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MARC Record
Bibliographic Data
Control Number
309788
Date and Time of Latest Transaction
20150706095152.AM
General Information
150706s |||||||||b ||00|||
Cataloging Source
STII-DOST
Local Call Number
ScienceDirect
Main Entry - Personal Name
Jayawardane N.S.
Arienzo M.
Marcoux, M.A.
Quayle, W.C.
Christen, E.W.
Title Statement
Winery wastewater treatment using the land filter technique by E.W. Christen and 4 others
Physical Description
pages 1665-1673 computer file; text; 732kb
Summary, Etc.
This study outlines a new approach to the treatment of winery wastewater by application to a land FILTER (Filtration and Irrigated cropping for Land Treatment and Effluent Reuse) system. The land FILTER system was tested at a medium size rural winery crushing approximately 20,000 tonnes of grapes. The approach consisted of a preliminary treatment through a coarse screening and settling in treatment ponds, followed by application to the land FILTER planted to pasture. The land FILTER system efficiently dealt with variable volumes and nutrient loads in the wastewater. It was operated to minimize pollutant loads in the treated water (subsurface drainage) and provide adequate leaching to manage salt in the soil profile. The land FILTER system was effective in neutralizing the pH of the wastewater and removing nutrient pollutants to meet EPA discharge limits. However, suspended solids (SS) and biological oxygen demand (BOD) levels in the subsurface drainage waters slightly exceeded EPA limits for discharge. The high organic content in the wastewater initially caused some soil blockage and impeded drainage in the land FILTER site. This was addressed by reducing the hydraulic loading rate to allow increased soil drying between wastewater irrigations. The analysis of soil characteristics after the application of wastewater found that there was some potassium accumulation in the profile but sodium and nutrients decreased after wastewater application. Thus, the wastewater application and provision of subsurface drainage ensured adequate leaching, and so was adequate to avoid the risk of soil salinisation
Subject Added Entry - Topical Term
Ecology
Environmental Remediation -- Methods -- Instrumentation
Industrial Waste -- Analysis
Wastewater
Location
DOST STII ScienceDirect NONPRINTS NP 13-14770 1 13-14770 Online/Download 2010-12-01
Physical Location
Department of Science and Technology
Science and Technology Information Institute
ScienceDirect
Digital Copy
Not Available
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