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Journal articles on the topic 'Updraft gasifier'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Damijan, Cerinski, Isabel Ferreiro Ana, Baleta Jakov, et al. "Modelling the biomass updraft gasification process using the combination of a pyrolysis kinetic model and a thermodynamic equilibrium model." Energy Reports 7, November 2021 (2021): 8051–61. https://doi.org/10.1016/j.egyr.2021.05.079.

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Conversion of biomass into gas suitable for further exploitation is one of the valuable renewable energy pathways due to the wide distribution and availability of raw materials. Biomass gasification is a thermochemical process of partial combustion in a reduced oxygen environment that aims to produce hydrogen-enriched syngas. Updraft gasifier design, with its advantages of high efficiency, produces syngas with higher hydrogen yield compared to other gasifier designs. The main drawback of the updraft gasifier is high yield of tars in the outflow gas decreasing its lower heating value. Recently,

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2

Shanmuganandam, K., J. Anichai, and V. Jayakumar. "Performance evaluation of a 15 kWth biomass gasifier in downdraft and updraft operating modes: an experimental study." MATEC Web of Conferences 172 (2018): 06005. http://dx.doi.org/10.1051/matecconf/201817206005.

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Biomass gasifiers are equipment’s that can generate producer gas which is a renewable, alternate source of energy that can be employed for power generation and thermal applications. In this experimental study the gasifier is tested in updraft and downdraft modes and performance analysis was carried out. For both the studies, casuarina wood and ambient air were used as feed stock and gasification agent respectively. From the experimental analysis it was inferred that the performance of the biomass gasifier was higher in downdraft mode than updraft mode.

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3

Vidian, Fajri, Dion Daud Manik, Heni Fitriani, Taufik Arief, and Muksin Saleh. "Preliminary Investigation Updraft Gasifier with Combustion Zone Gas Outlet and Air Supply using Blowing Blower." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 128, no. 1 (2025): 214–23. https://doi.org/10.37934/arfmts.128.1.214223.

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Several research has investigated and operated different types of gasifiers, with updraft gasifiers being a widely used variant. However, this type of gasifier faces a significant challenge due to the high tar content in the produced gas. The issue arises because tar produced in the pyrolysis zone exits the reactor directly without decomposition, which typically occurs at high temperatures. Therefore, this research aimed to modify the updraft gasifier and conduct initial tests to evaluate the new characteristics. The main modification was carried out by moving the gas outlet from the top to th

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4

Rezki, Rachmad, Suwandi, and Amaliyah Rohsari Indah Utami. "Analysis of the Effect of Dimensional Variation and Number of Air Inlets on the Efficiency of Gasification Stoves using Computational Fluid Dynamic (CFD) Simulation." IOP Conference Series: Earth and Environmental Science 1157, no. 1 (2023): 012031. http://dx.doi.org/10.1088/1755-1315/1157/1/012031.

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Abstract Nowadays, the consumption of non-renewable energy is high. As a result, the availability of this energy is decreasing. Because of this, other energy alternatives are needed. One example of another option is the use of biomass. An example of using biomass is the gasification process. This process was carried out in a device called a gasification stove, namely a gasifier. A gasifier has been developed to produce an optimal combustion system. The constraints in this development are costs for manufacture and the potential for failure. Therefore, simulations using Ansys Computational Fluid

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5

Sookramoon, K. "80 kW Updraft Gasifier Performance Test using Biomass Residue Waste from Thailand Rural Areas." Engineering, Technology & Applied Science Research 10, no. 5 (2020): 6349–55. http://dx.doi.org/10.48084/etasr.3820.

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This research presents the combustion test of Kanchanaburi’s residue waste used in an 80kW updraft gasifier as biomass fuel. Three types of selected biomass were considered: corncob, bagasee, and straw. The 80kW updraft gasifier was designed, fabricated, and experimentally studied. In the gasifier, a variable speed centrifugal fan acted as a forced convection unit, which was installed near the combustion chamber and transferred air volume to the updraft gasifier stove. The experimental results show the temperature in each zone of the thermochemical processes. The gasifier was evaluated by comp

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6

Sookramoon, K. "80 kW Updraft Gasifier Performance Test using Biomass Residue Waste from Thailand Rural Areas." Engineering, Technology & Applied Science Research 10, no. 5 (2020): 6349–55. https://doi.org/10.48084/etasr.3820.

