Article
Environmental Sciences
Ye Tang, Ye Li, Lu Zhan, Dong Wu, Suhua Zhang, Ruirui Pang, Bing Xie
Summary: The alkali-modified biochar proved to be effective in removing emerging contaminants from complex kitchen wastewater systems, demonstrating high adsorption capacities and being mainly controlled by chemisorption and monolayer adsorption. Initial pH values had significant effects on the adsorption of some contaminants, while environmental factors had minimal impact.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Zeeshan Haider Jaffari, Heewon Jeong, Jaegwan Shin, Jinwoo Kwak, Changgil Son, Yong-Gu Lee, Sangwon Kim, Kangmin Chon, Kyung Hwa Cho
Summary: In this study, ten tree-based machine learning models were used to accurately predict the adsorption capacity of biochar materials. The CatBoost model performed the best, outperforming all other models.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
Debirupa Mitra, Changlu Zhou, Muhammad Hafiz Bin Hashim, Tai Ming Hang, Karina Yew-Hoong Gin, Chi-Hwa Wang, Koon Gee Neoh
Summary: The occurrence of emerging organic contaminants in surface waters poses a global concern due to their potential toxicity to both human and aquatic life. Acid-leached carbon black waste has shown to be a potential adsorbent for the removal of target EOCs.
Article
Environmental Sciences
Oshadi Hettithanthri, Anushka Upamali Rajapaksha, S. Keerthanan, Sammani Ramanayaka, Meththika Vithanage
Summary: The present research examined the capacity of disc-milled high lignin biochar colloids (CBC) for the removal of ciprofloxacin (CPX) and found that CBC demonstrated effective removal of CPX, indicating its potential in wastewater treatment. The study also investigated the impact of factors such as initial pH, ionic strength, resident time, initial CPX concentration, and temperature on the adsorption of CPX on CBC, and studied the adsorption mechanisms.
Review
Environmental Sciences
Ning Cheng, Bing Wang, Pan Wu, Xinqing Lee, Ying Xing, Miao Chen, Bin Gao
Summary: Emerging contaminants (ECs), relatively low-concentration but high-toxicity pollutants in the environment, have attracted widespread attention in recent years. Biochar, as a low-cost and high-efficiency adsorbent, has been used to treat ECs in water. There are numerous reports on the removal of ECs from water by modified biochar.
ENVIRONMENTAL POLLUTION
(2021)
Article
Agricultural Engineering
Ivan Kozyatnyk, Pierre Oesterle, Christian Wurzer, Ondrej Masek, Stina Jansson
Summary: The adsorption efficiency of six CECs onto activated biochars from different lignocellulosic feedstocks was influenced by the porosity and ash content of the biochars as well as the hydrophobic properties of the CECs. The study found that activated wheat straw biochar with high ash content showed the highest adsorption for caffeine and chloramphenicol, while activated softwood biochar with well-developed mesoporosity and low ash content exhibited the highest adsorption for bisphenol A and triclosan.
BIORESOURCE TECHNOLOGY
(2021)
Article
Environmental Sciences
Dong Hao, Yingfan Chen, Ying Zhang, Nan You
Summary: This study investigated the adsorptive removal mechanism of three tetracycline antibiotics from aqueous solutions by zero-valent iron@biochar nanocomposites prepared using hazelnut shell as the carbon source. The experimental results showed that under optimized conditions, the nanocomposite exhibited high removal efficiencies of up to 95% for oxytetracycline and chlortetracycline, indicating potential applications in antibiotic removal.
Article
Environmental Sciences
Andrea Rivas -Sanchez, Angelica Cruz-Cruz, Guillermo Gallareta-Olivares, Reyna Berenice Gonzalez-Gonzalez, Roberto Parra-Saldivar, Hafiz M. N. Iqbal
Summary: Carbon-based materials, including graphene oxide (GO), carbon nanotubes (CNTs), and mesoporous silica nanocomposite (MSN), can be combined and modified with alginate (Alg) for environmental remediation. This study highlights the synergies of GO, CNTs, and MSN with Alg in mitigating emerging pollutants and suggests further investigations to fully exploit Alg's versatility.
