Results 1 to 10 of about 19,223 (213)

Toxicity assessment of sewage sludge from municipal sewage treatment plants

open access: yesEconomics and Environment, 2022
The aim of this study was to assess the toxicity of sewage sludge from the municipal sewage treatment plant in Bialystok. Raw sewage, sewage sludge from the primary settling tank, activated sludge, sludge before the fermentation chamber, recirculated ...
Eliza Hawrylik   +2 more
doaj   +1 more source

Sewage Sludge-Induced Effect on Growth, Enzyme Inhibition, and Genotoxicity can be Ameliorated Using Wheat Straw and Biochar in Pheretima posthuma Earthworms

open access: yesFrontiers in Environmental Science, 2022
Sewage sludge, rich in organic matter and nutrients, is widely used as a fertilizer to increase the fertility of soil. The direct application of sewage sludge without any treatment causes soil contamination as well as significantly affects the earthworm ...
Hira Khalid   +5 more
doaj   +1 more source

Biochemical Neutralization of Coke Excess Sewage Sludge During Anaerobic Digestion Process [PDF]

open access: yesChemical and Biochemical Engineering Quarterly, 2018
The paper presents the results of the study concerning the production of biogas, thermal energy gain and changes of physical-chemical properties during the process of anaerobic digestion of the municipal sewage sludge amended with coke sewage sludge. The
B. Macherzyński   +1 more
doaj   +1 more source

Development and Substantiation of Approaches to the Management of Sewage Sludge of Different Storage Periods

open access: yesEnergies, 2023
A widespread method of sewage sludge disposal is still simple storage in sludge lagoons. Subsequent thermal utilization is hardly possible because sludge properties change over time and energy content is reduced.
Anna Tsybina   +3 more
doaj   +1 more source

Influence of Valorization of Sewage Sludge on Energy Consumption in the Drying Process

open access: yesEnergies, 2021
Valorization of digested sewage sludge generated in a medium-sized sewage treatment plant and the effect of valorization on energy consumption during sludge drying used for energy recovery are presented.
Ewa Siedlecka, Jarosław Siedlecki
doaj   +1 more source

Modified bentonite as a conditioning agent for stabilising heavy metals and retaining nutrients in sewage sludge for agricultural uses

open access: yesWater Science and Technology, 2021
The management and disposal of excess sludge are emerging issues owing to the high costs associated with treatment. In this study, the viability of a modified bentonite was investigated as a conditioning agent for the stabilisation of heavy metals (i.e.,
Yu Cheng   +6 more
doaj   +1 more source

Sewage sludge agricultural use

open access: yesGlobal NEST International Conference on Environmental Science & Technology, 2022
Sewage sludge use in agriculture is promoted by the European union since the normative of cleaning waters related to the compulsory use of depuration plants in all cities over 2000 inhabitants was finally implemented in 2005. The USC has been conducted long-term experiment research of application of different sewage sludge doses in silvopastoral ...
Mosquera-Losada, M.R.   +5 more
openaire   +1 more source

Synthesis of zeolite P from sewage sludge ash [PDF]

open access: yesE3S Web of Conferences, 2019
Sewage sludge is an example of waste considered as biomass. The utilization of sewage sludge is more often realized through combustion, which simultaneously constitutes the recovery of energy from a renewable source.
Latosińska Jolanta
doaj   +1 more source

ECOTOXICOLOGICAL ASSESSMENT OF THE SOILFERTILIZED WITH SEWAGE SLUDGE [PDF]

open access: yesPresent Environment and Sustainable Development, 2020
Sewage sludge and its management constitute one of the most important environmental problems. The introduced the Sewage Sludge Directive 86/278/EEC advocate utilization of sewage sludge in agriculture.
Justyna Kujawska   +1 more
doaj   +1 more source

The effect of municipal sewage sludge on properties physicochemical and microbial agricultural soil

open access: yesNotulae Scientia Biologicae, 2021
The organic matter content of sludge can improve the physical, chemical and biological properties of the soil ensuring better cultivation and good agricultural productivity.
Naima DOUAER   +4 more
doaj   +1 more source

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