Utilization of sewage sludge as an ameliorant for reclamation  of technogenically disturbed lands

Petrova, Tatyana A.; Rudzisha, Edelina

doi:10.31897/pmi.2021.5.16

Cited by 3 publications

(3 citation statements)

References 47 publications

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“…The sludge is a moist, plasticine-like mass with a black-brown color and a pungent specific smell. The sludge is classified as hazardous class V waste according to GOST R 54534-2011, and its total content of heavy metals is well below the standards [12] established by this regulation 4 , At the WTP-3, sludge treatment involves drying and aging on sludge beds for three or more years 5 .…”

Section: Objects and Methods Of Researchmentioning

confidence: 99%

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Establishment of an erosion-control plant cover in a sand pit under Arctic conditions using sewage sludge

Lusis,

Ivanova,

Gorbachyova

et al. 2023

Min.Sci.Technol. (RUS)

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This paper presents the findings of a prolonged field studies that ained to assess the feasibility of using the sewage sludges (SS) form a regional water and wastewater services enterprise to expedite the establishment of a resilient erosion-control plant cover in sand pits located in the Arctic region of the Russian Federation. The study confirms the beneficial impact of the SS on the seed germination, subsequent growth, and development of plants.The study shows that SS can be used in two ways: first, by applying a continuous layer measuring 5 to 10 cm thick on the soil surface or by fragmentarily applying a layer 2–3 cm thick. Second, through early-winter sowing of seeds directly on the soil surface (under the SS layer) or on top of the sewage sludge. In both cases, an annual enhancement of the qualitative and quantitative parameters of the artificially formed stand of grass was observed. This included a significant increase in its height and density, biomass, foliage cover, and thickness of the formed sod, in contrast to the reference sample.The present study investigates the characteristics of the floristic composition of the phytocenoses formed in a sand pit. The findings demonstrate that the use of sewage sludge (SS), regardless of the quantity and application method, accelerates the restorative succession in the sand pit. The thick stand in the experimental variants, resulting from the attraction of pioneer vegetation, promotes the complexity of its structure and species composition, rapid vegetation of inner bare areas, and the emergence of natural phytocenoses elements that are specific to the zonal type of vegetation. Additionally, the use of SS stabilizes erosion processes in the study ares. Consequently, the plant community formed in the experiment using SS can be classified as ecologically sustainable, with the potential for independent existence and further development.These results can serve as a foundation for monitoring efforts and the development of measures to optimize the vegetation of such ecotopes.

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Section: Objects and Methods Of Researchmentioning

confidence: 99%

“…Although SS has a positive effect on the physical properties of sandy soils, optimizing the density and aggregation, it may contain a set of heavy metals and pathogens. Therefore, it is necessary to study each sediment in specific conditions of reclaimed areas [12].…”

Section: Introductionmentioning

confidence: 99%

Establishment of an erosion-control plant cover in a sand pit under Arctic conditions using sewage sludge

Lusis,

Ivanova,

Gorbachyova

et al. 2023

Min.Sci.Technol. (RUS)

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“…Some physico-chemical methods are also used, in particular sorption [14], the disadvantage of which is the need to recycle spent sorbents. The physico-chemical methodthe introduction of ameliorants [15,16], for example, based on sewage sludge [17] is not always applicable and effective, and also requires additional research of each specific sediment and specifics of treated territories.…”

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confidence: 99%

Microbiological remediation of oil-contaminated soils

Sozina

Danilov

2023

PMI

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Microbiological remediation is a promising technology for the elimination of environmental contamination by oil and petroleum products, based on the use of the metabolic potential of microorganisms. The issue of environmental contamination by crude oil and its refined products is relevant in the Russian Federation since the oil industry is one of the leading sectors of the country. Mechanical and physico-chemical methods of treatment are widely used to clean oil-contaminated soils. However, the methods belonging to these groups have a number of significant drawbacks, which actualizes the development of new methods (mainly biological), since they are more environmentally friendly, cost-effective, less labor-intensive, and do not require the use of technical capacities. Various bio-based products based on strains and consortia of microorganisms have been developed that have proven effectiveness. They include certain genera of bacteria, microscopic fungi, and microalgae, substances or materials acting as sorbents of biological agents and designed to retain them in the soil and increase the efficiency of bioremediation, as well as some nutrients. Statistical data, the most effective methods, and technologies, as well as cases of using microorganisms to restore oil-contaminated soils in various climatic conditions are presented.

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Assessment of heavy metal accumulation potential of aquatic plants for bioindication and bioremediation of aquatic environment

Petrov

Korotaeva

Пашкевич

et al. 2022

Environ Monit Assess

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Utilization of sewage sludge as an ameliorant for reclamation of technogenically disturbed lands

Cited by 3 publications

References 47 publications

Establishment of an erosion-control plant cover in a sand pit under Arctic conditions using sewage sludge

Establishment of an erosion-control plant cover in a sand pit under Arctic conditions using sewage sludge

Microbiological remediation of oil-contaminated soils

Assessment of heavy metal accumulation potential of aquatic plants for bioindication and bioremediation of aquatic environment

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