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Narayan Thorat B, Kumar Sonwani R. Current technologies and future perspectives for the treatment of complex petroleum refinery wastewater: A review. BIORESOURCE TECHNOLOGY 2022; 355:127263. [PMID: 35526717 DOI: 10.1016/j.biortech.2022.127263] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 04/28/2022] [Accepted: 05/01/2022] [Indexed: 06/14/2023]
Abstract
Petroleum refinery wastewater (PRW) is a complex mixture of hydrocarbons, sulphides, ammonia, oils, suspended and dissolved solids, and heavy metals. As these pollutants are toxic and recalcitrant, it is essential to address the above issue with efficient, economical, and eco-friendly technologies. In this review, initially, an overview of the characteristics of wastewater discharged from different petroleum refinery units is discussed. Further, various pre-treatment and post-treatment strategies for complex PRW are introduced. A segregated approach has been proposed to treat the crude desalting, sour, spent caustic, and oily wastewater of petroleum refineries. The combined systems (e.g., ozonation + moving bed biofilm reactor and photocatalysis + packed bed biofilm reactor) for the treatment of low biodegradability index wastewater (BOD5/COD < 0.2) were discussed to construct a perspective map and implement the proposed system efficiently. The economic, toxicity, and biodegradability aspects are also introduced, along with research gaps and future scope.
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Affiliation(s)
- Bhaskar Narayan Thorat
- Department of Chemical Engineering, Institute of Chemical Technology, Mumbai-Indian Oil Odisha Campus, Bhubaneswar, Odisha 751013, India
| | - Ravi Kumar Sonwani
- Department of Chemical Engineering, Institute of Chemical Technology, Mumbai-Indian Oil Odisha Campus, Bhubaneswar, Odisha 751013, India; Department of Chemical Engineering, Indian Institute of Petroleum and Energy (IIPE), Visakhapatnam, Andhra Pradesh 530003, India.
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2
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Immobilized enzymes and cell systems: an approach to the removal of phenol and the challenges to incorporate nanoparticle-based technology. World J Microbiol Biotechnol 2022; 38:42. [PMID: 35043353 DOI: 10.1007/s11274-022-03229-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/04/2022] [Indexed: 12/07/2022]
Abstract
The presence of phenol in wastewater poses a risk to ecosystems and human health. The traditional processes to remove phenol from wastewater, although effective, have several drawbacks. The best alternative is the application of ecological biotechnology tools since they involve biological systems (enzymes and microorganisms) with moderate economic and environmental impact. However, these systems have a high sensitivity to environmental factors and high substrate concentrations that reduce their effectiveness in phenol removal. This can be overcome by immobilization-based technology to increase the performance of enzymes and bacteria. A key component to ensure successful immobilization is the material (polymeric matrices) used as support for the biological system. In addition, by incorporating magnetic nanoparticles into conventional immobilized systems, a low-cost process is achieved but, most importantly, the magnetically immobilized system can be recovered, recycled, and reused. In this review, we study the existing alternatives for treating wastewater with phenol, from physical and chemical to biological techniques. The latter focus on the immobilization of enzymes and microorganisms. The characteristics of the support materials that ensure the viability of the immobilization are compared. In addition, the challenges and opportunities that arise from incorporating magnetic nanoparticles in immobilized systems are addressed.
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3
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Wang Q, Jiang L, Niu H, Liang J, Liu Z, Arslan M, Gamal El-Din M, Chen C. Influences of humic-rich natural materials on efficiencies of UASB reactor: A comparative study. BIORESOURCE TECHNOLOGY 2021; 341:125844. [PMID: 34474236 DOI: 10.1016/j.biortech.2021.125844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/18/2021] [Accepted: 08/21/2021] [Indexed: 06/13/2023]
Abstract
Two humic-rich natural materials namely peat soil and lignite were supplemented in up-flow anaerobic sludge blanket (UASB) bioreactors for the treatment of phenolic wastewater. Peat soil improved phenol degradation and resistance to shock load; ultimately, contributing to higher COD removal efficiency (83.3%), methane production (4532 mL d-1), and better reactor's stability. Accordingly, the amount of extracellular polymeric substances (EPS) and coenzyme F420 in sludge were increased to 1.3-fold and 2.5-fold, respectively, as compared to the control treatment. The addition of lignite however displayed poor phenol degradation and no effects on the secretion of EPS and F420. The peat soil significantly influenced the microbial community structures, whereas the effect of lignite was inconspicuous. In the presence of peat soil, the abundance of syntrophic fermentation bacteria and methanogens was significantly increased. This study illustrates the potential use of peat soil in UASB for the treatment of phenolic wastewaters.
