Experimental investigation of tar arresting techniques and their evaluation for product syngas cleaning from bubbling fluidized bed gasifier

Irfan Ul Hai, Farooq Sher, Gul Zarren, Hao Liu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Hazardous waste products along with the syngas produced from biomass gasification are one of the major problems of today world. Tar and other solid contaminants removal from syngas are necessary as it is widely used for the production of energy in thermal and power sectors. The raw syngas can be clean up by directly controlling the operating parameters and applying cleaning units. This study aimed to analyze bubbling fluidized bed gasifier and focuses on investigating the novel tar reducing techniques. Different cleaning units; char bed, woodchip bed and mop fan were used to arrest tar directly from producer gas. For the first time, a novel strategical technique of mop fan based on water spray was evaluated. Results showed that tar arrest with bio-char is unsuccessful due to the burning of bed while the average concentration of tar captured by woodchips and mop fan with or without water spray was 0.459 mg/L, 0.987 mg/L and 0.617 mg/L respectively. Furthermore, the concentration of naphthalene and phenanthrene reduced significantly by 96.46% and 99.27% with water spray based mop fan. Overall tar arresting percentage efficiency with small woodchip, large woodchip, mop fan without water and mop fan with water spray was 22.5% < 29.4% < 60.54% < 89.61% respectively. Hence, these investigations lead to the important findings that mop fan with water spray can be deployed directly to capture contaminants, to prevent the production of waste and to increase the efficiencies of clean syngas for the safer use in the power sector.

Original languageEnglish
Article number118239
Pages (from-to)(In-press)
JournalJournal of Cleaner Production
Volume240
Early online date31 Aug 2019
DOIs
Publication statusE-pub ahead of print - 31 Aug 2019

Fingerprint

Tar
tar
Fluidized beds
Fans
Cleaning
spray
Water
water
Impurities
pollutant
Gas producers
phenanthrene
naphthalene
hazardous waste
Naphthalene
evaluation
product
Evaluation
Gasification
Biomass

Keywords

  • Biomass
  • Cleaning strategies and syngas
  • Gasification
  • Renewable energy
  • Tar contaminants

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)
  • Strategy and Management
  • Industrial and Manufacturing Engineering

Cite this

Experimental investigation of tar arresting techniques and their evaluation for product syngas cleaning from bubbling fluidized bed gasifier. / Hai, Irfan Ul; Sher, Farooq; Zarren, Gul; Liu, Hao.

In: Journal of Cleaner Production, Vol. 240, 118239, 10.12.2019, p. (In-press).

Research output: Contribution to journalArticle

@article{79fc683cc0d045298192f802cd3822fd,
title = "Experimental investigation of tar arresting techniques and their evaluation for product syngas cleaning from bubbling fluidized bed gasifier",
abstract = "Hazardous waste products along with the syngas produced from biomass gasification are one of the major problems of today world. Tar and other solid contaminants removal from syngas are necessary as it is widely used for the production of energy in thermal and power sectors. The raw syngas can be clean up by directly controlling the operating parameters and applying cleaning units. This study aimed to analyze bubbling fluidized bed gasifier and focuses on investigating the novel tar reducing techniques. Different cleaning units; char bed, woodchip bed and mop fan were used to arrest tar directly from producer gas. For the first time, a novel strategical technique of mop fan based on water spray was evaluated. Results showed that tar arrest with bio-char is unsuccessful due to the burning of bed while the average concentration of tar captured by woodchips and mop fan with or without water spray was 0.459 mg/L, 0.987 mg/L and 0.617 mg/L respectively. Furthermore, the concentration of naphthalene and phenanthrene reduced significantly by 96.46{\%} and 99.27{\%} with water spray based mop fan. Overall tar arresting percentage efficiency with small woodchip, large woodchip, mop fan without water and mop fan with water spray was 22.5{\%} < 29.4{\%} < 60.54{\%} < 89.61{\%} respectively. Hence, these investigations lead to the important findings that mop fan with water spray can be deployed directly to capture contaminants, to prevent the production of waste and to increase the efficiencies of clean syngas for the safer use in the power sector.",
keywords = "Biomass, Cleaning strategies and syngas, Gasification, Renewable energy, Tar contaminants",
author = "Hai, {Irfan Ul} and Farooq Sher and Gul Zarren and Hao Liu",
year = "2019",
month = "8",
day = "31",
doi = "10.1016/j.jclepro.2019.118239",
language = "English",
volume = "240",
pages = "(In--press)",
journal = "Journal of Cleaner Production",
issn = "0959-6526",
publisher = "Elsevier",