Review
Engineering, Environmental
Julide Kahkeci, Mohamed Gamal El-Din
Summary: This review highlights the excellent performances of biochar supported photocatalysts (BSPs) in various applications and identifies the gaps in the existing literature regarding the variables affecting the performance of these composites. It emphasizes the importance of selecting suitable photocatalyst and biochar materials and understanding the relationship between biochar adsorption/electron exchange capacities and enhanced photocatalytic capabilities. The review also emphasizes the role of material properties, synthesis methods, and loading ratios in determining the morphology, crystal structure, and performance of photocatalysts.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
Xiaoqiang Cui, Jiangtao Wang, Xutong Wang, Guiyue Du, Kiran Yasmin Khan, Beibei Yan, Zhanjun Cheng, Guanyi Chen
Summary: This study investigated the pyrolysis of exhausted hydrochar sorbent and found that the vaporization of adsorbed Cd in hydrochar can be greatly enhanced by elevating pyrolysis temperature. The regenerated biochar showed higher Cd sorption capacity compared to the raw hydrochar, and the toxicity and mobility of Cd were greatly reduced after pyrolysis.
Article
Engineering, Environmental
Binliang Wang, Junli Zheng, Yingying Li, Adel Zaidi, Yiwei Hu, Baowei Hu
Summary: The utilization of filamentous green algae biochar for uranium (U(VI)) removal is a sustainable and efficient method, with 8-MnO2 modification biochar showing higher adsorption capacity and stability.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Green & Sustainable Science & Technology
Jaimy Scaria, Ashitha Gopinath, N. Ranjith, Vyshakh Ravindran, Safar Ummar, P. Nidheesh, M. Suresh Kumar
Summary: This review discusses the applicability of carbonaceous materials for the removal of emerging contaminants (ECs) from aquatic environments. The versatility of carbonaceous materials as adsorbents and catalysts for ECs removal is highlighted. The mechanistic aspects and catalytic properties of carbonaceous materials for ECs removal are also discussed.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Engineering, Environmental
Anchal Sharma, Nitin Kumar, Ackmez Mudhoo, Vinod Kumar Garg
Summary: Nanotechnology based on phytobiomass is a promising technique for wastewater treatment due to its eco-friendly nature, ease of application, and cost-effectiveness. By utilizing plant parts and agricultural waste, nanoadsorbents with unique properties can be synthesized for the removal of emerging contaminants from contaminated water. This review aims to summarize the current research progress in using these nanoadsorbents for the purification of aqueous emerging contaminants.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Review
Chemistry, Multidisciplinary
Raner Ma, Yinghao Xue, Qian Ma, Yanyan Chen, Shiyin Yuan, Jianwei Fan
Summary: Antibiotics, as an environmental concern, have gained widespread attention due to their dispersion, bioaccumulation, and resistance. Traditional wastewater treatment methods are not effective in completely removing antibiotics, hence adsorption and photocatalysis using carbon-based materials such as graphene, carbon nanotube, biochar, and hierarchical porous carbon have been proven to be promising in antibiotic removal. This review provides an overview of these carbonaceous materials, their applications, mechanisms, and future research needs.
Review
Environmental Sciences
S. Rangabhashiyam, Pollyanna dos Santos Lins, Leonardo M. T. de Magalhaes Oliveira, Pamela Sepulveda, Joshua O. Ighalo, Anushka Upamali Rajapaksha, Lucas Meili
Summary: This review provides an up-to-date overview of sewage sludge pyrolysis, focusing on the production of valuable biochar. It discusses the physio-chemical characteristics of sewage-sludge derived biochar and its potential for removing pollutants from water through adsorption. The review also highlights the need for further research on the technological features and sustainability aspects of this promising material.
