Water Management
Optimisation Of Water Treatment Plants
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Industrial Wastewater Management Problems in Borg El-Arab New Industrial City.
ABSTRACT:
Borg El-Arab is a new industrial city within Alexandria containing around 1200 factory distributed within four industrial zones. Since 2008, the sanitary system including the treatment plant of Borg El-Arab was handed to Alexandria Sanitary Drainage Company (ASDCO) for management. From the preliminary survey it was found that all factory's effluents were not complying with the limits of Law 93 for year 1962 and its presidential decree 44 for year 2000. They dispose their raw wastewater directly into the sewerage system, which creates a chronic street flooding problems all over the industrial zones. As well as affecting the quality of the old treatment plant influent located at the east of the city and the newly instructed tertiary treatment plant. These factories did not construct effective industrial effluent treatment systems for their wastes, which were supposed to be constructed before getting the permission to start the industrial activity and production. Another problem was the lack of effective industrial effluent inspection, monitoring, and weakness of the legal power and action against non-complying industries. Finally, there was no technical assistance system. Alexandria Sanitary Drainage Company carried out a Management system to solve these problems through: 1) Industrial survey for technical assistance to apply pollution prevention concepts; 2) Periodical sampling and monitoring program based on severity of the industry; 3) Compliance evaluation to take step by step action for non-complying factories after re[1]assisting non-complying factories to reconcile their situation, this system applies for already existing industries. For new industries it is essential to apply an additional step which is that the Municipality should get our permission before giving license to industries to start practicing their activity.; 4) Applying a cost recovery program. According to applying these steps problems have decreased and number of complying industries has increased. Under these circumstances we would like to stress on the importance of applying On-line Monitoring systems to assure effective control of industrial effluent quality 24/7.
Industrial Wastewater Management Problems in Borg El-Arab New Industrial City.
ABSTRACT:
Borg El-Arab is a new industrial city within Alexandria containing around 1200 factory distributed within four industrial zones. Since 2008, the sanitary system including the treatment plant of Borg El-Arab was handed to Alexandria Sanitary Drainage Company (ASDCO) for management. From the preliminary survey it was found that all factory's effluents were not complying with the limits of Law 93 for year 1962 and its presidential decree 44 for year 2000. They dispose their raw wastewater directly into the sewerage system, which creates a chronic street flooding problems all over the industrial zones. As well as affecting the quality of the old treatment plant influent located at the east of the city and the newly instructed tertiary treatment plant. These factories did not construct effective industrial effluent treatment systems for their wastes, which were supposed to be constructed before getting the permission to start the industrial activity and production. Another problem was the lack of effective industrial effluent inspection, monitoring, and weakness of the legal power and action against non-complying industries. Finally, there was no technical assistance system. Alexandria Sanitary Drainage Company carried out a Management system to solve these problems through: 1) Industrial survey for technical assistance to apply pollution prevention concepts; 2) Periodical sampling and monitoring program based on severity of the industry; 3) Compliance evaluation to take step by step action for non-complying factories after re[1]assisting non-complying factories to reconcile their situation, this system applies for already existing industries. For new industries it is essential to apply an additional step which is that the Municipality should get our permission before giving license to industries to start practicing their activity.; 4) Applying a cost recovery program. According to applying these steps problems have decreased and number of complying industries has increased. Under these circumstances we would like to stress on the importance of applying On-line Monitoring systems to assure effective control of industrial effluent quality 24/7.
Economic Instruments in Wastewater Management
Overview and summary
Economic instruments, such as water tariffs or pollution charges, are an important complement to technical, regulatory, and institutional tools to achieve a sustainable and efficient management of wastewater. Economic instruments use market-based, mostly monetary, measures with the objective to raise revenue to help finance wastewater services, to provide incentives to use water efficiently and carefully, to provide disincentives for the anti-social release of polluted wastewater, to make the polluter pay for the environmental damage done, and to raise awareness on the environmental and societal costs of water use and wastewater discharge. The most common economic instruments used in wastewater management are the pricing of wastewater services and levying of charges for wastewater discharge into the environment. In this lesson, different economic instruments used in wastewater management will be presented. Special emphasis will be given to the various tariff structures that are used to levy wastewater service fees. Tariffs determine the level of revenues that service providers receive from users. They are designed for different purposes, and often contain some elements to address poverty.
Economic Instruments in Wastewater Management
Overview and summary
Economic instruments, such as water tariffs or pollution charges, are an important complement to technical, regulatory, and institutional tools to achieve a sustainable and efficient management of wastewater. Economic instruments use market-based, mostly monetary, measures with the objective to raise revenue to help finance wastewater services, to provide incentives to use water efficiently and carefully, to provide disincentives for the anti-social release of polluted wastewater, to make the polluter pay for the environmental damage done, and to raise awareness on the environmental and societal costs of water use and wastewater discharge. The most common economic instruments used in wastewater management are the pricing of wastewater services and levying of charges for wastewater discharge into the environment. In this lesson, different economic instruments used in wastewater management will be presented. Special emphasis will be given to the various tariff structures that are used to levy wastewater service fees. Tariffs determine the level of revenues that service providers receive from users. They are designed for different purposes, and often contain some elements to address poverty.
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