Saint-Petersburg Mining University, Saint Petersburg, Russia:

Smirnov Yu. D., Candidate of Engineering Science, Associate Professor
Suchkov D. V., Post-Graduate Student
Danilov A. S., Senior Lecturer, Candidate of Engineering Science, aleksandrsdanilov@gmail.com

Company Limited GP Company, Saint Petersburg, Russia:
Goryunova T. V., Chief Executive Officer

The purpose of this research is to develop an innovative product for restoring the disturbed lands productivity with the prospect of using it in an urban environment. The innovative product is organic-mineral soils, developed based on large-tonnage wastes: ash from the incineration of municipal sewage sludge, lignin sludge, phosphogypsum, brown coal crop. Studies of the composition and properties of wastes and artificial soils based on them were carried out using laboratory analysis and biotesting methods to confirm the possibility of the useful use of the proposed products with the issuance of appropriate recommendations. Artificial soils based on available production waste can be successfully sold to developers, road facilities, companies engaged in landscaping and improvement, as well as individuals as a recultivator. Based on the research results, recommendations were prepared for the implementation of the authors’ method to restore the disturbed lands productivity at various urban construction sites to the Committee for the Improvement of St. Petersburg and the Ministry of Construction and Housing and Communal Services of Russia. The article provides recommendations for carrying out work using artificial soil, taking into account the requirements for design and working documentation, agreed in accordance with the procedure established by Russian environmental legislation. The development of innovative products is carried out by supporting the laboratory and experimental base of the accredited Center for Collective Use of High-Tech Equipment of the St. Petersburg Mining University.

The research was carried out at the expense of a subsidy for the fulfillment of the state task in the field of scientific activity for 2021 No. FSRW-2020-0014.

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