Article
Biochemistry & Molecular Biology
Necati Kayaalp
Summary: Hydrogen-based autotrophic denitrification is a promising choice for nitrate removal due to its low sludge production and clean source. This study investigated the anoxic treatment of drainage waters using hydrogen gas in a venturi-integrated submerged membrane bioreactor configuration. The study found that the use of a venturi device did not significantly affect the treatment efficiency, and a removal efficiency of over 90% was achieved.
Article
Environmental Sciences
Onur Isik, Melek Cagla Erbil, Amr Mustafa Abdelrahman, Mustafa Evren Ersahin, Ismail Koyuncu, Hale Ozgun, Ibrahim Demir
Summary: This study investigated the fate of micropollutants in a membrane bioreactor with dynamic membrane and ultrafiltration membrane for the treatment of raw municipal wastewater. High removal efficiencies of total suspended solids, chemical oxygen demand, and micropollutants were achieved with each membrane. Morphological analyses were conducted to gain insight into the cake layer accumulated on the membrane, showing that dynamic membrane technology provides an effective alternative for micropollutant removal from municipal wastewater.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Review
Engineering, Environmental
Recep Kaya, Mustafa Evren Ersahin, Hale Ozgun, Borte Kose-Mutlu, Mehmet Emin Pasaoglu, Ismail Koyuncu
Summary: Membrane bioreactor (MBR) technology is considered a promising method for advanced wastewater treatment due to its high-quality effluent. However, fouling caused by intensive activated sludge used in submerged MBR systems is a major issue. To overcome this problem, researchers have explored the use of vibratory processes in MBRs. This review aims to gather current efforts in fouling control by vibratory motion, specifically in submerged activated sludge membrane bioreactors, and presents a comparative analysis of different vibration types and their experimental results.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Environmental Sciences
Ahmet Duyar, Vildan Ciftcioglu, Kevser Cirik, Gokhan Civelekoglu, Serhan Urus
Summary: This study recommended coupling of conventional single-stage A/O with moving bed biofilm reactor and membrane bioreactor for landfill leachate treatment. The system achieved efficient removal of COD, nitrogen, and PAEs, with notable presence of various metal elements and important microbial activities in the AnoxMBBR and AeMBR.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Chemistry, Physical
Bela Varga, Monika Meiczinger, Miklos Jakab, Viola Somogyi
Summary: The industrial and environmental applications of laccase, especially in wastewater treatment, have received increasing attention. This study developed a novel two-step immobilization process to cross-link enzyme aggregates (CLEA) in the pores of a biodegradable cellulose acetate microfiltration membrane. The highest immobilization efficiency (76%) was achieved at acidic buffers and 29( ?)C, but partial denaturation and membrane fouling were observed. The cellulose acetate membrane successfully treated diclofenac with a removal efficiency of 58%.
Article
Environmental Sciences
Rongxuan Wang, Md. Alamin, Shohei Tsuji, Hiroe Hara-Yamamura, Akihiko Hata, Bo Zhao, Masaru Ihara, Ryo Honda
Summary: This study aimed to clarify the removal performance of SARS-CoV-2 during wastewater treatment and found that the membrane bioreactor (MBR) exhibited the most stable performance in removing SARS-CoV-2.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Agricultural Engineering
Susan N. James, Arya Vijayanandan
Summary: An anoxic-aerobic-anoxic process was established in a sequencing batch reactor to simultaneously remove organic carbon and nitrogen from wastewater. The study found that the optimum conditions for the process were achieved with a dissolved oxygen level of 1.5 mg/L and 1 hour pre-anoxic and post-anoxic periods. Under these conditions, the removal efficiencies of TOC, NH4+-N, and TN were 98.76%, 98.52%, and 88.23% respectively. Breakpoints in the pH, DO, and ORP curves provided insights into the biochemical reactions occurring in the reactor. Inhibition studies revealed that nitrogen removal pathways such as heterotrophic nitrification or direct conversion contributed to the removal of 27.69% of NH4+-N, while aerobic denitrification accounted for the removal of 20.55% of TN. Microbial community analysis confirmed the presence of heterotrophic nitrifiers and aerobic denitrifiers. The study emphasized the benefits of the varied redox conditions provided by limited aeration for nitrogen removal, leading to reduced energy usage and operating costs.
