Abdullah, N. and Fulazzaky, M. A. and Yong, E. L. and Yuzir, A. and Sallis, P. (2016) Assessing the treatment of acetaminophen-contaminated brewery wastewater by an anaerobic packed-bed reactor. Journal of Environmental Management, 168 . pp. 273-279. ISSN 0301-4797
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Abstract
The treatment of high-strength organic brewery wastewater with added acetaminophen (AAP) by an anaerobic digester was investigated. An anaerobic packed-bed reactor (APBR) was operated as a continuous process with an organic loading rate of 1.5-g COD per litre per day and a hydraulic retention time of three days. The results of steady-state analysis showed that the greatest APBR performances for removing COD and TOC were as high as 98 and 93%, respectively, even though the anaerobic digestibility after adding the different AAP concentrations of 5, 10 and 15 mg L-1 into brewery wastewater can affect the efficiency of organic matter removal. The average CH4 production decreased from 81 to 72% is counterbalanced by the increased CO2 production from 11 to 20% before and after the injection of AAP, respectively. The empirical kinetic models for substrate utilisation and CH4 production were used to predict that, under unfavourable conditions, the performance of the APBR treatment process is able to remove COD with an efficiency of only 6.8%.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | biogas, carbon dioxide, methane, organic matter, paracetamol, industrial waste, paracetamol, water pollutant, assessment method, bioreactor, chemical oxygen demand, concentration (composition), digestibility, drug, methane, numerical model, operations technology, organic matter, performance assessment, substrate, total organic carbon, wastewater, anaerobic digestion, Article, biodegradation, biosorption, chemical oxygen demand, continuous process, kinetics, packed bed reactor, waste water, anaerobic bacterium, bioreactor, human, industrial waste, metabolism, procedures, theoretical model, waste management, water pollutant, Acetaminophen, Bacteria, Anaerobic, Bioreactors, Humans, Industrial Waste, Models, Theoretical, Waste Management, Water Pollutants, Chemical |
| Subjects: | Q Science > QH Natural history > QH301 Biology |
| Divisions: | Biosciences and Medical Engineering |
| ID Code: | 73822 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 18 Nov 2017 07:50 |
| Last Modified: | 18 Nov 2017 07:50 |
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