ReEngineered feedstocks for pulverized coal combustion emissions control

Cheng Zhu, Sheng Chu, Geoffrey A. Tompsett, Jin Yang, T. J. Mountziaris, Paul J Dauenhauer

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

New coal reaction technology called ReEngineered Feedstock (ReEF), consisting of post-recycled paper and plastics, was evaluated for combustion emissions control when cofiring with pulverized coal. Experiments were conducted with four types of ReEF in a 2 in. diameter laboratory-scale fluidized bed combustor system heated to 1200, 1400, and 1600 °C. Flue gas emission was continuously monitored with an online infrared multigas analyzer and mass spectrometer. The results indicate that co-firing ReEF with coal provides SO2 emission reduction in flue gas up to 85% and moderate decrease in NO emissions, as well as higher carbon conversion than pure coal combustion. ReEF, slag and fly ash solids were were analyzed by X-ray diffraction; identification of sulfates in the product ash conclusively supports the mechanism of in situ sulfur capture.

Original languageEnglish (US)
Pages (from-to)17919-17928
Number of pages10
JournalIndustrial and Engineering Chemistry Research
Volume53
Issue number46
DOIs
StatePublished - Nov 19 2014

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Coal combustion
Emission control
Feedstocks
Coal
Ashes
Flue gases
Coal Ash
Fluidized bed combustors
Mass spectrometers
Gas emissions
Fly ash
Sulfur
Slags
Sulfates
Carbon
Plastics
Infrared radiation
X ray diffraction
Experiments

Cite this

ReEngineered feedstocks for pulverized coal combustion emissions control. / Zhu, Cheng; Chu, Sheng; Tompsett, Geoffrey A.; Yang, Jin; Mountziaris, T. J.; Dauenhauer, Paul J.

In: Industrial and Engineering Chemistry Research, Vol. 53, No. 46, 19.11.2014, p. 17919-17928.

Research output: Contribution to journalArticle

Zhu, Cheng ; Chu, Sheng ; Tompsett, Geoffrey A. ; Yang, Jin ; Mountziaris, T. J. ; Dauenhauer, Paul J. / ReEngineered feedstocks for pulverized coal combustion emissions control. In: Industrial and Engineering Chemistry Research. 2014 ; Vol. 53, No. 46. pp. 17919-17928.
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