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This research presents the combustion test of Kanchanaburi’s residue waste used in an 80kW updraft gasifier as biomass fuel. Three types of selected biomass were considered: corncob, bagasee, and straw. The 80kW updraft gasifier was designed, fabricated, and experimentally studied. In the gasifier, a variable speed centrifugal fan acted as a forced convection unit, which was installed near the combustion chamber and transferred air volume to the updraft gasifier stove. The experimental results show the temperature in each zone (drying, pyrolysis, gasification, and combustion) of thermoch

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7

Zhu, Fugang, Laihong Shen, Pengcheng Xu, et al. "Numerical Simulation of an Improved Updraft Biomass Gasifier Based on Aspen Plus." International Journal of Environmental Research and Public Health 19, no. 24 (2022): 17089. http://dx.doi.org/10.3390/ijerph192417089.

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In this paper, numerical investigation and optimization is conducted upon an improved updraft gasifier which is expected to overcome the weakness of conventional updraft gasifier. The comprehensive Aspen Plus model of the improved updraft gasifier is based on the RYield and RCSTR reactor. The tar prediction model is constructed, and the yield of tar is determined by the volatile of biomass and gasification temperature. The Aspen Plus simulation results agree very well with experiment results for the product yields and gasification efficiency, which shows the accuracy of the Aspen Plus model. T

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8

Sookramoon, Krissadang. "Updraft Gasifier-Stirling Engine Biomass Incineration System Power Generation." Trends in Sciences 19, no. 3 (2022): 2170. http://dx.doi.org/10.48048/tis.2022.2170.

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Biomass, the world's largest renewable energy source, will continue to grow in the following energy markets. As a result, small biomass conversion systems are more competitive than large stand-alone converters because most of the biomass sources have low energy density and are widely distributed in space. The current study offers a small solid biomass power generation system to examine the possibility of direct connection of updates fixed bed gasifiers and a Stirling engine. The fixed bed updraft gasifier uses a combustion burner built into the gasifier to completely burn the synthetic gas pro

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9

Vidian, Fajri, Adi Surjosatyo, and Yulianto Sulistyo Nugroho. "Thermodynamic Model for Updraft Gasifier with External Recirculation of Pyrolysis Gas." Journal of Combustion 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/9243651.

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Most of the thermodynamic modeling of gasification for updraft gasifier uses one process of decomposition (decomposition of fuel). In the present study, a thermodynamic model which uses two processes of decomposition (decomposition of fuel and char) is used. The model is implemented in modification of updraft gasifier with external recirculation of pyrolysis gas to the combustion zone and the gas flowing out from the side stream (reduction zone) in the updraft gasifier. The goal of the model obtains the influences of amount of recirculation pyrolysis gas fraction to combustion zone on combusti

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10

A., M. El-jummah, M. Adam U., B. Kolo M., and N. Musa A. "Modification, Development and Design Experimental Investigation of an Updraft Biomass Gasifier Stove with Sawdust as Fuel." Continental J. Engineering Sciences 12, no. 2 (2017): 19–33. https://doi.org/10.5281/zenodo.827256.

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<em>This work presents the development of an updraft biomass gasifier stove which has been shown to apply the use of biomass fuels for the production of combustible gases. The updraft biomass gasifier stove designed was modified in order to ease the disposal of ashes,</em> <em>which is subsequently constructed using locally available material resources. </em><em>The gasifier applies the principles of updraft producer gas flows, whereby the stove utilizes rice husk as it useable fuel. </em><em>The modified gasifier stove was experimentally tested using rice husk as fuel, which was selected base

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A., M. El-jummah, M. Adam U., B. Kolo M., and N. Musa A. "Modification, Development and Design Experimental Investigation of an Updraft Biomass Gasifier Stove with Sawdust as Fuel." Continental J. Engineering Sciences 12, no. 2 (2017): 19–33. https://doi.org/10.5281/zenodo.832887.

