Review
Environmental Sciences
Hefei Sun, Yan Lin, Hagio Takeshi, Xinze Wang, Deyi Wu, Yanqin Tian
Summary: Studies have shown that materials based on 3D graphene can serve as ideal adsorbents for pollutants and have great potential in wastewater treatment.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Chemistry, Inorganic & Nuclear
Md. Ahmaruzzaman
Summary: MXenes, as a rapidly developing 2D material, show great potential in removing various pollutants. This review discusses the recent advancements in MXene adsorption for environmental remediation and the efficiency improvement through surface modification.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Chemistry, Inorganic & Nuclear
Md Ahmaruzzaman
Summary: This review discusses the adsorption properties of MXene on various pollutants and the effects of surface modification on pollutant removal. Mechanisms and kinetics of adsorption are also explored. Future perspectives for young researchers are addressed.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Polymer Science
Kayee Chan, Kohki Morikawa, Nobuyuki Shibata, Anatoly Zinchenko
Summary: DNA-chitosan hydrogel exhibits efficient adsorption of heavy metal ions and dyes, as well as pharmaceuticals under certain conditions. The hydrogel's multitarget adsorption characteristics make it promising for environmental cleaning applications.
Article
Chemistry, Physical
Ioannis Anastopoulos, Muthanna J. Ahmed, Esam H. Hummadi
Summary: This article provides a comprehensive review on the application of Eucalyptus-based adsorbents for the removal of heavy metal and dye pollutants from waste (water). It discusses the preparation of adsorbents using different parts of Eucalyptus and their efficient removal of various toxic and carcinogenic pollutants. The article also considers the regeneration and adsorption performance of the adsorbents, as well as the mechanisms involved, and presents future prospects for the use of Eucalyptus-based adsorbents in water treatment.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
Talia Tene, Stefano Bellucci, Marco Guevara, Edwin Viteri, Malvin Arias Polanco, Orlando Salguero, Eder Vera-Guzman, Sebastian Valladares, Andrea Scarcello, Francesca Alessandro, Lorenzo S. Caputi, Cristian Vacacela Gomez
Summary: In this study, pristine reduced graphene oxide (rGO) was used to remove cationic pollutants from water, such as methylene blue and mercury ions. The pristine rGO showed high adsorption capacity and short adsorption time, and exhibited a mixed physisorption-chemisorption process. These findings provide a new perspective for the removal of cationic pollutants using oxidized graphene materials.
Review
Chemistry, Multidisciplinary
Biswa R. Patra, Alivia Mukherjee, Sonil Nanda, Ajay K. Dalai
Summary: Rising global population and urbanization have led to increased waste generation, energy demand and carbon emissions, necessitating the development of new energies and carbon sequestration methods. Thermal valorization of waste biomass to produce biochar shows promising environmental applications.
ENVIRONMENTAL CHEMISTRY LETTERS
(2021)
Article
Environmental Sciences
Andrew N. Amenaghawon, Chinedu L. Anyalewechi, Handoko Darmokoesoemo, Heri Septya Kusuma
Summary: Hydroxyapatite (HAp) is a versatile material used primarily in bone regeneration and has emerged as a promising adsorbent for sequestering contaminants from wastewater, such as heavy metals and dyes. Research on HAp-based adsorbents for treating heavy metal- and dye-contaminated wastewater has become increasingly popular due to its eco-friendliness and unique adsorption properties. Studies have shown that HAp-based adsorbents are effective in sequestering heavy metals and dyes from solution, providing a low-cost option for adsorptive wastewater treatment.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Materials Science, Multidisciplinary
A. Paton-Carrero, P. Sanchez, L. Sanchez-Silva, A. Romero
Summary: The study evaluated four graphene-based materials with different properties and structures, demonstrating their excellent adsorption rate and potential to reduce the environmental impact of industry on nature.
