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Tiang MF, Hanipa MAF, Mahmod SS, Zainuddin MT, Lutfi AAI, Jahim JM, Takriff MS, Reungsang A, Wu SY, Abdul PM. Impact of light spectra on photo-fermentative biohydrogen production by Rhodobacter sphaeroides KKU-PS1. BIORESOURCE TECHNOLOGY 2024; 394:130222. [PMID: 38109981 DOI: 10.1016/j.biortech.2023.130222] [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: 10/03/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 12/20/2023]
Abstract
Purple non-sulphur bacteria can only capture up to 10 % light spectra and only 1-5 % of light is converted efficiently for biohydrogen production. To enhance light capture and conversion efficiencies, it is necessary to understand the impact of various light spectra on light harvesting pigments. During photo-fermentation, Rhodobacter sphaeroides KKU-PS1 cultivated at 30 °C and 150 rpm under different light spectra has been investigated. Results revealed that red light is more beneficial for biomass accumulation, whereas green light showed the greatest impact on photo-fermentative biohydrogen production. Light conversion efficiency by green light is 2-folds of that under control white light, hence photo-hydrogen productivity is ranked as green > red > orange > violet > blue > yellow. These experimental data demonstrated that green and red lights are essential for photo-hydrogen and biomass productions of R. sphaeroides and a clearer understanding that possibly pave the way for further photosynthetic enhancement research.
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Affiliation(s)
- Ming Foong Tiang
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Muhammad Alif Fitri Hanipa
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Safa Senan Mahmod
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis, UniMAP, 02600 Arau, Perlis, Malaysia; Centre of Excellence for Biomass Utilization, Universiti Malaysia Perlis, UniMAP, 02600 Arau, Perlis, Malaysia
| | - Muhammad Tarmidzi Zainuddin
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Abdullah Amru Indera Lutfi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bandar Baru Bangi, Selangor Darul Ehsan, Malaysia
| | - Jamaliah Md Jahim
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bandar Baru Bangi, Selangor Darul Ehsan, Malaysia
| | - Mohd Sobri Takriff
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bandar Baru Bangi, Selangor Darul Ehsan, Malaysia; Department of Mechanical and Nuclear Engineering, College of Engineering, University of Sharjah, United Arab Emirates
| | - Alissara Reungsang
- Department of Biotechnology, Faculty of Technology, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Shu-Yii Wu
- Department of Chemical Engineering, Feng Chia University, Taichung 40724, Taiwan; Green Energy Development Center, Feng Chia University, Taichung 40724, Taiwan
| | - Peer Mohamed Abdul
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Centre of Excellence for Biomass Utilization, Universiti Malaysia Perlis, UniMAP, 02600 Arau, Perlis, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bandar Baru Bangi, Selangor Darul Ehsan, Malaysia.
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2
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Evaluation of Growth and Utilization Potential of Rhodobacter sphaeroides in Reused Medium. Mol Biotechnol 2023; 65:441-445. [PMID: 35982379 DOI: 10.1007/s12033-022-00553-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 08/09/2022] [Indexed: 10/15/2022]
Abstract
Rhodobacter sphaeroides is a metabolically versatile purple non-sulfur bacteria that can produce valuable substances. As the low-cost and high-efficiency production of valuable substances is attracting attention, the reuse of the medium is emerging as a promising strategy. Therefore, in this study, the growth of R. sphaeroides was evaluated by reusing the medium of Escherichia coli and Saccharomyces cerevisiae. As a result, in the reuse of the medium in which S. cerevisiae was cultured, sufficient growth of R. sphaeroides could be confirmed, and especially, the growth of R. sphaeroides was not inhibited under aerobic conditions. Therefore, it is considered that the strategy of reusing the medium of S. cerevisiae is sufficiently feasible. Of the organic compounds investigated, R. sphaeroides grew best in succinic acid, followed by malic acid, citric acid, acetic acid, and glucose. In addition, by comparing photopigment synthesis in the reused medium, we propose the hypothesis that succinic acid may play an important role in photopigment synthesis for the first time.
