A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High‐Rate Sedimentation in Water Treatment Works
Shallow tubes are very efficient sedimentation devices. Two basic tube configurations have been used: essentially horizontal, and steeply inclined. Sludge is removed from the essentially horizontal tubes by automatically draining them each time the filter backwashes and refilling them with filter backwash water. Over 20 water treatment plants using these horizontal tubes with sedimentation detention times of less than 10 minutes with capacities of 20‐2,000 gpm are now in operation. In tests described in this paper, a plant providing flocculation, tube sedimentation, and mixed media filtration, produced potable water (0.1 JU turbidity) from a raw water turbidity of 1,000 JU with an overall plant detention time of 16 minutes. Flow distribution analyses demonstrate that the shallow horizontal tubes enable good flow distribution to be readily achieved.
High‐Rate Sedimentation in Water Treatment Works
Shallow tubes are very efficient sedimentation devices. Two basic tube configurations have been used: essentially horizontal, and steeply inclined. Sludge is removed from the essentially horizontal tubes by automatically draining them each time the filter backwashes and refilling them with filter backwash water. Over 20 water treatment plants using these horizontal tubes with sedimentation detention times of less than 10 minutes with capacities of 20‐2,000 gpm are now in operation. In tests described in this paper, a plant providing flocculation, tube sedimentation, and mixed media filtration, produced potable water (0.1 JU turbidity) from a raw water turbidity of 1,000 JU with an overall plant detention time of 16 minutes. Flow distribution analyses demonstrate that the shallow horizontal tubes enable good flow distribution to be readily achieved.
High‐Rate Sedimentation in Water Treatment Works
Culp, Gordon (author) / Hansen, Sigurd (author) / Richardson, Gordon (author)
Journal ‐ American Water Works Association ; 60 ; 681-698
1968-06-01
18 pages
Article (Journal)
Electronic Resource
English
Sludge , Flocculation , Treatment Plants , Filters , Sedimentation , Flow , Backwash
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