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Affiliation(s)
- Qinghong Wang
- State Key Laboratory of Petroleum Pollution Control, Beijing Key Laboratory of Oil and Gas Pollution Control, China University of Petroleum-Beijing, Beijing 102249, PR China
| | - Liangyan Jiang
- State Key Laboratory of Petroleum Pollution Control, Beijing Key Laboratory of Oil and Gas Pollution Control, China University of Petroleum-Beijing, Beijing 102249, PR China
| | - Hao Niu
- Appraisal Center for Environment and Engineering, Ministry of Ecology and Environment of the People's Republic of China, Beijing 100012, PR China
| | - Jiahao Liang
- State Key Laboratory of Petroleum Pollution Control, Beijing Key Laboratory of Oil and Gas Pollution Control, China University of Petroleum-Beijing, Beijing 102249, PR China; Guangdong Provincial Key Laboratory of Petrochemical Pollution Process and Control, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, China
| | - Zhiyuan Liu
- State Key Laboratory of Petroleum Pollution Control, Beijing Key Laboratory of Oil and Gas Pollution Control, China University of Petroleum-Beijing, Beijing 102249, PR China
| | - Muhammad Arslan
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Mohamed Gamal El-Din
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Chunmao Chen
- State Key Laboratory of Petroleum Pollution Control, Beijing Key Laboratory of Oil and Gas Pollution Control, China University of Petroleum-Beijing, Beijing 102249, PR China.
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4
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Zhang J, Xie M, Zhao H, Zhang LR, Wei G, Zhao G. Preferential and efficient degradation of phenolic pollutants with cooperative hydrogen-bond interactions in photocatalytic process. CHEMOSPHERE 2021; 269:129404. [PMID: 33385675 DOI: 10.1016/j.chemosphere.2020.129404] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 12/15/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
Phenolic pollutants as highly toxic and hazardous organics are widely generated from industrial and domestic process. Phenolic pollutants with different hydroxyl position (catechol, resorcinol, hydroquinone, phenol) were preferentially and efficiently oxidized in photocatalytic process (PC) by designing boron-doped TiO2 (B-TiO2).The key role for enhancing the photocatalytic activity of B-TiO2 was the formation of abundant Ti3+ species. The formation of Ti3+-O weakened the competitive adsorption of H2O in aqueous solution and favored the formation of cooperative hydrogen bond on the surface of B-TiO2, leading to enhanced adsorption of phenolic pollutants. The degradation rate constant of B-TiO2 (kB-TiO2) was regardless of the corresponding oxidation potential of phenolic pollutants. The kB-TiO2 for catechol in photocatalytic process was as high as 3.46 min-1, which was 18.2, 1.6 times higher than that of biodegradation and ozonation methods, respectively. Of note, the preferential removal mechanism of phenolic pollutants was elucidated by in-situ attenuated total reflectance (ATR)-IR and density functional theory calculation (DFT). The results were helpful for developing new preferential oxidation technologies in HO∙-mediated process for selectively removing low concentration but highly toxic pollutants.
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Affiliation(s)
- Jinxing Zhang
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, Siping Road 1239, Shanghai, 200092, PR China
| | - Mingli Xie
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, Siping Road 1239, Shanghai, 200092, PR China
| | - Hongying Zhao
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, Siping Road 1239, Shanghai, 200092, PR China.
| | - Ling-Ran Zhang
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, Siping Road 1239, Shanghai, 200092, PR China
| | - Guangfeng Wei
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, Siping Road 1239, Shanghai, 200092, PR China
| | - Guohua Zhao
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, Siping Road 1239, Shanghai, 200092, PR China.