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3
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Ong ES, Rabbani AH, Habashy MM, Abdeldayem OM, Al-Sakkari EG, Rene ER. Palm oil industrial wastes as a promising feedstock for biohydrogen production: A comprehensive review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 291:118160. [PMID: 34562690 DOI: 10.1016/j.envpol.2021.118160] [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: 12/17/2020] [Revised: 08/05/2021] [Accepted: 09/09/2021] [Indexed: 06/13/2023]
Abstract
By the year 2050, it is estimated that the demand for palm oil is expected to reach an enormous amount of 240 Mt. With a huge demand in the future for palm oil, it is expected that oil palm by-products will rise with the increasing demand. This represents a golden opportunity for sustainable biohydrogen production using oil palm biomass and palm oil mill effluent (POME) as the renewable feedstock. Among the different biological methods for biohydrogen production, dark fermentation and photo-fermentation have been widely studied for their potential to produce biohydrogen by using various waste materials as feedstock, including POME and oil palm biomass. However, the complex structure of oil palm biomass and POME, such as the lignocellulosic composition, limits fermentable substrate available for conversion to biohydrogen. Therefore, proper pre-treatment and suitable process conditions are crucial for effective biohydrogen generation from these feedstocks. In this review, the characteristics of palm oil industrial waste, the process used for biohydrogen production using palm oil industrial waste, their pros and cons, and the influence of various factors have been discussed, as well as a comparison between studies in terms of types of reactors, pre-treatment strategies, the microbial culture used, and optimum operating condition have been presented. Through biological production, hydrogen production rates up to 52 L-H2/L-medium/h and 6 L-H2/L-medium/h for solid and liquid palm oil industrial waste, respectively, can be achieved. In short, the continuous supply of palm oil production by-product and relatively, the low cost of the biological method for hydrogen production indicates the potential source of renewable energy.
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Affiliation(s)
- Ee Shen Ong
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, the Netherlands.
| | - Alija Haydar Rabbani
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, the Netherlands
| | - Mahmoud M Habashy
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, the Netherlands
| | - Omar M Abdeldayem
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, the Netherlands
| | | | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, the Netherlands
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4
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Biswal T, Shadangi KP, Sarangi PK. Application of Nanotechnology in the Production of Biohydrogen: A Review. Chem Eng Technol 2021. [DOI: 10.1002/ceat.202000565] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Trinath Biswal
- Veer Surendra Sai University of Technology Department of Chemistry 768018 Burla Odisha India
| | - Krushna Prasad Shadangi
- Veer Surendra Sai University of Technology Department of Chemical Engineering 768018 Burla Odisha India
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Zhang C, Wang G, Ma S, Huang H, Ma Y, Li Z. Enhancing Hydrogen Productivity of Photosynthetic Bacteria from the Formulated Carbon Source by Mixing Xylose with Glucose. Appl Biochem Biotechnol 2021; 193:3996-4017. [PMID: 34661867 DOI: 10.1007/s12010-021-03708-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/08/2021] [Indexed: 10/20/2022]
Abstract
To develop an efficient photofermentative process capable of higher rate biohydrogen production using carbon components of lignocellulosic hydrolysate, a desired carbon substrate by mixing xylose with glucose was formulated. Effects of crucial process parameters affecting cellular biochemical reaction of hydrogen by photosynthetic bacteria (PSB), i.e., variation in initial concentration of total carbon, glucose content in initial carbon substrate, and light intensity, were experimentally investigated using response surface methodology (RSM) with a Box-Behnken design (BBD). Hydrogen production rate (HPR) in the maximum value of 30.6 mL h-1 L-1 was attained under conditions of 39 mM initial concentration of total carbon, 59% (mol/mol) glucose content in initial carbon substrate, and 12.6 W m-2 light intensity at light wavelength of 590 nm. Synergic effects of metabolizing such a well-formulated carbon substrate for sustaining the active microbial synthesis to sufficiently accumulate biomass in bioreactor, as well as stimulating enzyme activity of nitrogenase for the higher rate biohydrogen production, were attributed to this carbon substrate that can enable PSB to maintain the relatively consistent microenvironment in suitable culture pH condition during the optimized photofermentative process.
