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1
Content available Biological Reclamation Using a Sewage Sludge-Based Substrate – A Way to Ensure Sustainable Development of Urban Areas
Tymchuk Ivan, Malovanyy Myroslav, Bota Oleh, Shkvirko Oksana, Popovych Olena
Ecological Engineering & Environmental Technology
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2022
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Vol. 23, iss. 1
34--41
EN
The monitoring studies were carried out on the territory of the Lviv wastewater treatment plants. The volumes of accumulated stocks of the sludge site were determined, its qualitative and quantitative indicators were identified, and the presence of limiting factors was established. On the basis of the obtained data, the 2-D models characterizing the vertical and horizontal accumulation of elements were created. The mioindication studies were conducted to determine the feasibility of using sewage sludge as a growth substrate. Modeling was performed to determine the potential area of reclaimed land.
2
Content available Assessment of the Prospects of Application of Sewage Sludge from Lviv Wastewater Treatment Plants for the Purpose of Conducting the Biological Reclamation
Vankovyсh Dmytro, Bota Oleh, Malovanyy Myroslav, Odusha Mykola, Tymchuk Ivan, Sachnyk Iryna, Shkvirko Oksana, Garasymchuk Vasyl
Journal of Ecological Engineering
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2021
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Vol. 22, nr 2
134--143
EN
The prospects of using the sewage sludge from Lviv wastewater treatment plants for biological reclamation was assessed. On the basis of the results of the monitoring of the qualitative and quantitative composition of sewage sludge accumulated in silt fields, the dependences of the distribution of sanitary-microbiological and ecological-chemical characteristics of the accumulated sludge were investigated. Agroecological laboratory studies on estimating the possibility of using sewage sludge in a mix with natural sorbents as a substrate for cultivation of plants was carried out.
3
Content available Sewage Sludge as a Component to Create a Substrate for Biological Reclamation
Tymchuk Ivan, Malovanyy Myroslav, Shkvirko Oksana, Yatsukh Katerina
Ecological Engineering & Environmental Technology
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2021
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Vol. 22, iss. 4
101--110
EN
The main ways of sewage sludge disposal in the European Union and Ukraine were considered. The main problems of sludge utilization in Ukraine were identified. Research on the possibility of using a substrate based on sewage sludge for biological reclamation of disturbed lands was conducted. The quality of the sludge from Lviv WWTP was determined. The best substrate composition for biological land reclamation was determined by using bioindication. It was established that the use of settled sludge observed inhibition of plant growth and development. Introducing additional components to the substrate, in the form of sorbents, makes it possible to increase the content of sewage sludge. Positive changes in plant growth and development when using a soil-based substrate, sewage sludge and sorbent were observed.
4
Content available Review of the Global Experience in Reclamation of Disturbed Lands
Tymchuk Ivan, Malovanyy Myroslav, Shkvirko Oksana, Chornomaz Nataliya, Popovych Olena, Grechanik Ruslan, Symak Dmytro
Ecological Engineering & Environmental Technology
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2021
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Vol. 22, iss. 1
24--30
EN
The article deals with the global experience related to the reclamation of land disturbed due to mining. The experience of Ukraine in carrying out the biological reclamation of disturbed lands as a result of mining operations was analyzed. The directions of land reclamation in the world were defined. The plant species best used for biological reclamation of disturbed lands were determined.
5
Content available Wastewater a Source of Nutrients for Crops Growth and Development
Tymchuk Ivan, Shkvirko Oksana, Sakalova Halyna, Malovanyy Myroslav, Dabizhuk Tetiana, Shevchuk Oksana, Matviichuk Oleksandr, Vasylinych Tamara
Journal of Ecological Engineering
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2020
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Vol. 21, nr 5
88--96
EN
The article deals with the main methods of nutrient removal from wastewater, as well as presents promising technologies and techniques. Struvite was characterized by a complex phosphorus fertilizer. The influence of struvite on the processes of germination of cultivated plants was investigated. The possibility of creating a growth substrate as an inexpensive and effective alternative to the disposal of the man-made wastes that contain an organic component was identified. The composition of the growth substrate was selected to ensure its functional properties. The growth substrate was tested by bioindication. Subsequently, the modification of the substrate by adding natural sorbents.
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