Related references
Note: Only part of the references are listed.
Article
Engineering, Environmental
Xinxin Hu et al.
Summary: In this study, a fixed bed of particle electrodes was used to successfully decomplex Cu-EDTA and simultaneously recover copper. The results showed that under acidic conditions, Cu-EDTA could be effectively decomplexed, while excessive Cu2+ or EDTA had negative impacts on the process.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Chemical
Fulya Gulbagca et al.
Summary: The green synthesis of Palladium-Silver nanoparticles (Pd-Ag NPs) using the extract of Nigella satioa seeds is reported in this study. The synthesized Pd-Ag NPs were characterized and their anticancer and antibacterial activities were investigated. The results suggest that Pd-Ag NPs may have therapeutic potential in cancer and bacterial infections, and their use as catalysts can contribute to reducing environmental pollution.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2022)
Review
Engineering, Environmental
Pitchiah Esakki Karthik et al.
Summary: This review discusses the opportunities of recycling e-wastes, types of value-added materials that can be recovered for water splitting, and strategies exploited. It emphasizes the importance of recycling and reusing waste for environmental protection and resource utilization.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Melike Sevim et al.
Summary: The study reports a method for high selectivity reduction of acid, amide, ester and ketone groups using CuPd alloy nanoparticles catalyst in a water/methanol mixture. The Cu50Pd50/mpg-C3N4 nanocatalyst exhibits high efficiency and reusability, making it a promising catalyst for organic synthesis applications.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2022)
Article
Engineering, Chemical
Ya Liu et al.
Summary: This study proposed a novel approach using green electrodeposition technology for targeted recovery of Ag-Pd alloy from electronic waste. High purity of the alloy was achieved by controlling the potential, with recovery efficiencies reaching 97.72% for Ag and 98.05% for Pd. The study also examined the effect of acidity and potential on the particle size of the alloy, as well as analyzed the electrodeposition mechanism following three-dimensional instantaneous nucleation and growth mechanism.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Water Resources
Hussein I. Abdel-Shafy et al.
Summary: This study examined the treatment of real industrial electroplating rinsing wastewater using chemical coagulation and electrocoagulation techniques. The results showed that a combination of lime and ferric chloride achieved optimal removal rate. When a continuous flow reactor was used, the removal rate of metals increased significantly. The treated wastewater met the environmental regulations and could be reused.
WATER PRACTICE AND TECHNOLOGY
(2022)
Review
Engineering, Environmental
Jan-Max Arana Juve et al.
Summary: Electrodialysis (ED) is a versatile technology for treating acidic effluents containing metal species. It offers continuous operation, scalability, and ease of use, addressing many drawbacks of current technologies. This critical review covers the types and state-of-the-art of ED processes, important parameters, and limitations, perspectives, and future research trends. The review also discusses common issues in ED systems and suggests potential solutions. Furthermore, it provides insights on materials development for membranes and electrodes to advance metal recovery using ED technology.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Environmental Sciences
Harjot Kaur et al.
Summary: Foodborne-related infections due to additives and pollutants pose a challenge for food processing enterprises. Electrochemical sensors (ECS) offer a convenient and efficient analytical method for food protection and quality inspection. Carbon-based nanomaterials (CNMs) play a crucial role in designing high-performance ECS devices for medical diagnostics, environmental conditions, and food protection.
Article
Engineering, Chemical
Shalaka S. Mohire et al.
Summary: In this study, we optimized a method for the one-pot synthesis of benzimidazole using a bimetallic catalyst supported by meso-cellular foam (MCF). The catalyst exhibited bifunctionality, allowing for the hydrogenation of o-nitroaniline to o-phenylenediamine (OPDA) and the cyclization of OPDA into benzimidazole. The use of a solvent mixture provided an in situ source of hydrogen and carbon dioxide, which played a significant role in the reaction. The synthesized catalyst was characterized and the reaction mechanism and kinetics were established.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Environmental Sciences
Qiongfang Zhuo et al.
Summary: The simultaneous electro-oxidation of Ni (II)-citrate and electrodeposition recovery of nickel metal were successfully achieved in a combined reactor. Various factors affecting the electrochemical performance were investigated, and the optimized conditions resulted in high removal efficiency and recovery rate. The characterization results confirmed the potential of this electrochemical system for oxidizing metal complexes and recovering metallic nickel.
JOURNAL OF ENVIRONMENTAL SCIENCES
(2022)
Article
Engineering, Chemical
Imad Eddine Kimi et al.
Summary: The study aims to investigate a modified FFTES configuration with rotating cylindrical electrodes to overcome the particle impacting effect, leading to a significant increase in purity and recovery rates of the separator.
PARTICULATE SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Environmental
Ka Ho Chan et al.