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<em>This work presents the development of an updraft biomass gasifier stove which has been shown to apply the use of biomass fuels for the production of combustible gases. The updraft biomass gasifier stove designed was modified in order to ease the disposal of ashes,</em> <em>which is subsequently constructed using locally available material resources. </em><em>The gasifier applies the principles of updraft producer gas flows, whereby the stove utilizes rice husk as it useable fuel. </em><em>The modified gasifier stove was experimentally tested using rice husk as fuel, which was selected base

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12

Lin, Jeng-Chyan Muti. "Combination of a Biomass Fired Updraft Gasifier and a Stirling Engine for Power Production." Journal of Energy Resources Technology 129, no. 1 (2006): 66–70. http://dx.doi.org/10.1115/1.2424963.

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Biomass is the largest renewable energy source used in the world and its importance grows larger in the future energy market. Since most biomass sources are low in energy density and are widespread in space, a small scale biomass conversion system is therefore more competitive than a large stand-alone conversion plant. The current study proposes a small scale solid biomass powering system to explore the viability of direct coupling of an updraft fixed bed gasifier with a Stirling engine. The modified updraft fixed bed gasifier employs an embedded combustor inside the gasifier to fully combust

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13

Abineno, Jemseng Carles, and Johny Agustinus Koylal. "GASIFIKASI LIMBAH TEMPURUNG KEMIRI SEBAGAI ENERGI ALTERNATIF MENGGUNAKAN UPDRAFT GASIFIER PADA LAJU ALIRAN UDARA BERBEDA." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 7, no. 3 (2018): 175. http://dx.doi.org/10.23960/jtep-l.v7i3.175-180.

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Kemiri (Aleurites moluccana) merupakan salah satu tanaman yang polpulasinya cenderung dengan produktivitas sebesar 0,6 ton/Ha pada tahun 2014. Hasil pengolahan kemiri menghasilkan limbah berupa tempurung mencapai 193,36 kg/ton. Analisis nilai kalori yang terkandung dalam tempurung kemiri mencapai 4920,25 kal/gr. Hal ini menunjukkan bahwa energi yang terkandung pada tempurung kemiri sebesar 4.920 kkal/ton. Data tersebut menjelaskan bahwa energi yang dihasilkan dari tempurung kemiri mencapai 319,56 MJ, namun sampai saat ini limbah tempurung kemiri belum dimanfaatkan. Limbah pertanian yang umumny

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14

Borthakur, Gautam, and Dr Dimbendra Kr Mahanta. "Development of a Fuel-flexible Updraft Thermal Biomass Gasifier." International Journal of Scientific Research 2, no. 6 (2012): 276–78. http://dx.doi.org/10.15373/22778179/june2013/88.

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15

Surjosatyo, Adi, Fajri Vidian, and Yulianto Sulistyo Nugroho. "Experimental Gasification of Biomass in an Updraft Gasifier with External Recirculation of Pyrolysis Gases." Journal of Combustion 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/832989.

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The updraft gasifier is a simple type of reactor for the gasification of biomass that is easy to operate and has high conversion efficiency, although it produces high levels of tar. This study attempts to observe the performance of a modified updraft gasifier. A modified updraft gasifier that recirculates the pyrolysis gases from drying zone back to the combustion zone and gas outlet at reduction zone was used. In this study, the level of pyrolysis gases that returned to the combustion zone was varied, and as well as measurements of gas composition, lower heating value and tar content. The res

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16

Giouzelis, Kieran, Jacky Chou, and Jeremy Yeung. "Integrated Gasification Combined Cycle from coal." PAM Review Energy Science & Technology 3 (June 7, 2016): 126–36. http://dx.doi.org/10.5130/pamr.v3i0.1418.

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An integrated gasification combined cycle (IGCC) is a technology that uses a high pressure gasifier to turn coal, a carbon based fuels into pressurized gas, this is also known as synthesis gas or syngas. The IGCC system consist of 4 main structures; air compression and separation unit, gasifier, combustion and steam turbine and heat recovery generator.A meta-analysis was conducted to investigate possible relationships between the efficiency and types of gasifiers used in the integrated gasification combined cycle in terms of the key thermodynamic laws. Through this analysis correlations were e

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17

Fajri Vidian, Abetnego Situmeang, Heni Fitriani, Taufik Arief, and Muksin Saleh. "Experimental Biomass Gasification in Updraft Gasifier with Gas Outlet at Reduction Zone and Air Supply using Suction Blower." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 118, no. 1 (2024): 155–62. http://dx.doi.org/10.37934/arfmts.118.1.155162.

