Volume 7, Issue 6, December 2019, Page: 185-190
Production and Evaluation of Biogas from Mixed Fruits and Vegetable Wastes Collected from Arba Minch Market
Alemu Mekonnen Tura, Department of Chemistry, Arbaminch University, Arbaminch, Ethiopia
Tesfaye Seifu Lemma, Department of Chemistry, Arbaminch University, Arbaminch, Ethiopia
Received: Oct. 18, 2019;       Accepted: Dec. 6, 2019;       Published: Dec. 30, 2019
DOI: 10.11648/j.ajac.20190706.16      View  162      Downloads  72
Abstract
The world is in need of a green, efficient, carbon- neutral energy source to replace fossil fuels. The search for energy alternatives involving locally available and renewable resource is one of the main concerns of governments, scientists, and business people worldwide. Biogas, formed by anaerobic digestion of organic materials makes sustainable, reliable and renewable energy possible. This study involves the construction of a lab scale biogas production plant digester. The production of biogas was carried out by employing the mixed substrates of 13 different fruit and vegetable wastes collected from Arbaminch vegetable market. The materials used as feed were Apple, Mango, Cabbage, Avocado, onion, potato, Tomato, Banana, Lemon, Orange, Carrot, Papaya and cow manure. The total solid, volatile solids, moisture content and ash content of the wastes were examined. The anaerobic digestion of fruit and vegetable wastes mixed with different waste took 35-40 days to produce biogas (for complete digestion). Anaerobic digestion is very sensitive to change in pH and it is important to maintain pH of 6.7-7.4 for healthy system. The process resulted in the production of nutrient rich slurry high C/N ratio. The presented data on the moisture content, total solid, volatile solid and ash content of the wastes shows that tomato had maximum moisture content of 95.02% and lemon had the least with a moisture content of 73.4%. The maximum TS were recorded in Avocado (24.47%). The VS in all wastes used for the study varied from 20% (carrot) to 46.5% (Mango) wastes. The characteristics of these wastes were found to be: TS 14.13% of wet weight, VS 26.71%, TS/VS initial 0.461 and TS/VS final 0.394 which lead to TS/VS lost 0.394. The carbon and nitrogen composition of these mixed wastes was 53.85% and 2.205% respectively. The cumulative biogas production was 105.5 mL/1000g of food waste. This was the most effective as it showed maximum percentage removal of organic matter due to efficient working of the digester. Therefore, the application of biogas technology has economic, environmental, health and social benefits. It ultimately contributes towards sustainable development.
Keywords
Biogas, Fruit and Vegetable Waste, Anaerobic Digestion, Fermentation
To cite this article
Alemu Mekonnen Tura, Tesfaye Seifu Lemma, Production and Evaluation of Biogas from Mixed Fruits and Vegetable Wastes Collected from Arba Minch Market, American Journal of Applied Chemistry. Vol. 7, No. 6, 2019, pp. 185-190. doi: 10.11648/j.ajac.20190706.16
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Reference
[1]
Okkerse, C., & Bekkum, H. V. (1999). From fossil to green. Green Chem., 1, 107–114.
[2]
Popescu, M. C., & Mastorakis, N. (2010). Aspects regarding the use of renewable energy in EU Countries. WSEAS Transactions on Environment and Development, 6 (4), 265–275.
[3]
Chandel AK, Kapoor RK, Singh AK, Kuhad RC (2007) “Detoxification of Sugarcane Bagasse Hydrolysate Improves Ethanol Production by Candida Shehatae NCIM 3501”, Bio resource Technology, 98, 1947-1950.
[4]
Yen, H. W., & Brune, D. E. (2007). Anaerobic co-digestion of algal sludge and waste paper to produce methane. Bioresource Technology, 98, 130-134.
[5]
Petersson, A., & al, (2007). Potential bioethanol and biogas production using lignocellulosic biomass from winter rye, oilseed rape and faba bean. Biomass and Bioenergy, 31, 812–819.
[6]
Demarrias, A. (2010). Use of algae as biofuel sources. Energy Conversion and Management, 5 (1), 2738-2749.
[7]
Diaz, I., Perez, S. I., Ferrero, E. M., & Fez-Polanco, M. (2011). Effect of oxygen dosing point and mixing on the micro aerobic removal of hydrogen sulphide in sludge digesters, Bio resource Technology, 102 (4), 3768-3775.
[8]
Mann, G., Schlegel, M., Schumann, R., & Sakalauskas, A. (2009), Biogas-conditioning with microalgae, Agronomy Research, 7 (1), 33-38.
[9]
Abatzoglou, N., & Boivin, S. (2008). A review of biogas purification processes. Biofuels, Bioproducts & Biorefining, 3 (1), 42-71.
[10]
Kapdi, S. S., Vijay, V. K., Rajesh, S. K., & Prasad, R. (2005). Biogas scrubbing, compression and storage: Perspective and prospectus in Indian context. Renewable Energy, 30 (8), 1195-1202.
[11]
Edelmann, W., Joss, A., & Engeli, H. (1999). Two step anaerobic digestion of organic solid wastes. In J. Mata Alvarez, A. Tilehe, & J. Cecchi (Ed.), 11 International symposium on anaerobic digestion of solid wastes, (150-153). Barcelona, Spain.
[12]
Anunputtikul, W., & Rodtong, S. (2004). The Joint International Conference on "Sustainable Energy and Environmental (SEE)". (238-243). Hua Hin, Thailand.
[13]
Elango M., Pulikesi P., Baskaralingam V., Ramamurthy and Sivanesan S (2007). Production of biogas from municipal solid waste with domestic sewage, Journal of Hazardous Materials. 141 (1), 301.
[14]
APHA. Standard Methods for the Examination of Water andWastewater. 20th edition. Washington, D. C, USA. 1998.
[15]
Graunke, R. Food and Fuel; Biogas Potential at Broward Dinig Hall, Soil and Water Science, Department University of Florida-IFAS. 2007.
[16]
Adams, I, U.; Happiness I, U., (2010) Journal of American Science, 6, 173-178.
[17]
Fernandez, B.; Porrier, P.; R. Chamy. (2001), Water. Science Technology, 44, 103-108.
[18]
Chua, K. H.; Yip, C. H and Nie, W. L. S. (2008) “A Case Study on the Anaerobic Treatment of Food Waste and Gas Formation”.
[19]
Mohammed Gedefaw (2015), Biogas production from cow dung and food waste, Global Journal of Pollution and Hazardous Waste Management, 3 (1): 103–108.
[20]
Leta Deressa1, Solomon Libs, R. B. Chavan, Daniel Manaye, Anbessa Dabassa (2015), Production of Biogas from Fruit and Vegetable Wastes Mixed with Different Wastes, Environment and Ecology Research, 3 (3): 65-71.
Browse journals by subject