INVESTIGATION OF CHEMICAL COMPOSITION OF SECONDARY PRODUCTS GENERATED FROM PRODUCTION OF POLYAMIDE FIBERS
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Abstract
The question of the secondary products produced by chemical plants of Grodno region is studied. It is ascertained that cleaning nozzles at production of polyamide fibers for PTC “Khimvolokno” results in accumulating of a component containing used sodium nitrite, the properties of which has not been studied yet. To make a decision about utilization of the given product technological processes of polyamide fiber production are studied and chemical analysis of secondary sodium nitrite composition is made. Studies have shown that the secondary product is mainly composed of sodium carbonate and sodium nitrite. From the review of the literature it is known that sodium nitrite is an inhibitor of the corrosion of steel plate and can accelerate set-ting of cement compositions, hardening in the cold. Sodium carbonate is to additives that accelerate setting and hardening of concrete and mortar. Hence, we can assume that the investigational product containing so-dium carbonate and sodium nitrite, will become an integrated additive for cement systems.
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References
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