Article
Environmental Sciences
T. Hien Tran, Anh Hoang Le, T. Huu Pham, La Duc Duong, X. Cuong Nguyen, Ashok Kumar Nadda, Soon Woong Chang, Woo Jin Chung, D. Duc Nguyen, Dinh Thanh Nguyen
Summary: In this study, activated carbon was successfully synthesized from corncobs using hydrothermal carbonization and hydrochemical activation. The activated carbon showed a high specific surface area and oxygenated functional groups, and exhibited a high adsorption capacity for methylene blue. The results indicate that this inexpensive adsorbent derived from corncobs has potential for wastewater treatment.
ENVIRONMENTAL RESEARCH
(2022)
Article
Chemistry, Physical
Jelena Petrovic, Marija Ercegovic, Marija Simic, Dimitrios Kalderis, Marija Koprivica, Jelena Milojkovic, Dragan Radulovic
Summary: Mg-based pyro-hydrochars derived from waste grape pomace, corn cob, and Miscanthus x giganteus were successfully prepared and characterized. These materials exhibited high adsorption capacities for methylene blue and the adsorption process followed pseudo-second order kinetics. The materials can be effectively reused for multiple cycles with minimal loss of efficiency. This study highlights the potential of Mg-doped pyro-hydrochars as sustainable and efficient adsorbents for the removal of methylene blue from polluted wastewaters.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Materials Science, Multidisciplinary
Elham Taghipour, Nemat Tahmasebi
Summary: In this study, MoO3/MoO2 composite nanoparticles were successfully prepared using a one-step hydrothermal method with PVA as a reducing agent. The composite nanoparticles showed a significantly higher adsorption capacity for methylene blue compared to pure MoO3 and MoO2 samples, reaching 95% within 30 minutes. The Langmuir model demonstrated a maximum adsorption capacity of 1250 mg/g for MB on the composite nanoparticles, indicating their potential for practical applications in water treatment.
MATERIALS TODAY COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Wei Zhang, Ping Sun, Xiangyu Wang, Xu Zhang, Lang Ran, Quanlin Zhao, Binze Zou, Lincheng Zhou, Zhengfang Ye
Summary: In this study, a novel adsorbent based on metal-organic frameworks (MOFs) modified by chitosan (CS) and attapulgite (ATP), including ZIF-8@ATP-CS, Zr-MOF@ATP-CS, and Al-MOF@ATP-CS, was reported. Among them, Zr-MOF@ATP-CS demonstrated the highest adsorption capacity for methylene blue (MB) and exhibited excellent stability and regenerability.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Environmental Sciences
Jianping Shang, Yu Jiang, Xiaoping Qin, Bin Zhao, Xuefei Li
Summary: The study modified attapulgite to prepare TiO2/ATP nanocomposite with high catalytic activity for the treatment of printing and dyeing wastewater, showing efficient degradation of methylene blue. Detailed research has been conducted on reaction conditions and kinetics.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2021)
Article
Energy & Fuels
Xian Zhang, Fangyuan Chen, Shiwang Liu, Jian Lou, Wanpeng Liu, Diederik P. L. Rousseau, Stijn Van Hulle
Summary: In this study, hydrochars derived from different biomass sources were synthesized by hydrothermal carbonization and their physicochemical properties and adsorption behavior of methylene blue (MB) were investigated. The results showed that the hydrochars possessed oxygen-containing functional groups and the adsorption process was spontaneous. The adsorption capacity differed among hydrochars from different biomass sources, with the highest capacity observed for Mason pine-derived hydrochar, suggesting its potential application as an adsorbent in wastewater treatment.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Chemistry, Physical
Jianping Shang, Wei Zhang, Zhengliang Dong, Hua-Jun Shawn Fan
Summary: In this study, attapulgite (ATP) was modified with La3+/Cu2+ to obtain La3+/Cu2+-ATP nanocomposites. The catalytic properties of the modified ATP were compared with the original ATP. The optimal reaction conditions for the degradation of methylene blue were determined, and the catalytic activity of the catalyst was evaluated through recycling experiments. The degradation mechanism of methylene blue was speculated and the reaction kinetic equation was obtained.
