Chemistry and petrology of paired feed coal and combustion ash from anthracite-burning stoker boilers

James C. Hower, Madison M. Hood, Ross K. Taggart, Heileen Hsu-Kim

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The feed coal and corresponding ash from a series of stoker boilers burning Pennsylvania anthracite were investigated for their petrographic and chemical characteristics. The coals have low-S and moderate-ash contents with similar major oxide and minor element compositions. The volatile minor elements, such as Zn and As, decrease in concentration from the feed coal to the stoker ash (comparisons on the ash basis). The light rare earth elements (La through Sm) decrease in concentration relative to the heavy rare earth elements (Eu through Lu) from the coal ash to the stoker ash.

Original languageEnglish
Pages (from-to)438-446
Number of pages9
JournalFuel
Volume199
DOIs
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

  • Arsenic
  • Rare earth elements
  • Unburned coal

ASJC Scopus subject areas

  • General Chemical Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry

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