Gas cleaning, gas conditioning and tar abatement by means of a catalytic filter candle in a biomass fluidized-bed gasifier

Rapagnà, Sergio; Gallucci, Katia; Marcello, Manuela Di; Matt, Muriel; Nacken, Manfred; Heidenreich, Steffen; Foscolo, P.U.

doi:10.1016/j.biortech.2010.03.139

Cited by 90 publications

(45 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, this catalytic filter was tested in a larger scale. A catalytic filter candle of adequate dimensions was manufactured and inserted in the freeboard of a bubbling fluidized bed gasifier where crushed almond shells were used as feedstock [17]. Gas and hydrogen yields were notably increased with the use of this catalytic filter and tar content at the outlet of the catalytic filter was between 0.7 and 0.95 g/Nm 3 (N 2 free, d.b.).…”

Section: Contents Lists Available At Sciencedirectmentioning

confidence: 99%

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed

Diego

Garcı́a-Labiano

Gayán

et al. 2016

Fuel Processing Technology

View full text Add to dashboard Cite

Syngas obtained from biomass gasification needs to fulfil strong purity requirements before being used as raw material in power energy generation or chemicals manufacturing. The use of hot catalytic filter candles inside the freeboard of fluidized bed gasifiers allows obtaining clean syngas without dust and low tar content. The tar removal efficiency of four different catalytic filter designs was evaluated with real biomass tar produced in situ in a dual fluidized bed gasifier (DFBG). The tar conversion reached at the outlet of the fluidized bed gasifier was larger for the candles with catalytically active layer design. If a monolith is also incorporated, the tar conversion increases up to 95% which is one of the highest values obtained up to date. In this case, the tar content at the outlet of the catalytic filter was as low as 0.2 g/Nm 3 (N 2 free, d.b.).

show abstract

Section: Contents Lists Available At Sciencedirectmentioning

confidence: 99%

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed

Diego

Garcı́a-Labiano

Gayán

et al. 2016

Fuel Processing Technology

View full text Add to dashboard Cite

show abstract

“…Rapagnà et al [56] gasified crushed almond shells at 740 ºC using olivine and the tar protocol followed by HPLC/UV analysis. Total tar was 3.7 g/Nm 3 with toluene and naphthalene being the dominant tar species.…”

Section: G/mol) To Benz[a]anthracene (M ≈ 22829 G/mol)mentioning

confidence: 99%

Cynara cardunculus L. gasification in a bubbling fluidized bed: The effect of magnesite and olivine on product gas, tar and gasification performance

Serrano

Kwapińska

Horvat

et al. 2016

Fuel

View full text Add to dashboard Cite

Gasification of Cynara cardunculus L. was performed in a bubbling fluidized bed (BFB) using air as the gasifying agent and magnesite and olivine as different bed materials. Temperature was varied during the experiments (700-800 ºC) with fixed biomass feeding and air flow rates.The effect of using the magnesite and olivine on the gas and tar composition, carbon and biomass conversion, and cold gas efficiency was investigated. The product gas showed high hydrogen content (13-16 %v/v) for both magnesite and olivine in the temperature range studied.Higher heating value and gas yield were improved with increasing the temperature from 700 to 800 ºC. Biomass and carbon conversion were greater than 75%, giving values higher than 90 % for both 700 and 800 ºC in magnesite and for 800 ºC in olivine. Indane and cresols were the main tar compounds at low temperature while naphthalene was the dominant tar species at the high temperatures. Gasification performance was better with magnesite at 700 ºC while olivine showed better properties at 800 ºC.

show abstract

“…An interesting example is to integrate catalytic tar cracking in a barrier particulate filter. This was first proposed for combustion applications by Saracco and Montanaro [50] and further elaborated to gasification applications by research groups at Vrije Universiteit Brussel, Belgium [51][52][53][54][55], University of L'Aquila, Italy [56,57] and TU Delft, The Netherlands [58], all in cooperation with Pall Filtersystems GmbH Werk Schumacher, Crailsheim, Germany. Schematics of two different designs, (a) deposits of Ni/MgO catalyst onto the pore walls in a-alumina in a candle [52] and (b) a catalytically active fixed bed in a cylindrical catalytic filter element [53], are shown in Fig.…”

Section: Opportunities: Selected Examplesmentioning

confidence: 97%

Upgrading of Raw Gas from Biomass and Waste Gasification: Challenges and Opportunities

et al. 2011

View full text Add to dashboard Cite

The depletion of fossil fuel-based resources and concerns for increasing emissions of CO 2 call for new ways of producing environmentally-friendly substitutes for motor fuels and chemicals. Thermo-chemical conversion of biomass and waste using gasification is a strong candidate to meet these challenges. For efficient and cost-effective application of this technique, novel solutions for hot gas cleaning are needed. This review highlights some important areas for improvement of upgrading technologies for pressurised fluidised bed gasification systems using biomass as a fuel.

show abstract

Gas cleaning, gas conditioning and tar abatement by means of a catalytic filter candle in a biomass fluidized-bed gasifier

Cited by 90 publications

References 17 publications

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed

Cynara cardunculus L. gasification in a bubbling fluidized bed: The effect of magnesite and olivine on product gas, tar and gasification performance

Upgrading of Raw Gas from Biomass and Waste Gasification: Challenges and Opportunities

Contact Info

Product

Resources

About