Article
Engineering, Chemical
Weile Meng, Zeyuan Ma, Jiancheng Shu, Bing Li, Pengxin Su, Rui Wang, Mengjun Chen, Zuohua Liu, Kehua Ai
Summary: In this study, modified phosphorus ore flotation tailings (MPOFTs) were synthesized as an efficient adsorbent to remove MB, showing a high adsorption capacity under specific conditions. The research provides a new method for the resource utilization of phosphorus ore flotation tailings.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Lemya Boughrara, Farouk Zaoui, M'hamed Guezzoul, Fatima Zohra Sebba, Boumediene Bounaceur, Seghier Ould Kada
Summary: This paper studies the use of ester materials prepared by grafting diols with different carbon chain lengths in alginic acid for the adsorption of methylene blue. The results show that the esterified alginic acid has a high adsorption capacity for methylene blue, and an adsorption mechanism is established.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Energy & Fuels
Fatih Guelec, Orla Williams, Emily T. Kostas, Abby Samson, Lee A. Stevens, Edward Lester
Summary: This study provides a comprehensive comparative analysis of the potential of using biochars from different UK-sourced biomass feedstocks to adsorb methylene blue dye. The results show that seaweed-based biochars have a higher adsorption capacity, while whitewood-based biochars have relatively lower adsorption levels. Kinetic models and adsorption isotherms suggest that seaweed-based biochars may offer a thermodynamically favorable process for removing methylene blue.
Article
Chemistry, Applied
Zhe Zhang, Lei Xu, Yani Liu, Runtian Feng, Tong Zou, Yuanshuo Zhang, Yuru Kang, Pengxin Zhou
Summary: Activated carbon synthesized from thermally activated phosphoric acid-treated mangosteen peels shows excellent adsorption performance for methylene blue through physical adsorption. The optimal preparation conditions are a 1:3 impregnation ratio, activation for 60 minutes at 450 degrees Celsius.
MICROPOROUS AND MESOPOROUS MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
M. Andrade-Guel, C. Cabello-Alvarado, R. L. Romero-Huitzil, O. S. Rodriguez-Fernandez, C. A. Avila-Orta, G. Cadenas-Pliego, D. Medellin-Banda, C. Gallardo-Vega, J. Cepeda-Garza
Summary: The study delved into the synthesis and application of polymeric nanocomposite materials, showing that the sample treated for 120 minutes exhibited the highest degree of modification. Adsorption tests revealed that the chemically modified nanoclay with 5% weight by weight had the best removal rate for uremic toxins and methylene blue.
Article
Chemistry, Physical
Hassan M. A. Hassan, M. R. El-Aassar, Mohammed A. El-Hashemy, Mohamed A. Betiha, Meshal Alzaid, Almaha N. Alqhobisi, Linah A. Alzarea, Ibrahim Hotan Alsohaimi
Summary: A superior magnetic graphene oxide functionalized with sulfanilic acid (Fe3O4@GO@SA) was successfully fabricated and demonstrated excellent adsorption performance for methylene blue dye removal. The material was characterized by various techniques and showed promising potential for future environmental management.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Energy & Fuels
Bhagavathi Pushpa Thillainayagam, Radha Nagalingam, Praveen Saravanan
Summary: Industrialization helps advance technology but also leads to serious environmental pollution, with textile industry being a major concern. Research shows that biochar produced from Chlorella vulgaris microalgal biomass can effectively remove dyes from wastewater.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Chemistry, Analytical
Du Hailing, Zhang Yingshuang, Wang Hui, Jiang Hongru, Yang Yabin
Summary: This study investigated the interaction between microplastics and dye pollutants, focusing on the adsorption of methylene blue (MB) on different types of microplastics. The adsorption capacity of MB on microplastics was influenced by factors such as pH, salinity, humic acid, temperature, and particle size, with different types of microplastics showing varied adsorption capabilities. The adsorption process was found to be monolayer chemisorption, influenced by electrostatic interaction, CH/pi interaction, polar interaction, halogen bonding, and pi-pi interaction. The presence of NaCl and humic acid competed with MB for adsorption sites, and high temperature promoted adsorption on PVC and PMMA but inhibited adsorption on PS. In the natural aquatic environment (Xiang River), the adsorption capacities of MB on microplastics were significantly reduced.
ENVIRONMENTAL CHEMISTRY
(2022)
Article
Polymer Science
Yan Liu, Yongfeng Zhu, Yongsheng Wang, Xicun Wang, Li Zong, Aiqin Wang
Summary: A novel degradable superabsorbent polymer (SAP) was successfully prepared through grafting polymerization, and its properties were systematically studied. The results showed that the SAP exhibited excellent water absorption capabilities and degraded significantly, suggesting its great potential in modern agriculture.
Article
Nanoscience & Nanotechnology
Fangfang Yang, Yameng Song, Aiping Hui, Bin Mu, Aiqin Wang
Summary: The rapid development of antibiotic resistance is a major threat to public health. Nanomaterials, particularly ZnO nanocrystal clusters, have shown excellent bactericidal ability. The clusters, formed through a green structure-tuning synthesis process, exhibited superior performance in killing Escherichia coli and Staphylococcus aureus. The antibacterial action is attributed to increased contact with bacteria, the release of small ZnO nanoparticles, and the generation of reactive oxygen species, which damage the bacterial cell membrane. In addition, the attachment of phenolic compounds from olive leaf extract enhances the antibacterial activity of ZnO clusters. This study presents a feasible and clean strategy for improving the structure-bioactivity relationship of ZnO and highlights the potential of ZnO clusters in antibacterial applications due to their excellent performance and green fabrication method.
