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1)  multi-phase catalytic oxidation
多相催化氧化法
1.
Treatment of oilfield-produced water by multi-phase catalytic oxidation;
多相催化氧化法处理油田污水
2)  Heterogeneous catalytic method
多相催化法
3)  electro-heterogeneous catalytic oxidation
电-多相催化氧化
1.
Using granular activated carbon (GAC) as electric particle electrode and heterogeneous catalyst loaded metallic oxide to replace insulated particle, the electro-heterogeneous catalytic oxidation system was constructed.
以颗粒活性炭(GAC)为导电性粒子电极,以负载金属氧化物的多相催化剂替代绝缘填料,构建电-多相催化氧化体系。
4)  heterogeneous catalytic oxidation
多相催化氧化
1.
The principle and characteristics of heterogeneous catalytic oxidation technology for treatment of organic industrial wastewater under normal temperature and pressure was introduced, the recent studies as well as application to typical organic industrial wastewater including dyeing and printing wastewater, medical wastewater and chemical wastewater were also reviewed.
简介了有机工业废水常温常压多相催化氧化技术的工艺原理及特点,并对近年来国内外该技术在典型有机工业废水如印染废水、医药废水、有机化工废水等处理中的研究和应用情况进行了评述。
2.
Oxygen isotopic exchange technology and its application in the research of heterogeneous catalytic oxidation reaction mechanism were summarized.
简单介绍了氧同位素交换技术及其在多相催化氧化反应机理研究中的应
3.
this review illustrates a varity of oxidation techniques to prepare gluconic acid from glucose and especially,emphesis the patential application in heterogeneous catalytic oxidation in industrial scale production.
本文讨论了葡萄糖氧化制葡萄糖酸的各种氧化方法,同时强调多相催化氧化法在工业化生产中具有较大的应用潜
5)  heterogeneous photocatalytic oxidation
多相光催化氧化
1.
Irradiating by ultraviolet light, heterogeneous photocatalytic oxidation method was used to treat coking wastewater with titanium dioxide as catalyst and H2O2 as oxidizing agent to investigate factors that affected COD removal efficiency as well as the optimal operation conditions.
以TiO2为催化剂,H2O2为氧化剂,在紫外光照射下采用多相光催化氧化法对焦化废水进行处理,探讨了影响COD去除率的各种因素,得出了最佳工艺条件。
6)  multi-phase catalytic oxidation
多相催化氧化
1.
Treatment of acidic black dye wastewater by multi-phase catalytic oxidation over copper catalyst was studied.
以酸性黑染料废水为处理对象,对多相催化氧化处理工艺中的铜系催化剂进行研究。
补充资料:催化还原法除氮氧化物
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性质:催化还原法可依还原剂是否与废气中的氧发生反应,分为非选择性催化还原法和选择性催化还原法。前者的还原剂是氢气、甲烷、一氧化碳及低碳氢化合物,还可利用含以上组分的混合气体(如合成氨弛放气、焦炉气、天然气、炼厂尾气和气化石脑油等)。在铂、钯催化剂的作用下,可将废气中的氮氧化物(NOx)催化还原为氮气。同时还原剂还可与废气中的氧作用,生成水蒸气和二氧化碳,反应过程放出大量的热。由于该法燃料耗量大,采用贵重金属为催化剂,需设置热回收装置,投资费用较大,而逐渐被淘汰。目前,大多采用选择性催化还原法,它以氨为还原剂,对含氮氧化物的气体进行催化还原处理,氨能有选择地与气体中的二氧化氮及一氧化氮反应,而极少与气体中的氧反应。催化剂可用贵金属,也可用其他金属(铜、铁、铬、锰等)。此法需要消耗一定量的氨,运转费用较高,经济上不够合理,而且处理尾气中氨的浓度达500~800mg/L,会造成二次污染。

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