Assertion: filter's advantage | /r/HasProperty | no need
Facets:
value: more often
type: DEGREE
value: for chemicals
type: OTHER
Source sentences:
text: The primary advantages of low-pressure UF membrane processes compared with conventional clarification and disinfection (post chlorination) processes are: No need for chemicals (coagulants, flocculates, disinfectants, pH adjustment);
text: A digital IIR filter can generally approximate a desired filter response using less computing power than a FIR filter, however this advantage is more often unneeded given the increasing power of digital processors.