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1 Journal of Ecological Engineering

1 2023

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Intensification of the Wastewater Treatment Process of a Bitumen Plant with the Production of Recycled Water

Serikbayeva Akmaral, Taizhanova Lyailim, Suleimenova Botagoz, Altybayeva Zhansaule, Seidalieva Leila

Journal of Ecological Engineering

2023

Vol. 24, nr 2

295--301

The increasing demand for water with the industrialisation of the world is becoming a major problem as there is a water shortage all over the earth. Therefore, the water problem is one of the important problems that need to be effectively solved. This paper presents the results of research on wastewater treatment of bitumen production in the Mangystau region, which after physical and chemical treatment methods is sent to natural evaporation fields. As a result of research work, a method of wastewater treatment of bitumen plant was developed, which includes two stages: distillation of water on the solar plant and ozonation in order to oxidize volatile organic matter. Distillation to obtain primary treated water of 70–75% volume was carried out at 33–37 °C ambient temperature and 15–30 kPa rarefaction, at the same time COD of water was reduced by 68%.