Development of an innovative approach on the basis of model of environmental-economic balance to the management of sewage in Ukraine

Svitlana Karvan and Sergiy Goriashchenko, Khmelnytsky National University, Ukraine, Sergiy Petya, Car Wash Vodogray, Khmelnytsky, Ukraine and Oleg Demchuk, LLC Agency for Sustainable Development, Khmelnytsky, Ukraine


Ukraine adopted the Strategy of Sustainable Development "Ukraine - 2020" in January 2015, but the difficult economic situation in Ukraine impedes the implementation of this strategy and the use of modern expensive technologies. On the other hand, the ecological situation in the world compels to search for new approaches in environmental conservation. Today the cost of production can be assessed not only in the currency, but in the quantity of consumed energy and water. Therefore an approach to development of urban sustainability is proposed on the basis of Model of Economic-Environmental Balance (EEB), which allows determining the optimal balance between the costs for implementing resource saving technologies and environmental impact. The approach consists of the following components: modeling EEB, determining index EEB as the ratio of economic indicator of production costs to indicator of the environmental impact, use of Model of EEB for optimization of the quantity and costs of water and energy at the car wash, the development of the new scheme of cycle water use with new efficient sorbent based natural mineral saponite which was discovered in Khmelnytsky region in Ukraine (100 million tons, Tashkiv and Varvariv deposits).

The technology of sewage treatment is based on the application of the modified form of saponite sorbent with high adsorption properties which removes 98-100% of heavy metals ions and surfactants from polluted water and has sorption capacity for dissolved and emulsified petroleum 292-315 mg/g. The following technology ensures the high adsorption properties of sorbent: modification of saponite by non-organic substances → cylindrical pellets forming → air drying → crushing and sifting of grains → burning at 600-7000C for 1 hour.

The proposed technology at car wash allows reducing water consumption by 10 times, energy consumption by 30% with payback term of treatment system 2 years.

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