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Affiliation(s)
- Chuan Zhang
- School of Electric Power, North China University of Water Resource and Electric Power, No. 36 Beihuan Road, Jinshui District, Zhengzhou, 450045, People's Republic of China. .,Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing, 400044, People's Republic of China.
| | - Guihong Wang
- School of Electric Power, North China University of Water Resource and Electric Power, No. 36 Beihuan Road, Jinshui District, Zhengzhou, 450045, People's Republic of China
| | - Shuaishuai Ma
- School of Electric Power, North China University of Water Resource and Electric Power, No. 36 Beihuan Road, Jinshui District, Zhengzhou, 450045, People's Republic of China
| | - Hao Huang
- School of Electric Power, North China University of Water Resource and Electric Power, No. 36 Beihuan Road, Jinshui District, Zhengzhou, 450045, People's Republic of China
| | - Yixiao Ma
- School of Electric Power, North China University of Water Resource and Electric Power, No. 36 Beihuan Road, Jinshui District, Zhengzhou, 450045, People's Republic of China
| | - Zhaoran Li
- School of Electric Power, North China University of Water Resource and Electric Power, No. 36 Beihuan Road, Jinshui District, Zhengzhou, 450045, People's Republic of China.,Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing, 400044, People's Republic of China
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6
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Jiang D, Yue T, Zhang Z, He C, Jing Y, Lu C, Zhang H, Chen Z, Zhang Q. A strategy for successive feedstock reuse to maximize photo-fermentative hydrogen production of Arundo donax L. BIORESOURCE TECHNOLOGY 2021; 329:124878. [PMID: 33652190 DOI: 10.1016/j.biortech.2021.124878] [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: 01/05/2021] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 06/12/2023]
Abstract
This study proposed a strategy to maximize the hydrogen yield by reusing feedstock of Arundo donax L. For this purpose, a successive 4-batch photo-fermentative hydrogen production (PFHP) was carried out to test the strategy. About 50% of total hydrogen yield was additionally obtained by reusing the Arundo donax L for successive 4 times in comparison to single 1st batch (161.4 mL/U. cell dry weight). In addition to the highest hydrogen yield, the maximum hydrogen production rate (6.0 mL/U. cell dry weight /h), and the highest volatile fatty acids (VFAs) concentration (32 mM) were also obtained from the 1st batch, while the 2nd batch gave the maximum substrate conversion efficiency (96.5%). Moreover, a positive relationship between the sum of acetic and butyric acids with hydrogen yields was observed. This strategy would help in enhancing hydrogen yield that coupled with cost reduction for biohydrogen production.
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Affiliation(s)
- Danping Jiang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Tian Yue
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Zhiping Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Chao He
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Yanyan Jing
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Chaoyang Lu
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Huan Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Zhou Chen
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China
| | - Quanguo Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Ministry of Agriculture and Rural Affairs, Henan Agricultural University, Zhengzhou 450002, China.
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Park JM, Lee HJ, Ahn J, Sekhon SS, Kim SY, Wee JH, Min J, Ahn JY, Kim YH. Effects of Light Regulation on Proteome Expression in Rhodobacter sphaeroides 2.4.1. Mol Biotechnol 2021; 63:437-445. [PMID: 33666852 DOI: 10.1007/s12033-021-00312-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/20/2021] [Indexed: 12/01/2022]
Abstract
Light plays an important role in the transcriptional regulation of photosynthetic apparatus. The influence of oxygen and light conditions on the protein expression of Rhodobacter sphaeroides was investigated using a proteomic approach. The R. sphaeroides was grown aerobically under dark cultivation (D24) and light cultivation (L24) for 24 h. An average of 950 distinguishable spots were obtained on 2-D analytic gel for D24 and L24 conditions, of which 48 proteins exhibited significant changes in protein expression levels. Among the 48, 31 proteins were upregulated and 17 proteins were downregulated in L24 when compared with D24. The results depict the comparative protein expression in R. sphaeroides mediated through growth under light or dark conditions. The data suggest that the overexpressed proteins, phosphoribosyl-ATP pyrophosphatase (HisE), in the D24/aerobic culture are involved in the positive regulation of PAC production can be functionally applied in metabolic engineering and industrial processes.
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Affiliation(s)
- Jae-Min Park
- School of Biological Sciences, Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, 28644, South Korea
| | - Hyun-Jeong Lee
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, 54896, Jeonju-si, Jeollabuk-do, South Korea
| | - Jinhee Ahn
- MEDICA KOREA Co., Ltd., 704ho, 2558, Nambusunhwan-ro, Seocho-gu, Seoul, 06750, South Korea
| | - Simranjeet Singh Sekhon
- School of Biological Sciences, Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, 28644, South Korea
| | - Sang Yong Kim
- Department of Food Science and Biotechnology, Shin Ansan University, 135 Sinansandaehak-Ro, Danwon-Gu, 15435, Ansan, South Korea
| | - Ji-Hyang Wee
- Department of Food Science and Biotechnology, Shin Ansan University, 135 Sinansandaehak-Ro, Danwon-Gu, 15435, Ansan, South Korea
| | - Jiho Min
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, 54896, Jeonju-si, Jeollabuk-do, South Korea.
| | - Ji-Young Ahn
- School of Biological Sciences, Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, 28644, South Korea.
| | - Yang-Hoon Kim
- School of Biological Sciences, Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, 28644, South Korea.
