For the disposal of dust from gas-cleaning facilities of sintering furnaces, in addition to a closed dust circulation scheme, a partial removal of it from electric filters for subsequent use in road construction is proposed. It is shown that dust collected from 4–5 fields of electrofilters containing chlorides and sulfates should be used as additives in a nepheline-crushed stone mixture, which will allow obtaining the required high frost resistance indicators of road mix samples.

A new deduster is proposed, in which a slotted filter screen with perforated frame wire wound in several layers is used to collect dust, with specific sizes of slots between the coils and layers of wire. The filter is equipped with an efficient regeneration system and can be used to clean hot, aggressive gases, as well as abrasive dust. A stationary filtration method on various dusts with high (98–99% or more) or target cleaning efficiency and acceptable wall friction is developed and studied. The calculation method, which enables cleaning simulations and determination of optimal performance parameters and dimensions of the slotted filter structure, is presented.

Phytotesting in open field proved the effectiveness of introducing clinoptilolite rocks (CP-rocks) into soils from FOPS® filters after surface wastewater treatment on the roots development and drought resistance of plants. It is revealed that spent CP-rocks accumulate heavy metals (HMs) during water treatment, however, their concentrations do not exceed the MAC of these HMs in soils and wastewater sludge used in agriculture. It is discovered that plant roots to a large extent utilize not only the elements of the exchange complex of CP-rocks (K⁺, Ca²⁺, Mg²⁺), but also framework-forming elements (Al, Si). It is shown that Fe and Mn of CP-rocks poorly processed by plants, which results in their local accumulations in soils and creates conditions for hardpan formation along them. Surface wastewater treatment materials based on FOPS® filters are proposed to be used for the localization of HMs from soils, as well as for the reclamation of municipal solid waste landfills and reforestation.

A solution of the ecological problem of processing waste from metallurgical production is proposed. The results of research on the extraction of sodium and potassium chlorides from foundry slags are shown. A technological scheme based on leaching in hot aqueous solutions with subsequent evaporation is presented.

Recycling features of mixed waste glass to obtain a promising heat-insulating material, expanded glass, are considered. The effective glycerol blowing agent was selected, compositions of initial batch mixtures and research methods were developed. The thermal destruction of the blowing agent during the expension of foam-glass mixtures was experimentally proven and analyzed. The effect of liquid glass in pore-forming mixtures on the thermal degradation of glycerol is described. Main stages of sintering, softening, and foaming of the foam-glass mixture were studied with photo accompaniment in comparison with the initial glass powder without additives. To confirm the experimental results, a theoretical calculation of the temperatures required to achieve the limits of glass viscosity was carried out.

Analysis of more than 50 projects of open-pit gold mining and conclusions of the specialists on them allowed us to determine the most optimal variant of design solutions. The article suggests a method of water intake from water bodies for washing gold-bearing sands which helps to maintain sanitary flow of water in the rivers for preservation of aquatic flora and fauna. The following measures have been considered and suggested the most cost-effective and easy solution – an automatic lowering of the water level in the pioneer and working sumps to the design value during the summer rain floods was proposed.

The article shows the possibility of using solid production waste for sorption decolorization of wastewater from textile enterprises. It was proved that leather shavings have the best ability to absorb water-soluble dyes in a stationary mode among other traditional adsorbents of silica gel, zeolite, shungite, clays, activated carbon (dye absorbtion in a stationary mode is 99.6%). Leather shavings absorbtion capacity of various dyes was calculated in dynamic mode. Leather shavings high efficiency in reducing the spent solutions colorization of mono and mixed color solution was confirmed. Confirmed reuse of leather shavings to absorb dyes.

Analysis of the potential of ash and slag waste from thermal power plants involvement into projects for the deteriorated lands reclamation in Russian regions is presented. It was revealed that the potential for industrial waste use is 5 million tons per year, taking into account the factor of transportation costs, and without it the potential can reach up to 32.18 million tons per year. The necessity to make changes to the regulatory legal framework related to waste disposal activities was indicated, particularly the necessity to expand the list of industrial waste permitted for use in deteriorated lands reclamation.

The pollutants input into the Yakhroma River, a tertiary branch of the Volga tributary, was assessed. The quality of thalweg water was studied, as a result of which biogenic pollution was revealed by insufficiently treated wastewater from cities and arable land. Calculation of biogenic pollutants inputs into the river on the basis of GIS of the selected zones of watershed by washout intensity depending on slope angles and types of soils, was performed. Protection measures to reduce diffuse pollution of the river were proposed.

Forest-forming species of the Cis-Urals (pine, spruce, larch, oak, linden, birch) and soils in forest stands of these species were chosen as study objects. The content of heavy metals (HM) in leaves and needles of forest-forming species, as well as in soils, was analyzed. Different concentrations of HMs were revealed depending on the soil layer. It was shown that adaptations to HM pollution do not depend on whether trees belong to coniferous or deciduous species, which indicates different adaptive potentials of species in each specific case.

Heavy metals pollution analysis of urban land in the city of Vladimir was performed. Soil samples were evaluated for lead, zinc, copper, nickel, manganese, cobalt and chromium. Obtained indicators were compared with MAC and background values. Regularities were identified of study areas proximity to industrial enterprises and heavy metals concentration in soils. Coefficients of heavy metals accumulation in soils were calculated and priority metal pollutants with the highest accumulation coefficients were identified, namely lead, arsenic and zinc.