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5
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Wang J, Yang Z, Wang H, Wu S, Lu H, Wang X. Decomposition process of cefotaxime sodium from antibiotic wastewater by Up-flow Blanket Filter (UBF) reactor: Reactor performance, sludge characteristics and microbial community structure analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 758:143670. [PMID: 33257062 DOI: 10.1016/j.scitotenv.2020.143670] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/28/2020] [Accepted: 11/09/2020] [Indexed: 06/12/2023]
Abstract
In this study, a novel Up-flow Blanket Filter (UBF) reactor was applied to the degradation of antibiotic wastewater. The experiments showed that when the hydraulic retention time (HRT) was 24 h and the ratio of volatile fatty acids (VFA) to alkalinity (ALK) was 0.3, the best removal efficiency was achieved in the combined packing UBF reactor, and the COD removal efficiency reached 80.1%-84.6%, exhibiting a significant difference in reaction performance from the other two reactors (P < 0.05) and a good efficiency of cefotaxime sodium removal. Moreover, the microstructure and surface characteristics of the reactor fillers were studied through scanning electron microscope (SEM) analysis, which showed that three fillers all had biofilm adhesion, but the combined packing gave best performance. Energy dispersive spectrometer (EDS) tests indicated abundant element components in the combined packing. The particle size distribution of sludge was also considered in the experiment, and the result showed the particle size of sludge increased with the operation of the reactor. In addition, microbial community structures of sludge and biofilm with the combined packing were analyzed. High-throughput sequencing confirmed the existence of Pseudomonas, which had good adaptability to antibiotic wastewater and became the dominant bacteria. Decomposition process of cefotaxime sodium after hydrolysis and anaerobic treatment was analyzed through Fourier transform infrared spectroscopy (FTIR). The reactor, which is economical, exhibited favorable performance in degrading the pollutions in the antibiotic wastewater.
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Affiliation(s)
- Jia Wang
- College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, PR China
| | - Zhinian Yang
- College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, PR China
| | - Hao Wang
- College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, PR China.
| | - Shuangrong Wu
- College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, PR China
| | - Huan Lu
- College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, PR China
| | - Xingguo Wang
- College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, PR China
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Baek G, Saikaly PE, Logan BE. Addition of a carbon fiber brush improves anaerobic digestion compared to external voltage application. WATER RESEARCH 2021; 188:116575. [PMID: 33152589 DOI: 10.1016/j.watres.2020.116575] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/11/2020] [Accepted: 10/26/2020] [Indexed: 06/11/2023]
Abstract
Two methods were examined to improve methane production efficiency in anaerobic digestion (AD) based on adding a large amount of surface area using a single electrically conductive carbon brush, or by adding electrodes as done in microbial electrolysis cells (MECs) to form a hybrid AD-MEC. To examine the impact of surface area relative to electrodes, AD reactors were fitted with a single large brush without electrodes (FB), half a large brush with two electrodes with an applied voltage (0.8 V) and operated in closed circuit (HB-CC) or open circuit (HB-OC) mode, or only two electrodes with a closed circuit and no large brush (NB-CC) (equivalent to an MEC). The three configurations with a half or full brush all had improved performance as shown by 57-82% higher methane generation rate parameters in the Gompertz model compared to NB-CC. The retained biomass was much higher in the reactors with large brush, which likely contributed to the rapid consumption of volatile fatty acids (VFAs) and therefore improved AD performance. A different microbial community structure was formed in the large-size brushes compared to the electrodes. Methanothrix was predominant in the biofilm of large-size carbon brush, while Geobacter (anode) and Methanobacterium (cathode) were highly abundant in the electrode biofilms. These results demonstrate that adding a high surface area carbon fiber brush will be a more effective method of improving AD performance than using MEC electrodes with an applied voltage.
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Affiliation(s)
- Gahyun Baek
- Department of Civil and Environmental Engineering, The Pennsylvania State University, 231Q Sackett Building, University Park, PA 16802, USA
| | - Pascal E Saikaly
- Biological and Environmental Science and Engineering Division, Water Desalination and Reuse Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Bruce E Logan
- Department of Civil and Environmental Engineering, The Pennsylvania State University, 231Q Sackett Building, University Park, PA 16802, USA.
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Yang K, Xing J, Chang J, Gu F, Li Z, Huang Z, Cai L. Sodium Lignosulfonate Modified Polystyrene for the Removal of Phenol from Wastewater. Polymers (Basel) 2020; 12:polym12112496. [PMID: 33121197 PMCID: PMC7693492 DOI: 10.3390/polym12112496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 10/24/2020] [Accepted: 10/26/2020] [Indexed: 12/16/2022] Open
Abstract
An eco-friendly and novel water treatment material was synthesized using sodium lignosulfonate modified polystyrene (SLPS), which can be used to eliminate phenols in aqueous solution. SLPS was characterized by BET, FTIR, SEM, and EDS. The effect of the initial pH value, phenol content, adsorption time, and temperature on the absorbability of phenol in SLPS was investigated through adsorption experiments. It was found that SLPS could efficiently adsorb phenol in aqueous solution at a pH value of about 7. The test results revealed that the kinetic adsorption and isotherm adsorption could be successfully described using the pseudo second-order and Langmuir models, respectively. It was illustrated that the phenol adsorption on SLPS was dominated by chemisorption and belonged to monolayer adsorption. The max. phenol adsorption value of SLPS was 31.08 mg/g at 30 °C. Therefore, SLPS displayed a great potential for eliminating phenol from polluted water as a kind of novel and effective adsorbent.