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Rice husk gasification is increasingly attractive, particularly with updraft gasifier type, because of its simple construction and ease of operation. However, updraft gasifier has a disadvantage of generating substantial amounts of tar. Tar will decompose into combustible gas when exposed to high temperatures. The reduction zone has a high temperature for tar decomposition to occur. Therefore, in this research, updraft gasifier was modified by positioning gas outlet at the reduction zone and inducing gasification air supply using a blower. Modifications are made by moving the gas outlet from t

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18

Ojolo, S. J., S. M. Abolarin, and O. Adegbenro. "Development of a Laboratory Scale Updraft Gasifier." International Journal of Manufacturing Systems 2, no. 2 (2012): 21–42. http://dx.doi.org/10.3923/ijmsaj.2012.21.42.

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19

Pedroso, Daniel Travieso, Einara Blanco Machín, Jose Luz Silveira, and Yasuyuki Nemoto. "Experimental study of bottom feed updraft gasifier." Renewable Energy 57 (September 2013): 311–16. http://dx.doi.org/10.1016/j.renene.2013.01.056.

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20

Khummongkol, D., and W. Arunlaksadamrong. "Performance of an updraft mangrove-wood gasifier." Energy 15, no. 9 (1990): 781–84. http://dx.doi.org/10.1016/0360-5442(90)90117-k.

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21

Oveisi, Ehsan, Shahab Sokhansanj, Anthony Lau, et al. "Characterization of Recycled Wood Chips, Syngas Yield, and Tar Formation in an Industrial Updraft Gasifier." Environments 5, no. 7 (2018): 84. http://dx.doi.org/10.3390/environments5070084.

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In this study, the moisture content, calorific value, and particle size of recycled wood chips were measured. The wood chips were used to fuel an 8.5 MWth updraft gasifier to produce syngas for combustion in a steam-producing boiler. In-situ syngas composition and tar concentrations were measured and analyzed against biomass fuel properties. No efforts were made to adjust the properties of biomass or the routine operating conditions for the gasifier. A sampling device developed by CanmetENERGY-Ottawa (Ottawa, ON, Canada) was used to obtain syngas and tar samples. Wood chip samples fed to the g

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22

Rabby, Md Insiat Islam, Md Wasi Uddin, Mahafuzur Rahman Sheikh, et al. "Thermal performance of gasifier cooking stoves: A systematic literature review." F1000Research 12 (January 10, 2023): 38. http://dx.doi.org/10.12688/f1000research.126890.1.

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A systematic literature review was conducted to summarize the overall thermal performance of different gasified cooking stoves from the available literature. For this purpose, available studies from the last 14 years (2008 to 2022) were searched using different search strings. After screening, a total of 28 articles were selected for this literature review. Scopus, Google Scholar, and Web of Science databases were used as search strings by applying “Gasifier cooking stove” AND “producer gas cooking stove” AND “thermal performance” keywords. This review uncovers different gasified cooking stove

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23

Rabby, Md Insiat Islam, Md Wasi Uddin, Mahafuzur Rahman Sheikh, et al. "Thermal performance of gasifier cooking stoves: A systematic literature review." F1000Research 12 (July 5, 2023): 38. http://dx.doi.org/10.12688/f1000research.126890.2.

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A systematic literature review was conducted to summarize the overall thermal performance of different gasified cooking stoves from the available literature. For this purpose, available studies from the last 14 years (2008 to 2022) were searched using different search strings. After screening, a total of 28 articles were selected for this literature review. Scopus, Google Scholar, and Web of Science databases were used as search strings by applying “Gasifier cooking stove” AND “producer gas cooking stove” AND “thermal performance” keywords. This review uncovers different gasified cooking stove

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24

Vyas, D. K., J. Sravankumar, and J. J. Chavda. "Performance evaluation of throat type updraft biomass gasifier using different biomass fuels." Agricultural Engineering Today 45, no. 03 (2021): 6–12. http://dx.doi.org/10.52151/aet2021453.1537.

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A biomass gasifier converts solid fuel such as wood waste, saw-dust briquettes and agro-residues into a gaseous fuel through a thermo-chemical process and the resultant gas can be used for thermal and power generation applications. The present research aims to evaluate the updraft biomass gasifier using different biomass for thermal application. The capacity of updraft gasifier was a 5-10 kg.h-1 and three types of biomass: maize cobs, sized wood and saw dust briquettes were used as fuel for producing producer gas by thermal application. The maximum carbon monoxide (CO), hydrogen (H2) and Metha

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25

Ismail, T. M., and M. Abd El-Salam. "Numerical and experimental studies on updraft gasifier HTAG." Renewable Energy 78 (June 2015): 484–97. http://dx.doi.org/10.1016/j.renene.2015.01.032.