BIORESOURCE TECHNOLOGY
(2022)
Review
Agricultural Engineering
Rosalinda Mazzei, Abaynesh Yihdego Gebreyohannes, Emmaouil Papaioannou, Suzana P. Nunes, Ivo F. J. Vankelecom, Lidietta Giorno
Summary: This review analyzes the conjugation of major enzymes and membrane processes in biorefineries to develop various configurations of MBRs for the production of biofuels, phytotherapics, and food ingredients. The advantages and main drawbacks of MBR application in biorefineries are critically reviewed, with alternative strategies proposed to overcome main limitations in different application fields.
BIORESOURCE TECHNOLOGY
(2021)
Article
Environmental Sciences
L. M. L. K. B. Lindamulla, V Jegatheesan, K. B. S. N. Jinadasa, K. G. N. Nanayakkara, M. Z. Othman
Summary: Membrane bioreactor technology integrates biological wastewater treatment and physical separation by membrane filtration. Mathematical models for membrane bioreactors have not adequately considered the impact of soluble microbial products on membrane fouling, but this study has integrated biological and physical models to address this issue. The developed integrated model considers the influence of soluble microbial products, extracellular polymeric substances, sludge removal, and membrane cleaning, enabling prediction of system performance and membrane fouling under various operating conditions.
Review
Engineering, Chemical
Yan Zhao, Yangbo Qiu, Natalie Mamrol, Longfei Ren, Xin Li, Jiahui Shao, Xing Yang, Bart van der Bruggen
Summary: Hospital wastewater contains harmful substances that require effective treatment. Membrane technology is utilized for molecular separation, with MBR technology demonstrating high removal efficiency. The development of hybrid MBR and integrated MBR-membrane systems can improve wastewater treatment efficiency and material recovery.
FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
(2022)
Article
Environmental Sciences
Zulqarnain Fida, William E. Price, Biplob Kumar Pramanik, Bipro Ranjan Dhar, Manish Kumar, Guangming Jiang, Faisal Hai
Summary: The study examined the impact of sludge exchange rate between an MBR and side-stream anoxic reactors on reducing sludge yield, with a 11% exchange rate resulting in the highest reduction of 58%. Enhanced volatile solids destruction at this rate, through bacterial cell lysis and EPS destruction, contributed to the significant sludge reduction.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Environmental Sciences
Rui Huang, Tongyang Meng, Gaige Liu, Shanshan Gao, Jiayu Tian
Summary: A membrane bioreactor was constructed to simultaneously achieve nitrification and denitrification. The effect of dissolved oxygen on the process and nitrogen pathways was investigated. Higher dissolved oxygen concentrations resulted in higher total nitrogen removal efficiency, with nitrite mainly removed through denitrification. Nitrate reductase and nitrite oxidoreductase were the main enzymes involved in nitrogen conversion.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Engineering, Chemical
Muhammad Bilal Asif, Baoyu Ren, Chengyue Li, Keyou He, Xihui Zhang, Zhenghua Zhang
Summary: Intermittent in-situ ozonation was provided in the Fe (II)-dosed membrane bioreactor for the first time, showing a 33% reduction in membrane fouling without detrimental effects on effluent quality. The study suggests that this method is a simple and attractive approach to extend the operation of iron-dosed MBRs.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Engineering, Environmental
Agata Egea-Corbacho, Ana Pilar Martin-Garcia, Ana Amelia Franco, Jose Maria Quiroga, Rune Rojgaard Andreasen, Mads Koustrup Jorgensen, Morten Lykkegaard Christensen
Summary: Microplastics are a major threat to the environment and aquatic life, and one of the main sources of microplastics in water and land environments is wastewater treatment plants. This study aimed to investigate the presence and removal of microplastics in wastewater and sludge from different types of treatment plants. The results showed high removal efficiency in the treatment process, with a decrease in microplastic concentration from influent to effluent. The most common forms of microplastics detected were fragments and fibers, and several types of polymers were identified.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Engineering, Environmental