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Affiliation(s)
- Keyan Yang
- College of Material Science and Technology, Beijing Forestry University, Beijing 100083, China; (K.Y.); (J.X.); (F.G.); (Z.L.)
| | - Jingchen Xing
- College of Material Science and Technology, Beijing Forestry University, Beijing 100083, China; (K.Y.); (J.X.); (F.G.); (Z.L.)
| | - Jianmin Chang
- College of Material Science and Technology, Beijing Forestry University, Beijing 100083, China; (K.Y.); (J.X.); (F.G.); (Z.L.)
- Correspondence: ; Tel.: +86-010-6233-7733
| | - Fei Gu
- College of Material Science and Technology, Beijing Forestry University, Beijing 100083, China; (K.Y.); (J.X.); (F.G.); (Z.L.)
| | - Zheng Li
- College of Material Science and Technology, Beijing Forestry University, Beijing 100083, China; (K.Y.); (J.X.); (F.G.); (Z.L.)
| | - Zhenhua Huang
- Department of Mechanical Engineering, University of North Texas, Denton, TX 76207, USA; (Z.H.); (L.C.)
| | - Liping Cai
- Department of Mechanical Engineering, University of North Texas, Denton, TX 76207, USA; (Z.H.); (L.C.)
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
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Jain M, Majumder A, Ghosal PS, Gupta AK. A review on treatment of petroleum refinery and petrochemical plant wastewater: A special emphasis on constructed wetlands. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 272:111057. [PMID: 32854876 DOI: 10.1016/j.jenvman.2020.111057] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/29/2020] [Accepted: 07/03/2020] [Indexed: 05/12/2023]
Abstract
Petroleum refinery and petrochemical plants (PRPP) are one of the major contributors to toxic and recalcitrant organic polluted water, which has become a significant concern in the field of environmental engineering. Several contaminants of PRPP wastewater are genotoxic, phytotoxic, and carcinogenic, thereby imposing detrimental effects on the environment. Many biological processes were able to achieve chemical oxygen demand (COD) removal ranging from 60% to 90%, and their retention time usually ranged from 10 to 100 days. These methods were not efficient in removing the petroleum hydrocarbons present in PRPP wastewater and produced a significant amount of oily sludge. Advanced oxidation processes achieved the same COD removal efficiency in a few hours and were able to break down recalcitrant organic compounds. However, the associated high cost is a significant drawback concerning PRPP wastewater treatment. In this context, constructed wetlands (CWs) could effectively remove the recalcitrant organic fraction of the wastewater because of the various inherent mechanisms involved, such as phytodegradation, rhizofiltration, microbial degradation, sorption, etc. In this review, we found that CWs were efficient in handling large quantities of high strength PRPP wastewater exhibiting average COD removal of around 80%. Horizontal subsurface flow CWs exhibited better performance than the free surface and floating CWs. These systems could also effectively remove heavy oil and recalcitrant organic compounds, with an average removal efficiency exceeding 80% and 90%, respectively. Furthermore, modifications by varying the aeration system, purposeful hybridization, and identifying the suitable substrate led to the enhanced performance of the systems.