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26

Seggiani, M., S. Vitolo, M. Puccini, and A. Bellini. "Cogasification of sewage sludge in an updraft gasifier." Fuel 93 (March 2012): 486–91. http://dx.doi.org/10.1016/j.fuel.2011.08.054.

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27

Krishnamoorthy, P. R., S. Seetharamu, and M. Siddhartha Bhatt. "Development of a novel updraft multifuel biomass gasifier." International Journal of Energy Research 15, no. 5 (1991): 377–90. http://dx.doi.org/10.1002/er.4440150505.

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28

Lubis, Mhd Faisal Ain. "Gasification GASIFICATION OF ORGANIC WASTE IN UPDRAFT GASIFIER." Frontiers in Renewable Energy 2, no. 1 (2023): 6–15. http://dx.doi.org/10.22146/free.v2i1.7006.

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The majority of Indonesia's waste is organic and could potentially be converted to energy. The most effective method for converting waste into energy is gasification with updraft gasifier. Different types of waste are contained in organic waste, which has a high moisture content ranging from 16.95% to 53.74% collected from TPST Piyungan, Yogyakarta. The effect of moisture content which are categorized as low, medium, and high on operation time, fuel conversion rate and heating rate is the main thing observed in this study. The ideal value for the organic waste moisture content that can be obta

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29

Cerone, Nadia, and Francesco Zimbardi. "Gasification of Agroresidues for Syngas Production." Energies 11, no. 5 (2018): 1280. https://doi.org/10.3390/en11051280.

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Biomass residues from agriculture and agroindustry are suitable sources for the production of energy because they don’t compete with the food chain and they are produced cheaply. Their transformation into heat and power or energy vectors depends on morphology and composition. Shells of almonds and hazelnuts can be easily gasified in fixed beds because of their low fines content and high gas permeation. In this work we investigated the overall process performances and syngas composition, especially the H<sub>2</sub>/CO ratio, by changing the air and steam supply. The tests were carried ou

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30

Aprianti, Nabila, Muhammad Faizal, Muhammad Said, and Subriyer Nasir. "Catalytic gasification of oil palm empty fruit bunch by using Indonesian bentonite as the catalyst." Journal of Applied Engineering Science 19, no. 2 (2021): 334–43. http://dx.doi.org/10.5937/jaes0-28781.

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Oil palm empty fruit bunch (OPEFB) is one of the enormous waste expected to become a renewable energy source. This study aimed to convert OPEFB into syngas through a gasification process using bentonite as a catalyst. The effects of temperature and product gas catalysts were investigated, and the efficiency of the gasification process was summarized. The process has used an updraft gasifier at 350-550°C and air as the gasification medium (ER 0.2). The results indicate that syngas can be produced by updraft gasifier. When the temperature increase, the H2 and CO rising. The highest H2 and CO con

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31

Devi, R. Preetha, and S. Kamaraj. "Design and Development of Updraft Gasifier Using Solid Biomass." International Journal of Current Microbiology and Applied Sciences 6, no. 4 (2017): 182–89. http://dx.doi.org/10.20546/ijcmas.2017.604.021.

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32

F. A. Payne and P. K. Chandra. "Predicting Ash Particulate Emission from Updraft Biomass Gasifier-Combustors." Transactions of the ASAE 29, no. 2 (1986): 0597–600. http://dx.doi.org/10.13031/2013.30196.

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33

Adewuyi, A. S., and K. H. Lasisi. "Design and fabrication of a laboratory scale updraft gasifier." Journal of Applied Sciences and Environmental Management 23, no. 11 (2020): 1915. http://dx.doi.org/10.4314/jasem.v23i11.1.

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34

Anam, Icha Syahrotul, Bambang Purwantana, and Radi Radi. "KARAKTERISTIK PROSES GASIFIKASI TEMPURUNG KELAPA MENGGUNAKAN UPDRAFT GASIFIER TIPE HISAP." JTT (Jurnal Teknologi Terapan) 8, no. 1 (2022): 34. http://dx.doi.org/10.31884/jtt.v8i1.380.

