Accelerated carbonation using municipal solid waste incinerator bottom ash and cold-rolling wastewater: Performance evaluation and reaction kinetics

E. E. Chang, Shu Yuan Pan, Liuhanzi Yang, Yi Hung Chen, Hyunook Kim, Pen Chi Chiang

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Accelerated carbonation of alkaline wastes including municipal solid waste incinerator bottom ash (MSWI-BA) and the cold-rolling wastewater (CRW) was investigated for carbon dioxide (CO2) fixation under different operating conditions, i.e., reaction time, CO2 concentration, liquid-to-solid ratio, particle size, and CO2 flow rate. The MSWI-BA before and after carbonation process were analyzed by the thermogravimetry and differential scanning calorimetry, X-ray diffraction, and scanning electron microscopy equipped with energy dispersive X-ray spectroscopy. The MSWI-BA exhibits a high carbonation conversion of 90.7%, corresponding to a CO2 fixation capacity of 102g perkg of ash. Meanwhile, the carbonation kinetics was evaluated by the shrinking core model. In addition, the effect of different operating parameters on carbonation conversion of MSWI-BA was statistically evaluated by response surface methodology (RSM) using experimental data to predict the maximum carbonation conversion. Furthermore, the amount of CO2 reduction and energy consumption for operating the proposed process in refuse incinerator were estimated.Capsule abstract: CO2 fixation process by alkaline wastes including bottom ash and cold-rolling wastewater was developed, which should be a viable method due to high conversion.

Original languageEnglish
Pages (from-to)283-292
Number of pages10
JournalWaste Management
Volume43
DOIs
Publication statusPublished - Sep 1 2015

Fingerprint

Coal Ash
Solid Waste
bottom ash
reaction kinetics
Waste Water
municipal solid waste
wastewater
fixation
Thermogravimetry
X-Ray Emission Spectrometry
thermogravimetry
Differential Scanning Calorimetry
calorimetry
refuse
Particle Size
Carbon Dioxide
X-Ray Diffraction
Electron Scanning Microscopy
X-ray spectroscopy
Capsules

Keywords

  • Alkaline wastes
  • CO<inf>2</inf>
  • Energy consumption
  • Mineralization
  • Operating cost
  • Shrinking core model

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Medicine(all)

Cite this

Accelerated carbonation using municipal solid waste incinerator bottom ash and cold-rolling wastewater : Performance evaluation and reaction kinetics. / Chang, E. E.; Pan, Shu Yuan; Yang, Liuhanzi; Chen, Yi Hung; Kim, Hyunook; Chiang, Pen Chi.

In: Waste Management, Vol. 43, 01.09.2015, p. 283-292.

Research output: Contribution to journalArticle

Chang, E. E. ; Pan, Shu Yuan ; Yang, Liuhanzi ; Chen, Yi Hung ; Kim, Hyunook ; Chiang, Pen Chi. / Accelerated carbonation using municipal solid waste incinerator bottom ash and cold-rolling wastewater : Performance evaluation and reaction kinetics. In: Waste Management. 2015 ; Vol. 43. pp. 283-292.
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