Article
Engineering, Environmental
Anett Gulyas, Seval Genc, Zehra Semra Can, Neslihan Semerci
Summary: The study investigated phosphorus removal and recovery using magnetic nanoparticles (MNP) from synthetic solutions and sewage sludge supernatants. The experiments showed that MNP was highly effective for both ammonia and phosphate removal and recovery, with the removal efficiency varying depending on the conditions. Kinetic tests suggested that the adsorption process was controlled by a multi-step mechanism.
JOURNAL OF WATER PROCESS ENGINEERING
(2021)
Article
Environmental Sciences
Rahim Shahrokhi-Shahraki, Chelsea Benally, Mohamed Gamal El-Din, Junboum Park
Summary: Activated carbon derived from waste tires exhibited higher adsorption capacities for heavy metal ions than commercial activated carbon, with electrostatic attraction and surface complexation being the dominant mechanisms. In contrast, commercial activated carbon primarily relied on ion exchange for heavy metal removal.
Article
Agricultural Engineering
Prashant Kumar, Anil Kumar Patel, Reeta Rani Singhania, Chiu-Wen Chen, Rijuta Ganesh Saratale, Cheng-Di Dong
Summary: This study developed an engineered biochar by polarizing seaweed biomass and magnetizing it with Fe3O4 nanoparticles coating. The engineered biochar exhibited significant Cu(II) removal potential and could be reused, reducing the overall treatment cost of wastewater.
BIORESOURCE TECHNOLOGY
(2023)
Article
Environmental Sciences
Lizhi He, Zhongmin Dai, Xingmei Liu, Caixian Tang, Jianming Xu
Summary: Lignin can increase soil phosphorus availability and immobilize heavy metals, such as lead and cadmium, in acid soils. However, lignin is ineffective in immobilizing cadmium in alkaline soils.
Review
Environmental Sciences
Punmoth Kalyadan Vrinda, Radhakrishnan Amal, Nandakumar Abhirami, Divya Alex Mini, Vattiringal Jayadradhan Rejish Kumar, Suja Purushothaman Devipriya
Summary: This review explores the co-exposure of microplastics (MPs) and heavy metals in the marine environment and emphasizes the need for effective remediation strategies. The study reveals various mechanisms by which heavy metals can be adsorbed onto MPs, with biofilm formation on MPs impacting metal adsorption behaviors. Thermodynamic models explain the adsorption mechanisms, while factors such as MPs' morphological characteristics, adsorption capacity, and environmental conditions influence the process. The desorption of heavy metals from MPs poses risks to marine organisms, underlining the importance of source reduction and remedial measures.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Biotechnology & Applied Microbiology
Peng Zhao, Zhanbin Huang, Qian Ma, Bolun Zhang, Ping Wang
Summary: In this study, artificial humic acid (A-HA) was prepared from food wastes and used to remove Pb (II) and Cd (II) from aqueous solution. A-HA exhibited superior adsorption for Pb (II) compared to Cd (II). The adsorption kinetics followed the pseudo-first-order model, and the adsorption capacities increased with initial concentration before stabilizing.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Review
Engineering, Environmental
Monika Priyadarshanee, Surajit Das
Summary: Heavy metal pollution caused by industrialization poses a significant public health threat, and conventional remediation methods are expensive and environmentally harmful. Therefore, green technologies utilizing bacteria and other biological agents have garnered more attention due to their cost-effectiveness and high removal efficiency. Bacterial biosorption offers a safe and efficient treatment method for non-biodegradable toxic pollutants like heavy metals, making it a promising approach for heavy metal-contaminated wastewater treatment.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Engineering, Environmental
Ataollah Babakhani, Majid Sartaj
Summary: This study successfully removed cadmium from aqueous solution using Cd(II)-imprinted chitosan hydrogel beads. The synthesis was confirmed through various analyses, and the adsorption process parameters and mechanisms were determined through batch adsorption tests and isotherm investigations.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Biochemistry & Molecular Biology
Mohammad Javad Sharifi, Amideddin Nouralishahi, Ahmad Hallajisani