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8
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Bio-Hydrogen Production from Wastewater: A Comparative Study of Low Energy Intensive Production Processes. CLEAN TECHNOLOGIES 2021. [DOI: 10.3390/cleantechnol3010010] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Billions of litres of wastewater are produced daily from domestic and industrial areas, and whilst wastewater is often perceived as a problem, it has the potential to be viewed as a rich source for resources and energy. Wastewater contains between four and five times more energy than is required to treat it, and is a potential source of bio-hydrogen—a clean energy vector, a feedstock chemical and a fuel, widely recognised to have a role in the decarbonisation of the future energy system. This paper investigates sustainable, low-energy intensive routes for hydrogen production from wastewater, critically analysing five technologies, namely photo-fermentation, dark fermentation, photocatalysis, microbial photo electrochemical processes and microbial electrolysis cells (MECs). The paper compares key parameters influencing H2 production yield, such as pH, temperature and reactor design, summarises the state of the art in each area, and highlights the scale-up technical challenges. In addition to H2 production, these processes can be used for partial wastewater remediation, providing at least 45% reduction in chemical oxygen demand (COD), and are suitable for integration into existing wastewater treatment plants. Key advancements in lab-based research are included, highlighting the potential for each technology to contribute to the development of clean energy. Whilst there have been efforts to scale dark fermentation, electro and photo chemical technologies are still at the early stages of development (Technology Readiness Levels below 4); therefore, pilot plants and demonstrators sited at wastewater treatment facilities are needed to assess commercial viability. As such, a multidisciplinary approach is needed to overcome the current barriers to implementation, integrating expertise in engineering, chemistry and microbiology with the commercial experience of both water and energy sectors. The review concludes by highlighting MECs as a promising technology, due to excellent system modularity, good hydrogen yield (3.6–7.9 L/L/d from synthetic wastewater) and the potential to remove up to 80% COD from influent streams.
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Sampath P, Brijesh, Reddy KR, Reddy CV, Shetti NP, Kulkarni RV, Raghu AV. Biohydrogen Production from Organic Waste – A Review. Chem Eng Technol 2020. [DOI: 10.1002/ceat.201900400] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- P. Sampath
- Dayananda Sagar College of EngineeringDepartment of Chemical Engineering 560078 Bengaluru Karnataka India
| | - Brijesh
- Ramaiah Institute of TechnologyDepartment of Chemical Engineering 560054 Bengaluru Karnataka India
| | - Kakarla Raghava Reddy
- The University of SydneySchool of Chemical and Biomolecular Engineering NSW 2006 Sydney Australia
| | - C. Venkata Reddy
- Yeungnam UniversitySchool of Mechanical Engineering 712-749 Gyeongsan South Korea
| | - Nagaraj P. Shetti
- K.L.E Institute of TechnologyDepartment of Chemistry 580030 Gokul, Hubballi Karnataka India
| | - Raghavendra V. Kulkarni
- BLDEA's SSM College of Pharmacy and Research CentreDepartment of Pharmaceutics 586 103 Karnataka Vijayapur India
| | - Anjanapura V. Raghu
- JAIN Deemed-to-be UniversityDepartment of Basic SciencesCenter for Emerging Technology (CET)School of Chemistry 562112 Karnataka Bangalore India
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Elsharkawy K, Gar Alalm M, Fujii M, Afify H, Tawfik A, Elsamadony M. Paperboard mill wastewater treatment via combined dark and LED-mediated fermentation in the absence of external chemical addition. BIORESOURCE TECHNOLOGY 2020; 295:122312. [PMID: 31678889 DOI: 10.1016/j.biortech.2019.122312] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 10/16/2019] [Accepted: 10/18/2019] [Indexed: 06/10/2023]
Abstract
Paperboard mill wastewater (PMWW) was treated using two subsequent dark and photo up-flow intermitted stirring tank reactors (UISTRs) under different hydraulic retention times (HRTs) without external chemical use. HRT of 12 h revealed the maximum overall H2 productivity of 1394.1(±70.6) mL/L/d with contents of 48.9(±2.5) and 47.4(±1.4)% for dark- and photo-processes, respectively. Overall substrate removal efficiency (SDE) of 58.9(±4.5)% was registered at HRT o 12 h. High H2 productivity was ascribed to fermentation type occurred at dark reactor, since acetate and butyrate accounted for 70.9% of volatile fatty acids. Besides, pH and carbon to nitrogen ratio of dark reactor's effluent at HRT = 12 h were 5.5(±0.1) and 30.0(±2.5), respectively which are the optimum levels for photo fermentation process. Moreover, energetic and economic analyses emphasized on the superiority of 12 h-HRT, where net gain energy, daily saving and payback period accounted for 1319.5 kWh/d, 148.7 $/d and 9.8 years, respectively.