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Affiliation(s)
- Mahak Jain
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
| | - Abhradeep Majumder
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
| | - Partha Sarathi Ghosal
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
| | - Ashok Kumar Gupta
- Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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Promoted biodegradation of para-ester wastewater by electrostimulated ZVI assisting novel UBF/ceramic membrane MBR and microbial community. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.08.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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10
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How Photocatalyst Dosage and Ultrasound Application Influence the Photocatalytic Degradation Rate of Phenol in Water: Elucidating the Mechanisms Behind. WATER 2020. [DOI: 10.3390/w12061672] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Photocatalysis is of high interest for the treatment of wastewater containing non-biodegradable organic components. In this work, the photocatalytic degradation of phenol by TiO2 photocatalysis was assessed, the influence of ultrasound (US) treatment was evaluated, and the mechanisms behind it were elucidated. It was shown that the TiO2 concentration (in suspension) has a large influence on the degradation kinetics. At high TiO2 concentrations, a reduced efficiency was observed due to the shielding of the UV light by TiO2 particles. US treatment effectively increased phenol degradation by improving the mass transfer while it was shown by the experimental data that particle deagglomeration did not play a significant role. The degradation mainly occurred through indirect phenol oxidation by hydroxyl (OH*) radicals, which were formed in situ at the surface of the photocatalyst. Finally, based on the partial least squares (PLS) methodology, a mathematical model was developed, representing phenol degradation as a function of the selected process conditions.
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Liang J, Wang Q, Yoza BA, Li QX, Chen C, Ming J, Yu J, Li J, Ke M. Rapid granulation using calcium sulfate and polymers for refractory wastewater treatment in up-flow anaerobic sludge blanket reactor. BIORESOURCE TECHNOLOGY 2020; 305:123084. [PMID: 32135348 DOI: 10.1016/j.biortech.2020.123084] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/18/2020] [Accepted: 02/22/2020] [Indexed: 06/10/2023]
Abstract
Long start-up period and slow granulation are major restraints in up-flow anaerobic sludge blanket (UASB) reactors for the treatment of refractory wastewater. In this study, Calcium sulfate (CaSO4), CaSO4/guar gum (GG), and CaSO4/cationic polyacrylamide (CPAM) were used to enhance granulation during the treatment of phenolic wastewaters in UASB reactors. Use of CaSO4, CaSO4/GG, and CaSO4/CPAM increased formation of granules (>0.25 mm) by 7%, 21% and 40%, respectively, after 90 days in comparison with the control. Use of CaSO4/GG and CaSO4/CPAM at an organic loading rate of 2.89 kg chemical oxygen demand (COD) m-3 d-1 increased the COD removal efficiency by 9% and 3%, respectively, in comparison with the control (75%). The CaSO4 enhanced the granulation rate as nuclei and the subsequent dissolution of CaSO4 improves the activity of methanogens. Polymers facilitated bacteria adhesion and improved the diversity of phenols-degrading bacteria. This study describes a new method for rapid granulation in UASB reactors when treating toxic and refractory wastewaters.
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Affiliation(s)
- Jiahao Liang
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Qinghong Wang
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Brandon A Yoza
- Hawaii Natural Energy Institute, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Chunmao Chen
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China.
| | - Jie Ming
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China; Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Jingshi Yu
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jin Li
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Ming Ke
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
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12
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Wang J, Wu B, Sierra JM, He C, Hu Z, Wang W. Influence of particle size distribution on anaerobic degradation of phenol and analysis of methanogenic microbial community. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:10391-10403. [PMID: 31939015 DOI: 10.1007/s11356-020-07665-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 01/07/2020] [Indexed: 06/10/2023]
Abstract
Sludge morphology considerably affects the mechanism underlying microbial anaerobic degradation of phenol. Here, we assessed the phenol degradation rate, specific methanogenic activity, electron transport activity, coenzyme F420 concentration, and microbial community structure of five phenol-degrading sludge of varying particle sizes (i.e., < 20, 20-50, 50-100, 100-200, and > 200 μm). The results indicated an increase in phenol degradation rate and microbial community structure that distinctly correlated with an increase in sludge particle size. Although the sludge with the smallest particle size (< 20 μm) showed the lowest phenol degradation rate (9.3 mg COD·gVSS-1 day-1), its methanogenic activity with propionic acid, butyric acid, and H2/CO2 as substrates was the best, and the concentration of coenzyme F420 was the highest. The small particle size sludge did not contain abundant syntrophic bacteria or hydrogenotrophic methanogens, but contained abundant acetoclastic methanogens. Moreover, the floc sizes of the different sludge varied in important phenol-degrading bacteria and archaea, which may dominate the synergistic mechanism. This study provides a new perspective on the role of sludge floc size on the anaerobic digestion of phenol.
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Affiliation(s)
- Jing Wang
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Benteng Wu
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Julian Muñoz Sierra
- Section Sanitary Engineering, Department of Water Management, Delft University of Technology, Stevinweg 1, 2628 CN, Delft, The Netherlands
- KWR Watercycle Research Institute, Groningenhaven 7, 3430 BB, Nieuwegein, The Netherlands
| | - Chunhua He
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Zhenhu Hu
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China.
| | - Wei Wang
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China.
