Going Sewerless

by Ed Clerico, Engrg. Consultant; Applied Wastewater Technology, Princeton, NJ,
John Irwin, Vice Pres., Marketing and Sales; Thetford Systems, Ann Arbor, Mich.,

Serial Information: Civil Engineering—ASCE, 1987, Vol. 57, Issue 11, Pg. 74-76

Document Type: Feature article

Abstract: An in-building wastewater recycling system is an option where lack of sewers, limits on water supply, and special concerns about water quality are obstacles. The system was incorporated into two new office complexes in New Jersey where septic tanks and leach fields were deemed infeasible because of project size. Steps in the treatment process include the familiar biological treatment, a semi-permeable membrane or filter rather than the usual clarifier for solids separation, carbon for color and odor removal and ozone for disinfection. The system is cost-competitive with conventional treatment.

Subject Headings: Water treatment | Wastewater management | Recycling |

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