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Affiliation(s)
- Khaled Elsharkawy
- Department of Public Works Engineering, Faculty of Engineering, Tanta University, 31521 Tanta City, Egypt
| | - Mohamed Gar Alalm
- Department of Public Works Engineering, Faculty of Engineering, Mansoura University, Mansoura 35516, Egypt
| | - Manabu Fujii
- Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8552, Japan
| | - Hafez Afify
- Department of Public Works Engineering, Faculty of Engineering, Tanta University, 31521 Tanta City, Egypt
| | - Ahmed Tawfik
- Department of Water Pollution Research, National Research Centre, P.O 12622, Giza, Egypt
| | - Mohamed Elsamadony
- Department of Public Works Engineering, Faculty of Engineering, Tanta University, 31521 Tanta City, Egypt; Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8552, Japan.
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Assawamongkholsiri T, Reungsang A, Sittijunda S. Photo-hydrogen and lipid production from lactate, acetate, butyrate, and sugar manufacturing wastewater with an alternative nitrogen source by Rhodobacter sp . KKU-PS1. PeerJ 2019; 7:e6653. [PMID: 30976463 PMCID: PMC6451836 DOI: 10.7717/peerj.6653] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 02/21/2019] [Indexed: 11/20/2022] Open
Abstract
Photo-hydrogen and lipid production from individual synthetic volatile fatty acids (VFAs) and sugar manufacturing wastewater (SMW) by Rhodobacter sp. KKU-PS1 with sodium glutamate or Aji-L (i.e., waste from the process of crystallizing monosodium glutamate) as a nitrogen source was investigated. Using individual synthetic VFAs, the maximum hydrogen production was achieved with Aji-L as a nitrogen source rather than sodium glutamate. The maximum hydrogen production was 1,727, 754 and 1,353 mL H2/L, respectively, using 25 mM of lactate, 40 mM of acetate and 15mM of butyrate as substrates. Under these conditions, lipid was produced in the range of 10.6–16.9% (w/w). Subsequently, photo-hydrogen and lipid production from SMW using Aji-L as nitrogen source was conducted. Maximal hydrogen production and hydrogen yields of 1,672 mL H2/L and 1.92 mol H2/mol substrate, respectively, were obtained. Additionally, lipid content and lipid production of 21.3% (w/w) and 475 mg lipid/L were achieved. The analysis of the lipid and fatty acid components revealed that triacyglycerol (TAG) and C18:1 methyl ester were the main lipid and fatty acid components, respectively, found in Rhodobacter sp. KKU-PS1 cells.
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Affiliation(s)
- Thitirut Assawamongkholsiri
- Research and Development of GM Plant & Microbe Detection Laboratory/Biotechnology Research and Development Office, Department of Agriculture, Bangkok, Thailand
| | - Alissara Reungsang
- Department of Biotechnology/Faculty of Technology/Khon Kaen University, Khon Kaen, Thailand.,Research Group for Development of Microbial Hydrogen Production Process from Biomass, Khon Kaen University, Khon Kaen, Thailand
| | - Sureewan Sittijunda
- Faculty of Environment and Resource Studies, Mahidol University, Nakhon Pathom, Thailand
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Monroy I, Buitrón G. Diagnosis of undesired scenarios in hydrogen production by photo-fermentation. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2018; 78:1652-1657. [PMID: 30500789 DOI: 10.2166/wst.2018.435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This study presents the use of a machine learning method from the artificial intelligence area, such as the support vector machines, applied to the construction of data-based classification models for diagnosing undesired scenarios in the hydrogen production process by photo-fermentation, which was carried out by an immobilized photo-bacteria consortium. The diagnosis models were constructed with data obtained from simulations run with a mechanistic model of the process and assessed on both modelled and experimental batches. The results revealed a 100% diagnosis performance in those batches where light intensity was below and above an optimum operation range. Nevertheless, 55% diagnosis performance was obtained in modelled batches where pH was away from its optimum operation range, showing that diagnosis model predictions during the first observations of those batches were classified as normal operation and revealing diagnosis delay in pH oscillations. In general, results demonstrate the reliability of classification models to be used in future applications such as the on-line process monitoring to detect and diagnose undesired operating conditions and take corrective actions on time to maintain high hydrogen productivities.
