Assessment of greenhouse CO2 emissions associated with the cement manufacturing process

Sabah A. Abdul-Wahab, Ghazi A. Al-Rawas, Sappurd Ali, Hilal Al-Dhamri

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The goal of the present work was to identify the impact of carbon dioxide (CO2) emissions on a cement plant's workplace environment and its surrounding area. The concentration levels of CO2 over the study domain were investigated by means of the Weather Research and Forecasting/California Puff Model (WRF/CALPUFF) integrated modeling system (TRC Environmental Corporation, Windsor, CT, USA). Two sources were modeled for the current study: CO2 resulting from the calcination of raw materials and fuel consumption in three kilns and power plant emissions, which were treated as point sources, and vehicular-based CO2 emissions, emitted during the transportation of raw materials from the quarry to the crusher, which was modeled as a line source and calculated using the activity data collected from the cement plant and the emission factors as described by various environmental agencies. A comparison between the predicted results and the allowable limits of CO2 were made to investigate the environmental quality in the study area. The results of the study revealed that the CO2 contributions due to line source emissions were higher within and outside the plant than those from the point sources during the selected winter days. On the other hand, the individual contributions made by the point sources in the selected summer days exceeded the line source contributions, even though the combined contribution of CO2 (from both types of sources in the workplace and nearby areas) was at its height during the chosen winter days. Furthermore, maximum average concentrations, as predicted by CALPUFF for a standard period of 1 hr, were at higher than permissible levels during the selected days in both winter and summer. Within an average 24-hr period, the maximum modeled concentrations of CO2 were at the higher end of allowable limits during the designated winter days and at the lower end throughout the summer days.

Original languageEnglish
Pages (from-to)338-354
Number of pages17
JournalEnvironmental Forensics
Volume17
Issue number4
DOIs
Publication statusPublished - Oct 1 2016

Fingerprint

cement
manufacturing
point source
winter
workplace
summer
fuel consumption
environmental quality
quarry
power plant
carbon dioxide
weather
modeling
line source

Keywords

  • CALPUFF
  • Carbon dioxide
  • cement plant
  • emission factors
  • WRF

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Management, Monitoring, Policy and Law

Cite this

Assessment of greenhouse CO2 emissions associated with the cement manufacturing process. / Abdul-Wahab, Sabah A.; Al-Rawas, Ghazi A.; Ali, Sappurd; Al-Dhamri, Hilal.

In: Environmental Forensics, Vol. 17, No. 4, 01.10.2016, p. 338-354.

Research output: Contribution to journalArticle

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