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Energy demand continues to increase in line with the increasing population which results in high energy consumption. Utilization of biomass waste such as coconut shells as an alternative energy source is very beneficial, because it can reduce dependence on fuel oil. One of the technologies that can be used to produce alternative energy is biomass gasification. The purpose of this study was to determine the character of the biomass gasification process using a suction type updraft gasifier with varying the size of the material and air flow rate. The biomass used was coconut shell with a moistur

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35

Ngusale, George K., Yonghao Luo, Rui-zhi Zhang, Ren-hao Yin, and Wan-li Zhao. "Gasification of wood pellets in a bench-scale updraft gasifier." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 38, no. 13 (2016): 1875–81. http://dx.doi.org/10.1080/15567036.2014.1002954.

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36

Wang, Jianwei, Ning Liu, Xing Wang, Yanbing Gao, Guangjie Wang, and Longzhi Li. "Application of updraft biomass gasifier for non-ferrous metal smelting." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 41, no. 8 (2018): 1012–21. http://dx.doi.org/10.1080/15567036.2018.1539134.

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37

F. A. Payne, J. L. Dunlap, and P. Caussanel. "Effect of Wood Chip Size on Updraft Gasifier-Cumbustor Operation." Transactions of the ASAE 28, no. 3 (1985): 903–6. http://dx.doi.org/10.13031/2013.32360.

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38

Ahmed, Reem, Chandra M. Sinnathambi, Usama Eldmerdash, and Duvvuri Subbarao. "Thermodynamics Analysis of Refinery Sludge Gasification in Adiabatic Updraft Gasifier." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/758137.

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Limited information is available about the thermodynamic evaluation for biomass gasification process using updraft gasifier. Therefore, to minimize errors, the gasification of dry refinery sludge (DRS) is carried out in adiabatic system at atmospheric pressure under ambient air conditions. The objectives of this paper are to investigate the physical and chemical energy and exergy of product gas at different equivalent ratios (ER). It will also be used to determine whether the cold gas, exergy, and energy efficiencies of gases may be maximized by using secondary air injected to gasification zon

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39

Saravanakumar, A., T. M. Haridasan, Thomas B. Reed, and R. Kasturi Bai. "Operation and modelling of an updraft long-stick wood gasifier." Energy for Sustainable Development 9, no. 4 (2005): 25–39. http://dx.doi.org/10.1016/s0973-0826(08)60497-4.

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40

Ismail, Tamer M., Mingliang Shi, Jianliang Xu, Xueli Chen, Fuchen Wang, and M. Abd El-Salam. "Assessment of coal gasification in a pressurized fixed bed gasifier using an ASPEN plus and Euler–Euler model." International Journal of Coal Science & Technology 7, no. 3 (2020): 516–35. http://dx.doi.org/10.1007/s40789-020-00361-w.

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Abstract With the help of Aspen Plus, a two-dimensional unsteady CFD model is developed to simulate the coal gasification process in a fixed bed gasifier. A developed and validated two dimensional CFD model for coal gasification has been used to predict and assess the viability of the syngas generation from coal gasification employing the updraft fixed bed gasifier. The process rate model and the sub-model of gas generation are determined. The particle size variation and char burning during gasification are also taken into account. In order to verify the model and increase the understanding of

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41

Rizal Alamsyah. "Production of Low Emission Pellet from Coco Peat Waste." CORD 29, no. 2 (2013): 12. http://dx.doi.org/10.37833/cord.v29i2.84.

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Study was conducted on coco peat as a low emission pellet form biomass fuel alternative to produce synthetic gas (syngas) through gasification process in use for other processes. Coco peat was first screened and formulated with other materials such as coco peat, starch, and waste cooking oil. These materials were mixed and pelletized using a pelletizer to form coco peat pellet. It was burned on an updraft gasifier to produce synthetic gas (syngas) and then streamed to a stove through a pipe. The syngas was then split and burned and the heat generated was used for boiling water and for drying a

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42

Hendriyana, Hendriyana. "Effect of Equivalence Ratio on the Rice Husk Gasification Performance Using Updraft Gasifier with Air Suction Mode." Jurnal Bahan Alam Terbarukan 9, no. 1 (2020): 30–35. http://dx.doi.org/10.15294/jbat.v9i1.23527.