ENVIRONMENTAL POLLUTION
(2022)
Article
Agricultural Engineering
Muhammad Ahmar Siddiqui, Basanta Kumar Biswal, Mubbshir Saleem, Dao Guan, Asad Iqbal, Di Wu, Samir Kumar Khanal, Guanghao Chen
Summary: Anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) have gained attention as an alternative to conventional anaerobic membrane bioreactors (AnMBRs) due to their high flux, low fouling propensity, and cost-effectiveness. Previous studies have focused on lab-scale research to optimize performance, with microbial analysis revealing dominant bacteria phyla in bulk sludge and cake biofilm, but lower abundance in biocake. Critical reviews of AnSFDMBR fundamentals, operational conditions, and potential applications emphasize the need for future research on membrane module optimization, surface modification, and microbial enrichment to design efficient systems for diverse wastewater treatment.
BIORESOURCE TECHNOLOGY
(2021)
Review
Biotechnology & Applied Microbiology
Basanta Kumar Biswal, Kuppusamy Vijayaraghavan, Max Gerrit Adam, Daryl Lee Tsen-Tieng, Allen P. Davis, Rajasekhar Balasubramanian
Summary: Bioretention systems are effective low-impact development technologies that can manage high runoff volumes and reduce nitrogen pollutants through various mechanisms. Denitrification is the major pathway of permanent nitrogen removal and factors like multilayer biofilter media and wet storm events can significantly improve nitrogen removal efficiency.
CRITICAL REVIEWS IN BIOTECHNOLOGY
(2022)
Article
Agricultural Engineering
Muhammad Ahmar Siddiqui, Basanta Kumar Biswal, Buddhima Siriweera, Guanghao Chen, Di Wu
Summary: The study found that the MABR reactor equipped with SFDM filtration module performed better in terms of nitrogen removal and suspended solid removal, showing more advantages compared to the one without SFDM. The difference in microbial community composition and abundance between the two systems led to variations in reactor performance.
BIORESOURCE TECHNOLOGY
(2022)
Article
Agricultural Engineering
Muhammad Ahmar Siddiqui, Basanta Kumar Biswal, Philippe M. Heynderickx, Jeonghwan Kim, Samir Kumar Khanal, Guanghao Chen, Di Wu
Summary: This study investigated the application of an anaerobic dynamic membrane bioreactor coupled with sulfate reduction (SrDMBR) for high-salinity and high-sulfate wastewater treatment. The results showed that dynamic membrane could rapidly form after each backwashing cycle, achieving high organic removal and sulfate reduction rates. Additionally, it was found that the microbial communities enriched in the sludge were different from those on the dynamic layer.
BIORESOURCE TECHNOLOGY
(2022)
Review
Engineering, Environmental
Basanta Kumar Biswal, Kuppusamy Vijayaraghavan, Daryl Lee Tsen-Tieng, Rajasekhar Balasubramanian
Summary: Biochar is increasingly being used as a filter medium in engineered low impact development systems for decontaminating urban stormwater and managing hydrology. Biochar-amended biofiltration systems efficiently remove diverse pollutants such as total nitrogen, total phosphorus, heavy metals, organics, and microbial pollutants from urban runoff. The variation in performance is due to changes in biochar characteristics, dissolved organic matter abundance, and stormwater chemistry.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Review
Environmental Sciences
Basanta Kumar Biswal, Rajasekhar Balasubramanian
Summary: Constructed wetland systems utilizing natural substrates, plants, and microbes have shown to be cost-effective and sustainable for water treatment. This review critically analyzes the recent advances in applying these systems for pollutant removal and discusses key factors influencing their performance. Constructed wetland systems exhibit good performance in removing diverse pollutants through physical, chemical, and biological processes. The review also highlights the need for further research in developing multifunctional constructed wetland systems.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2022)
Review
Engineering, Environmental
Basanta Kumar Biswal, Nanthi Bolan, Yong-Guan Zhu, Rajasekhar Balasubramanian
Summary: In recent years, there has been increasing focus on the use of Nature-based systems (NbS) to mitigate environmental pollution in cities. NbS, including bioretention systems, green roofs, and constructed wetlands, are widely adopted for stormwater management and reducing air pollution. However, there is a lack of holistic understanding about the range of ecosystem services, multi-functionality, and contribution to urban circularity of NbS. Laboratory studies, numerical simulations, and guidelines for effective use of NbS are needed to fully assess their potential in removing environmental pollutants and supporting sustainable urban development.
