Date of Award

12-1993

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Environmental Science

First Advisor

Mohammed Fathy Hamoda

Second Advisor

Mamdough M Nassar

Third Advisor

Salah Eluahwy

Abstract

There are several dairy farms and milk processing plants in U.A.E. which contribute to the problem of industrial wastewater discharges in the country. This study emphasized the waste management aspects of dairy farms and examined the wastewater characteristics, wastewater treatment and effluent reuse in Al-Rawabi Dairy Plant in Dubai as a case study.

An extensive sampling and analysis program was conducted over a period of one year to determine wastewater characteristics at Al-Rawabi Dairy Plant. It has been found that the wastewater COD, BOD, Solids, Nitrogen and Phosphorus content is relatively high but daily variations in pollution loads were not considerably high. Existing treatment facilities are limited to primary settling tanks which are not capable of producing good quality effluent to satisfy the guidelines set by the Dubai Municipality. Treatability tests which included biological and/or chemical treatments indicated that the waste is amenable for treatment and its pollutants could be effectively reduced in order to obtain a good quality effluent for reuse in irrigation.

A wastewater management scheme has been proposed based on the results of the industrial waste survey, evaluation of the existing treatment, and analysis of the treatability tests on alternative processes. The proposed scheme can be implemented to produce a good quality effluent for beneficial reuse in irrigation at Al-Rawabi plant as a model for similar industrial plants in United Arab Emirates.

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