Muhammad Bilal Asif, Chengyue Li, Baoyu Ren, Tahir Maqbool, Xihui Zhang, Zhenghua Zhang
Summary: In-situ ozonation in the ceramic MBR membrane tank, known as Oz-MBR, enhanced micropollutant removal efficiency and alleviated membrane fouling. The increased abundance of microbial taxa responsible for removing complex pollutants and/or ozone-assisted oxidation may contribute to the improved removal efficiency of micropollutants in the Oz-MBR.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Agricultural Engineering
Huu Tuan Tran, Chitsan Lin, Xuan-Thanh Bui, Minh Ky Nguyen, Ngoc Dan Thanh Cao, Hussnain Mukhtar, Hong Giang Hoang, Sunita Varjani, Huu Hao Ngo, Long D. Nghiem
Summary: This article reviews the occurrence, fate, and concentration of phthalates in various environmental matrices and discusses the application and efficiency of various advanced wastewater treatment technologies in phthalate removal, as well as identifies key factors influencing the removal efficiency.
BIORESOURCE TECHNOLOGY
(2022)
Article
Chemistry, Applied
Mamatha Chandra Singh, Yasmine Probst, William E. Price, Celine Kelso
Summary: This study demonstrated that the solubility of anthocyanin compounds is affected by the solvent composition and extraction methods. The most effective homogenization and maximal extraction yield of anthocyanins was achieved using ultra-sonication with methanol/water (80/20 v/v) at pH 3.0.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2022)
Article
Engineering, Chemical
Jingjing Liu, Ahmed K. Albdoor, Wenye Lin, Faisal Hai, Zhenjun Ma
Summary: Increasing feed temperature and cross flow velocity can exacerbate membrane fouling, higher feed temperature can enhance DCMD regeneration capacity but reduce membrane hydrophobicity, cleaning the membrane can effectively alleviate membrane fouling but also increase the risk of membrane wetting.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Review
Environmental Sciences
Luong N. Nguyen, Minh T. Vu, Hang P. Vu, Md. Abu Hasan Johir, Leen Labeeuw, Peter J. Ralph, T. M. I. Mahlia, Ashok Pandey, Ranjna Sirohi, Long D. Nghiem
Summary: This paper reviews the current state of microalgal culture development for carbon capture and utilization (CCU) and highlights its potential contribution to addressing climate change challenges. Innovative system designs are crucial to achieve large-scale CO2 capture by microalgae, and downstream processes of microalgal culture are important for the overall success of microalgae-based CCU.
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2023)
Review
Environmental Sciences
Shovra Chandra Chakraborty, Md Wahad Uz Zaman, Mozammel Hoque, Md Qamruzzaman, Jahid Uz Zaman, Delowar Hossain, Biplob Kumar Pramanik, Luong Ngoc Nguyen, Long Duc Nghiem, Md Mofijur, Md Ibrahim H. Mondal, Jeni Aprazita Sithi, Sha Md Shahan Shahriar, Md Abu Hasan Johir, Mohammad Boshir Ahmed
Summary: The management of e-waste, specifically the extraction of metals, is an important issue. This study critically reviews and compares existing methods such as physical, biological, supercritical fluid technologies, pyro and hydrometallurgical, and hybrid methods. The review suggests that hybrid methods are more environmentally friendly and have an extraction efficiency of over 90%.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Agricultural Engineering
Unnikrishnan Kuzhiumparambil, Leen Labeeuw, Audrey Commault, Hang P. Vu, Luong N. Nguyen, Peter J. Ralph, Long D. Nghiem
Summary: The study evaluated the effects of different harvesting methods on the quality of microalgal biomass. Alkaline addition significantly compromised cell walls, while polyacrylamide addition showed higher harvesting efficiency with less compromised cells and retention of important biochemicals. The metabolic profiles varied depending on the harvesting methods used.
