Hangzhou Asia Chemical Engineering Co.,LTD has researched during past few years in sodium silicate and developed a new technic-Liquid Phase Process. Compared with solid phase process, liquid phase process is featured by its low investment, simple in operation, lower material and utility consumption. Furthermore, the quality of its product is high and its cost is lower than the other process. And the products can not only be used to various situations but also be produced in different modulus.

1.Technic Flow Sketch Map of Producing Sodium Silicate In Liquid Phase Process:

    Reaction mechanism:
    nSi₂+2NaOH Na₂O·nSiO₂+H₂O
    Requirement of steam: 0.7 0.8MPa
    material matching forming: manual operation, intermission operation workers: 56 people every time

2.Product Quality Standard::
    Qualified for nation standard <<Sodium Silicate >>(GB/T4209-97) the fourth standard
The fourth sodium silicic acid index:

density(20¡æ)g/cm3	1.3681.394
Na2O %	≥9.5
SiO2 %	≥22.1
Modulus (M)	2.22.5
Undissolved substance in water %	≤0.05

3. Material standard

Quartz sand 7#	white or with a little colour in appearance
	SiO2 content ≥98%(non-hydrated)
	Gradnule dimension 100180 grid , concentration quotiety ≥60%
Sodium alkali(GB20993)	no colour and lucency slimy liquid
	NaOH content ≥30%
	Na2CO3 content ≤0.4%

4. Production capability
    10,000-100,000 ton per year.

link:Sodium Silicate Production Line