水解沉淀法

硫酸钛水解沉淀法在活性炭上制备纳米TiO2膜

Preparation of TiO_2 Films on Activated Carbon from Titanium Sulphate by Hydrolysis-precipitation Method

文中分别采用水解沉淀法与溶胶凝胶法制备了纳米TiO2粉末，并通过TEM、XRD等研究了纳米TiO2粉末的颗粒形态、粒度大小及晶相组成。

The nanometer TiO2 powders were prepared by Sol-gel and hydrolyze preparation methods . The particle shape , diameter and crystal structure were studied by SEM , XRD and TEM .

采用水解沉淀法，以四氯化钛为原料，通过添加少量的硫酸铝、硅酸钠来改变氧化钛的晶型；

The crystal type of nano-titania was conversed by hydrolysis-precipitation method with TiCl_4 added aluminum sulfate or sodium silicate ;

介绍了锌粉置换法和氧化锌水解沉淀法从硫酸锌溶液中富集铟的原理和生产实践，比较了两种工艺的特点。

This paper describes the principle and production practice of zinc-dust cementation process and zinc-oxide hydrolytic precipitation process for enriching indium in the zinc sulfate solution and makes comparison of features of these two processes .

制备TiO2薄膜的方法很多，主要有溅射法、化学气相沉积法、溶胶-凝胶法、水解-沉淀法、液相沉积法等。

The methods for preparing TiO2 thin films include electron beam sputtering , chemical vapor deposit , sol-gel , hydrolysis-precipitation , liquid-phase deposit and so on .

以酸性大红GR为典型代表，初步研究了镁-铝盐水解共沉淀法即时合成层状双氢氧化物（LDH）处理阴离子型染料溶液的效果、影响因素和染料去除机理。

Efficiency , effect factors , mechanism of removal anionic dyestuff were discussed in this paper with Mg ~ ( 2 + ) and Al ~ ( 3 + ) co-precipitation to synthesize LDH in-situ to treat acid scarlet GR.

利用酸性水解乙醇沉淀法提取果胶，分别测定了不同的浸泡时间、酸碱度及水解温度对果胶产率的影响。

Pectin of orange bark was extracted by acid hydrolysis ethanol precipitation at different marinating time , pH and temperature conditions .

水解与混凝沉淀法比较，处理效果相同，还一定程度改善废水可生化性，运行费用减少93%。

Compared with coagulating deposition , microbial hydrolysis has the same effect , but the biochemical capacity of the wastewater is improved to a certain extent and the running expense is lessened by 93 % .