Filtration Application Questionnaire

In order for us to provide you with a quotation for your project, we would like you to take a few minutes to fill out this questionnaire. We will respond within a few days by email.

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Describe the liquid phase of the liquid to be filtered (chemical or technical description)

Is the liquid (check off as appropriate)
acidic basic neutral toxic explosive other

If the liquid is acidic or basic, describe the acids or bases, and/or compatible materials of construction
What is the specific gravity of the liquid to be filtered?

What is its viscosity at? Filtration Temperature: cps: Degrees F:
Room Temperature: cps: Degrees F:
What is the percentage of solid to liquid (ratio) ?
By Weight:
By Volume:
By PPM:
Describe the solids to be removed.

Describe the state of the solids:
When Wet When DryWhen Washed
crystalline
crumbly
slimy
sticky
pasty
hygroscopic
 crystalline
crumbly
slimy
sticky
pasty
hygroscopic
 crystalline
crumbly
slimy
sticky
pasty
hygroscopic

What is the bulk density of the cake? (lbs/ft^2)
Wet:
Dry:
What is the particle size in microns?
Average:
Minimum:
Maximum:
What is the sedimentation speed of the solids in the slurry?
Is the process: Continuous batch
if the process is batch, how much in one batch?
How many batches per 24 hours?
What is the time span in which a batch must be filtered?
Filtration Time (hr):
Total Batch:
If your process is continuous, what is the flow rate? GPM
M^3/hr
Is the purpose of the filtration to obtain: a clean filtrate recovery of the residue both

At what temperature do you wish to filter?
Must you wash residue in the filter? Yes No

If so, what is the wash temperature and medium?

How must the filter residue be discharged? as a slurry as a dry cake

If the filter residue is discharged as a dry cake, will you dry with: air inert gas steam
At what temperature?

What type of filter has been used for this purpose up till now?
Type:
Surface Area (Ft^2):
Screens Used/Type:

Do you precoat your filters? * Yes No

Is it necessary to add body feed? Yes No

What is the amount required? *

If yes what type? * D.E. cellulose activated carbon
other
What is the filtration rate in your existing filter or obtained from tests?
l/hr-m^2:
gpm/Ft^2:

What is the pressure drop in your existing filter at the end of filtration ? * psi at cake thickness (in)
What maximum cake thickness can you achieve?

Based on the knowledge of your product, what materials of construction should be used for the filter? *

Which material is required for your filter screens? *
What micron size?
What gasket material is required?

What type of upper seal is required? Stuffing Box Lipseal Mechanical Seal
other
With flushing? yes no
Do you want us to supply you with a control system? Yes No
Is a jacket required? Yes No
Design Pressure (psig)
Design Temperature (F)

Is insulation with welded sheathing required? Yes No

Additional comments and application data.

* If information is not available, tests may have to be done at your site.