MATERIALS TODAY COMMUNICATIONS
(2022)
Review
Chemistry, Multidisciplinary
Pei Lay Yap, Julker Nine, Kamrul Hassan, Tran Thanh Tung, Diana N. H. Tran, Dusan Losic
Summary: This review establishes the structure-function-performance relationship between graphene-based sorbents and multiple water pollutants, uncovers the correlation between adsorption properties of sorbents and pollutant removal efficiency, and elaborates on the rational design of advanced multipollutant sorbents based on graphene. Finally, it presents the reality, challenges, and opportunities of using advanced graphene materials as emerging sorbents for sustainable water purification technology.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Haya A. Abubshait, Ahmed A. Farag, Mohamed A. El-Raouf, Nabel A. Negm, Eslam A. Mohamed
Summary: This study focused on the removal of Cu2+ and Pb2+ metal ions from aqueous solution using modified graphene oxide-thiosemicarbazide (mGO-TSC) nanocomposite. The results showed that immersion time and adsorbent amount significantly influenced the adsorption efficiency, while initial metal ion concentration and pH of the medium also played important roles. Adsorption followed Freundlich adsorption isotherms and pseudo-second-order kinetic model through inter-particle diffusion mechanism. The modified adsorbent (mGO-TSC) exhibited effective reusability for multiple rounds with high adsorption efficiency for both Cu2+ and Pb2+.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Review
Materials Science, Multidisciplinary
Saeideh Alipoori, Hadi Rouhi, Emily Linn, Hannah Stumpfl, Hadi Mokarizadeh, Milad Rabbani Esfahani, Amanda Koh, Steven T. Weinman, Evan K. Wujcik
Summary: Adsorption is an important and versatile technique for water purification, with polymer-based materials commonly used as adsorbents to remove toxic elements from polluted waters. The evaluation of adsorbent performance is based on factors such as adsorption capacity, adsorption rate, contaminant selectivity, and adsorbent reusability, which are affected by pH, temperature, contact time, and the type, dosage, and morphology of the adsorbent.
ACS APPLIED POLYMER MATERIALS
(2021)
Review
Environmental Sciences
S. Senguttuvan, P. Senthilkumar, V Janaki, S. Kamala-Kannan
Summary: Polyaniline-based composites are effective in removing and detoxifying dyes and heavy metals from wastewater, by adsorbing and converting them into less toxic states. Further research is needed to understand the impact of various conditions and experimental variables on the removal of dyes and heavy metals.
Review
Chemistry, Applied
Aihua Qiao, Mei Cui, Renliang Huang, Guojie Ding, Wei Qi, Zhimin He, Jiri Jaromir Klemes, Rongxin Su
Summary: This review discusses the increasing application of nanocellulose-based materials as biosorbents for water pollutants treatment, highlighting surface modification, polymer grafting, hybrid composite fabrication, adsorption mechanisms, and regeneration methods. It also briefly describes the various forms of nanocellulose-based adsorbents with large-scale application.
CARBOHYDRATE POLYMERS
(2021)
Article
Environmental Sciences
Wan Ting Tee, Nicholas Yung Li Loh, Billie Yan Zhang Hiew, Pau Loke Show, Svenja Hanson, Suyin Gan, Lai Yee Lee
Summary: Three-dimensional heteroatom-doped graphene is an effective approach for treating pharmaceutical wastewater due to its excellent adsorption and physicochemical properties. A boron-doped graphene oxide composite was successfully synthesized and showed promising adsorption performance for removing amitriptyline from contaminated water.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Environmental Sciences
Nicholas Yung Li Loh, Hui Ying Pang, Wan Ting Tee, Billie Yan Zhang Hiew, Svenja Hanson, Siewhui Chong, Suchithra Thangalazhy-Gopakumar, Suyin Gan, Lai Yee Lee
Summary: The production and disposal of plastics have become a major global concern due to their non-biodegradable properties. This study explores the conversion of apple waste into bioplastic, offering a solution to waste disposal issues. The results show that incorporating apple waste and delignification enhances the storage modulus and brittleness of the bioplastic. The integration of apple waste promotes biodegradability, making it a potential material for various applications.
