Characteristics and Adsorption of Volatile Organic Sulfur Compounds from Food Waste Processing Plant

Abstract:

The emission characteristics of volatile organic sulfur compounds (VOSCs) released from food waste processing plant were detected with cold enrichment-GC/MS. Four main sections of the plant including unloading room, crushing chamber, hydrothermal reactor and aerobic fermentation reactor were selected as sampling points. Results showed that the concentration of VOSCs of the four main sections were 0.085, 0.235, 1.175 and 0.245 mg/m³, respectively. Compared with other stages, the level of VOSCs of hydrothermal reactor was relatively high, and methyl mercaptan (MeSH) was the most abundant compound at this section. In order to remove the pollution of MeSH, modified activated carbon was used as the adsorbent. The influences of modified conditions, such as drying temperature, H₃PO₄ concentration and impregnated time on adsorption were investigated. Results showed that the amounts of acid groups and BET surface area of activated carbon had a significant impact on the adsorption capacity. When the drying temperature was 70°C, the H₃PO₄ concentration was 15% and the impregnated time was 3.0 h, the adsorption capacity of MeSH achieved the maximum value of 22.068 mg/g. This template explains and demonstrates how to prepare your camera-ready paper for Trans Tech Publications. The best is to read these instructions and follow the outline of this text.

• Periodical: Advanced Materials Research (Volumes 955-959)
• Pages: 2736-2742
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.955-959.2736
• Online since: June 2014
• Authors: Lian Hai Ren
• Keywords: Adsorption, Food Waste, Modified Activated Carbon, VOSCs

References

[1] Zhang L, Lee Y W, Jahng D. Anaerobic co-digestion of food waste and piggery wastewater: focusing on the role of trace elements. Bioresource Technology, Vol. 8(2011), pp.5048-5059.

DOI: 10.1016/j.biortech.2011.01.082

[2] Liu J G, Jan L, Josh W, et al. Food losses and waste in China and their implication for water and land. Environmental Science & Technology, Vol. 18(2013), pp.10137-10144.

DOI: 10.1021/es401426b

[3] Khalid A, Arshad M, Anjum M, et al. The anaerobic digestion of solid organic waste. Waste Management, Vol. 8(2011), pp.1737-1744.

DOI: 10.1016/j.wasman.2011.03.021

[4] Tambone F, Genevini P D, Imporzano G, et al. Assessing amendment properties of digestate by studying the organic matter composition and the degree of biological stability during the anaerobic digestion of the organic fraction of MSW. Bioresource Technology, Vol. 12(2009).

DOI: 10.1016/j.biortech.2009.02.012

[5] Lee Y W, Chung J W. Bioproduction of hydrogen from food waste by pilot-scale combined hydrogen/methane fermentation. Journal of Hydrogen Energy, Vol. 21(2010), pp.11746-11755.

DOI: 10.1016/j.ijhydene.2010.08.093

[6] Komilis D P, Ham R K, Park J K. Emission of volatile organic compounds during composting of municipal solid wastes. Water Research, Vol. 7(2004), pp.1707-1714.

DOI: 10.1016/j.watres.2003.12.039

[7] Lin L, Suqin L, Junxin L. Surface modification of coconut shell based activated carbon for the improvement of hydrophobic VOC removal. Journal of hazardous Materials, Vol. 2(2011), pp.683-690.

DOI: 10.1016/j.jhazmat.2011.05.069

[8] Villacañas F, Pereira M F R, J.J.M. Órfão J J L, et al. Adsorption of simple aromatic compounds on activated carbons. Journal of Colloid and Interface Science, Vol. 1(2006), pp.128-136.

DOI: 10.1016/j.jcis.2005.06.032

[9] Su W, Zhou Y, Wei L, et al. Effect of microstructure and surface modification on the hydrogen adsorption capacity of active carbon. New Carbon Materials, Vol. 2(2007), pp.135-140.

DOI: 10.1016/s1872-5805(07)60014-6

[10] Bashkova S, Bagreev A, Bandosz T J. Catalytic properties of activated carbon surface in the process of adsorption/oxidation of methyl mercaptan. Catalysis Today, Vol. 3(2005), pp.323-328.

DOI: 10.1016/j.cattod.2004.10.007

[11] Chingombe P, Saha B, Wakeman RJ. Surface modification and characterisation of a coal-based activated carbon. Carbon, Vol. 15(2005), pp.3132-3143.

DOI: 10.1016/j.carbon.2005.06.021

[12] Figueiredo J L, Pereira M F R, Freitas M M A, et al. Modification of the surface chemistry of activated carbons. Carbon, Vol. 9(1999), pp.1379-1389.

DOI: 10.1016/s0008-6223(98)00333-9

[13] Dalai A K, Tollefson E L, Yang A, et al. Oxidation of methyl mercaptan over an activated carbon in a fixed-bed reactor. Industrial & Engineering Chemistry Research, Vol. 11(1997), pp.4726-4733.

DOI: 10.1021/ie9701231

[14] Tamai H, Nagoya H, Shiono T. Adsorption of methyl mercaptan on surface modified activated carbon. Journal of Colloid and Interface Science, Vol. 2(2006), pp.814-817.

DOI: 10.1016/j.jcis.2006.04.056

[15] Cui H, Turn S Q, Reese M A. Removal of sulfur compounds from utility pipelined synthetic natural gas using modified activated carbons. Catalysis Today, Vol. 4(2009), pp.247-279.

DOI: 10.1016/j.cattod.2008.03.024

[16] Landaud S, Helinck S, Bonnarme P. Formation of volatile sulfur compounds and metabolism of methionine and other sulfur compounds in fermented food. Applied Microbiology and Biotechnology, Vol. 6(2008), pp.1191-1205.

DOI: 10.1007/s00253-007-1288-y

[17] Wu T, Wang X M, Li D J, et al. Emission of volatile organic sulfur compounds (VOSCs) during aerobic. Atmospheric Environment, Vol. 39(2010), pp.5065-5071.

DOI: 10.1016/j.atmosenv.2010.09.019

[18] Chen P J, Wu S N, Chong K H. Surface modification of a granular activated carbon by citric acid for enhancement of copper adsorption. Carbon, Vol. 10(2003), p.1979-(1986).

DOI: 10.1016/s0008-6223(03)00197-0

[19] Lee S W, Daud W M A W, Lee M G. Adsorption characteristics of methyl mercaptan, dimethyl disulfide, and trimethylamine on coconut-based activated carbons modified with acid and base. Journal of Industrial and Engineering Chemistry, Vol. 16 (2003).

DOI: 10.1016/j.jiec.2010.04.002

[20] Cui H, Turn S Q. Adsorption/desorption of dimethylsulfide on activated carbon modified with iron chloride. Applied Catalysis B: Environmental, Vol. 1(2009), pp.25-31.

DOI: 10.1016/j.apcatb.2008.09.025