Liquid purification or separation – Processes – Treatment by living organism
Patent
1986-11-10
1989-10-10
Wyse, Tom
Liquid purification or separation
Processes
Treatment by living organism
210747, C02F 332
Patent
active
048729850
ABSTRACT:
A method and means for application of wastewater to plants for improved wastewater treatment having an overhead distribution system for application of wastewater to plants. Purification of agricultural, commercial, domestic, mining and industrial liquid wastes by passage of said wastes through a shallow basin, pond, tank or the like covered with water or other species of Pontederiaceae, e.g. Pontederia spp., in particular, and other species cultured in a hydroponic mode in conjunction with or separately from Pontederiaceae, is accomplished by distribution of recycled liquid waste onto leaves and stems of the plants by spraying, sprinkling, splashing or the like. Depending on the quality and quantity of the wastewater, appropriate application rates, either intermittently or continuously, are utilized to effect positive contact of said liquid waste with living biota attached upon plants roots to attain greater treatment effectiveness and efficiency; to maintain aerobiosis in the root zone; and to, under a continuous application mode, exploit plants leaves as solid substrate for biofilm attachment so as to fashion a living filter that further improves system effectiveness, efficiency and cost worthiness.
REFERENCES:
patent: 3894355 (1975-07-01), Carothers
patent: 4169050 (1979-09-01), Sefling et al.
patent: 4333263 (1982-06-01), ADey
Shaffer, Jr. John N.
Wyse Tom
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