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MOHAMMED, Isah Yakub, ABAKR, Yousif Abdalla, MUSA, Mukhtar, YUSUP, Suzana, SINGH, Ajit and KABIR, Feroz (2016). Valorization of Bambara groundnut shell via intermediate pyrolysis: Products distribution and characterization. Journal of Cleaner Production, 139, 717-728.
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Kabir Valorization of Bambara Groundnut Shell.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (590kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 1 Process flow diagram.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (156kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 2 TGA feedstock.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (179kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 3 Pyrolysis product distribution.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (107kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 4 FTIR Bio-oil.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (122kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 5 GCMS.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (303kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 6 Group of chemical compounds in the bio-oil.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (111kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 7 FTIR Biomass and Biochar.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (111kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 8 SEM-EDX of Bio-char.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (141kB) | Preview |
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Kabir Valorization of Bambara groundnut shell Figure 9 XRD of Bio-char.pdf - Accepted Version Creative Commons Attribution Non-commercial No Derivatives. Download (117kB) | Preview |
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Abstract
This study provides first report on thermochemical conversion of residue from one of the underutilized crops, Bambara groundnut. Shells from two Bambara groundnut landraces KARO and EX-SOKOTO were used. Pyrolysis was conducted in a vertical fixed bed reactor at 500, 550, 600 and 650 o�C; 50 o�C/min heating rate and 5 L/min nitrogen flow rate. The report gives experimental results on characteristic of the feedstock, impact of temperature on the pyrolysis product distribution (bio-oil, bio-char and noncondensable gas). It evaluates the chemical and physicochemical properties of bio-oil, characteristics of bio-char and composition of the non-condensable gas using standard analytical techniques. KARO shell produced more bio-oil and was maximum at 600 o�C (37.21 wt%) compared to EX-SOKOTO with the highest bio-oil yield of 32.79 wt% under the same condition. Two-phase bio-oil (organic and aqueous) was collected and analyzed. The organic phase from both feedstocks was made up of benzene derivatives which can be used as a precursor for quality biofuel production while the aqueous from KARO consisted sugars and other valuable chemicals compared to the aqueous phase from EX-SOKOTO which comprised of acids, ketones, aldehydes and phenols. Characteristics of bio-char and composition of the noncondensable were also determined. The results show that bio-char is rich in carbon and some minerals which can be utilized either as a solid fuel or source of bio-fertilizer. The non-condensable gas was made up of methane, hydrogen, carbon monoxide and carbon dioxide, which can be recycled to the reactor as a carrier gas. This study demonstrated recovery of high quality fuel precursor and other valuable materials from Bambara groundnut shell.
| Item Type: | Article |
|---|---|
| Research Institute, Centre or Group - Does NOT include content added after October 2018: | Materials and Engineering Research Institute > Modelling Research Centre |
| Identification Number: | https://doi.org/10.1016/j.jclepro.2016.08.090 |
| Page Range: | 717-728 |
| Depositing User: | Feroz Kabir |
| Date Deposited: | 13 Sep 2016 09:19 |
| Last Modified: | 18 Mar 2021 07:32 |
| URI: | https://shura.shu.ac.uk/id/eprint/13402 |
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