Activity and stability performance of multifunctional catalyst (Ni/CaO and Ni/Ca12Al14O33CaO) for bio-hydrogen production from sorption enhanced biogas steam reforming

Phromprasit, Janewit; Powell, J. G. F.; Wongsakulphasatch, Suwimol; Kiatkittipong, Worapon; Bumroongsakulsawat, Palang; Assabumrungrat, Suttichai

doi:10.1016/j.ijhydene.2016.03.125

Cited by 46 publications

(25 citation statements)

References 72 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Combined, multifunctional particles were prepared via a wet mixing method. The method was adapted from similar methods described elsewhere in the literature [ 25 , 34 , 51 , 52 , 53 ]. Longcliffe limestone (<90 µm, 98 wt % CaCO 3 , supplied by Longcliffe Quarries Ltd., Matlock, UK) was calcined in a tube furnace in air at 900 °C for 1 h. The produced CaO was allowed to cool under a flow of N 2 and subsequently transferred to a container and sealed to prevent rehydration and recarbonation.…”

Section: Methodsmentioning

confidence: 99%

“…A wide range of methods for producing combined, multifunctional particles have been reported, from highly-engineered sol-gel [ 29 ] and co-precipitation techniques [ 30 , 31 ], to low-engineered techniques such as wet-impregnation [ 32 , 33 ] and wet/physical mixing [ 30 , 33 , 34 , 35 , 36 ]. The highly-engineered methods often require costly chemical precursor reagents and have multiple time-consuming manufacturing steps.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Hydrogen Production by Sorption Enhanced Steam Reforming (SESR) of Biomass in a Fluidised-Bed Reactor Using Combined Multifunctional Particles

et al. 2018

View full text Add to dashboard Cite

The performance of combined CO2-sorbent/catalyst particles for sorption enhanced steam reforming (SESR), prepared via a simple mechanical mixing protocol, was studied using a spout-fluidised bed reactor capable of continuous solid fuel (biomass) feeding. The influence of particle size (300–500 and 710–1000 µm), CaO loading (60–100 wt %), Ni-loading (10–40 wt %) and presence of dicalcium silicate support (22.6 wt %) on SESR process performance were investigated. The combined particles were characterised by their density, porosity and CO2 carrying capacity with the analysis by thermogravimetric analysis (TGA), Brunauer-Emmett-Teller (BET), Barrett-Joyner-Halenda (BJH) and mercury intrusion porosimetry (MIP). All experiments were conducted with continuous oak biomass feeding at a rate of 0.9 g/min ± 10%, and the reactor was operated at 660 ± 5 °C, 1 atm and 20 ± 2 vol % steam which corresponds to a steam-to-carbon ratio of 1.2:1. Unsupported combined particles containing 21.0 wt % Ni and 79 wt % CaO were the best performing sorbent/catalyst particle screened in this study, when accounting for the cost of Ni and the improvement in H2 produced by high Ni content particles. SESR tests with these combined particles produced 61 mmol H2/gbiomass (122 g H2/kgbiomass) at a purity of 61 vol %. Significant coke formation within the feeding tube and on the surfaces of the particles was observed which was attributed to the low steam to carbon ratio utilised.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hydrogen Production by Sorption Enhanced Steam Reforming (SESR) of Biomass in a Fluidised-Bed Reactor Using Combined Multifunctional Particles

et al. 2018

View full text Add to dashboard Cite

show abstract

“…Ca12Al14O33 (1 1 0) is selected because the (1 1 0) surface is recognized as the most close-packed plane in the crystals with the body-centered cubic structure [42]. The CaO (1 0 0) surface and Previous studies have shown that Ca12Al14O33 can stabilize the CO2 capture activities of sorbents, which is attributed to its high melting point and physical separation between CaO/CaCO3 particles [32,43]. Liu et al [44] Table 4.…”

Section: Simulation Calculations On the Interactions Between Support mentioning

confidence: 99%

CO2 capture performance of calcium-based synthetic sorbent with hollow core-shell structure under calcium looping conditions