}

TY - JOUR

T1 - Experimental investigation of tar arresting techniques and their evaluation for product syngas cleaning from bubbling fluidized bed gasifier

AU - Hai, Irfan Ul

AU - Sher, Farooq

AU - Zarren, Gul

AU - Liu, Hao

PY - 2019/8/31

Y1 - 2019/8/31

N2 - Hazardous waste products along with the syngas produced from biomass gasification are one of the major problems of today world. Tar and other solid contaminants removal from syngas are necessary as it is widely used for the production of energy in thermal and power sectors. The raw syngas can be clean up by directly controlling the operating parameters and applying cleaning units. This study aimed to analyze bubbling fluidized bed gasifier and focuses on investigating the novel tar reducing techniques. Different cleaning units; char bed, woodchip bed and mop fan were used to arrest tar directly from producer gas. For the first time, a novel strategical technique of mop fan based on water spray was evaluated. Results showed that tar arrest with bio-char is unsuccessful due to the burning of bed while the average concentration of tar captured by woodchips and mop fan with or without water spray was 0.459 mg/L, 0.987 mg/L and 0.617 mg/L respectively. Furthermore, the concentration of naphthalene and phenanthrene reduced significantly by 96.46% and 99.27% with water spray based mop fan. Overall tar arresting percentage efficiency with small woodchip, large woodchip, mop fan without water and mop fan with water spray was 22.5% < 29.4% < 60.54% < 89.61% respectively. Hence, these investigations lead to the important findings that mop fan with water spray can be deployed directly to capture contaminants, to prevent the production of waste and to increase the efficiencies of clean syngas for the safer use in the power sector.

AB - Hazardous waste products along with the syngas produced from biomass gasification are one of the major problems of today world. Tar and other solid contaminants removal from syngas are necessary as it is widely used for the production of energy in thermal and power sectors. The raw syngas can be clean up by directly controlling the operating parameters and applying cleaning units. This study aimed to analyze bubbling fluidized bed gasifier and focuses on investigating the novel tar reducing techniques. Different cleaning units; char bed, woodchip bed and mop fan were used to arrest tar directly from producer gas. For the first time, a novel strategical technique of mop fan based on water spray was evaluated. Results showed that tar arrest with bio-char is unsuccessful due to the burning of bed while the average concentration of tar captured by woodchips and mop fan with or without water spray was 0.459 mg/L, 0.987 mg/L and 0.617 mg/L respectively. Furthermore, the concentration of naphthalene and phenanthrene reduced significantly by 96.46% and 99.27% with water spray based mop fan. Overall tar arresting percentage efficiency with small woodchip, large woodchip, mop fan without water and mop fan with water spray was 22.5% < 29.4% < 60.54% < 89.61% respectively. Hence, these investigations lead to the important findings that mop fan with water spray can be deployed directly to capture contaminants, to prevent the production of waste and to increase the efficiencies of clean syngas for the safer use in the power sector.

KW - Biomass

KW - Cleaning strategies and syngas

KW - Gasification

KW - Renewable energy

KW - Tar contaminants

UR - http://www.scopus.com/inward/record.url?scp=85071669992&partnerID=8YFLogxK

U2 - 10.1016/j.jclepro.2019.118239

DO - 10.1016/j.jclepro.2019.118239

M3 - Article

VL - 240

SP - (In-press)

JO - Journal of Cleaner Production

JF - Journal of Cleaner Production

SN - 0959-6526

M1 - 118239

ER -