ACS APPLIED BIO MATERIALS
(2023)
Article
Engineering, Chemical
Yushen Lu, Fangzhi Duan, Yongfeng Zhu, Aiqin Wang
Summary: Recycling waste into efficient adsorbents provides a compatible solution for sustainable water resources. Mixed metal oxides (MMOs) were successfully obtained from oxalic acid leaching mixed-dimensional palygorskite clay wastewater through a simple precipitation-calcination process. The MMOs exhibited high adsorption capacities for the anionic dye Congo red (CR) and the cationic dye Methyl violet (MV), with ultrahigh capacity for CR in the Mg-Al-Fe MMO obtained at pH 13 with thorough washing and higher removal capacities for MV in the MMOs containing Fe3O4, sodium carbonate, and carbon byproducts. The study highlights the sustainable utilization of mineral resources and water resources.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2023)
Article
Chemistry, Inorganic & Nuclear
Yameng Song, Fangfang Yang, Bin Mu, Yuru Kang, Aiping Hui, Aiqin Wang
Summary: A novel Ag NPs /attapulgite (Ag NPs/APT) nanocomposite was synthesized through a green approach mediated by olive leaf extract to achieve good stability and dispersion of silver nanoparticles (Ag NPs) and improve its antibacterial activity and bio-friendliness. The nanocomposite showed smaller and uniformly distributed Ag NPs on the surface of APT nanorods, enhancing its antibacterial activities. The nanocomposite exhibited strong antibacterial performance against E. coli and low cytotoxicity to mouse fibroblasts L-929, making it a promising material in the antibacterial field.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Green & Sustainable Science & Technology
Fangzhi Duan, Yongfeng Zhu, Hui Yu, Aiqin Wang
Summary: In recent years, porous adsorption materials have received extensive attention in environmental remediation. However, green preparation and effective post-treatment are still the main challenges in practical applications. In this study, a novel porous adsorbent was successfully fabricated from aqueous foams templates stabilized by natural plant Sapindus mukorossi (S. mukorossi) and nano-clay attapulgite (APT) via a thermally-initiated polymerization. The as-prepared porous adsorbent exhibited abundant interconnected pore structures and demonstrated excellent adsorption properties for chlortetracycline hydrochloride (CTC) and tetracycline hydrochloride (TC), with a maximum adsorption capacity of 620 mg/g and 538 mg/g, respectively. After adsorption, the waste porous adsorbent was converted into carbon/APT material through anaerobic calcination. At a carbonization temperature of 400 degrees C, carbon/APT with large amounts of negative charges and oxygen-containing functional groups exhibited a good adsorption capacity for Cd2+ and showed potential as a soil remediation agent.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Green & Sustainable Science & Technology
Hao Yang, Bin Mu, Li Zong, Yingjie Zhu, Aiqin Wang
Summary: Cleaner and value-added utilization of tailings or natural mineral resources is becoming increasingly important in the context of green and sustainable development. A novel environmental-friendly preparation process for cobalt blue pigments was developed using dolomite-induced mechanochemical technology and kaolin tailing sand. The resulting composite pigments exhibited excellent color performance and environmental stability, as well as good application performance. This innovative and cleaner technology can not only reduce cobalt consumption, but also promote the resource utilization of kaolin tailing sand and dolomite.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Engineering, Chemical
Juan Zhai, Hengyang Mao, Shouyong Zhou, Lei Zhou, Changyu Wang, Meisheng Li, Yijiang Zhao, Qi Zhang, Aiqin Wang, Zhentao Wu
Summary: Super-wetting membranes with catalytic performance were fabricated using Fe3O4-loaded attapulgite (FATP) nanofibers. These membranes possess hydrophilicity and micro-nano roughness, which resist oil fouling and act as a catalyst for the Fenton-like reaction. During oil-in-water filtration, more than 99.5% of oil droplets can be rejected, and membrane permeance remains at 62% of its initial value. After hydraulic cleaning, the permeance recovers to 85%, and the remaining 10.9% can be restored through the Fenton-like reaction. This study provides insights into the catalytic mechanism of membranes after oil fouling.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Shue Li, Penji Yan, Bin Mu, Yuru Kang, Aiqin Wang
Summary: This study focuses on the preparation, characterization, and multifunctional properties of intelligent hybrid nanopigments. These hybrid nanopigments were fabricated based on natural Monascus red, surfactant, and sepiolite through a simple grinding process. The obtained hybrid nanopigments exhibited excellent antibacterial and antioxidant properties, with enhanced interactions between Monascus red and sepiolite. Furthermore, by combining hybrid nanopigments with fluorinated polysiloxane, gas-sensitive reversible alochroic superamphiphobic coatings were successfully designed with excellent thermal and chemical stability. Therefore, these intelligent multifunctional hybrid nanopigments have great potential applications in related fields.
