Comparison of the gasification performance in the downdraft fixed-bed gasifier fed by different feedstocks: Rice husk, sawdust, and their mixture

Susastriawan, Anak Agung Putu; Saptoadi, Harwin; Purnomo, Purnomo

doi:10.1016/j.seta.2019.04.008

Cited by 41 publications

(13 citation statements)

References 33 publications

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“…Prasara et al [64] mentioned that an ideal gasification process yields only non-condensable gas and ash residue. Susastriawan et al [65] investigated the compatibility of a downdraft gasifier using different feedstocks such as rice husk, sawdust, and their mixture, and found that the optimum equivalence ratios of the producer gas were 3.13, 2.69, and 0.35 MJ/Nm 3 , respectively. The potential of rural electricity generation using biomass gasification system was discussed by Abe et al [66].…”

Section: Gasificationmentioning

confidence: 99%

Potential of Rice Industry Biomass as a Renewable Energy Source

et al. 2019

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Fossil fuel depletion, along with its ever-increasing price and detrimental impact on the environment, has urged researchers to look for alternative renewable energy. Of all the options available, biomass presents a very reliable source due to its never-ending supply. As research on various biomasses has grown in recent years, waste from these biomasses has also increased, and it is now time to shift the focus to utilizing these wastes for energy. The current waste management system mainly focuses on open burning and soil incorporation as it is cost-effective; however, these affect the environment. There must be an alternative way, such as to use it for power generation. Rice straw and rice husk are examples of such potential biomass waste. Rice is the main food source for the world, mostly in Asian regions, as most people consume rice daily. This paper reviews factors that impact the implementation of rice-straw-based power plants. Ash content and moisture content are important properties that govern combustion, and these vary with location. Logistical improvements are required to reduce the transport cost of rice husk and rice straw, which is higher than the transportation cost of coal.

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Section: Gasificationmentioning

confidence: 99%

Potential of Rice Industry Biomass as a Renewable Energy Source

et al. 2019

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“…On the other hand, other thermal processes, such as the pyrolysis of this by-product, have been studied by other researchers [ 3 , 10 , 11 ]. Gasification processes as a method for thermal use of rice husks was also investigated [ 12 , 13 , 14 ]. However, there are no studies simultaneously dealing with energy and environmental aspects of this by-product, analyzing its behavior both in oxidizing and inert atmosphere.…”

Section: Introductionmentioning

confidence: 99%

Thermal Study and Emission Characteristics of Rice Husk Using TG-MS

et al. 2021

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Rice husks are a by-product that is generated in large quantities in Spain. However, they are not used efficiently. One of their possible applications is its thermal use in power generation equipment. For that purpose, it is important to know the characteristics of rice husks and their thermal behavior, as well as their possible pollutant emission to the atmosphere with respect to its thermal use as a biofuel. In this work, the thermal characteristics of rice husks and their thermal behavior were studied by using thermogravimetry and mass spectroscopy for two different atmospheres (oxidizing and inert). This way, the thermal profiles and the main characteristics were studied, as well as the emission of possible pollutants to the atmosphere, such as CO2, CH4, NO2, NH3, SO2, and H2S. Moreover, three different methods (FWO, KAS, and Starink) were used to carry out a thermal analysis, in order to obtain the main thermal parameters such as activation energy. The results of the analysis predicted that rice husks could be used as biofuel in industrial thermal equipment based on its acceptable calorific value, good thermal characteristics, and low gas emissions both in oxidizing and inert atmosphere (although they have a high ash content).

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“…The technology is considered to be one of the most effective methods for upgrading the biomass fuel [1]. Various biomass wastes have been used as a feedstock in gasification system, such as rice husk [2,3,4], wood chip [5,6,7], corn stalk [8], oil palm fronds [9], and many others. Combustion of a producer gas from gasification is cleaner than direct combustion of the biomass [10].…”

Section: Introductionmentioning

confidence: 99%

An Effect of Spray Configuration and Adsorbent Material on Performance of the Spray Scrubber in the Downdraft Gasifier-Engine System

et al. 2021

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The work aims to investigate an effect of spray configuration and adsorbent material on performance of wet scrubber in removing tar gravimetric in producer gas. The scrubber is installed at small scale downdraft gasifier-engine system and the tests are conducted in two sections. Firstly, the scrubber is tested using water adsorbent at various spray flow configurations to the producer gas flow (cross flow, counter flow, mixed flow). Secondly, the scrubber is tested using adsorbent of cooking oil and waste of engine lubricant at cross flow spray configuration. The performance of the scrubber investigated are temperature profile, log mean temperature difference, heat transfer rate, and tar removal effectiveness. For spray configuration test, the result shows that cross spray configuration (CrS) has the optimum performance. The CsS scrubber has the highest LMTD, heat transfer rate, and tar removal efficiency among others. The values are 29.8°C, 7.84 kW, and 0.43, accordingly. Meanwhile, the test using different adsorbent indicates adsorption property of the adsorbent plays an important rules in tar removal effectiveness of the scrubber. The removal effectiveness of the scrubber for using adsorbent of water, cooking oil, and engine lubricant are 0.43, 0.12, and 0.60, respectively.

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Comparison of the gasification performance in the downdraft fixed-bed gasifier fed by different feedstocks: Rice husk, sawdust, and their mixture

Cited by 41 publications

References 33 publications

Potential of Rice Industry Biomass as a Renewable Energy Source

Potential of Rice Industry Biomass as a Renewable Energy Source

Thermal Study and Emission Characteristics of Rice Husk Using TG-MS

An Effect of Spray Configuration and Adsorbent Material on Performance of the Spray Scrubber in the Downdraft Gasifier-Engine System

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