Abstract
The article covers the state of pre-chemical treatment of natural water at Tashtpp with the use of aluminum sulphate and the creation of an experimental unit for producing coagulant, aluminum sulphate, as well as a block diagram of the proposed electrocoagulation unit for pre-treatment and clarification of water. An electrocoagulation technology for pre-treatment and clarification of water for Tashtpp steam boilers has been developed.
Highlights
Among the most important technological processes of modern thermal power plants (TPP) is a complex of processes for preparing deeply desalinated water, providing a normalized composition of impurities in the steam and feed water of boilers
Each TPP has a system of water treatment plants (WTP)
The WTP system includes: a chemical water treatment plant designed for chemical treatment of additional water that makes up for losses in the water-steam path and the heating network, as well as for cleaning condensate returned from production and installation, designed for corrective treatment of turbine condensate and feed water by introducing corrective reagents into the condensatefeed path in accordance with the accepted water-chemical regime [1]
Summary
Among the most important technological processes of modern thermal power plants (TPP) is a complex of processes for preparing deeply desalinated water, providing a normalized composition of impurities in the steam and feed water of boilers. Pre-treatment consists in clarifying the source water by removing coarse and colloidal impurities from it. It was found [3] that aluminum hydroxide obtained by electrochemical method has a significantly higher sorption capacity in relation to a number of water pollutants (humus, iron, silicon, etc.) than aluminum hydroxide formed as a result of hydrolysis of its salts.
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