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Spent Biosorbents as Additives in Cement Production

Halysh Vita, Trus Inna, Nikolaichuk Alina, Skiba Margarita, Radovenchyk Iaroslav, Deykun Iryna, Vorobyova Viсtoria, Vasylenko Inna, Sirenko Ludmila

Journal of Ecological Engineering

2020

Vol. 21, nr 2

131--138

The research is related to solving the problem of rational use of materials and to the creation of resource-saving technologies for the protection of the environment from pollution. Sorption technologies are quite effective in wastewater treatment, but most sorbents are quite expensive, and their regeneration raises the question of recycling of spent solutions. The cheapness and availability of raw material base of biosorbents makes these technologies attractive for wastewater treatment. The research is aimed at investigation of the ways to effectively utilize the spent sorbents, which are obtained after water purification, in the production of building materials. The obtained results allow creating a complex low-waste technology of water demineralization and purification from heavy metal ions.

Innovative Approach in Creation of Integrated Technology of Desalination of Mineralized Water

Trus Inna, Radovenchyk Iaroslav, Halysh Vita, Skiba Margarita, Vasylenko Inna, Vorobyova Viсtoria, Hlushko Olena, Sirenko Ludmila

Journal of Ecological Engineering

2019

Vol. 20, nr 8

107--113

In this study, the optimum parameters of membrane desalinization of model solutions were determined and the required efficiency was achieved. Methods for stabilizing treatment of water before barometric desalination were developed to improve the efficiency of membranes. Methods of reagent processing of concentrates after barometric water were proposed to create a low-waste technologies for demineralization of water. It was shown that the precipitate can be used as an additive for cements and a sulfate activator for slag-portland cement.