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Article

Biological Treatment of Wastewater from Pyrolysis Plant: Effect of Organics Concentration, pH and Temperature

1
Department of Chemical Engineering Materials & Environment, Sapienza University of Rome, Via Eudossiana, 18, 00184 Rome, Italy
2
Faculty of Engineering, University Campus Biomedico of Rome, Via Alvaro del Portillo, 21, 00128 Rome, Italy
*
Author to whom correspondence should be addressed.
Water 2019, 11(2), 336; https://doi.org/10.3390/w11020336
Received: 19 December 2018 / Revised: 6 February 2019 / Accepted: 12 February 2019 / Published: 16 February 2019
(This article belongs to the Special Issue Technologies for Water Reuse: Current Status and Future Challenges)
The biological treatment of the aqueous residue produced during poplar wood pyrolysis was investigated. The biological treatment experiments were carried out at two different pH conditions (controlled at 7, uncontrolled) in batch mode at three different temperatures (15 °C, 25 °C and 30 °C) and initial total organic carbon of the water ranging from 800 mg/L to 2800 mg/L. Results show that a substantial removal of organic carbon could be achieved in aerobic conditions after biomass acclimation. After 72 h of treatment, total organic carbon (TOC) removal mean values of 49.47% and 53.03% were observed at 30 °C for solution at 1400 and 2000 mg/L initial TOC, respectively. In the case of 1400 mg/L, a further mineralization (61.80%) was achieved during 144 h of treatment, by using a two-step process. A kinetic study of the process was also made, showing that organics mineralization followed a first-order kinetic model. View Full-Text
Keywords: pyrolysis; liquid residue; biological treatment; operative conditions; kinetics pyrolysis; liquid residue; biological treatment; operative conditions; kinetics
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MDPI and ACS Style

Di Palma, L.; Bavasso, I.; Capocelli, M.; De Filippis, P.; Piemonte, V. Biological Treatment of Wastewater from Pyrolysis Plant: Effect of Organics Concentration, pH and Temperature. Water 2019, 11, 336. https://doi.org/10.3390/w11020336

AMA Style

Di Palma L, Bavasso I, Capocelli M, De Filippis P, Piemonte V. Biological Treatment of Wastewater from Pyrolysis Plant: Effect of Organics Concentration, pH and Temperature. Water. 2019; 11(2):336. https://doi.org/10.3390/w11020336

Chicago/Turabian Style

Di Palma, Luca, Irene Bavasso, Mauro Capocelli, Paolo De Filippis, and Vincenzo Piemonte. 2019. "Biological Treatment of Wastewater from Pyrolysis Plant: Effect of Organics Concentration, pH and Temperature" Water 11, no. 2: 336. https://doi.org/10.3390/w11020336

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