Sunday, 19 Aug 2018
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Two main types of filter media are employed in the chemical laboratory— surface filter, a solid sieve which traps the solid particles, with or without the aid of filter paper (e.g. Büchner funnel, Belt filter, Rotary vacuum-drum filter, Cross-flow filters, Screen filter), and a depth filter, a bed of granular material which retains the solid particles as it passes (e.g. sand filter). The first type allows the solid particles, i.e. the residue, to be collected intact; the second type does not permit this. However, the second type is less prone to clogging due to the greater surface area where the particles can be trapped. Also, when the solid particles are very fine, it is often cheaper and easier to discard the contaminated granules than to clean the solid sieve. Filter media can be cleaned by rinsing with solvents or detergents. Alternatively, in engineering applications, such as swimming pool water treatment plants, they may be cleaned by backwashing. Self-cleaning screen filters utilize point-of-suction backwashing to clean the screen without interrupting system flow.


 

 

 

 

 

 

 

 

 

 

 

 

Polyester Media#30
Polyester Media
 
Ceiling Filter
#31
Ceiling Filter
 
Poret Filter Foam
#32
Poret Filter Foam
 
PP-Net#33
PP-Net
 
#34
Washable PP Media
#35
Nylon
 

#36
Wire Mesh SUS
 

#37
Pleated Cardboard
 

#38
Glass Fiber
 

#39
Fluid Aluminium
Fiberglass
Fiberglass Filter High Temperature Filtration
#40
Fiberglass Filter
for High Temperature
Filtration

#41
Auto Roll
 
Filterpack Type ULGH
#42
Filterpack Type
Filterpack TypeFilterpack TypeULGH
Emp-Filter
Emp-Filter