2019-10-10
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