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Rice husk is the waste from agriculture industries that has high potential to produce heat and electricity through the gasification process. Air suction mode is new development for updraft rice husk gasification, where blower are placed at output of gasifier. The objective of this research is to examine these new configuration at several equivalence ratio. The equivalence ratio was varied at 32% and 49% to study temperature profile on gasifier, producer gas volumetric flow rate, composition of producer gas, producer gas heating value, cold gas efficiency and carbon conversion. The time needed

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43

James R., Arthur M., Cassie Castorena, and Wenqiao Yuan. "Modeling product distribution of top-lit updraft gasification." BioResources 16, no. 4 (2021): 6629–42. http://dx.doi.org/10.15376/biores.16.4.6629-6642.

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A kinetic model for predicting biochar, producer gas, and tar formations of top-lit updraft (TLUD) gasification was developed. The three main zones within the TLUD gasifier, the pyrolysis, incomplete combustion, and reduction reaction zones, were incorporated into the model and sequentially solved. Validated with experimental data, the model was found capable of predicting biochar yield on pine woodchips at varying airflow rates, biomass moisture contents, and biomass compactness. However, when the particle size was varied, the model underestimated biochar yield. The model also accurately pred

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Wazed, Md Abdul, and Shamsuddin Ahmed. "Extraction of fuel from municipality solid wastes using an updraft gasifier." International Journal of Renewable Energy Technology 2, no. 2 (2011): 105. http://dx.doi.org/10.1504/ijret.2011.039288.

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Mandl, C., I. Obernberger, and F. Biedermann. "Modelling of an updraft fixed-bed gasifier operated with softwood pellets." Fuel 89, no. 12 (2010): 3795–806. http://dx.doi.org/10.1016/j.fuel.2010.07.014.

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Murgia, S., M. Vascellari, and G. Cau. "Comprehensive CFD model of an air-blown coal-fired updraft gasifier." Fuel 101 (November 2012): 129–38. http://dx.doi.org/10.1016/j.fuel.2011.08.065.

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Saravanakumar, A., Mathew J. Hagge, T. M. Haridasan, and Kenneth M. Bryden. "Numerical modelling of a fixed bed updraft long stick wood gasifier." Biomass and Bioenergy 35, no. 10 (2011): 4248–60. http://dx.doi.org/10.1016/j.biombioe.2011.07.012.

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Cerone, Nadia, Francesco Zimbardi, Luca Contuzzi, Jakov Baleta, Damijan Cerinski, and Raminta Skvorčinskienė. "Experimental investigation of syngas composition variation along updraft fixed bed gasifier." Energy Conversion and Management 221 (October 2020): 113116. http://dx.doi.org/10.1016/j.enconman.2020.113116.

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Jansen, J. la C., K. Jönsson, and M. Hagman. "Biological detoxification of tar-water." Water Science and Technology 46, no. 4-5 (2002): 59–65. http://dx.doi.org/10.2166/wst.2002.0551.

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Gasification is an important option for the swift implementation of biomass combined heat and power processes in the Danish energy supply system. Tar-water produced by the gas-cleaning system of gasifiers may contain substances toxic to nitrifying bacteria. As the gasification plants are small and often located in the catchment area of small wastewater treatment plants, discharge of the tar-water may be critical for wastewater treatment plants operated with nitrogen removal. Tar-water from a full-scale updraft gasifier has been thoroughly examined with respect to inhibition of nitrification an

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Dizon, Paul John, Arthur Fajardo, Omar Zubia, and Paolo Rommel Sanchez. "Testing and Evaluation of an Updraft Gasifier Using Saba Banana Peel as Feedstock." Philippine Journal of Agricultural and Biosystems Engineering 19, no. 1 (2023): 63–75. http://dx.doi.org/10.48196/019.01.2023.05.

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Saba bananas are widely produced in the Philippines, mainly for food production. The peel of saba was characterized, and some physical properties of it were measured. The heating value, fixed carbon, volatile matter, ash, and moisture content of the peel were also determined. In predicting the elemental composition, the equation of Parikh et al. (2007) was used, yielding an air-to-fuel ratio of 6.92 kgair/ kgbiomass for combustion. A laboratory-scale prototype updraft gasifier was fabricated and tested for efficiency by boiling water on it. The size of the peel affects the ignition time of the

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