Application of different treatment systems for boron removal from industrial wastewater with extremely high boron content

Bihter Zeytuncu*, Mehmet Emin Pasaoglu, Bahriye Eryildiz, Anil Kazak, Ayse Yuksekdag, Sevde Korkut, Recep Kaya, Turker Turken, Mustafa Ceylan, Ismail Koyuncu

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Özet

The aim of the study is purification and environmental management of boron containing industrial wastewater wastewaters comparing the efficiency of chemical precipitation and membrane filtration systems on the removal of boron at high concentrations from wastewater coming from boric acid production process and ground water. In order to eliminate adverse effects and find optimum treatment system, chemical precipitation, electrocoagulation and reverse osmosis processes have been studied. Different chemical precipitants such as poly aluminum chloride (PACl), lime, calcium chloride (CaCl2) and barium chloride (BaCl2) and hydrogen peroxide as oxidant were used. When solution pH was adjusted at 10, boron removal increased to 99.5 %. With application of electrocoagulation, 9 % of SO42-, 80 % of Si and 45 % of B were removed from spring water. At membrane-system, single and double pass BWRO/SWRO membrane system operations were carried out in order. Boron-removal increased 98 % by increasing pH up to 10, and DP-SWRO membranes system at 10-pH was found to be the best system. Obtaining a sufficient result for boron removal from spring water, a hybrid membrane process which contains an electrocoagulation process as a pre-treatment method and a double pass RO membrane system has been developed as an attractive technology.

Orijinal dilİngilizce
Makale numarası104083
DergiJournal of Water Process Engineering
Hacim55
DOI'lar
Yayın durumuYayınlandı - Eki 2023

Bibliyografik not

Publisher Copyright:
© 2023 Elsevier Ltd

Finansman

The Authors would like to thank to Eti Mining Operations General Directorate for the support of this research. In the study, Bihter Zeytuncu; Mehmet Emin Pasaoglu; Bahriye Eryildiz were responsible for collecting and analyzing data and writing the article; Ayse Yuksekdag and Sevde Korkut were responsible for elemental analysis studies; Turker Turken, Recep Kaya and Anil Kazak were responsible for operation of treatment systems in Kütahya province; Mustafa Ceylan, Memis Ilker Unlu, Suleyman Un, Seyfullah Yilmaz and Abdurrahman Celiker were responsible for building infrastructure systems such as the electricity supply, wastewater transmission line to pilot plants, ground arrangements for outdoor operated systems and building discharge line, and Ismail Koyuncu is responsible for the entire project operations from pilot plant to writing the article.

FinansörlerFinansör numarası
Eti Mining Operations General Directorate

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