The effect of the excess sludge pretreatment on biogas productivity
Katarzyna Bernat
Magdalena Zielińska
Dorota Kulikowska
Agnieszka Cydzik-Kwiatkowska
Irena Wojnowska-Baryła
Beata Waszczyłko-Miłkowska
Beata Piotrowicz
Abstract
To intensify biogas production during anaerobic stabilization of organic matter in sludge, pretreatment is applied. The effect of pretreatment of excess activated sludge (AS) and excess aerobic granular sludge (GS) on biogas productivity (BP) and composition was investigated. The sludge was pretreated with homogenization (6,500 rpm for 0.5 min (H0.5) and 1 min (H1.0)) or ultrasound disintegration at 20 kHz (50% amplitude for 2 min (D50%_2.0) and 4 min (D50%_4.0), and 100% amplitude for 4 min (D100%_4.0)). BP of AS of GS without pretreatment was 603.3±5 dm3/kg TS (793.4±7 dm3/kg VS); that was 200.6±4 dm3/kg TS (480.8±6 dm3/kg VS). With disintegration, the BP of AS increased by 7.8% (650.4±10 dm3/kg TS) (D50%_2.0) and 16.1% (700.6±11 dm3/kg TS) (D100%_4.0), and that of GS increased by 7.0% (214.0±5 dm3/kg TS) (D50%_2.0) and 16.0% (232.8±5 dm3/kg TS) (D100%_4.0). With homogenization, BP increased by 2.0-3.0% (AS) and 1.6-3.2% (GS).
Keywords:
biogas production, sludge pretreatment, activated sludge, aerobic granular sludge, ultrasound disintegration, homogenizationReferences
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Wang L., Mattsson M., Rundstedt J., Karlsson N. 2011. Different pretreatments to enhance biogas production. Master of Science Thesis, Halmstad University, Halmstad.
Bernat K., Cydzik-Kwiatkowska A., Wojnowska-Baryła I., Karczewska M. 2017. Physicochemical properties and biogas productivity of aerobic granular sludge and activated sludge. Biochemical Engineering Journal, 117: 43-51.
Beun J.J., Hendriks A., van Loosdrecht M.C.M., Morgenroth E., Wilderer P.A., Heijnen J.J. 1999. Aerobic granulation in a sequencing batch reactor. Water Research, 33(10): 2283-2290.
Bougrier C., Delgenès J.P., Carrère H. 2007. Impacts of thermal pretreatments on the semi-continuous anaerobic digestion of waste activated sludge. Biochemical Engineering Journal, 34: 20-27.
Carrere H., Dumas C., Battimelli A., Batsone D.J., Delgenes J.P., Steyer J.P. 2010. Pretreatment methods to improve sludge anaerobic degradability: a review. Journal of Hazardous Materials, 183: 1-15.
Cydzik-Kwiatkowska A. 2015. Bacterial structure of aerobic granules is determined by aeration mode and nitrogen load in the reactor cycle. Bioresource Technology, 181: 312-320.
Cydzik-Kwiatkowska A., Bernat K., Zielińska M., Bułkowska K., Wojnowska-Baryła I. 2017. Aerobic granular sludge for bisphenol A (BPA) removal from wastewater. International Biodeterioration and Biodegradation, 122: 1-11.
Cydzik-Kwiatkowska A., Rusanowska P., Zielińska M., Bernat K., Wojnowska-Baryła I. 2016. Microbial structure and nitrogen compound conversions in aerobic granular sludge reactors with non-aeration phases and acetate pulse-feeding. Environmental Science and Pollution Research, 23: 24857-24870.
Cydzik-Kwiatkowska A., Zielińska M. 2011. Technologia osadu granulowanego w oczyszczaniu ścieków. In: Trendy w biotechnologii środowiskowej. Ed. I. Wojnowska-Baryła. Wydawnictwo Uniwersytetu Warmińsko-Mazurskiego, Olsztyn, p. 63-85.
Cydzik-Kwiatkowska A., Zielińska M., Wojnowska-Baryła I. 2012. Impact of operational parameters on a bacterial community in a full-scale municipal wastewater treatment plant. Polish Journal of Microbiology, 61(1): 41-49.
Greenberg A.E., Clesceri L.S., Eaton A.D. 1992. Standard Methods for the Examination of Water and Wastewater. 18th edition. American Public Health Association, American Water Works Association, Water Environment Federation, Washington (D.C.).
Heerenklage J., Stegmann R. 2005. Analytical methods for the determination of the biological stability of waste samples. Tenth International Waste Management and Landfill Symposium, S. Margherita di Pula, Cagliari, Italy.
Liu Y., Tay J.H. 2004. State of the art of biogranulation technology for wastewater treatment. Biotechnology Advanced, 22: 533-563.
Montgomery L.F.R., Bochmann G. 2014. Pretreatment of feedstock for enhanced biogas production. IEA Bioenergy.
Rusanowska P., Cydzik-Kwiatkowska A., Świątczak P., Wojnowska-Baryła I. 2019. Changes in extracellular polymeric substances (EPS) content and composition in aerobic granule size-fractions during reactor cycles at different organic loads. Bioresource Technology, 272: 188-193.
Sławiński J.W. 2016. Tlenowy granulowany osad czynny: nowy standard dla energooszczędnego, niskonakładowego i zrównoważonego oczyszczania ścieków. Forum Eksploatatora, 82: 32-36.
Tchobanoglous G., Burto F.L., Stensel H.D. 2003. Wastewater Engineering: Treatment and Reuse. 4th ed. Metcalf and Eddy Inc., McGraw-Hill, New York.
Tomczak-Wandzel R., Ofverstrom S., Dauknys R., Mędrzycka K. 2011. Effect of disintegration pretreatment of sewage sludge for enhanced anaerobic digestion. In Environmental Engineering, The 8th International Conference, Vilnius Gediminas Technical University.
Val del Rio A., Morales N., Isanta E., Mosquera-Corral A., Campos J.L., Steyer J.P., Carrère H. 2011. Thermal pre-treatment of aerobic granular sludge: impact on anaerobic biodegradability. Water Research, 45(18): 6011-6020.
Val del Rio A., Palmeiro-Sanchez T., Figueroa M., Mosquera-Corral A., Campos J.L., Méndez R. 2013. Anaerobic digestion of aerobic granular biomass: effects of thermal pre-treatment and addition of primary sludge. Journal of Chemical Technology and Biotechnology, 89: 690-697.
Wang L., Mattsson M., Rundstedt J., Karlsson N. 2011. Different pretreatments to enhance biogas production. Master of Science Thesis, Halmstad University, Halmstad.
Bernat, K., Zielińska, M., Kulikowska, D., Cydzik-Kwiatkowska, A., Wojnowska-Baryła, I., Waszczyłko-Miłkowska, B., & Piotrowicz, B. (2019). The effect of the excess sludge pretreatment on biogas productivity. Technical Sciences, 22(1), 75–86. https://doi.org/10.31648/ts.4349
Katarzyna Bernat
Magdalena Zielińska
Dorota Kulikowska
Agnieszka Cydzik-Kwiatkowska
Irena Wojnowska-Baryła
Beata Waszczyłko-Miłkowska
Beata Piotrowicz
