2019
DOI: 10.1088/1755-1315/337/1/012077
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A new approach for recycling of spent activated sludge

Abstract: The paper presents the basic methods of disposal and recycling of waste activated sludge. We propose a new technology of neutralization of waste activated sludge and subsequent disposal in the form of an adsorbent for cleaning oil-contaminated wastewater and production of complex fertilizers, allowing to intensify the process of phytoremediation of soils from oil.

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Cited by 5 publications
(3 citation statements)
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“…Another method of liquid sludge recycling is the energy-intensive process of aerobic stabilization; however, this method does not provide the required degree of disinfection to use this sludge as a fertilizer [7].…”
Section: Recyclingmentioning
confidence: 99%
“…Another method of liquid sludge recycling is the energy-intensive process of aerobic stabilization; however, this method does not provide the required degree of disinfection to use this sludge as a fertilizer [7].…”
Section: Recyclingmentioning
confidence: 99%
“…One of the ways to solve the problem of polluted and degraded urban soils is to use in green building of soils formed on the basis of sludge of water treatment facilities [7][8][9][10][11][12][13]. The water sludge has agrochemical properties that make it a sapropel: a sufficient content of organic matter, nitrogen, phosphorus, potassium, a favourable pH range.…”
Section: Introductionmentioning
confidence: 99%
“…At the modern stage of chemistry and petrochemistry development, the processes of management of waste, including oil and sludge, are under strict complex requirements. These include reducing energy and resource consumption, increasing their technical and economic efficiency, ensuring environmental safety according to the world standards [1,2]. The existing technologies for oil sludge disposal often do not respond to the stated requirements, and have a negative impact on the environment by their own waste, which have to be buried.…”
Section: Introductionmentioning
confidence: 99%