Summary: With the expansion of the lithium-ion battery market and the increasing awareness of environmental protection, the development of green and sustainable technologies for recycling waste lithium-ion batteries has become urgent. This study focuses on the separation and recovery of valuable metals from postconsumer lithium-ion batteries using electrodialysis. The results show that electrodialysis coupled with complexation using EDTA can effectively separate and recover lithium, nickel, manganese, and cobalt with high purity.
RESOURCES CONSERVATION AND RECYCLING
(2022)
Article
Chemistry, Multidisciplinary
Jiqin Wang et al.
Summary: This study discusses in detail the factors that impact two-dimensional gold dendritic patterns, finding that increasing the applied voltage and the concentrations of chloroauric acid and hydrochloric acid can increase the probability of particle movement, leading to an increase in the fractal dimension. Additives PVP and trisodium citrate can inhibit fractal growth and improve the recovery rate and current efficiency of gold.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Energy & Fuels
Samarjeet Singh Siwal et al.
Summary: This review article discusses the importance and application of biomass energy production, covering topics such as the properties of biomass fuels, sustainability, and advanced thermochemical conversion technologies for waste-to-energy. The advantages and challenges of these technologies are compared, and future perspectives in this field are explored.
Article
Engineering, Environmental
Kaixin Liu et al.
Summary: In this study, slurry electrolysis was used to extract and recover the metallic component from waste printed circuit board (WPCB) powder. The system operated efficiently with a pH-neutral ethylene glycol electrolyte and demonstrated high selectivity for copper recovery in the presence of other metals.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Chemical
Kai Yan et al.
Summary: This study used electrodialysis and electrodeposition combined method to treat the spent electroless nickel plating bath, and the experimental results showed that this method has the ability of high recovery of Ni2+ and removal of HPO32-, with low energy consumption.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Kirti Mishra et al.
Summary: Current interest in ionic liquids (ILs) is due to their unique characteristics, which make them suitable for various applications. ILs can be used as solvents, electrolytes, and for energy storage. This review provides guidance for research on IL-based polymer nanocomposites in areas such as sensors, high performance, biomedicine, and environmental applications, and offers a comprehensive overview of IL components and types of polymer matrices.
Article
Chemistry, Multidisciplinary
Linji Xu et al.
Summary: This study investigates the influence of the supporting electrolyte on the performance of electro-deionization (EDI) in ammonia recovery. The results show that an appropriate concentration of Na2SO4 facilitates NH4+ permeation, while a high concentration hinders NH4+ permeation. The study suggests that the supporting electrolyte concentration should match that of the desalted ions.
Article
Environmental Sciences
Hang Lv et al.
Summary: A novel process was developed to recycle lead from lead-containing sludge and achieve sludge reduction. The study also investigated the effects of Fenton conditioning on Pb removal efficiency in electrokinetic treatment process and its mechanism, as well as electro-dewatering performance.
Article
Engineering, Chemical
Andrei Catinean et al.
Summary: This work demonstrates the use of electric field forces for recovering copper from a fine PVC/Cu granular mixture, with the electrostatic separation achieving high recovery rates and purity, especially in the -0.63 mm size class where copper granules are mainly concentrated. Copper recovery close to 100% with purity higher than 99.8% is possible through improved chopping technology and separation methods.
PARTICULATE SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Vengudusamy Renganathan et al.
Summary: An efficient electrochemical sensing and catalysis platform based on Cu-Ni alloy was developed, showing superior sensitivity and linear response. The Cu-Ni alloy sensor was successfully tested for real-time environmental samples and demonstrated good acceleration in the chemical degradation process.
Article
Chemistry, Physical
Haowen Ma et al.
Summary: The composition-dependent study on Pd-Ag bimetallic surfaces for the partial hydrogenation of 1,3-butadiene to 1-butene showed that increasing Ag content can enhance the catalytic performance by improving activity and selectivity, and decreasing the binding strength of adsorbates.
CATALYSIS COMMUNICATIONS
(2021)
Article
Biochemistry & Molecular Biology
Suresh Velpula et al.
Summary: In this study, bimetallic Ag-Au, Ag-Pd, and Au-Pd nanoparticles were synthesized using a natural biopolymer gum kondagogu as a reducing and capping agent. Characterization of the nanoparticles showed different catalytic efficiencies in the reduction of 4-nitrophenol, with Ag-Pd exhibiting the highest efficiency among the three.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Engineering, Environmental
Dorota Babilas et al.
Summary: This report describes a method based on electrodialysis enhanced with metal complex formation to separate cupric ions from zinc sulfate in a model zinc plating bath. The optimal conditions for selective removal of Cu(II) ions from the bath are identified, showing significant reduction in Cu(II) content with high Zn(II) recovery and current density. The possibility of increasing Zn(II) content in the plating bath was also evaluated.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Qingming Song et al.
