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combined ozone
相关语句
  臭氧
     Combined Ozone/Permanganate Oxidation for Controlling Byproduct of Ozonation
     臭氧/高锰酸盐控制臭氧氧化副产物
短句来源
     When the inlet concentration was in the range of 10~40mg/m 3, the degradation efficiency of combined ozone and photocatalysis was over 90% and dropped linearly and very slowly with the increase of inlet concentration of toluene.
     甲苯浓度在 1 0~ 40mg/m3范围时 ,臭氧 光催化降解效率高达 90 %以上 ,但随甲苯初始浓度升高而缓慢地线性下降 ;
短句来源
     Degradation of Toluene in the Gas Phase by Combined Ozone and Photocatalysis
     气相中甲苯的臭氧-光催化降解
短句来源
     The degradation efficiency of combined ozone and photocatalysis was slightly affected by humidity with the efficiency difference less than 2 5%.
     湿度对甲苯的臭氧 光催化降解稍有影响 ,但去除率变化不超过 2 5 % .
短句来源
     Combined Ozone/Permanganate Pre-oxidation for Enhancing Coagulation and the Affecting Factors
     臭氧/高锰酸盐预氧化助凝及影响因素
短句来源
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  “combined ozone”译为未确定词的双语例句
     Study on Degradation of 2,4-DCP with UV-Radiation Combined Ozone
     UV/O_3复合降解水中2,4-二氯酚的试验研究
短句来源
     Disinfection of E.coli with UV-Radiation Combined Ozone in Drinking Water Treatment
     UV/O_3复合对水中大肠杆菌的杀灭作用
短句来源
  相似匹配句对
     Ozone
     臭氧(英文)
短句来源
     Study of degradation of aniline by combined photocatalysis and ozone
     光催化-臭氧联用技术降解苯胺研究
短句来源
     Degradation of Cyanide in Water by Ozone Combined with UV Radiatio
     臭氧+紫外线氧化处理含氰废水研究
短句来源
     Ozone and Ozonesphere
     臭氧和臭氧层
短句来源
     Combined Art
     综合的艺术——浅析影响凡·高绘画艺术的外在因素
短句来源
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  combined ozone
These include lessons for future protocols on acidification, and combined ozone/acidification/eutrophicationprotocols.
      
Compared with results for ozone fumigation alone, combined ozone/UV-B treatment led to a slightly higher increase in STS mRNA in primary needles, as well as in cotyledons.
      


The degradation of toluene (10~80mg/m 3) in the gas phase by combined ozone and photocatalysis was studied. The effect of the inlet concentration, air flow rate and humidity on the degradation efficiency and removal load was investigated. Then the efficiency of combined ozone and photocatalysis was compared with that of photocatalysis. The experiment results indicated that combination of ozone and photocatalysis was far more efficient than photocatalysis in degrading toluene, especially under...

The degradation of toluene (10~80mg/m 3) in the gas phase by combined ozone and photocatalysis was studied. The effect of the inlet concentration, air flow rate and humidity on the degradation efficiency and removal load was investigated. Then the efficiency of combined ozone and photocatalysis was compared with that of photocatalysis. The experiment results indicated that combination of ozone and photocatalysis was far more efficient than photocatalysis in degrading toluene, especially under high level inlet concentration. When the inlet concentration was in the range of 10~40mg/m 3, the degradation efficiency of combined ozone and photocatalysis was over 90% and dropped linearly and very slowly with the increase of inlet concentration of toluene. The degradation efficiency of combined ozone and photocatalysis was slightly affected by humidity with the efficiency difference less than 2 5%.

初步研究了气相中中低浓度 (1 0~ 80mg/m3)甲苯的臭氧 光催化联合降解 ,考察甲苯初始浓度、气体流量和湿度对降解效率及去除负荷的影响 ,并与单一光催化降解进行了比较 .结果表明 ,臭氧 光催化对甲苯的降解效率大大高于光催化的降解效率 ,在较高浓度时效果更为显著 ;甲苯浓度在 1 0~ 40mg/m3范围时 ,臭氧 光催化降解效率高达 90 %以上 ,但随甲苯初始浓度升高而缓慢地线性下降 ;湿度对甲苯的臭氧 光催化降解稍有影响 ,但去除率变化不超过 2 5 % .

