Questionnaire


 

Questions regarding the product

 
1.0 State Liquid Phase of the Liquid to be Filtered
2.0 State Solids which have to be Removed
3.0 Select the Type of Liquid
Acid  
Neutral
Toxic : Yes No
Alkaline  
  Danger of Explosion Yes No
3.1 pH Value, if known
4.0 If the Liquid is an Acid, Describe Acids :
4.1 If the Liquid is Basic, Describe Basics :
5.0 State Viscocity :
At Filtration Temperature :
Cps
C
At Room Temperature :
Cps
C
6.0

State specific gravity of the Product to be Filtered :

6.1 State Bulk Density of Cake :
7.0 State Percentage [ Ratio ] Solid / Liquid :
7.1 Weight %   :   / 
7.2 Volume %   :   / 
7.3 org / 1      :   / 
8.0 Types of Solids :
Crystalline Crumbly
Slimey Sticky
Pasty Hygroscopic
9.0 Average Particle Size :
Micron    
Micron Min %
Micron Max %
10.0 Sedimentation Speed : cm / min
11.0 Specify the type of Process :
Continuous Batch
12.0 Specify Size of the Batch : m3
12.1 No. of Batches Per 24 h
12.2 Specify the Time Span in which a Batch
has to be Filtered :
13.0 If Operation is continuous, how many ? m3/h, 1 shift 2 shift, 3 shifts.
14.0 Specify the Temperature at which you wish
to Filter :
C
15.0 Specify your Purpose of Filtration :
A Clear Filtrate 
Recovery of the Residue
Both
16.0 Must you wash Residue in the Filter ?
Yes No
16.1 If Yes, State Wash Medium :
16.2 State Washing Temperature : C
17.0 Must you Discharge Filter Residue ?
As a Slurry
As a Dry Cake,
  Specify Moisture %
As Paste
18.0 If Residue is discharged as a dry cake,
you want to dry with ?
Air  Inert Gas Steam
18.1 Specify Temperature at which to Dry ? C
     
Questions regarding your process used at present or possible test
     
19.0 State type of filter used for this purpose
presently :
Filter Brand :
Filter Type :
Filter Size : m2
Screens :
20.0 State the Filtration Rate in your Existing
Filter :
  m3 / m2h
20.1 Or Obtained During Tests :
[ volume/square metres filter area / hour ]
  m3 / m2h
21.0 State the delta p in your existing filter : bar at mm cake thickness
     
Questions regarding material of construction and accessories
 
22.0 Which Materials can be considered for the
Construction of the Filter taking account of
your Product ?
22.1 Which Materials cannot be used ?
22.2 Which Materials are most suitable for the
Filterscreens ?
22.3 Which Sealing Material is most Suitable ?
22.4 According to which Code does the Filter
have to be Built ?
     

 

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