RESOURCES CONSERVATION AND RECYCLING
(2022)
Article
Agricultural Engineering
Shihao Xi, Xinlei Dong, Qingshan Lin, Xiang Li, Jie Ma, Feixiang Zan, Basanta Kumar Biswal, Mukesh Kumar Awasthi, Zongping Wang, Guanghao Chen, Gang Guo
Summary: Electrochemical pretreatment (EPT) is an efficient technology to improve volatile fatty acids (VFAs) production from anaerobic fermentation of waste activated sludge (WAS). This study examined the combined effects of different current intensities, electrolyte NaCl dosage, and pretreatment time on VFAs production. The results showed that VFAs production was significantly increased by 51.6% when EPT was conducted at 1.0 A, 1.0 g/L, and 60 min. Response surface methodology determined the optimal EPT conditions to be 1.0 A, 1.2 g/L, and 66 min. The potential mechanisms involved enhanced solubilization and hydrolysis of WAS and selective inactivation of methanogens, leading to the enrichment of acidogenic bacteria and increased VFAs production.
BIORESOURCE TECHNOLOGY
(2023)
Article
Environmental Sciences
Lokesh P. Padhye, Tahereh Jasemizad, Shiv Bolan, Olga Tsyusko, Jason M. Unrine, Basanta Kumar Biswal, Rajasekhar Balasubramanian, Yingyu Zhang, Tao Zhang, Jian Zhao, Yang Li, Joerg Rinklebe, Hailong Wang, Kadambot H. M. Siddique, Nanthi Bolan
Summary: Silver is a rare and precious metal found in minerals and released into the environment through weathering and mining activities. It also enters the environment through manufacturing and use of silver compounds. Silver nanoparticles have become a significant source of anthropogenic silver in the environment. Most silver in soil and water is sorbed to particles and precipitated as various compounds. Humans and animals can be exposed to silver through inhalation and consumption of contaminated food and water. Remediation of silver-contaminated soil and water can be achieved through immobilization and mobilization processes. This review provides an overview of the sources, geochemistry, health hazards, remediation practices, and regulatory mandates of silver contamination in complex environmental settings, and discusses knowledge gaps and research priorities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Chemistry, Multidisciplinary
Bei Zhang, Basanta Kumar Biswal, Jingjing Zhang, Rajasekhar Balasubramanian
Summary: The hydrothermal process is an emerging technology that converts biomass feedstocks into solid, liquid, and gaseous products using hot compressed water. This review discusses the properties of biomass feedstocks, the transformation pathways, the role of hydrothermal process in biomass conversion, and the sustainability assessments of hydrothermal processes. It also offers perspectives for transitioning to a biobased society in the context of changing climate.
Article
Environmental Sciences
Boyi Cheng, Da Zhang, Qingshan Lin, Shihao Xi, Jie Ma, Feixiang Zan, Basanta Kumar Biswal, Zongping Wang, Gang Guo
Summary: Recently, there has been increasing focus on the recovery of resources and energy, such as short-chain fatty acids (SCFAs) and phosphorus (P), from waste active sludge (WAS) under the Dual carbon goals. This study compared four thiosulfate-assisted Fe2+/persulfate (TAFP) pretreatments of WAS, followed by anaerobic fermentation for SCFA production and P recovery. The results showed that TAFP pretreatments enhanced WAS disintegration and promoted SCFA production, and also improved P bioavailability. Economic evaluation further confirmed the cost-effectiveness of ex-situ TAFP pretreatment for SCFA production and P recovery from WAS.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Microbiology
Basanta Kumar Biswal, Rajasekhar Balasubramanian
Summary: With the increasing use of lithium-ion batteries (LIBs), there is a growing amount of spent LIBs generated. These spent LIBs contain valuable metals such as cobalt (Co) and lithium (Li) which are in high demand but limited supply. In order to avoid environmental pollution and recover these valuable metals, recycling of spent LIBs using bioleaching methods is being explored. This review focuses on recent advancements in utilizing bacterial and fungal agents for the extraction of Co and Li from the solid matrix of spent LIBs. Both bacterial and fungal leaching are effective in dissolving metals from spent LIBs, with Li having a higher dissolution rate than Co. The performance of bioleaching depends on both the microbial agents and various abiotic factors. Overall, this review is important for the development of efficient and sustainable bioleaching processes to recover Co and Li from spent LIBs and achieve circular economy.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Environmental Sciences
