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A handy method for estimating the particle concentration distribution in FCC risers using a gamma-ray transmission technique

Authors
  • Liu, Xiaocheng
  • Wei, Yaodong
  • Song, Jianfei
Type
Published Article
Journal
Petroleum Science
Publisher
China University of Petroleum (Beijing)
Publication Date
May 07, 2014
Volume
11
Issue
2
Pages
318–322
Identifiers
DOI: 10.1007/s12182-014-0346-1
Source
Springer Nature
Keywords
License
Yellow

Abstract

A handy gamma-ray transmission method for estimating the particle concentration distribution in a fluid catalytic cracking (FCC) riser is proposed. The method is based on an empirical correlation , which has only one unknown parameter , hence only one single-beam experimental result is enough to estimate the particle concentration distribution in the riser. In order to verify the feasibility of this method, the particle concentrations of three cross-sections of the laboratory riser were measured and the distribution profiles were compared with those reported in the literature. Furthermore, by comparing other gamma-ray function methods applied in the measurement of risers, this method has distinct advantages, such as the device is simple and has no moving parts, the measurement is rapid, and the safety is high because only one gamma-ray beam is used. Therefore, the method has promising applications in estimating particle concentrations or monitoring operation conditions of risers.

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