Fate and behavior of selected heavy metals with mercury mass distribution in a fluidized bed sewage sludge incinerator

Deepak Pudasainee, Yongchil Seo, Jeong Hun Kim, Ha Na Jang

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In this paper, emission and distribution behavior of six heavy metals (As, Cd, Cr, Ni, Pb, and Hg), particulate matter and mass distribution of mercury within the different streams of a fluidized bed sewage sludge incinerator are presented. At the inlet of air pollution control devices (APCDs); Cd, Cr, Ni and Pb were mainly enriched in coarse particles; comparatively As content was higher in fine particles (&PM2. 5). The concentration of heavy metals in total particulate matter and PM2. 5, at the inlet of APCDs, were in the order of Cr>Ni>Pb>As>Cd. Mercury was almost always distributed in flue gas. Metals, other than mercury, were efficiently removed in APCDs and their concentrations in bottom ash, with fly ash being higher, whereas for that in wastewater, then waste sand was lesser. Overall mercury removal efficiency of APCDs was 98. 6 %. More than 83. 3 % of mercury was speciated into oxidized form at the inlet of APCDs, attributed by higher chlorine content in sludge. Mercury was mainly distributed in wastewater (78. 4 %), wastewater from a spray dry reactor (16. 8 %), fly ash in a hopper (3. 4 %) and flue gas (1. 4 %). This result is one of the first for data to be obtained; more experiments are required to control emission from such sources.

Original languageEnglish
Pages (from-to)202-209
Number of pages8
JournalJournal of Material Cycles and Waste Management
Volume15
Issue number2
DOIs
Publication statusPublished - 2013 Jan 1

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Air pollution control
Refuse incinerators
Mercury (metal)
Sewage sludge
Fluidized beds
Heavy metals
pollution control
heavy metal
atmospheric pollution
Wastewater
Ashes
Fly ash
Flue gases
wastewater
fly ash
particulate matter
Hoppers
Emission control
bottom ash
Chlorine

All Science Journal Classification (ASJC) codes

  • Waste Management and Disposal
  • Mechanics of Materials

Cite this

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title = "Fate and behavior of selected heavy metals with mercury mass distribution in a fluidized bed sewage sludge incinerator",
abstract = "In this paper, emission and distribution behavior of six heavy metals (As, Cd, Cr, Ni, Pb, and Hg), particulate matter and mass distribution of mercury within the different streams of a fluidized bed sewage sludge incinerator are presented. At the inlet of air pollution control devices (APCDs); Cd, Cr, Ni and Pb were mainly enriched in coarse particles; comparatively As content was higher in fine particles (&PM2. 5). The concentration of heavy metals in total particulate matter and PM2. 5, at the inlet of APCDs, were in the order of Cr>Ni>Pb>As>Cd. Mercury was almost always distributed in flue gas. Metals, other than mercury, were efficiently removed in APCDs and their concentrations in bottom ash, with fly ash being higher, whereas for that in wastewater, then waste sand was lesser. Overall mercury removal efficiency of APCDs was 98. 6 {\%}. More than 83. 3 {\%} of mercury was speciated into oxidized form at the inlet of APCDs, attributed by higher chlorine content in sludge. Mercury was mainly distributed in wastewater (78. 4 {\%}), wastewater from a spray dry reactor (16. 8 {\%}), fly ash in a hopper (3. 4 {\%}) and flue gas (1. 4 {\%}). This result is one of the first for data to be obtained; more experiments are required to control emission from such sources.",
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Fate and behavior of selected heavy metals with mercury mass distribution in a fluidized bed sewage sludge incinerator. / Pudasainee, Deepak; Seo, Yongchil; Kim, Jeong Hun; Jang, Ha Na.

In: Journal of Material Cycles and Waste Management, Vol. 15, No. 2, 01.01.2013, p. 202-209.

Research output: Contribution to journalArticle

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