WASTE AND BIOMASS VALORIZATION
(2023)
Article
Thermodynamics
Mintallah Mousa A. Allouzi, Lai Yee Lee, Suyin Gan, Suchithra Thangalazhy-Gopakumar
Summary: Olive Pomace (OP) biomass has high potential for biofuel production. Dry torrefaction of OP in an inert environment was conducted at temperatures ranging from 200-290 degrees C. The study also investigated the torrefaction of OP blended with Low-Density Polyethylene (LDPE) at different ratios and analyzed the product yield and characteristics. The results showed that as temperature increased, the mass yield of torrefied OP decreased while the higher heating value (HHV) increased. Additionally, the mass yield and HHV of the OP-LDPE blends increased with the increase in LDPE content.
THERMOCHIMICA ACTA
(2023)
Article
Engineering, Chemical
Mustapha Danladi Ibrahim, Rui Hong Teoh, Yousif Abdalla Abakr, Lai Yee Lee, Suyin Gan, Suchithra Thangalazhy-Gopakumar
Summary: This study focused on the analysis and torrefaction of shea nut chaff (SNC) biomass. The wet torrefaction process was carried out at different temperatures, residence times, and water-to-biomass ratios. Characterization studies showed that torrefied SNC had improved properties compared to raw SNC, making it a potential bioenergy source. However, high ash content remains a major concern.
ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Agricultural Engineering
Jia Chun Ang, Jia Yong Tang, Boaz Yi Heng Chung, Jia Wen Chong, Raymond R. Tan, Kathleen B. Aviso, Nishanth G. Chemmangattuvalappil, Suchithra Thangalazhy-Gopakumar
Summary: Biochar can be utilized for environmental remediation and improving soil quality through carbon sequestration. However, the relationship between biochar surface properties, biomass physiochemical properties, and pyrolysis conditions is not well-established. Machine learning algorithms, such as rough set machine learning, can help in predicting biochar surface properties based on decisional attributes.
BIOMASS & BIOENERGY
(2023)
Article
Engineering, Chemical
Boaz Yi Heng Chung, Jia Chun Ang, Jia Yong Tang, Jia Wen Chong, Raymond R. Tan, Kathleen B. Aviso, Nishanth G. Chemmangattuvalappil, Suchithra Thangalazhy-Gopakumar
Summary: Biochar pH and stability are important properties for its application as a carbon dioxide adsorbent and soil fertility enhancer. In this study, a rough set machine learning model was developed to quantify the relationship between feedstock composition, pyrolysis operating parameters and biochar properties. The model provided insights on the optimal process conditions to obtain biochar with desired properties.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2023)
Article
Engineering, Chemical
Wan Ting Tee, Nicholas Yung Li Loh, Billie Yan Zhang Hiew, Wee Siong Chiu, Poi Sim Khiew, Suchithra Thangalazhy-Gopakumar, Suyin Gan, Lai Yee Lee
Summary: A new 3D-CTG system was developed using an ecofriendly ice-segregation method to remove malachite green (MG) and crystal violet (CV) dyes from polluted water. The system showed the formation of lamellar porous networks and abundant chemical functional groups. The optimized parameters achieved high removal rates for both CV and MG dyes, and the saturated 3D-CTG adsorbent showed recyclability with decent re-generation efficiencies.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2023)
Article
Materials Science, Multidisciplinary
Maxine Yew, Chang Nong Lim, Boon Aik Liam, Kai Seng Koh, Siew Shee Lim, Billie Hiew, Ju Yen Fu
Summary: Type II diabetes mellitus (T2DM) affects over a tenth of the Malaysian population, and saponin, a traditional herbal extract, has been found to be an effective treatment with milder toxicity compared to conventional anti-diabetic drugs. This research focuses on developing an efficient drug delivery system using chitosan milli-particles (CPs) to target the release of saponin in the digestive system. Swelling tests and in vitro studies conducted on saponin-immobilized CPs (SICPs) suggest that the release of saponin is influenced by Fickian diffusion and the swelling of the chitosan milli-particle matrix at different pH levels.
