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Godvin Sharmila V, Kumar G, Sivashanmugham P, Piechota G, Park JH, Adish Kumar S, Rajesh Banu J. Phase separated pretreatment strategies for enhanced waste activated sludge disintegration in anaerobic digestion: An outlook and recent trends. BIORESOURCE TECHNOLOGY 2022; 363:127985. [PMID: 36126843 DOI: 10.1016/j.biortech.2022.127985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 05/16/2023]
Abstract
A significant ecological problem was developed on disposing the enormous amounts of waste activated sludge (WAS) produced by traditional wastewater treatment. There have been various attempts recently originated to develop innovative methods for substantial sludge treatment. The most frequently used approach for treating sludge to produces methane and reduces sludge is anaerobic treatment. The hydrolysis phase in WAS limits the breakdown of complex macrobiotic compounds. The presence of extracellular polymeric substances (EPS) in biomass prevents the substrate from being hydrolyzed. Enhancing substrate hydrolysis involves removal of EPS preceded by phase separated pretreatment. Hence, a critical assessment of various phase separated pretreatment that has a remarkable effect on the anaerobic digestion process was documented in detail. Moreover, the economic viability and energy requirement of this treatment process was also discussed. Perspectives and recommendations for methane production were also provided to attain effectual sludge management.
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Affiliation(s)
- V Godvin Sharmila
- Department of Civil Engineering, Rohini College of Engineering and Technology, Kanyakumari, Tamil Nadu, India
| | - Gopalakrishnan Kumar
- School of Civil and Environmental Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - P Sivashanmugham
- Department of Chemical Engineering, National Institute of Technology, Tiruchirapalli, Tamil Nadu, India
| | - Grzegorz Piechota
- GPCHEM, Laboratory of Biogas Research and Analysis, 40a/3 Legionów Str., 87-100 Toruń, Poland
| | - Jeong-Hoon Park
- Sustainable Technology and Wellness R&D Group, Korea Institute of Industrial Technology (KITECH), 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, Republic of Korea
| | - S Adish Kumar
- Department of Civil Engineering, Anna University Regional Campus, Tirunelveli, Tamilnadu, India
| | - J Rajesh Banu
- Department of Biotechnology, Central University of Tamil Nadu, Neelakudi, Thiruvarur, Tamilnadu 610005, India.
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Dinesh Kumar M, Godvin Sharmila V, Kumar G, Park JH, Al-Qaradawi SY, Rajesh Banu J. Surfactant induced microwave disintegration for enhanced biohydrogen production from macroalgae biomass: Thermodynamics and energetics. BIORESOURCE TECHNOLOGY 2022; 350:126904. [PMID: 35227914 DOI: 10.1016/j.biortech.2022.126904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
This research work aimed about the enhanced bio-hydrogen production from marine macro algal biomass (Ulva reticulate) through surfactant induced microwave disintegration (SIMD). Microwave disintegration (MD) was performed by varying the power from 90 to 630 W and time from 0 to 40 min. The maximum chemical oxygen demand (COD) solubilisation of 27.9% was achieved for MD at the optimal power (40%). A surfactant, ammonium dodecyl sulphate (ADS) is introduced in optimal power of MD which enhanced the solubilisation to 34.2% at 0.0035 g ADS/g TS dosage. The combined SIMD pretreatment significantly reduce the treatment time and increases the COD solubilisation when compared to MD. Maximum hydrogen yield of 54.9 mL H2 /g COD was observed for SIMD than other samples. In energy analysis, it was identified that SIMD was energy efficient process compared to others since SIMD achieved energy ratio of 1.04 which is higher than MD (0.38).
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Affiliation(s)
- M Dinesh Kumar
- Department of Civil Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu, India
| | - V Godvin Sharmila
- Department of Civil Engineering, Rohini College of Engineering and Technology, Kanyakumari, Tamil Nadu, India
| | - Gopalakrishnan Kumar
- School of Civil and Environmental Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jeong-Hoon Park
- Sustainable Technology and Wellness R&D Group, Korea Institute of Industrial Technology (KITECH), 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, Republic of Korea
| | - Siham Yousuf Al-Qaradawi
- Dept. of Chemistry & Earth Sciences, College of Arts & Sciences, Qatar University, P. O. Box 2713, Doha, Qatar
| | - J Rajesh Banu
- Department of Life Sciences, Central University of Tamil Nadu, Neelakudy, Tiruvarur 610005, India.
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Uthirakrishnan U, Godvin Sharmila V, Merrylin J, Adish Kumar S, Dharmadhas JS, Varjani S, Rajesh Banu J. Current advances and future outlook on pretreatment techniques to enhance biosolids disintegration and anaerobic digestion: A critical review. CHEMOSPHERE 2022; 288:132553. [PMID: 34653493 DOI: 10.1016/j.chemosphere.2021.132553] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/27/2021] [Accepted: 10/10/2021] [Indexed: 06/13/2023]
Abstract
Waste activated sludge (biosolids) treatment is intensely a major problem around the globe. Anaerobic treatment is indeed a fundamental and most popular approach to convert organic wastes into bioenergy, which could be used as a carbon-neutral renewable and clean energy thus eradicating pathogens and eliminating odor. Due to the sheer intricate biosolid matrix (such as exopolymeric substances) and rigid cell structure, hydrolysis becomes a rate-limiting phase. Numerous different pretreatment strategies were proposed to hasten this rate-limiting hydrolysis and enhance the productivity of anaerobic digestion. This study discusses an overview of previous scientific advances in pretreatment options for enhancing biogas production. In addition, the limitations addressed along with the effects of inhibitors in biosolids towards biogas production and strategies to overcome discussed. This review elaborated the cost analysis of various pretreatment methods towards the scale-up process. This review abridges the existing research on augmenting AD efficacy by recognizing the associated knowledge gaps and suggesting future research.
