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UDC 628.179.2


Recycled water systems in industrial water supply schemes


Water and energy conservation is one of the conditions of the successful operation of an industrial enterprise. Water balance developed with an account of the actual water and wastewater metering is a basis of ensuring the sustainable water use. The analysis of the water balance provides for reducing total discharge and water consumption in the production processes by establishing local process and cooling recycled water systems for separate workshops and installations. In this respect recovering recyclable material or commercial product from sludge and wastes is possible. In case secondary product recovering is not possible or economically impracticable the wastes are transferred to special utilities for utilization. The operability of the water recycling cooling systems can be restored by upgrading with the use of prefabricated small-scale cooling towers. Small-scale prefabricated cooling towers provide for recovering 115 thousand kcal/h of heat from 1 m2 irrigated area. The examples of improving water supply and drainage systems of a number of industrial enterprises are given. An algorithm of improving industrial water supply and drainage systems is presented. Herewith one of the tasks is training of qualified personnel capable of addressing environmental security issues in combination with providing for the sustainable water supply of the industrial enterprise.

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