EXPERIMENTAL STUDY ON INFLUENCE OF CaO ADDITION ON TAR GENERATION DURING BIOMASS PYRALYSIS

PAN Chunpeng; CHEN Chong; HUANG Qunxing; CHI Yong State Key Laboratory of Clean Energy Utilization

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EXPERIMENTAL STUDY ON INFLUENCE OF CaO ADDITION ON TAR GENERATION DURING BIOMASS PYRALYSIS

Thermal Power Generation Vol. 41, Issue 8, Pages: 18-23(2012)

更新时间：2025-09-28

- EXPERIMENTAL STUDY ON INFLUENCE OF CaO ADDITION ON TAR GENERATION DURING BIOMASS PYRALYSIS
- 作者机构：
  
  浙江大学能源清洁利用国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： X705
- Published：2012
- 稿件说明：
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PAN Chunpeng, CHEN Chong, HUANG Qunxing, et al. EXPERIMENTAL STUDY ON INFLUENCE OF CaO ADDITION ON TAR GENERATION DURING BIOMASS PYRALYSIS[J]. Thermal Power Generation, 2012, 41(8): 18-23.
DOI：

PAN Chunpeng, CHEN Chong, HUANG Qunxing, et al. EXPERIMENTAL STUDY ON INFLUENCE OF CaO ADDITION ON TAR GENERATION DURING BIOMASS PYRALYSIS[J]. Thermal Power Generation, 2012, 41(8): 18-23. DOI：

摘要

采用TG-FTIR联用技术

研究了CaO/物料(CaO/M)质量比与加热速率对竹子热解焦油生成的影响

并与干纸浆的试验结果进行对照。结果表明

焦油主要成分为酮、醛、酸、酚与烃类物质;添加CaO能显著减少焦油含量

添加比例越大其催化裂解效果越好;加热速率增大不利于减少焦油生成;800℃下竹子在管式炉热解

添加CaO极大地促进了H2的生成

而CO2与CO含量降低;随着CaO添加比例的提高

产气热值、产气率、焦炭产量随之提高;CaO/M质量比为2时相对于未添加CaO的情况下

产气热值和产气率相应提高了33.0%和27.7%。

Abstract

Based on TG-FTIR combined technology

influence of different CaO/M(material) ratios and heating rates on tar generation during pyrolysis of bamboo and dry pulp was investigated.Results show that

the tar is mainly composed of ketone

aldehyde

acid

phenol and hydrocarbon;adding CaO can dramatically reduce the tar content

and the more addition proportion

the better catalytic cracking of tar;increasing the heating rate has bad effect on reducing the tar generation.The pyrolysis of bamboo in tube furnace at 800 ℃ indicate that

the CaO additive can extremely promote the formation of H2

but the CO2 and CO content decreases;the calorific value of produced gas

gas production rate and the char yield increase with the CaO proportion increasing;compared to condition that no CaO is added

the calorific value of produced gas and gas production rate is improved by 33.0% and 27.7% respectively

when the CaO/M ratio is 2.

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