A Review on Technologies of Removal of Dioxins and Furans from Incinerator Flue Gas

Mukherjee, Arghya; Debnath, Biswajit; Ghosh, Sadhan Kumar

doi:10.1016/j.proenv.2016.07.037

Cited by 72 publications

(36 citation statements)

References 58 publications

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“…Incineration also has some drawbacks in terms of emission of pollutants that are typical for fossil fuel combustion, such as harmful (CO 2 , CO, NO X , SO 2, dioxins, and dust) . There is also considerable emission of highly harmful pollutants from the organic and inorganic matters such as heavy metals, polycyclic aromatic hydrocarbon, polychlorinated biphenyl, and polychlorinated dibenzodioxins . Fly ash and bottom ash from waste‐burning plants are another form of dangerous pollutant considered as crucial problem, although there are now highly controlled incineration emission processes in newly designed incinerators.…”

Section: Review Of the Food Waste Properties Environmental Issues Amentioning

confidence: 99%

Pyrolysis coupled anaerobic digestion process for food waste and recalcitrant residues: Fundamentals, challenges, and considerations

Giwa

Chang

et al. 2019

Energy Science & Engineering

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Food waste (FW) is a severe environmental problem all over the world, and the recalcitrant organic residues (ROR) from FW treatment plant operations are also a critical environmental issue due to unsustainable treatment and disposal techniques.Requirements for FW and ROR complete exploitation with the establishment of recycling-renewable technologies are very crucial. This paper review AD and pyrolysis as two promising technologies to degrade FW and its residues, creating numerous renewable bioenergy yields with value-added. Existing oil/tar application methods in the AD suffered from various problems such as microorganism toxicity and limited productivity. Future upgrading techniques considering the second-stage pyrolysis process to decompose oil/tars for syngas with high hydrogen content and enhanced bio-methanation in the AD were addressed. Simultaneous pyrolysis by-product recycle in the AD during the valorization of FW are aimed to have the features of sustainability toward increased bioenergy production, reactor efficiency, and agricultural application. K E Y W O R D Sanaerobic digestion, coupling, food waste, pyrolysis, recalcitrant organic residues | 2251 GIWA et Al.

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Section: Review Of the Food Waste Properties Environmental Issues Amentioning

confidence: 99%

Pyrolysis coupled anaerobic digestion process for food waste and recalcitrant residues: Fundamentals, challenges, and considerations

Giwa

Chang

et al. 2019

Energy Science & Engineering

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“…Они способны к биоаккумуляции и био магнификации (увеличение концентрации веществ на каждой ступени экологической пирамиды), обладают высокой стабильностью и длительным перио дом полураспада. Такие синтетические вещества, как 2,3,7,8-тетра хлордибензо-n-диоксин (С 12 Н 4 Cl 4 O 2 ) и 2,3,7,8-тетрахлордибензофуран (С 12 Н 4 Cl 4 O) относятся к самым токсичным [9].…”

Section: диоксины и фураны: характеристика и воздействие на окружающуunclassified

“…Предельно допустимые концентрации (ПДК) и допустимые суточные дозы (ДСД) ДиФ менялись с течением времени, что связано с получением новой информации об особенностях миграции ДиФ в природных средах [9]. В РФ со времен СССР (1988 г.)…”

Section: диоксины и фураны: характеристика и воздействие на окружающуunclassified

“…Эти вещества являются причиной таких патологий, как болезнь Дауна, волчья пасть, заячья губа, нарушение развития конечностей. Среди отдаленных последствий действия ДиФ наблюдаются онкологические заболевания [9,15]. Время полу выведения из организма диоксинов составляет от 1,5 до 16 лет в зависимости от токсичности вещества.…”

Section: диоксины и фураны: характеристика и воздействие на окружающуunclassified

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Dioxins and furans in zinc-containing metallurgical dust: behavior and formation processes

Simonyan

Демидова

2019

Izv. vysš. učebn. zaved., Čern. metall.

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The use of galvanized scrap as a charge material for electric steel-smelting production leads to the formation of metallurgical dust suitable for the extraction of non-ferrous metals. The issues related to the behavior of chlorine and its compounds in zinc and lead containing EAF-dust is not sufficiently studied. Current research exhibits the danger of chlorine and its compounds in charge and, consequently, in emissions of EAF. Chlorine and its compounds are considered to be the main components associated with the formation of highly toxic organic substances – dioxins and furans (D&F). D&F enter the environment not only in gaseous form, but also in the form of compounds adsorbed on the surface of dust particles. According to various data, D&F concentration is 5-500 ng / kg of dust and depends on the technological parameters of melting. Analysis of the formation processes of D&F in EAF and their behavior in the captured dust is given. It was found that at the studied chlorine content of 1.3% in EAF-dust from the charge materials, 99.9% of chlorine form relatively safe compounds, mainly chlorides, and a small amount goes to the formation of D&F. The amount of D&F adsorbed on the surface of captured dust particles was 474 ng / kg of dust. As strong toxicants, D&F increase the hazard category of dust from the 4th to the 3rd and above that must be considered at dust usage. In addition, the transport of D&F in the environment is due to solid particles that absorb poisons on their surface. Therefore, EAF dust, with D&F adsorbed on its surface, can provoke their entry into organisms. The ways of reducing D&F emission in the production of EAF-steel and the resource-saving and environmentally safe technologies of dust processing are considered. In particular, the possibility of using lime milk for the off-gases irrigation in the EAF gas flue was analyzed and it was shown that it allows to reduce the D&F content to acceptable limits. The efficiency of the proposed activities was evaluated.

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“…Thus, the best option is to prevent the formation of highly toxic substances as such. In [12], the authors describe a significantly wide range of modern methods of dealing with dioxins on the basis of catalytic reactions. On the other hand, the comparative analysis of those methods has revealed certain limitationsthe main ones are as follows:…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Numerical integration of the process of cooling gas formed by thermal recycling of waste

Vambol

2016

EEJET

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A Review on Technologies of Removal of Dioxins and Furans from Incinerator Flue Gas

Cited by 72 publications

References 58 publications

Pyrolysis coupled anaerobic digestion process for food waste and recalcitrant residues: Fundamentals, challenges, and considerations

Pyrolysis coupled anaerobic digestion process for food waste and recalcitrant residues: Fundamentals, challenges, and considerations

Dioxins and furans in zinc-containing metallurgical dust: behavior and formation processes

Numerical integration of the process of cooling gas formed by thermal recycling of waste

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