Chemical Treatment of Water for Steam Boilers in Mining Power Complex “Oslomej”in Kicevo

Pavlovska, Gorica and Jankuloska, Vezirka and Temelkoska, Bratica (2014) Chemical Treatment of Water for Steam Boilers in Mining Power Complex “Oslomej”in Kicevo. Book of proceedings of the 4th International symposium on environmental management and material flow management. ISSN ISBN: 978-86-6305-029-7

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Abstract. Mining power complex ”Oslomej” in Kicevo is a thermal power plant that achieves an annual production of about 700 GW/h. Oslomej uses drinking water for operating of the steam boilers.. Since drinking water does not meet the required criteria for the working of steam boilers, it is necessary to be chemically treated. The chemical treatment is consisted of two different procedures: decarbonation and demineralization. Decarbonation is performed in quick concrete reactor - accelerator with a solution of Ca(OH)2 and FeCl3, and demineralization is performed using ion modifiers. As a result of the process of decarbonation, there is а partial water refill which reduces the conductivity. After applying the process of demineralization there is a complete removal of the mineral substances, so that the total water hardness is 0 degrees German (ºD), SiO2 is less than 0,2 mg/L, and the conductivity (σ) is smaller than 0,5 μS/cm. Filtering is done using sand filters and the recommended intensity of the flow of filtered water is 40 - 60 m3/h. The analyses of drinking, decarbonized and demineralized water are made daily. This paper describes the chemical treatment of water for steam boilers in “Oslomej”. There are shown the results from the analysis of drinking, decarbonized and demineralized water in randomly selected days.

Item Type: Article
Uncontrolled Keywords: decarbonation, demineralization, steam boilers, water
Subjects: Engineering and Technology > Other engineering and technologies
Divisions: Faculty of Technology
Depositing User: Bratica Temelkoska
Date Deposited: 02 Dec 2016 11:31
Last Modified: 02 Dec 2016 11:31

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