Review
Engineering, Chemical
Wan Ting Tee, Nicholas Yung Li Loh, Kar Chiew Lai, Billie Yan Zhang Hiew, Suyin Gan, Lai Yee Lee
Summary: This review examines the potential of heteroatom-doped graphene adsorbents for removing aqueous pollutants, discussing their adsorption properties, mechanisms, and the enhancement of adsorption performance due to heteroatom doping. The hydrothermal synthesis of 3D heteroatom-doped graphene is also evaluated, along with the challenges for future research. Overall, this study provides valuable insights into the use of heteroatom-doped graphene adsorbents for aqueous pollutants removal.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Analytical
Wan Ting Tee, Jasmine Chua, Jia En Yong, Billie Yan Zhang Hiew, Suyin Gan, Lai Yee Lee
Summary: This study focuses on synthesizing a novel graphene-based adsorbent to remediate Amitriptyline residue in the aquatic ecosystem. The as-synthesized adsorbent showed high adsorption performance and potential large-scale application, making it an effective system for removing Amitriptyline in water.
Proceedings Paper
Green & Sustainable Science & Technology
Chi Hou Lau, Suyin Gan, Harrison Lik Nang Lau, Lai Yee Lee, Suchithra Thangalazhy-Gopakumar
Summary: This paper provides a concise perspective on the influencing factors in the use of antioxidants for biodiesel oxidation stability enhancement. It analyzes the type and concentration of antioxidants, biodiesel blend, storage time and temperature, and their implications on palm biodiesel oxidation stability. The study suggests the effectiveness order of synthetic antioxidants and natural antioxidants, as well as the relationship between antioxidant concentration and oxidation stability. The storage time and temperature are also important factors to consider. Further research is recommended to compare and elucidate the underlying mechanisms for palm biodiesel.
TRENDS IN ENVIRONMENTAL SUSTAINABILITY AND GREEN ENERGY
(2023)
Article
Environmental Sciences
Muhammad Hussin Abdul Jabar, Rishita Srivastava, Norhuda Abdul Manaf, Suchithra Thangalazhy-Gopakumar, Farah Ezzah Ab Latif, Minh Tri Luu, Ali Abbas
Summary: Solar photovoltaic-thermal hybrid with phase change material (PVT-PCM) is an intelligent game changer for clean, reliable, and affordable renewable energy technology. It can generate both electricity and thermal energy, making it practical for residential and industrial applications. The integration of phase change materials allows for excess heat storage and utilization during periods of insufficient solar irradiation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Chemical
Ramanath Tamelarasan, Newton Well Lo, Kasturi Muthoosamy, Suchithra Thangalazhy-Gopakumar
Summary: This study focuses on the synthesis of H-doped WO3 at ambient conditions for detecting acetone gas in the breath of diabetic patients. The results show that hydrogen doping increases the conductivity of WO3 and allows for acetone detection at room temperature.
ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Engineering, Environmental
Xingxing Hu, Lingjie Liu, Yanmeng Bi, Lu Li, Chunsheng Qiu, Jingjie Yu, Shaopo Wang
Summary: In this study, the impact of exogenous folate on the start-up process of single-stage partial nitritation-anammox (SPNA) was evaluated using two lab-scale reactors. The results showed that folate addition can enhance nitrogen removal rate, extracellular polymeric substances production, hydrazine oxidase and dehydrogenase activity, as well as the relative abundance of Candidatus Brocadia.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Shaocang He, Tingting Shen, Jing Sun, Haoqi Pan, Chenxu Sun, Tianpeng Li, Runyao Li, Enshan Zhang
Summary: A novel process of acid leaching neutralization was developed for the preparation of inorganic polymeric composite ferric aluminum silicate coagulant (CFAS) using solid waste coal gasification coarse slag (CGCS). The optimized preparation process was determined through single-factor experiment and the performance of CFAS was evaluated for domestic sewage treatment. The results showed that CFAS exhibited excellent coagulation ability and achieved significant removal efficiency for turbidity, ammonia nitrogen, and chemical oxygen demand.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Kinga Szatmari, Sandor Nemeth, Alex Kummer
Summary: In this article, a resilience-based reinforcement learning approach is proposed to address the potential thermal runaway issue in batch reactors. By calculating the resilience metric for reactors and utilizing Deep Q-learning to decide when to intervene in the system, resilient-based mitigation systems can be effectively developed.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Bingyou Jiang, Qi Yao, Mingqing Su, Jingjing Li, Kunlun Lu, Dawei Ding, Han Hong
Summary: This study investigates the inhibitory characteristics and mechanisms of ABC powder on coal powder explosion. The addition of ABC powder significantly decreases the maximum explosion pressure and can completely suppress coal dust explosions. The study also reveals the thermal decomposition characteristics and reaction kinetics of the mixed system.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Kubilay Bayramoglu, Mustafa Nuran
Summary: This study examines the feasibility of using pyrolytic oil from waste tires as fuel in diesel engines, and evaluates its energy, exergy, and sustainability. The results indicate that pyrolytic oil has potential as a renewable fuel source with relatively high thermal efficiency.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Xinru Duan, Yejia Lv, Jiaxing Hong, Jianzhong Wu, Jia Zhang, Yang Yue, Guangren Qian
Summary: This study successfully prepared a tube reactor with optimized catalyst formula, which showed good performance in removing dioxins and other pollutants in the experiments.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Jiaoyang Du, Xueming Dang, Xiaorong Gan, Xin Cui, Huimin Zhao
Summary: In this study, a photocatalyst-enzyme hybrid system was constructed, which solved the issue of enzyme inactivation caused by high concentration of H2O2 through photocatalytic in-situ H2O2 production, and improved the stability and catalytic efficiency of the enzyme. The effectiveness of the system in treating phenolic EDCs was confirmed through experiments.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Fu-Rong Xiu, Longsheng Zhan, Yingying Qi, Xinyue Lei, Jiali Wang, Haipeng Zhou, Wenting Shao
Summary: This study developed a synergetic and high-efficiency treatment of waste tantalum capacitors (WTCs) and polyvinyl chloride (PVC) using subcritical water process. The treatment significantly reduced the temperature and reaction time for metal tantalum recovery from WTCs, and improved the dechlorination efficiency of PVC. The optimized conditions resulted in 100% resin conversion efficiency of WTCs and 97.39% dechlorination efficiency of PVC. The interaction between decomposition products of WTCs and PVC produced a high level of benzoic acid.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Bingda Li, Jiaming Song, Yuting Li, Chaoying Meng, Shuxian Wang, Linghao Zong, Honggang Ye, Yishuai Jing, Feng Teng, Peng Hu, Haibo Fan, Guangde Chen, Xin Zhao
Summary: CdPS3 nanosheets, especially those exfoliated by sodium cholate, have shown highly efficient photocatalytic degradation performance. The strong dark adsorption and dye-sensitized photocatalytic properties of CdPS3 nanosheets contribute to high degradation efficiencies of various pollutants.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
Article
Engineering, Environmental
Dongxu Ouyang, Yimei Pang, Bo Liu, Zhirong Wang
Summary: This study investigates the thermal runaway features of lithium-ion cells under tunnel conditions, considering different states of charge and tunnel ceilings. The results show that the tunnel visibility is affected by the smoke generated during thermal runaway, and the shape of the tunnel ceiling influences the temperature rise differently.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2024)