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13
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Ming J, Wang Q, Yoza BA, Liang J, Guo H, Li J, Guo S, Chen C. Bioreactor performance using biochar and its effect on aerobic granulation. BIORESOURCE TECHNOLOGY 2020; 300:122620. [PMID: 31911314 DOI: 10.1016/j.biortech.2019.122620] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 06/10/2023]
Abstract
The effects that rice husk (biochar-rh), rice bran (biochar-rb) and walnut shell (biochar-ws) biochar had on aerobic granulation and reactor performance during the treatment of petroleum wastewater have been investigated. The different biochars reduced aerobic granulation time by 15 days compared with the control and also increased resistance to shock loading. The average COD and TN removal increased by 3.2%-5.1% and 10%-13%, respectively. Bacteria having functional metabolisms associated with the treatment of petroleum wastewaters were enriched in granular sludge that contained biochars. The reactor containing biochar-rb was the most stable and removed the most nutrients. The reactor containing biochar-rh had the largest initial granule size. This study provides insights into how the physicochemical properties of different biochars influence aerobic granular sludge systems.
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Affiliation(s)
- Jie Ming
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Qinghong Wang
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Brandon A Yoza
- Hawaii Natural Energy Institute, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Jiahao Liang
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Hongqiao Guo
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jin Li
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Shaohui Guo
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China
| | - Chunmao Chen
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum-Beijing, Beijing 102249, China.
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14
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Yuan Y, Bian A, Chen F, Xu X, Huang C, Chen C, Liu W, Cheng H, Chen T, Ding C, Li Z, Wang A. Continuous sulfur biotransformation in an anaerobic-anoxic sequential batch reactor involving sulfate reduction and denitrifying sulfide oxidization. CHEMOSPHERE 2019; 234:568-578. [PMID: 31229718 DOI: 10.1016/j.chemosphere.2019.06.109] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/14/2019] [Accepted: 06/14/2019] [Indexed: 06/09/2023]
Abstract
The pathways and intermediates of continuous sulfur biotransformation in an anaerobic and anoxic sequential batch reactor (AA-SBR) involving sulfate reduction (SR) and denitrifying sulfide oxidization (DSO) were investigated. In the anoxic phase, DSO occurred in two sequential steps, the oxidation of sulfide (S2-) to elemental sulfur (S0) and the oxidation of S0 to sulfate (SO42-). The oxidation rate of S2- to S0 was 3.31 times faster than that of S0 to SO42-, resulting in the accumulation of S0 as a desired intermediate under S2--S/NO3--N ratio (molar ratio) of 0.9:1. Although, approximately 60% of generated S0 suspended in the effluent, about 40% of S0 retained in the sludge, which could be further oxidized or reduced in anoxic or anaerobic phase. In anoxic, S0 was subsequently oxidized to SO42- under S2--S/NO3--N ratio of 0.5:1. In anaerobic, S0 coexist with SO42- (in fresh wastewater) were simultaneously reduced to S2-, and the reduction rate of SO42- to S2- was 3.17 times faster than that of S0 to S2-, resulting in a higher production of S0 in subsequent anoxic phase. Microbial community analysis indicated that SO42-/S0-reducing bacteria (e.g. Desulfomicrobium and Desulfuromonas) and S2-/S0-oxidizing bacteria (e.g. Paracoccus and Thermothrix) co-participated in continuous sulfur biotransformation in the AA-SBR. A conceptual model was established to describe these main processes and key intermediates. The research offers a new insight into the reaction processes optimization for S0 recovery and simultaneous removal of SO42- and NO3- in an AA-SBR.
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Affiliation(s)
- Ye Yuan
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, 224051, China; Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Aiqin Bian
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Fan Chen
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Xijun Xu
- State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Cong Huang
- State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Chuan Chen
- State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Wenzong Liu
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Haoyi Cheng
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Tianming Chen
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Cheng Ding
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Zhaoxia Li
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, 224051, China.
| | - Aijie Wang
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China.