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Affiliation(s)
- Ushani Uthirakrishnan
- Department of Biotechnology, Karpaga Vinayaga College of Engineering and Technology, Chinnakolambakkam, Chengalpattu, 603308, Tamil Nadu, India
| | - V Godvin Sharmila
- Department of Civil Engineering, Rohini College of Engineering and Technology, Kanyakumari, Tamil Nadu, India
| | - J Merrylin
- Department of Food Science and Nutrition, Sarah Tucker College, Tirunelveli, 627002, Tamil Nadu, India
| | - S Adish Kumar
- Department of Civil Engineering, University V.O.C College of Engineering, Anna University Thoothukudi Campus, Tamil Nadu, India
| | - Jeba Sweetly Dharmadhas
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, 641-021, Tamil Nadu, India
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, Gujarat, 382010, India
| | - J Rajesh Banu
- Department of Life Sciences, Central University of Tamil Nadu, Neelakudi, Thiruvarur, Tamil Nadu, 610005, India.
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Rajesh Banu J, Godvin Sharmila V, Yukesh Kannah R, Kanimozhi R, Elfasakhany A, Gunasekaran M, Adish Kumar S, Kumar G. Impact of novel deflocculant ZnO/Chitosan nanocomposite film in disperser pretreatment enhancing energy efficient anaerobic digestion: Parameter assessment and cost exploration. CHEMOSPHERE 2022; 286:131835. [PMID: 34426273 DOI: 10.1016/j.chemosphere.2021.131835] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/28/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
This paper proposed to interpret the novel method of extracellular polymeric substance (EPS) removal in advance to sludge disintegration to enrich bioenergy generation. The sludge has been subjected to deflocculation using Zinc oxide/Chitosan nanocomposite film (ZCNF) and achieved 98.97% of solubilization which enhance the solubilization of organics. The obtained result revealed that higher solubilization efficiency of 23.3% was attained at an optimal specific energy of 2186 kJ/kg TS and disintegration duration of 30 min. The deflocculated sludge showed 8.2% higher solubilization than the flocculated sludge emancipates organics in the form of 1.64 g/L of SCOD thereby enhancing the methane generation. The deflocculated sludge produces methane of 230 mL/g COD attained overall solid reduction of 55.5% however, flocculated and control sludge produces only 182.25 mL/g COD and 142.8 mL/g COD of methane. Based on the energy, mass and cost analysis, the deflocculated sludge saved 94.1% of energy than the control and obtained the net cost of 5.59 $/t which is comparatively higher than the flocculated and control sludge.
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Affiliation(s)
- J Rajesh Banu
- Department of Life Science, Central University of Tamil Nadu, Neelakudi, Thiruvarur, Tamil Nadu, 610005, India
| | - V Godvin Sharmila
- Department of Civil Engineering, Rohini College of Engineering and Technology, Kanyakumari, Tamil Nadu, India
| | - R Yukesh Kannah
- Department of Civil Engineering, Anna University Regional Campus, Tirunelveli, Tamil Nadu, India
| | - R Kanimozhi
- Department of Civil Engineering, Anna University Regional Campus, Tirunelveli, Tamil Nadu, India
| | - Ashraf Elfasakhany
- Department of Mechanical Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - M Gunasekaran
- Department of Physics, Anna University Regional Campus, Tirunelveli, Tamil Nadu, India
| | - S Adish Kumar
- Department of Civil Engineering, University V.O.C College of Engineering, Anna University Thoothukudi Campus, Tamil Nadu, India
| | - Gopalakrishnan Kumar
- School of Civil and Environmental Engineering, Yonsei University, Seoul, 03722, Republic of Korea.
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Roufou S, Griffin S, Katsini L, Polańska M, Van Impe JF, Valdramidis VP. The (potential) impact of seasonality and climate change on the physicochemical and microbial properties of dairy waste and its management. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.07.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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He ZW, Yang WJ, Ren YX, Jin HY, Tang CC, Liu WZ, Yang CX, Zhou AJ, Wang AJ. Occurrence, effect, and fate of residual microplastics in anaerobic digestion of waste activated sludge: A state-of-the-art review. BIORESOURCE TECHNOLOGY 2021; 331:125035. [PMID: 33820702 DOI: 10.1016/j.biortech.2021.125035] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/15/2021] [Accepted: 03/17/2021] [Indexed: 06/12/2023]
Abstract
The plastic products have large consumption over last decades, resulting in a serious microplastics (MPs) pollution. Specially, the main removal way of MPs from wastewater is to transfer MPs from liquid to solid phase, leading to its enrichment in waste activated sludge (WAS). Anaerobic digestion has been served as the most potential technique to achieve both resource recovery and sludge reduction, herein this review provides current information on occurrence, effect, and fate of MPs in anaerobic digestion of WAS. The effects of MPs on WAS anaerobic digestion are greatly related to forms, particles sizes, contents, compositions and leachates of MPs. Also, the presence of MPs not only can change the effects of other pollutants on anaerobic digestion of WAS, but also can affect the fates of them. Besides, the future perspectives focused on the fate, effect and final removal of MPs during WAS anaerobic digestion process are outlined.
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Affiliation(s)
- Zhang-Wei He
- Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Wen-Jing Yang
- Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Yong-Xiang Ren
- Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Hong-Yu Jin
- Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Cong-Cong Tang
- Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Wen-Zong Liu
- School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Chun-Xue Yang
- Heilongjiang Cold Region Wetland Ecology and Environment Research Key Laboratory, School of Geography and Tourism, Harbin University, Harbin 150086, China
| | - Ai-Juan Zhou
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Ai-Jie Wang
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
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