Investigation on the yield of producer gas from tamarind shell (Tamarindus Indica) as feedstock in an Imbert type biomass gasifier

Chockalingam, Murugan Paradesi; Sekhar, S. Joseph

doi:10.1016/j.fuel.2021.120310

Cited by 22 publications

(5 citation statements)

References 49 publications

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“…Steam itself or steam with O 2 as a gasifying agent seem to produce higher amounts of H 2 compared to air or O 2 , which means higher H 2 /CO ratios [15,17]. High-lignin biomass gasification tends to produce more H 2 [17,23] compared to biomass with a low lignin content [12,16]. Nevertheless, using air or O 2 as a gasifying agent, the H 2 /CO ratio decreases significantly [15,21].…”

Section: Challenges and Opportunities For Syngas Fermentationmentioning

confidence: 99%

“…Sludge, energy crops, crop residues, wood, algal biomass and tamarind shells, among others, can be converted into gaseous products by gasification [7,11,12]. Compared to fossil sources, biomass contains less nitrogen, sulfur and heavy metals, and has higher H/C ratios, resulting in lower pollutant emissions, higher reactivity and lower gasification temperatures [10,13].…”

Section: Gasification Of Biomassmentioning

confidence: 99%

“…According to Murugan and Seklar [12], the performance of a gasifier depends on the moisture content of the feedstock and its equivalence ratio, which is the ratio of actual air supplied to the stoichiometric air required for complete combustion of the biomass. The authors studied the thermochemical gasification of tamarind shells (Tamarindus Indica) by numerical simulation and experimental observations, investigating the equivalence ratio and the feedstock moisture from 0.20 to 0.40 and from 10% to 18%, respectively.…”

Section: Gasification Parametersmentioning

confidence: 99%

“…According to Khushboo et al [7], energy efficiency increases and syngas quality improves by reducing moisture content. Murugan and Sekhar [12] studied the influence of feedstock moisture on the producer gas composition. When the moisture of the tamarind shell varied between 10 and 18%, the compositions of CO, H 2 and CO 2 were 21.3-23.4%, 13.6-13.80% and 13.4-14.5% respectively.…”

Section: Biomass Compositionmentioning

confidence: 99%

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Impacts of Syngas Composition on Anaerobic Fermentation

et al. 2021

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Energy consumption places growing demands on modern lifestyles, which have direct impacts on the world’s natural environment. To attain the levels of sustainability required to avoid further consequences of changes in the climate, alternatives for sustainable production not only of energy but also materials and chemicals must be pursued. In this respect, syngas fermentation has recently attracted much attention, particularly from industries responsible for high levels of greenhouse gas emissions. Syngas can be obtained by thermochemical conversion of biomass, animal waste, coal, municipal solid wastes and other carbonaceous materials, and its composition depends on biomass properties and gasification conditions. It is defined as a gaseous mixture of CO and H2 but, depending on those parameters, it can also contain CO2, CH4 and secondary components, such as tar, oxygen and nitrogenous compounds. Even so, raw syngas can be used by anaerobic bacteria to produce biofuels (ethanol, butanol, etc.) and biochemicals (acetic acid, butyric acid, etc.). This review updates recent work on the influence of biomass properties and gasification parameters on syngas composition and details the influence of these secondary components and CO/H2 molar ratio on microbial metabolism and product formation. Moreover, the main challenges, opportunities and current developments in syngas fermentation are highlighted in this review.

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Section: Challenges and Opportunities For Syngas Fermentationmentioning

confidence: 99%

Section: Gasification Of Biomassmentioning

confidence: 99%

Section: Gasification Parametersmentioning

confidence: 99%

Section: Biomass Compositionmentioning

confidence: 99%

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Impacts of Syngas Composition on Anaerobic Fermentation

et al. 2021

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“…Gasification conditions affect the performance of the gasification process, such as the gasifier type, temperature, gasification agent (air, O2, or steam), and the equivalent ratio of supplied air demand to stoichiometry (ER) [27,28,34]. The ER represents the real air-to-biomass ratio in terms of stoichiometry [35].…”

Section: Gasificationmentioning

confidence: 99%

Challenges in Syngas Fermentation for Bioethanol Production: Syngas Composition

Mukti

Kresnowati

Setiadi

2023

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Energy challenges in developing countries are more significant if they continue to use fossil materials and have an impact on air quality. Lignocellulosic biomass can be an alternative to new renewable sources to replace fossil materials. Indonesia produces various sources of lignocellulosic biomass, which can be used in multiple energy sources such as bioethanol. The hybrid pathway is one of the routes for producing bioethanol. The first stage of the hybrid process is the conversion of biomass into CO, CO2, and H2 (syngas) gas through the gasification process. Then the syngas is converted into bioethanol through fermentation using microorganisms as biocatalysts. The bioethanol production line is the Wood-Ljungdahlii pathway. Factors that affect syngas are the type of biomass (chemical, physical, and morphological properties) and the gasification process (type of gasifier, temperature, gasification agent, and ratio equilibrium (ER)). This paper reviews the challenges in implementing syngas fermentation. In particular, variations in the composition of syngas as a substrate for fermentation.

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Techno-economic feasibility study on the application of downdraft gasifier in small-scale red clay bricks industries

Chockalingam¹,

Palanisamy²,

Raveendran³

et al. 2021

Appl Nanosci

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Direct firing of biomass in conventional clay brick manufacturing process aggravates deforestation, climatic change, poor economic benefits to rural industries, and health issues to the public. To overcome such drawbacks, adaptation of ecofriendly energy sources, implementation of advanced technologies in energy conversion systems and systematic studies on economic benefits are mainly focused in recent times. The utilization of biomasses through various gasification technologies can improve the energy efficiency and economic advantages of brick production. To successfully introduce renewable energy systems and new technologies in rural areas, a number of research studies have experimented and also succeeded in predicting the technical feasibility and cost benefits. Likewise, this paper reports the techno-economic analysis of producer gas (PG) fired brick kilns using pertinent parameters of evaluation involved in the manufacturing of bricks. In this study, the common biomasses available in the region were effectively used to produce PG. Besides finding the technical aspects of bricks produced through this method, the parameters needed for economic study were found from a prototype experimental study. The economic parameters to use agriculture and forestry biomasses such as Coconut Shell (CS), Rice Husk (RH), Rubber Wood (RW) and Rubber seed kernel shell (RSKS) in conventional industries for a capacity of twenty to one hundred thousand bricks per batch were predicted. The studies revealed that the quality of bricks produced from the proposed method could meet ASTM standards. The savings in the running cost of the proposed system led to 4-8 years payback period. The maximum internal rate of return was found from the system which had RSKS as feedstock.

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Investigation on the yield of producer gas from tamarind shell (Tamarindus Indica) as feedstock in an Imbert type biomass gasifier

Cited by 22 publications

References 49 publications

Impacts of Syngas Composition on Anaerobic Fermentation

Impacts of Syngas Composition on Anaerobic Fermentation

Challenges in Syngas Fermentation for Bioethanol Production: Syngas Composition

Techno-economic feasibility study on the application of downdraft gasifier in small-scale red clay bricks industries

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