BIORESOURCE TECHNOLOGY
(2022)
Review
Engineering, Environmental
Ting Zhou, Zehao Zhang, Huan Liu, Shiman Dong, Long D. Nghiem, Li Gao, Alex V. Chaves, Arash Zamyadi, Xuan Li, Qilin Wang
Summary: This review summarizes the occurrence, classification, emission sources, and environmental risk of pharmaceutical compounds in aqueous environments. The efficiency, mechanisms, and influencing factors for the removal of pharmaceutical compounds through microalgae-based technology are further discussed. Microalgae-based technology can mainly remove pharmaceutical compounds through bioadsorption, bioaccumulation, biodegradation, and photodegradation.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Physical
Shudi Mao, Casey Onggowarsito, An Feng, Stella Zhang, Qiang Fu, Long D. Nghiem
Summary: This research developed a novel cryogel solar vapor generator system with excellent water management properties for desalination. The system demonstrated high intermediate water content, fast evaporation rate, and strong salt resistance, showing great potential for practical applications.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Construction & Building Technology
Kirthi Chetty, Ulf Garbe, Zhiyang Wang, Shuxin Zhang, Timothy McCarthy, Faisal Hai, Guangming Jiang
Summary: This study developed an innovative bioconcrete by using waste-activated sludge as a source for non-axenic sulfate-reducing bacterial (SRB) granules. The bioconcrete showed satisfactory mechanical properties and self-healing performance, and could effectively precipitate calcium carbonate in different water media.
JOURNAL OF SUSTAINABLE CEMENT-BASED MATERIALS
(2023)
Article
Engineering, Chemical
Lisa Aditya, Hang P. Vu, Luong N. Nguyen, T. M. Indra Mahlia, Ngoc Bich Hoang, Long D. Nghiem
Summary: This study evaluates the performance of a ceramic microfiltration membrane for extracting clean water and pre-concentrating microalgae. The results show that membrane fouling is specific to each microalgae species, but can be efficiently mitigated by aeration and regular backwashing. C. vulgaris exhibited considerable membrane fouling over time, while Scenedesmus sp. showed negligible fouling. The ceramic microfiltration membrane can simultaneously enrich the microalgae solution and recycle permeated water for microalgae cultivation.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Environmental Sciences
Bao-Trong Dang, Xuan-Thanh Bui, Thanh-Tin Nguyen, Huu Hao Ngo, Long D. Nghiem, Ky-Phuong-Ha Huynh, Thi-Kim-Quyen Vo, Thi-Dieu-Hien Vo, Chitsan Lin, Shiao-Shing Chen
Summary: Co-culture of microalgae-activated sludge has the potential to purify wastewater while reducing energy demand from aeration. This study used a mechanically stirred membrane photobioreactor to evaluate the impact of biomass retention time on treatment performance and membrane fouling. Results showed that the highest productivity was achieved at a biomass retention time of 7 days, with a lower retention time leading to increased fouling rates. The optimum biomass retention time of 7 days allowed for sufficient access to light and nutrient exchange for mutualistic interactions between microalgae and activated sludge.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Engineering, Environmental
Michael J. Stapleton, Ashley J. Ansari, Faisal I. Hai
Summary: The adsorption of contaminants onto microplastics, including heavy metals, PFAS, PCBs, PAHs, PPCPs, and PBDs, has received significant attention. Understanding the factors influencing antibiotic sorption onto microplastics is crucial due to the potential role in antibiotic resistance. This review highlights the physico-chemical properties of polymers, antibiotic properties, and solution properties as key factors affecting antibiotic sorption onto microplastics.