Article
Green & Sustainable Science & Technology
H. Yu, Y. Zhu, F. Duan, A. Wang
Summary: Researchers have pursued cleanliness and environmental friendliness in the fabrication, adsorption, and regeneration of adsorbent materials. A novel and eco-friendly porous material was successfully fabricated using Pickering aqueous foam, and it was applied for the removal of organic pollutants. The Pickering foam showed excellent stability and was synergistically stabilized by natural nanomaterials attapulgite and gallnut. The adsorbent exhibited excellent adsorption capacities and could be cyclically utilized through carbonization regeneration. This work provides a sustainable and eco-friendly approach, with potential practical applications due to its outstanding adsorption performance and reusability.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Agricultural Engineering
Xinquan Deng, Fangzhi Duan, Yongfeng Zhu, Aiqin Wang, Yian Zheng
Summary: In this study, a highly porous adsorbent was successfully fabricated using a green and stable water-based foam template. The adsorbent, stabilized with agricultural waste quinoa husk, showed high adsorption capacity for dye pollutants in wastewater. A sustainable method for handling the spent adsorbent by converting it into biochar was proposed. Additionally, the biochar was observed to effectively improve soil properties and enhance crop growth.
BIORESOURCE TECHNOLOGY
(2023)
Article
Engineering, Environmental
Fangzhi Duan, Yongfeng Zhu, Hong Zhang, Yushen Lu, Aiqin Wang
Summary: In recent years, attapulgite (APT) has gained wide attention in stabilizing Pickering foam due to its excellent properties. This study investigated the properties of Pickering foam stabilized by APT with structural evolution using oxalic acid and Sapindus mukorossi. The results showed that APT with intact crystal structures had excellent removal rate at low concentration dye, while APT with large crystal defects had advantages in adsorption at high concentration dye. Furthermore, the waste adsorbents were used to prepare soil conditioner, improving the pH, cation exchange capacity, and electrical conductivity of the soil.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Nanoscience & Nanotechnology
Xiaowen Wang, Bin Mu, Shue Li, Yushen Lu, Aiqin Wang
Summary: To accelerate the construction of an energy and resource-saving, environmentally friendly society, the development of low-cost and high-performance colorful near-infrared reflective inorganic pigments is necessary. In this study, kaolinite-based BiVO4 hybrid pigments were prepared using a cleaner mechanochemical method. These pigments exhibited brilliant color properties and high reflectance, holding potential as nanofillers for cooling roofing materials.
Article
Green & Sustainable Science & Technology
Y. Lu, Q. Zhang, B. Mu, A. Wang
Summary: In this study, functional Zn-based mixed metal oxides (Zn-MMOs) were fabricated using a ZnO-assisted hydrothermal coprecipitation method with spent metal ions from acid-leached clay for antibiotic and microorganism removal from water. The results demonstrated that the composition, micro-structure, adsorption, and antibacterial activity of Zn-MMOs were influenced by the amount of ZnO added. Zn-MMOs showed high adsorption capabilities for tetracycline and chlortetracycline, as well as comparable antibacterial activity to commercial ZnO, making them effective for eliminating microbial contaminants in water. This work offers a collaborative solution for waste resource utilization and wastewater pollution treatment, contributing to the promotion of green economy and sustainable development.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Materials Science, Biomaterials
Junli Liu, Jiahao Shen, Yile Wang, Chenfeng Dong, Jin Liu, Yunxiao Yi, Hui Liu, Yan Bao, AiPing Hui, Aiqin Wang
Summary: By modifying polydopamine (PDA) on the surface of molybdenum disulfide (MoS2), small-sized copper nanoparticles were grown uniformly to form MoS2/PDA@Cu nanozyme. This nanozyme exhibited excellent peroxidase-like activity and antibacterial properties, showing a more pronounced inhibitory effect on bacterial growth with the addition of H2O2. The maximum reaction rate (V-max) of the MoS2/PDA@Cu nanozyme is significantly higher than that of horseradish peroxidase (HRP), and it also demonstrated excellent biocompatibility, hemocompatibility, and potential anticancer properties.
BIOMATERIALS SCIENCE
(2023)
Review
Materials Science, Biomaterials
Yinfeng Yang, Xiaomei Wang, Fangfang Yang, Bin Mu, Aiqin Wang
Summary: This review summarizes the hemostatic mechanisms of natural clay minerals based on their nanostructures, reviews the latest research progress for clay minerals-based hemostatic hybrid and nanocomposite materials, and discusses the challenges and developments in this field.
BIOMATERIALS SCIENCE
(2023)