Duan

et al. 2018

Applied Energy

View full text Add to dashboard Cite

A novel calcium-based synthetic CO2 sorbent with hollow core-shell structure was prepared by a carbon microsphere template route where carbide slag, alumina cement and glucose were employed as the low-cost calcium precursor, support and carbon source, respectively. The effects of the alumina cement addition, the pre-calcination temperature during the preparation process, the carbon template addition and calcination conditions on CO2 capture performances of the calcium-based synthetic sorbents were studied during calcium looping cycles. The synthetic sorbent containing 5 wt.% alumina cement possesses the highest CO2 capture capacity during calcium looping cycles, which is mainly composed of CaO and Ca12Al14O33. The CO2 capture capacities of the synthetic sorbent under mild and severe calcination conditions can retain 0.37 and 0.29 g/g after 20 cycles, which are 57% and 99% higher than those of carbide slag under the same conditions, respectively.

show abstract

“…Moreover, it can be applied as a sorbent in sorption enhanced reforming for H2 production [1]. The CO2 capture reaction for CaO adsorbent is occurred by the reversible reaction between CaO and CO2, named carbonation-calcination reaction [2] (s) CaCO (g) CO CaO(s) 3 Such a calcium looping process involves in multicycles carbonation-calcination; however, the makeup flow of fresh sorbent in calcium looping is still required due to the deactivation of it lead to higher operating cost. Consequently, several technologies have been explored for enhancing the CO2 capture activity of the sorbents, such as steam or water hydration [3][4], incorporation of metal ion using wet mixing method , sol-gel process [5], flame spray pyrolysis technology [6], coprecipitation [7,8] It is worth to note that, no matter what method was employed, the type of calcium precursor used plays a significant role in the carbonation-calcination performance.…”

Section: Introductionmentioning

confidence: 99%

Effect of calcium precursors on pelletized property and cyclic CO₂ capture performance

et al. 2018

Self Cite

View full text Add to dashboard Cite

CaO is widely used for capturing CO2 in large scale application however the work on the manufacture of CaO based pellets for the application of CO2 capture is relatively limited. In this research investigated the effect of calcium precursors (Ca(OH)2, Ca(NO3)2 and Ca(CH3COO)2) and their synthesis method (sol-mixing and wet-mixing) on pelletization. Adsorbent synthesized from Ca(CH3COO)2 as a precursor using sol-mixing pelletize to porous spherical provide the best mechanical strength and CO2 adsorption capacity 0.51 and 0.41 g CO2/ g CaO at first cycle and tenth cycle respectively. The outstanding cyclic performance of Ca(CH3COO)2 sol-mixing can be ascribed to the presence of inert support material i.e. Ca9Al6O18 and Ca12Al14O33 with suitable pore volume to prevent sintering of CaO and structure collapsing at high temperature.

show abstract

Activity and stability performance of multifunctional catalyst (Ni/CaO and Ni/Ca12Al14O33CaO) for bio-hydrogen production from sorption enhanced biogas steam reforming

Cited by 46 publications

References 72 publications

Hydrogen Production by Sorption Enhanced Steam Reforming (SESR) of Biomass in a Fluidised-Bed Reactor Using Combined Multifunctional Particles

Hydrogen Production by Sorption Enhanced Steam Reforming (SESR) of Biomass in a Fluidised-Bed Reactor Using Combined Multifunctional Particles

CO2 capture performance of calcium-based synthetic sorbent with hollow core-shell structure under calcium looping conditions

Effect of calcium precursors on pelletized property and cyclic CO₂ capture performance

Contact Info

Product

Resources

About

Activity and stability performance of multifunctional catalyst (Ni/CaO and Ni/Ca12Al14O33CaO) for bio-hydrogen production from sorption enhanced biogas steam reforming

Cited by 46 publications

References 72 publications

Hydrogen Production by Sorption Enhanced Steam Reforming (SESR) of Biomass in a Fluidised-Bed Reactor Using Combined Multifunctional Particles

Hydrogen Production by Sorption Enhanced Steam Reforming (SESR) of Biomass in a Fluidised-Bed Reactor Using Combined Multifunctional Particles

CO2 capture performance of calcium-based synthetic sorbent with hollow core-shell structure under calcium looping conditions

Effect of calcium precursors on pelletized property and cyclic CO2 capture performance

Contact Info

Product

Resources

About

Effect of calcium precursors on pelletized property and cyclic CO₂ capture performance