查询词典 photocatalysis

The photocatalysis activity of prepared particles was studied by the use of testing substance trichloroethylene.

以三氯乙烯气体为模拟污染物，考察了粒子的气相光催化性能。

The TiO2particles are anatase crystal form with 10-20 nm in diameter, and the SiO2 particlesare uncrystallized. The TiO2 nanoparticles have good photocatalysis degradationproperties, and the kinetics is the first-order to methylene blue.

二氧化钛粒子为锐钛矿晶型，直径10-20nm，但二氧化硅粒子不呈晶态；制备的二氧化钛纳米粒子具有很好的光催化活性，对亚甲基蓝光催化降解符合一级反应动力学方程规律。

Shijiazhuang 050018, ChinaOxidation desulfurization via photocatalysis was investigated by using thiophene in xylol as the model compound, and hydrogen peroxide is used as the oxidant. The effects of hydrogen peroxide mass fraction, high shear agitation time, titanium dioxide mass on the desulfurization efficiency of FCC gasoline were also investigated.

以噻吩的二甲苯溶液作为FCC汽油的模型化合物，双氧水为氧化剂，研究了在光催化作用下，双氧水体积分数、高速均质时间和二氧化钛的加入量等工艺条件对脱硫率的影响，在适宜条件下，模型化合物的脱硫率可达到80%以上。

Combining the template and sol-gel method, the bipyramid crystal TiO2 photocatalysis material was synthesized using cotton template.

本文采用模板法与溶胶－凝胶法结合，以脱脂棉为模板制备出了TiO2中空微管光催化材料。

Compare with TiO〓, the photocatalysis ability of cuprous oxide need improve, yet.

与TiO〓降解有机物的光催化效果相比，氧化亚铜的催化性能仍有待提高。

The delignification mechanisms of three different kinds of photocatalysis bleaching of pulp were briefly reviewed in this paper.

简述了3种纸浆光催化漂白的脱木素机理，并以基于光敏剂产生单线态氧机理的光催化漂白为例，对硫酸盐竹浆进行了实验。

Composition of suspension will chang from titanium monoxide to titanium dioxide during standstill procedure. Experimental results show that the proposed method can successfully prepare the anatase phase of titanium dioxide .In the photocatalysis experiment, the prepared titanium dioxide nanofluid absorbs the Ultraviolet when light wavelength was 360 to 380 nm. Adsorption experimental results show that the efficiency of absorbing methylene blue using TiO2 is higher than that for TiO2 (Degussa P-25) or ZnO. Depigmentation of methylene blue experimental using TiO2 can depigmentize methylene blue reach 100% in 60 min.

悬浮液所含之奈米颗粒在静置过程中，成份方面会由似一氧化钛转变为二氧化钛；在结晶组成方面，所制备之二氧化钛颗粒之结晶组成为锐钛矿结构；在光催化方面，所制备之奈米二氧化钛悬浮液在光波长360nm~380nm时产生吸收紫外光现象，在吸附实验中本制程所制备的二氧化钛颗粒的吸附效果优於商用的二氧化钛及氧化锌，在亚甲基蓝的脱色实验中本制程所制备的二氧化钛颗粒能在60分钟内达到脱色率100%。

The pollutants can be entirely broken down to innoxious matters by photocatalytic degradation which can be finished at normal temperature and pressure in short times, so photocatalysis method has become one of the most effective method to degrade vary kinds of polluters.

由于光催化法可在常温常压下短时间内将污染物完全降解至无毒的物质，因而该法将成为处理各类污染物废水最为有效的方法之一。

It is found that the initial pH,ρ(H_2O_2) and ρFe~(3+ of the solution have significant effects in this photooxidative process. The removal percentage of COD_ is higher under solar irradiation than under UV irradiation. Under the selected conditions, using solar/H_2O_2/ferric oxalate complexes to treat the landfill leach has good efficiency. landfill leach ; ferric oxalate ; photocatalysis

已有的研究表明，Fe3+羧酸盐络合物具有光催化降解有机物的性能[1-3]；当草酸铁络合物体系中存在一定量的H2O2时，在太阳光或紫外光照射下，可发生类Fenton反应产生羟基自由基[4]，而草酸铁络合物可在一定程度上循环利用，使Fe3+和C2O2-4可以重新形成草酸铁络合物：2[Fe(C2O4)n](3-2n)hν2Fe2++(2n-1)C2O42-+2CO2(1)Fe2++H2O2

After 3 hours rection time, the removal of COD and NH3-N are up to 95% and to 70%;(3) A polot (0.25t/h) study of municipal waste water treatment by photocatalysis-ozonation was done in Wuhan municipal wastewater treatment plant.

结果表明，在反应3hr后，废水中COD去除率达到95%，氨氮去除率达到70%；(3)在武汉水质净化厂完成了UV/ TiO_2/O_3法处理城市污水中试研究(0.25t/h)，在停留时间为2hr时，COD出水低于30mg/L，此时吨水处理成本为2.56元。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。