Summary: Recently, chitosan-magnetite nanocomposite (CMNC) has been synthesized as a promising adsorbent for water treatment, with enhanced adsorption capabilities for nickel and cobalt. The physicochemical properties of CMNC were investigated, confirming the uniform dispersion of magnetite nanoparticles and its significant magnetic properties. Adsorption experiments showed high capacities for Ni2+ and Co2+, and the Langmuir isotherm was found to best fit the adsorption data, indicating energetically homogenous active sites on CMNC. Kinetic analysis suggested that chemical sorption and mass transfer steps both influence the adsorption process. Thermodynamic parameters showed that the adsorption process on CMNC was endo-thermic and spontaneous, with stronger interactions between CMNC and Co2+.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Materials Science, Multidisciplinary
Seema Kumari, Rahul Sharma, Neha Kondal, Asha Kumari
Summary: Water pollutants, especially heavy metals, are highly harmful to the ecosystem even at low concentrations. In this study, nickel ferrite and alkaline earth metals doped nickel ferrite were synthesized as efficient adsorbents for the removal of lead and cadmium from wastewater. The synthesized adsorbents were extensively characterized, and batch adsorption studies were conducted to determine the optimal conditions for adsorption. The results showed that the doped nickel ferrites achieved higher removal percentages compared to nickel ferrite alone. Isothermal and kinetics studies were also performed to understand the adsorption behavior of heavy metals. The findings demonstrated that the prepared mesoporous ferrites have excellent adsorption properties, recyclability, and easy separation under an external magnetic field.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Engineering, Environmental
Ge Zhang, Huifen Yang, Tong Zhao, Xuan Li, Yichen Zhou, Song Guo
Summary: The thermal adsorption residue (TDR) derived from oil sludge co-contaminated soil was found to effectively neutralize acid substances and adapt to a wide pH range. It demonstrated high adsorption capacities for four heavy metals, namely As(III), Zn(II), Cu(II), and Cd(II). There was a competitive adsorption among the three cations on TDR, and the presence of As(III) lowered the adsorption capacity of Zn(II), Cu(II), and Cd(II).
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Environmental Sciences
Noreen Khalid, Muhammad Aqeel, Ali Noman, Shujaul Mulk Khan, Noreen Akhter
Summary: Contamination of waters and soils with microplastics (MPs) is a global environmental issue, posing a threat to ecosystems and organism health; The co-occurrence of MPs with heavy metals may enhance the transfer of toxic metals in the food chain; Understanding the interactions of MPs with heavy metals in different ecosystems is crucial for assessing their ecotoxic effects.
ENVIRONMENTAL POLLUTION
(2021)
Article
Engineering, Environmental
Shifeng Zhao, Menglan Zhao, Xin Fan, Zilin Meng, Qian Zhang, Fengzhu Lv
Summary: Mg-Al layered double hydroxides with MoS42-intercalated and magnetic modification by Fe3O4 were synthesized to capture and separate heavy metals from soil. The intercalated MoS42- significantly improved the removal efficiency of heavy metals, and the magnetic materials facilitated their separation from the soil. The removal kinetics of heavy metals followed the intraparticle diffusion model and pseudo-second-order kinetic model.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Materials Science, Textiles
Md Shipan Mia, Ping Yao, Xiaowei Zhu, Jun Zhang, Tieling Xing, Guoqiang Chen
Summary: In this study, a novel textile-based adsorbent was developed by modifying waste silk fabric with tannic acid. The results showed that the modified fabric exhibited high adsorption capacity and efficiency for the removal of heavy metal ions from aqueous solutions. The adsorption behavior of the adsorbent was well fitted with Langmuir isotherm and pseudo-first-order kinetic model. Moreover, the adsorbent demonstrated the capability of simultaneous removal of heavy metal ions and waste dyes.
TEXTILE RESEARCH JOURNAL
(2022)
Article
Environmental Sciences
SeongChul Ryu, Gayathri Naidu, Hee Moon, Saravanamuthu Vigneswaran
Summary: The mesoporous silica material SBA-15 was synthesized via hydrothermal reaction and successfully modified with manganese loading and amine-grafting to enhance the adsorption capacity and selectivity for copper ions; although the adsorption capacities decreased after granulation, the GMN-SBA material showed good regeneration and separation performance in continuous fixed-bed column adsorption mode; the dynamic adsorption model with linear driving force approximation (LDFA) explained well the fixed-bed adsorption results, showing high affinity of copper towards GMN-SBA compared to other heavy metals in multi-component adsorption.
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)