Some byproducts produced in ozonation process such as biologically assimilable organic carbon (AOC), bromate and formaldehyde, etc . will affect the safety of drinking water. Combined ozone/permanganate oxidation can enhance the removal rate of AOC, which can be increased by 20%-30% at dosage of permanganate 0.5 mg/L and ozone 1.0 mg/L, with a mass ratio of 1 ∶[KG-*3]8 . The combined oxidation can reduce the formation of bromate with a reduction percentage of 20% at different dosage of ozone....

Some byproducts produced in ozonation process such as biologically assimilable organic carbon (AOC), bromate and formaldehyde, etc . will affect the safety of drinking water. Combined ozone/permanganate oxidation can enhance the removal rate of AOC, which can be increased by 20%-30% at dosage of permanganate 0.5 mg/L and ozone 1.0 mg/L, with a mass ratio of 1 ∶[KG-*3]8 . The combined oxidation can reduce the formation of bromate with a reduction percentage of 20% at different dosage of ozone. Formaldehyde is a typical ozonation byproduct and will rise in concentration after single ozonation; while dosing of permanganate can alleviate its rising, that is, the combined oxidation can reduce the formation of formaldehyde.

臭氧氧化过程中产生的一些副产物[如生物可同化有机碳(AOC)、溴酸盐和甲醛等]会影响供水水质安全性。采用臭氧/高锰酸盐复合氧化可在不同程度上提高对AOC的去除率,其合理的投量配比为高锰酸盐0.5mg/L+臭氧1.0mg/L,在该条件下两者的物质的量之比约为1∶8,对AOC的去除率可以提高20%~30%。复合氧化减少了溴酸盐的生成,在不同的臭氧投量情况下都可以取得20%左右的降幅。甲醛是一种典型的臭氧氧化副产物,单纯臭氧氧化后会导致甲醛浓度升高,而投加高锰酸盐可以降低这种趋势,即复合氧化可以有效地减少甲醛的生成。

Combined ozone/permanganate preoxidation process for enhancing coagulation was proposed, and the various factors affecting the coagulation aid by combined oxidation were analyzed. The result shows that the combined oxidation is more advantageous to turbidity removal than the preozonation alone. Permanganate is added firstly and then addition of ozone is followed. The optimum dosing ratio is 0.4 mg/L of permanganate and 1.0 mg/L of ozone. The combined oxidation for turbidity...

Combined ozone/permanganate preoxidation process for enhancing coagulation was proposed, and the various factors affecting the coagulation aid by combined oxidation were analyzed. The result shows that the combined oxidation is more advantageous to turbidity removal than the preozonation alone. Permanganate is added firstly and then addition of ozone is followed. The optimum dosing ratio is 0.4 mg/L of permanganate and 1.0 mg/L of ozone. The combined oxidation for turbidity removal is affected by the following factors: G value is less sensitive to the combined process with wider range adaptable to the process; coagulation effect is affected by raw water quality, with the optimum effect at hardness of 160 mg/L calculated as CaCO_3, TOC concentration of 3 mg/L has the minimum effect on coagulation; low temperature is helpful to the coagualation by combined oxidation; pH value has slight influence on combined oxidation, which can be used in wider range of pH. As compared with ozonation, the combined oxidation is more adaptable to the variation in hydraulic condition and water quality.

提出了高锰酸盐强化臭氧氧化助凝技术,并分析了复合氧化助凝效果的各种影响因素。试验结果表明,复合氧化比单独臭氧氧化更有利于对浊度的去除。复合氧化的投加顺序是先投加高锰酸盐后投加臭氧,较佳的剂量配比是高锰酸盐0.4mg/L与臭氧1.0mg/L。复合氧化除浊的效果受诸多因素影响,复合氧化可适应更大的G值变化范围;助凝效果受原水水质的影响,原水硬度为160mgCaCO3/L时助凝效果最佳,原水TOC浓度为3mg/L时对混凝的影响最小;低温有助于复合氧化助凝;复合氧化受pH值影响较小,可以适应较大范围的pH值变化。与臭氧氧化相比,复合氧化更能适应水力和水质条件的变化。

 
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