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《Guangdong Chemical Industry》 2006-01
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Experimental study on de-acid behavior about nano-titania solution

Li Zhijun,Wang Hongying(Industry Center,Shenzhen Polytechnic,Shenzhen 518055,China)  
In the paper experiments on acid removal behavior about nano-titania solution were carried out.Several kinds of de-acid methods were carried out:heating,adding some alkali and adding some dispersant first and then adding some alkali.From experiment results,it is known that heating is an economical and practical method for de-acid,but the efficiency is low;It is easy for the pH value of the nano-titania solution close to 7 by adding somealkali,but the dispersive property and stability of nano-titania powders become worse.It is found that the method that adding dispersant first and then adding some alkali is very good.It can realize de-acid while does not influence the dispersive property and stability of nano-titania powders,and is a relatively ideal method.
【CateGory Index】: O614.411
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