Syngas production from air-steam gasification of biomass with natural catalysts

Tian, Ye; Xiong, Zhang; Lin, Shunhong; Ji, Xuanyu; Bai, Jisong; Xu, Mengfei

doi:10.1016/j.scitotenv.2018.07.071

Cited by 67 publications

(33 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Efforts should be made to expand studies of gasification characteristics in a relatively low temperature range. ASPEN PLUS has been used to simulate the gasification process of different raw materials, such as coal, biomass, and solid waste, in different reactors (fixed bed/fluidized bed/entrained-flow bed) for the past decade [19][20][21][22][23][24]. There are two ways for the simulation of coal gasification in a fluidized bed to occur, i.e., the equilibrium method and the kinetic method.…”

Section: Introductionmentioning

confidence: 99%

Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus

et al. 2019

View full text Add to dashboard Cite

A co-gasification process was proposed both for treating alkaline organic wastewater and to promote coal gasification by the alkaline substances in situ. A catalytic gasification model was developed by introducing a catalytic correction factor to describe the catalytic effects quantitatively. An integrated process simulation was carried out using Aspen Plus equipped with FORTRAN subroutines. The model was verified using the root mean square error between the simulation results and experimental data from the literature. Syngas composition, cold gas efficiency, and carbon conversion efficiency were analyzed with respect to different operating conditions (reaction temperature, steam/coal ratio, and equivalence ratio). The optimal conditions are summarized based on a self-sufficient system by using sensitivity analysis: Gasification temperature of 700 °C, steam/coal ratio = 1.0, and equivalence ratio = 0.4.

show abstract

Section: Introductionmentioning

confidence: 99%

Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Moreover, software related to assessment methods will be designed and applied in the assessment process. (3) For the uncertainty of experts' evaluations, uncertainty theory will be studied in the future [35,36,51,52].…”

Section: Discussionmentioning

confidence: 99%

“…The identification of renewable, clean, environmentally-sustainable energy resources is the great challenge of our times [35]. Currently, renewable energy generation has been the main trend to facilitate the development of a low-carbon economy.…”

Section: Low-carbon Energy Planningmentioning

confidence: 99%

Low-Carbon Energy Planning: A Hybrid MCDM Method Combining DANP and VIKOR Approach

et al. 2018

View full text Add to dashboard Cite

With the development of urbanization, people’s living standards have improved. Simultaneously, the growing aggravation of resource shortages and environmental pollution have also gradually attracted widespread attention. Low-carbon energy planning can effectively reduce dependence on fossil resources and carbon emissions to the atmosphere, as well as improve the utilization of resources. Therefore, the formulation and evaluation of low-carbon energy planning have become the focus of attention for related colleges and institutions. This paper puts forward a hybrid multi-criteria decision making(MCDM) method combining decision making trial and evaluation laboratory(DEMATEL), analytical network process(ANP), and VIKOR to obtain the weight of each criterion and evaluate each alternative about low-carbon energy planning for building. A hierarchy structure of criteria involving cost, safety, reliability, and environment protection is built. Afterwards, a case of four alternatives is applied for testifying this methodology. Lastly, a comparison with prior methodologies serves as proof of the raised ranking. The presentation has proved that this methodology offers a more precise and effective foundation for decisions about low-carbon energy planning evaluation.

show abstract

“…Nonetheless, high tar yield can cause several operational issues, such as corrosion in equipment and pipeline blockage and high maintenance cost on the filtration system (Tian et al, 2018). Tars can be removed by several ways, such as collection and disposal of tars (non-catalytic), catalytic tar conversion, and cogasification of biomass and coal (Tian et al, 2018). Tar can be eliminated by a catalytic pathway to convert it into the lower molecular weight of hydrocarbon.…”

Section: Introductionmentioning

confidence: 99%

The Evaluation on Three Types of Malaysian Dolomites as a Primary Catalyst in Gasification Reaction of EFB and Tar Cracking Efficiency

et al. 2020

View full text Add to dashboard Cite

The conversion of biomass into hydrogen-rich syngas has been getting attention recently, as it has potential sustainability benefits of agricultural residues. In this study, gasification of empty fruit bunch (EFB) was performed using various calcined Malaysian dolomite catalysts, which were denoted as P1, P2, and P3. The physicochemical properties of the catalysts were examined using X-ray fluorescence (XRF), X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), and scanning electron microscopy (SEM). The effect of various catalyst to biomass (C/B) ratios (varied in the range of 0.05-0.3 in an increment of 0.05) of P1, P2, and P3 catalyst in EFB gasification was evaluated at a gasifier temperature of 850 • C. The gas produced was analyzed by gas chromatography (GC). The effect of various C/B ratios on tar conversion was also examined. The result showed that, with lower impurities in calcined dolomites and high content of active sites (CaO-MgO), improved characteristics of P1 and P2 in crystalline structure contributes to a significant reduction in tar cracking (∼78 and 75%, respectively) and higher H 2 yield (32.25 mg H 2 /g EFB).

show abstract

Syngas production from air-steam gasification of biomass with natural catalysts

Cited by 67 publications

References 23 publications

Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus

Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus

Low-Carbon Energy Planning: A Hybrid MCDM Method Combining DANP and VIKOR Approach

The Evaluation on Three Types of Malaysian Dolomites as a Primary Catalyst in Gasification Reaction of EFB and Tar Cracking Efficiency

Contact Info

Product

Resources

About