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Affiliation(s)
- Isaac Monroy
- Universidad Anáhuac Querétaro, Calle Circuito Universidades I, km 7, Fracción 2, El Marqués, Querétaro 76246, México E-mail:
| | - Germán Buitrón
- Laboratory for Research on Advanced Processes for Water Treatment, Unidad Académica Juriquilla, Instituto de Ingeniería, Universidad Nacional Autónoma de México, Blvd. Juriquilla 3001, Querétaro 76230, México
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Budiman PM, Wu TY, Ramanan RN, Md Jahim J. Reusing colored industrial wastewaters in a photofermentation for enhancing biohydrogen production by using ultrasound stimulated Rhodobacter sphaeroides. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:15870-15881. [PMID: 28409433 DOI: 10.1007/s11356-017-8807-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 03/13/2017] [Indexed: 05/24/2023]
Abstract
One-time ultrasonication pre-treatment of Rhodobacter sphaeroides was evaluated for improving biohydrogen production via photofermentation. Batch experiments were performed by varying ultrasonication amplitude (15, 30, and 45%) and duration (5, 10, and 15 min) using combined effluents from palm oil as well as pulp and paper mill as a single substrate. Experimental data showed that ultrasonication at amplitude 30% for 10 min (256.33 J/mL) achieved the highest biohydrogen yield of 9.982 mL H2/mLmedium with 5.125% of light efficiency. A maximum CODtotal removal of 44.7% was also obtained. However, when higher ultrasonication energy inputs (>256.33 J/mL) were transmitted to the cells, biohydrogen production did not improve further. In fact, 20.6% decrease of biohydrogen yield (as compared to the highest biohydrogen yield) was observed using the most intense ultrasonicated inoculum (472.59 J/mL). Field emission scanning electron microscope images revealed the occurrence of cell damages and biomass losses if ultrasonication at 472.59 J/mL was used. The present results suggested that moderate ultrasonication pre-treatment was an effective technique to improve biohydrogen production performances of R. sphaeroides.
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Affiliation(s)
- Pretty Mori Budiman
- Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Ta Yeong Wu
- Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia.
| | - Ramakrishnan Nagasundara Ramanan
- Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Jamaliah Md Jahim
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor Darul Ehsan, Malaysia
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Hay JXW, Wu TY, Juan JC, Md Jahim J. Effect of adding brewery wastewater to pulp and paper mill effluent to enhance the photofermentation process: wastewater characteristics, biohydrogen production, overall performance, and kinetic modeling. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:10354-10363. [PMID: 28281053 DOI: 10.1007/s11356-017-8557-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 02/02/2017] [Indexed: 06/06/2023]
Abstract
Although a significant amount of brewery wastewater (BW) is generated during beer production, the nutrients in the BW could be reused as a potential bio-resource for biohydrogen production. Therefore, improvements in photofermentative biohydrogen production due to a combination of BW and pulp and paper mill effluent (PPME) as a mixed production medium were investigated comprehensively in this study. The experimental results showed that both the biohydrogen yield and the chemical oxygen demand removal were improved through the combination of BW and PPME. The best biohydrogen yield of 0.69 mol H2/L medium was obtained using the combination of 10 % BW + 90 % PPME (10B90P), while the reuse of the wastewater alone (100 % BW and 100 % PPME) resulted in 42.3 and 44.0 % less biohydrogen yields than the highest yield, respectively. The greatest light efficiency was 1.97 % and was also achieved using the combination of both wastewaters at 10B90P. This study revealed the potential of reusing and combining two different effluents together, in which the combination of BW and PPME improved the nutrients and light penetration into the mixed production medium.
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Affiliation(s)
- Jacqueline Xiao Wen Hay
- Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Ta Yeong Wu
- Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia.
| | - Joon Ching Juan
- Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Jamaliah Md Jahim
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor Darul Ehsan, Malaysia
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