A series of sodium polysilicates was synthesized from sodium silicate and water_gel of silicic acid (Na_2O·nSiO_2,n=1～8).

Flocculation structure and rheological characteristics of sodium silicate w/o emulsion;

Current status and development trend of superior grade sodium silicate;

Effects of concentration of sodium silicate on anodizing for magnesium alloys;

The effect of Na_2SiO_3 on deinking of different waste paper;

Chose a bacteria , actinomycetes, yeast and rhizopus as template,artificial under the condition give positive TEOS and the Na_2SiO_3 as Si sources respectively, the possibility, regulation and structure characteristics inquirying into different template and same .

It is the excellent material to prepare Na_2SiO_3.

This paper introduces the producing tech- nology and status of detergent builder in our country,and then analyzes the function compare of 4A zeolite,sodium metasili- cate,δ-Layered Sodium Silicate detergent builder and then proposes the 8-Layered Sodium Silicate is the best product to substitute STPP,sodium metasilicate,4A zeolite.

The historical and present status of sodium metasilicate production and its development in China and foreign countries are summarized.

A low cost compounded surfactant(CS) was developed for EOR in higher temperature and middle low permeability sandstone reservoirs in Zhuangxi,Shengli,after many rounds of profile modification,in particular,and comprised mainly mixed natural carboxylates prepared of bottom cotton seed oil,modified sodium humate of lignite,sodium metasilicate,and polyether surfactant.

The improvement of determination method for iron content in sodium fluosilicate product;

Effect of seeding on crystallization of sodium fluosilicate