Nitrogen removal and conversion by duckweed grown on waste-water

Gideon Oron; Andre de-Vegt; Dan Porath

doi:10.1016/0043-1354(88)90076-0

Nitrogen removal and conversion by duckweed grown on waste-water

Gideon Oron, Andre de-Vegt, Dan Porath

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Abstract

Duckweed was grown in outdoor ponds for the purpose of domestic waste-water treatment, recycling of the nutrient and effluent renovation. Growth of the plant was examined at two pond depths and various hydraulic retention times. Temperature stratification in the ponds probably affected ammonia uptake. Dry yield of the duckweed approached 15 g m^-2 day^-1 with a protein content of about 30% in the short retention-time treatments. Effluent quality was at the secondary level and met criteria for re-use for agricultural irrigation.

Original language	English
Pages (from-to)	179-184
Number of pages	6
Journal	Water Research
Volume	22
Issue number	2
DOIs	https://doi.org/10.1016/0043-1354(88)90076-0
State	Published - 1 Jan 1988

Keywords

ammonia
duckweed
operational regime
recycling
waste-water

ASJC Scopus subject areas

Environmental Engineering
Civil and Structural Engineering
Ecological Modeling
Water Science and Technology
Waste Management and Disposal
Pollution

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/0043-1354(88)90076-0

Cite this

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AU - de-Vegt, Andre

AU - Porath, Dan

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AB - Duckweed was grown in outdoor ponds for the purpose of domestic waste-water treatment, recycling of the nutrient and effluent renovation. Growth of the plant was examined at two pond depths and various hydraulic retention times. Temperature stratification in the ponds probably affected ammonia uptake. Dry yield of the duckweed approached 15 g m-2 day-1 with a protein content of about 30% in the short retention-time treatments. Effluent quality was at the secondary level and met criteria for re-use for agricultural irrigation.

KW - ammonia

KW - duckweed

KW - operational regime

KW - recycling

KW - waste-water

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Nitrogen removal and conversion by duckweed grown on waste-water

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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