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15
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Zhou H, Brown RC, Wen Z. Anaerobic digestion of aqueous phase from pyrolysis of biomass: Reducing toxicity and improving microbial tolerance. BIORESOURCE TECHNOLOGY 2019; 292:121976. [PMID: 31421591 DOI: 10.1016/j.biortech.2019.121976] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/06/2019] [Accepted: 08/07/2019] [Indexed: 06/10/2023]
Abstract
Among the products of pyrolysis is an aqueous phase (AP), which contains a significant fraction of carbon but is too dilute to make recovery of this organic content cost-effectively. This study was to explore the use of AP for anaerobic digestion. Different treatment methods including overliming, Fenton's reagent oxidation, bleaching and activated carbon adsorption were investigated to reduce toxicity of AP. Overliming treatment increased biogas production up to 32-fold compared to non-treated AP. Enhancing the tolerance of the bacterial and archaeal community to the AP toxicity was also attempted with a directed evolution method, resulting the microbes' tolerance to AP from 5% to 14%. Directed evolution resulted a major bacterial taxa as Cloacimonetes, Firmicutes, and Chloroflexi, while shifted the predominant archaea shifted from acetoclastic to hydrogenotrophic methanogens. Collectively, the results demonstrated that combining feedstock treatment and directed evolution of the microbial community is an effective way for AP anaerobic digestion.
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Affiliation(s)
- Haoqin Zhou
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, USA
| | - Robert C Brown
- Bioeconomy Institute, Iowa State University, Ames, IA 50011, USA
| | - Zhiyou Wen
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, USA.
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16
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Dong D, Wang R, Geng P, Li C, Zhao Z. Enhancing effects of activated carbon supported nano zero-valent iron on anaerobic digestion of phenol-containing organic wastewater. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 244:1-12. [PMID: 31103729 DOI: 10.1016/j.jenvman.2019.04.062] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 03/25/2019] [Accepted: 04/17/2019] [Indexed: 06/09/2023]
Abstract
Activated carbon supported nano zero-valent iron material (NZVI/AC) was prepared and added to an anaerobic digestion tank to reduce the toxicity inhibition of phenols and increase the methane yield of phenol-containing organic wastewater (POW). The anaerobic digestion (AD) characteristics, including conversion rate of organic substances, removal rate of phenol, and methane yield of POW with different concentrations of phenol were studied, and moreover, the enhancing effects of NZVI/AC on the AD of POW were focused. When the concentration of phenol was below 500 mg/L, the methane yield from AD of POW was 387.5 mL, which was 10.71% higher than that from control organic water without phenol, however, phenol concentrations greater than 1000 mg/L severely inhibited AD, and methane yield was only 50% of the control sample. Indicating that anaerobic microorganisms had a certain degree of tolerance to phenol, and low concentration of phenol could promote AD of organic water although the phenol with high concentration showed severe inhibition. The methane yield increased due to the probable conversion of phenol to methane by microbial actions. In the AD of POW with 500 mg/L phenol, the conversion rate of organic substances increased from 37.49% (control group without any accelerant) to 66.56% after adding NZVI/AC. The removal rate of phenol also increased from 39.03% to 81.32%. Cumulative methane yield increased by 145.5%-810 mL compared with the control group. The AC carrier in NZVI/AC exerted a good adsorption effect on phenols, reducing the concentration of phenols in the solution and thus minimizing their toxic effects on microbial activity. The NZVI loaded on AC particles strengthened the electron transfer between methanogens by its good electrical conductivity, and then promoted the AD performance of organic matter. Furthermore, NZVI exerted a micro-electrolytic effect on phenolic substances, which could increase the removal rate of phenol. Therefore, NZVI/AC could be used as an efficient accelerant for the AD of POW to enhance the AD process.
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Affiliation(s)
- Duo Dong
- Department of Power Engineering, North China Electric Power University, Baoding, Hebei Province, 071003, China
| | - Ruikun Wang
- Department of Power Engineering, North China Electric Power University, Baoding, Hebei Province, 071003, China.
| | - Pengfei Geng
- Department of Power Engineering, North China Electric Power University, Baoding, Hebei Province, 071003, China
| | - Chunxi Li
- Department of Power Engineering, North China Electric Power University, Baoding, Hebei Province, 071003, China
| | - Zhenghui Zhao
- Department of Power Engineering, North China Electric Power University, Baoding, Hebei Province, 071003, China
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17
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Tian X, Shen Z, Han Z, Zhou Y. The effect of extracellular polymeric substances on exogenous highly toxic compounds in biological wastewater treatment: An overview. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.biteb.2018.11.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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