Article
Environmental Sciences
Michael J. Stapleton, Ashley J. Ansari, Aziz Ahmed, Faisal I. Hai
Summary: This study examines the changes in properties of different types of plastics after simulated environmental degradation and determines their suitability for upcycling or downcycling. It finds that PET and PP are unsuitable for upcycling due to color changes, while PLA has reduced tensile strength and significant chemical and surface changes. PC shows good upcycling potential due to its resistance to degradation.
ENVIRONMENTAL POLLUTION
(2023)
Article
Biotechnology & Applied Microbiology
Michael J. Stapleton, Faisal I. Hai
Summary: Microplastics have become one of the most concerning contaminants, with significant attention being given to their potential toxicity risks. They affect physiological and biological processes in marine and terrestrial organisms and can act as vectors for other contaminants. Additionally, microplastics host antibiotic resistant bacteria and resistance genes, posing a risk to the health system. This paper aims to provide an overview of microplastic sources, their effects, and act as a reference for future research.
Article
Green & Sustainable Science & Technology
Xianbo Sun, Ying Pan, Yanyu Song, Wen Liu, Long D. Nghiem, Qilin Wang, Zhengqing Cai
Summary: A novel carbon quantum dots decorated C-doped alpha-Bi2O3 photocatalyst (CBO/CQDs) was synthesized and showed significantly improved contaminants removal efficiencies. CBO/CQDs exhibited much higher ceftriaxone sodium degradation rate constant (k) compared to pure alpha-Bi2O3 and C-doped alpha-Bi2O3. The synergistic effect of carbon doping, CQDs loading, and reduced particle size of CBO/CQDs enhanced the utilization of visible light and efficient separation of photogenerated carriers.
ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY
(2023)
Article
Agricultural Engineering
Yinping Xiang, Meiying Jia, Rui Xu, Jialu Xu, Lele He, Haihao Peng, Weimin Sun, Dongbo Wang, Weiping Xiong, Zhaohui Yang
Summary: This study investigated the impact of the non-antibiotic pharmaceutical carbamazepine on antibiotic resistance genes (ARGs) during anaerobic digestion. The results showed that carbamazepine induced the enrichment of ARGs and increased the abundance of bacteria carrying these genes. It also facilitated microbial aggregation and intercellular communication, leading to an increased frequency of ARGs transmission. Moreover, carbamazepine promoted the acquisition of ARGs by pathogens and elevated their overall abundance.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Weixin Zhao, Tianyi Hu, Hao Ma, Dan Li, Qingliang Zhao, Junqiu Jiang, Liangliang Wei
Summary: This review summarizes the effects and potential mechanisms of biochar on microbial behavior in AD systems. The addition of biochar has been found to promote microbial colonization, alleviate stress, provide nutrients, and enhance enzyme activity. Future research directions include targeted design of biochar, in-depth study of microbial mechanisms, and improved models.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Christina Karmann, Anna Magrova, Pavel Jenicek, Jan Bartacek, Vojtech Kouba
Summary: This review assesses nitrogen removal technologies in reject water treatment, highlighting the differences in environmental impacts and economic benefits. Partial nitritation-anammox shows potential for economic benefits and positive environmental outcomes when operated and controlled properly.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Wei-Hao Huang, Ying-Ju Chang, Duu-Jong Lee
Summary: This study modified pinecone biochar with layered double hydroxide (LDH) to enhance its adsorption capacity for heavy metal and phosphate ions. The LDH-biochar showed significantly improved adsorption capacities for Pb2+ and phosphate, and a slight increase for Cu2+ and Co2+. The LDH layer enhanced the adsorption through various mechanisms.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Chao Song, Fanfan Cai, Shuang Yang, Ligong Wang, Guangqing Liu, Chang Chen
Summary: This paper developed a machine learning model to predict the biochemical methane potential during anaerobic digestion. Model analysis identified lignin content, organic loading, and nitrogen content as key attributes for methane production prediction. For feedstocks with high cellulose content, early methane production is lower but can be improved by prolonging digestion time. Moreover, lignin content exceeding a certain value significantly inhibits methane production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Sang Min Lee, Ju Young Lee, Ji-Sook Hahn, Seung-Ho Baek
