Slow sand filtration definition

Slow sand filtration means a process involving passage of raw water through a bed of sand at low velocity (generally less than 0.4 meters per hour) resulting in substantial particulate removal by physical and biological mechanisms.
Slow sand filtration means a process:
Slow sand filtration means a process involving passage of source water through a bed of sand at low velocity (generally less than 0.10 gpm/ft2) that results in substantial particulate removal (˃ 2-log Giardia lamblia cysts) by physical and biological mechanisms.

Examples of Slow sand filtration in a sentence

  • Beginning January 1, 2005, sys- tems serving fewer than 10,000 people must meet the turbidity requirements in §§ 141.550 through 141.553.(b) Slow sand filtration.


More Definitions of Slow sand filtration

Slow sand filtration means a process involving pas- sage of raw water through a bed of sand at low velocity (generally less than 0.4 m/h) resulting in substantial particulate removal by physical and biological mechanisms.
Slow sand filtration means a process involving passage of raw water through a bed of sand at low velocity (generally less than 235 gallons per square foot per day) resulting in substantial particulate removal by both physical and biological mechanisms.
Slow sand filtration means a process involving passage of raw water through a bed of sand at low velocity (generally less than 0.4 m/h or 1 gal./ft2/h resulting in substantial particulate removal by physical and biological mechanisms.
Slow sand filtration means a process involving passage of raw water through a bed of sand at rates not to exceed 0.10 gallons per minute per square foot resulting in substantial particulate removal by physical and biological mechanisms.
Slow sand filtration means a process involving passage of raw water through a bed of sand at low velocity (generally less than four-tenths (0.4) meter per hour or forty-five (45) to one hundred fifty (150) gallons per day per square foot) resulting
Slow sand filtration means a process involving passage of raw water through a bed of sand at low velocity resulting in substantial particulate removal by physical and biological mechanisms.
Slow sand filtration means a process involving passage of source water through a bed of sand at low velocity (gener-