Pyrolysis and gasification in the process of sewage sludge treatment

  • Šušteršič V
  • Božičković S
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Abstract

Pyrolysis and gasification represent a thermo-chemical process of solid mass conversion and the products obtained are: liquidity (pyrolytic oil), gases and coke residue. In modern society, there is a growing need for the use of ecological systems and renewable energy sources. As a potential and renewable energy resource we can consider sewage sludge. Sewage sludge is mostly disposed of in nature, while a very small part of the treats. Due to the non-adequate treatment of sewage sludge there is a high risk of impacts of harmful substances on humans and animals. Apart from the fact that the sewage sludge can be a major energy potential, thermal treatment allows to solve the problem of disposal of sewage sludge in nature and environmental pollution. Utilizing the sewage sludge as an energy source would generate large fossil fuels, neutralize sewage sludge landfills and reduce the risk of developing and spreading the disease due to the presence of harmful substances.Piroliza i gasifikacija predstavljaju termohemijski proces konverzije čvrste mase, a dobijeni proizvodi su: tečnost (pirolitičko ulje), gasovi i koks kao čvrsti ostatak. U modernom društvu se sve više javlja potreba za primenom ekoloških sistema i obnovljivih izvora energije. Kao potencijalni i obnovljivi energetski resurs možemo smatrati kanalizacioni mulj. Kanalizacioni mulj se pretežno odlaže u prirodu, dok se veoma mali deo tretira. Zbog neadekvatnog tretmana kanalizacionog mulja postoji veliki rizik od uticaja štetnih materija na čoveka i životinje. Osim što kanalizacioni mulj može predstavljati veliki energetski potencijal, termički tretman omogućava da se reši problem odlaganja kanalizacionog mulja u prirodu i zagađenje životne sredine. Iskorišćenjem kanalizacionog mulja kao energenta ostvarile bi se velike uštede fosilnog goriva, neutralisala bi se odlagališta kanalizacionog mulja i smanjio bi se rizik od nastanka i širenja bolesti usled prisustva štetnih materija.

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APA

Šušteršič, V., & Božičković, S. (2017). Pyrolysis and gasification in the process of sewage sludge treatment. Zastita Materijala, 58(3), 305–312. https://doi.org/10.5937/zasmat1703305b

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