Optimal Boiler Control through Real-time Monitoring of Unburned Carbon in Fly Ash Using Laser Induced Breakdown Spectroscopy

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A laser induced breakdown spectroscopy (LIBS) technique has been applied to detect the unburned carbon in fly ash, and an automated LIBS unit has been developed and applied in a 1000MW pulverized coal fired power plant for real-time measurement of unburned carbon in fly ash. Good agreement was shown between measurement results from the LIBS method and those from the conventional method(JIS 8815), with a standard deviation of 0.27%. This result confirms that measured unburned carbon in fly ash using LIBS is accurate enough for the boiler control and boiler control in optimized way is possible using the value of unburned carbon content in fly ash.

Original languageEnglish
Title of host publicationLaser Induced Plasma Spectroscopy and Applications, LIBS 2002
PublisherOptica Publishing Group (formerly OSA)
Pages42-44
Number of pages3
ISBN (Electronic)1557527253
StatePublished - 2002
Externally publishedYes
EventLaser Induced Plasma Spectroscopy and Applications, LIBS 2002 - Orlando, United States
Duration: 25 Sep 2002 → …

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

ConferenceLaser Induced Plasma Spectroscopy and Applications, LIBS 2002
Country/TerritoryUnited States
CityOrlando
Period25/09/02 → …

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