Shuyue Yan, Basanta Kumar Biswal, Rajasekhar Balasubramanian
Summary: This study compared the adsorption characteristics of a common biodegradable microplastic (PLA) with three non-biodegradable plastics (PE, PP, and PVC) for six heavy metals (Cd2+, Cu2+, Cr3+, Ni2+, Pb2+, and Zn2+). The results showed that biodegradable microplastics contained more toxic heavy metals than some non-biodegradable plastics, with Cr3+ having the strongest adsorption capacity. Additionally, biodegradable microplastics released a higher percentage of heavy metals in a shorter time in an acidic environment. This study provides insights into the interactions and removal mechanisms of microplastics with heavy metals in aquatic environments.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Review
Engineering, Environmental
Basanta Kumar Biswal, Rajasekhar Balasubramanian
Summary: Adsorption technology, particularly using biochar as an adsorbent, has shown promising results in removing heavy metals from water and wastewater systems. The effectiveness of biochar-based adsorption relies on factors such as water chemistry, contact time, adsorbent dose, and environmental parameters. The key mechanisms behind heavy metal adsorption onto biochar include precipitation and ion exchange. This review highlights the sustainable nature of biochar-based adsorption and identifies areas for further research and improvement.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Green & Sustainable Science & Technology
Lars odegaard Bentsen, Narada Dilp Warakagoda, Roy Stenbro, Paal Engelstad
Summary: This study investigates uncertainty modeling in wind power forecasting using different parametric and non-parametric methods. Johnson's SU distribution is found to outperform Gaussian distributions in predicting wind power. This research contributes to the literature by introducing Johnson's SU distribution as a candidate for probabilistic wind forecasting.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Xing Liu, Qiuchen Wang, Yunhao Wen, Long Li, Xinfang Zhang, Yi Wang
Summary: This study analyzes the characteristics of process parameters in three lean gas ethane recovery processes and establishes a prediction and multiobjective optimization model for ethane recovery and system energy consumption. A new method for comparing ethane recovery processes for lean gas is proposed, and the addition of extra coolers improves the ethane recovery. The support vector regression model based on grey wolf optimization demonstrates the highest prediction accuracy, and the multiobjective multiverse optimization algorithm shows the best optimization performance and diversity in the solutions.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Cairong Song, Haidong Yang, Xian-Bing Meng, Pan Yang, Jianyang Cai, Hao Bao, Kangkang Xu
Summary: The paper proposes a novel deep learning-based prediction framework, aTCN-LSTM, for accurate cooling load predictions. The framework utilizes a gate-controlled multi-head temporal convolutional network and a sparse probabilistic self-attention mechanism with a bidirectional long short-term memory network to capture both temporal and long-term dependencies in the cooling load sequences. Experimental results demonstrate the effectiveness and superiority of the proposed method, which can serve as an effective guide for HVAC chiller scheduling and demand management initiatives.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Zhe Chen, Xiaojing Li, Xianli Xia, Jizhou Zhang
Summary: This study uses survey data from the Loess Plateau in China to evaluate the impact of social interaction on the adoption of soil and water conservation (SWC) technology by farmers. The study finds that social interaction increases the likelihood of farmers adopting SWC, and internet use moderates this effect. The positive impact of social interaction on SWC adoption is more pronounced for farmers in larger villages and those who join cooperative societies.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Chenghua Zhang, Yunfei Yan, Kaiming Shen, Zongguo Xue, Jingxiang You, Yonghong Wu, Ziqiang He
Summary: This paper reports a novel method that significantly improves combustion performance, including heat transfer enhancement under steady-state conditions and adaptive stable flame regulation under velocity sudden increase.
JOURNAL OF CLEANER PRODUCTION
(2024)