Summary: This study successfully developed an efficient platform strain using Yarrowia lipolytica for the bioconversion of renewable resources into adipic acid, achieving a remarkable increase in production level.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Sefkan Kendir, Matthias Franzreb
Summary: This study presents a novel approach using magnetic separation to efficiently harvest freshwater microalgae, Chlorella vulgaris. By combining pH-induced calcium phosphate precipitation with cheap natural magnetite microparticles, harvesting efficiencies up to 98% were achieved in the model medium.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Ishaq Kariim, Ji-Yeon Park, Wajahat Waheed Kazmi, Hulda Swai, In-Gu Lee, Thomas Kivevele
Summary: The impact of reaction temperature, residence time, and ethanol: acetone on the energy compositions and yield enhancement of biocrudes was investigated. The results showed that under appropriate conditions, biocrudes with high energy and low oxygen content can be obtained, indicating a high potential for utilization.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Xiyue Zhang, Xiyao Li, Liang Zhang, Yongzhen Peng
Summary: Intermittent aeration is an innovative approach to enhance nitrogen removal in low carbon-to-nitrogen ratio municipal sewage, providing an efficient strategy for the continuous plug-flow AOA process.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Xu Yang, Mahmoud Mazarji, Mengtong Li, Aohua Li, Ronghua Li, Zengqiang Zhang, Junting Pan
Summary: This study investigated the impact of magnetite on the nitrogen cycle of pig manure biostabilisation. The addition of magnetite increased N2O emissions and decreased NH3 emissions during composting. It also increased the total nitrogen content but should be considered for its significant increase in N2O emissions in engineering practice.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Ty Shitanaka, Haylee Fujioka, Muzammil Khan, Manpreet Kaur, Zhi-Yan Du, Samir Kumar Khanal
Summary: The market value of microalgae has exponentially increased in the past two decades, thanks to their applications in various industries. However, the supply of high-value microalgal bioproducts is limited due to several factors, and strategies are being explored to overcome these limitations and improve microalgae production, thus increasing the availability of algal-derived bioproducts in the market.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Martin Kerner, Thorsten Wolff, Torsten Brinkmann
Summary: The efficiency of using enriched CO2 from flue gas for large-scale production of green microalgae has been studied. The results show that the use of membrane devices and static mixers can effectively improve the CO2 recovery rate and maintain the suitable pH and temperature during cultivation, achieving a more economical and sustainable microalgae production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Rui Ma, Ji Li, Rd Tyagi, Xiaolei Zhang
Summary: This review summarizes the microorganisms capable of using CO2 and CH4 to produce PHAs, illustrating the production process, factors influencing it, and discussing optimization techniques. It identifies the challenges and future prospects for developing economically viable PHAs production using GHGs as a carbon source.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Bing Wang, Peng Zhang, Xu Guo, Xu Bao, Junjie Tian, Guomin Li, Jian Zhang
Summary: The addition of zeolite in the co-composting of chicken manure and straw significantly reduced the emissions of ammonia and N2O, and increased the nitrate content. Zeolite also promoted the abundance of nitrification genes and inhibited the expression of denitrification genes.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Rohit Dey, Franziska Ortiz Tena, Song Wang, Josef Martin Messmann, Christian Steinweg, Claudia Thomsen, Clemens Posten, Stefan Leu, Matthias S. Ullrich, Laurenz Thomsen
Summary: This study investigated the operation of a 1000L microalgae-based membrane photobioreactor system for continuous secondary wastewater treatment. The research focused on a green microalgae strain called Desmodesmus sp. The study aimed to understand key trends and optimization strategies by conducting experiments in both summer and winter seasons. The findings showed that maintaining low cell concentrations during periods of light inhibition was beneficial for nutrient uptake rates. Effective strategies for enhancing algae-based wastewater treatment included cell mass recycling and adjusting dilution rates based on light availability.
BIORESOURCE TECHNOLOGY
(2024)
