Specifications

corundum fine bubble diffuser
material:corundum/quartz grains;
The diffusers are mainly used for the aeration of waste water

 corundum fine bubble diffuser

1:Name:   fine/coarse bubble tube diffuser

2:Material:  Corundum

3:Physical Properties:

	Unit
color		Grey/white
Porosity	%	33-50
Material density	g/cm³	1.8
Pore size	μm	70
Bending strength	Mpa	20-80
Mohs' hardness	Scal	9
Max. temperature resistance1	oC	900
Operating pressure	Mpa	0.3
1Depending on operating conditions

 4:Chemical Resistance:

It’s resistant against most acids, saline solutions and organic solvents, liquid or gas covering the complete acid,neutral and alkali range up to pH 11,exept hydrofluoric acid and fully desalted water.

 

(As end use conditions can vary,it is the users’ responsibility to verify compatibility with their specific use conditions.)

 

 5:Standard Dimensions:

 

Name	Item No.	Do/Di (mm)	Length (mm)
Bubble tube diffuser (corundum)	DQCR-diffuser-60/40	60/40	According to customer’s request.
	DQCR-diffuser-70/40	70/40
	Special dimensions and special products on request.

 

6:Applications:

The diffusers are mainly used for the aeration of waste water.

Fine bubble aeration         Fine bubble aeration for activated sludge processes for nitrification and

                                           C-decomposition:

                                           > municipal waste water treatment plants;

                                           > industrial waste water treatment plants;

Coarse bubble aeration     Coarse bubble aeration of waste water in grit chambers and mixing:

                                            > waste water mixing avoiding sedimentation;

                                            > homogenization of waste water feed;

 

Note:As end use conditions can vary,it is the users’ responsibility to verify compatibility with their specific use conditions.