Summary: The proper recycling of waste liquid crystal displays (LCDs) raises continuous concerns due to pollution control and resource recovery. Electrodeposition is a promising technique for selective metal extraction from multi-metal systems. This study explores stepwise Cu/MoO2 and In electrodeposition from InCu-Mo-Fe waste LCD leachate, showing high efficiency in indium extraction within optimized conditions.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Green & Sustainable Science & Technology
Samarjeet Singh Siwal et al.
Summary: The theory of converting biomass waste into energy has attracted attention from academics and professionals, but faces obstacles in its development. Thermochemical methods show promise in reducing greenhouse gases and have a comparative advantage in efficiency and adaptability.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Engineering, Environmental
Jiqin Wang et al.
Summary: Slurry electrolysis is effective in separating and recovering metals from waste printed circuit boards, with copper and total metal recovery rates reaching 94.5% and 75.2% respectively. The process shows potential for industrial application in e-waste recycling, with reduced toxicity and promising cost analysis results.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Article
Engineering, Chemical
Jiqin Wang et al.
Summary: This study proposes an efficient ammonia-ammonium carbonate slurry electrolysis system for high purity copper recycling from waste printed circuit boards of mobile phones. By increasing factors such as reactant concentrations, solid-to-liquid ratio, current density and reaction time, the copper recovery rate and current efficiency could be significantly enhanced. Under the optimal test conditions, the copper current efficiency and recovery rate reached 95.2% and 90.4% respectively, with copper purity at 99.97% at the cathode. Compared with the acidic system, this approach provides a promising future for WEEE resource recycling.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Review
Chemistry, Physical
Rui Li et al.
Summary: This review highlights the importance of integrating anode and cathode reactions for efficient use of electrical energy in electrocatalysis conversion processes, as well as the production of high-value substances. It provides a comprehensive overview of recent advances in co-electrolysis processes for valuable chemical production, discussing popular reactions such as hydrogen evolution and carbon dioxide reduction integrated with anodic oxidation reactions. Additionally, challenges and future prospects for these integrated reactions are proposed to benefit researchers and facilitate progress in the field.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Belen Garrido et al.
Summary: Alkaline leaching with highly selective ammoniacal complexing agents is a promising alternative for copper recovery, allowing the formation of soluble copper amine complexes. The study shows that increasing current density improves current efficiency, while higher copper concentration and excess of ammonia decrease current efficiency and cell voltage.
FRONTIERS IN CHEMISTRY
(2021)
Article
Materials Science, Multidisciplinary
S. M. Sauid et al.
Summary: Nitrogen-doped hierarchical porous carbon materials derived from textile waste exhibit excellent ORR performance, stability, and methanol tolerance, making them promising alternatives to platinum catalysts for fuel cell applications.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Chemistry, Physical
Feifan Wang et al.
Summary: The study demonstrates the efficient and recyclable use of monodisperse CuPd alloy nanoparticles supported on reduced graphene oxide as a catalyst for C(sp(3))-H acyloxylation of 8-methylquinolines. The catalytic system shows low palladium loading, good recycling ability, high atom efficiency, chemo and regioselectivity, as well as substrate compatibility for large-scale synthesis. Preliminary studies were conducted to investigate the heterogeneous catalysis mechanism.
CATALYSIS COMMUNICATIONS
(2021)
Article
Engineering, Environmental
Ya Liu et al.
Summary: In this study, a simple, efficient and green approach for metals separation from Ni-Cu-Ag-Pd-Bi-Sn multi-metal system of e-waste was proposed combining mild leaching and stepwise potential-controlled electrodeposition. The leaching process was analyzed, showing the existence of Ag-Pd continuous solid solution in the alloy lowering the oxidation potential of Pd facilitating its leaching. The results indicated high purity property of Ag-Pd and Cu-Bi alloy after extraction. This process can achieve cleaner and efficient extraction of metals from multi-metal system in e-waste.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Chemical
Yangbo Qiu et al.
Summary: A novel zero liquid discharge technology was developed in this study, combining ED, ECO, RO, and BMED for sustainable recovery of high-saline papermaking wastewater. The process demonstrated efficient COD removal and separation of salts and organics, providing strong technical applicability for sustainable resource recovery from high-saline wastewater.
Article
Engineering, Chemical
Yuki Takemura et al.
Summary: In this study, a method using BPED and EDTA was proposed for indium recovery from waste LCD acid leaching solution. Indium ions were selectively chelated with fully dissociated EDTA to form anionic chelates, while aluminum ions existed as cations. The BPED system showed a high selectivity and recovery ratio for indium under specific conditions.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Article
Engineering, Environmental
Rui Gao et al.
Summary: ASR, a type of industrial waste containing valuable metals, can be treated with an integrated metal recovery system involving leaching, electrodeposition, ammonium stripping, and crystallization to selectively recover copper and zinc. This system is driven by electricity and requires minimal input of chemicals and water.
RESOURCES CONSERVATION AND RECYCLING
(2021)
Review
Chemistry, Physical
Zhuohua Sun et al.
Summary: This review explores the history, synthetic strategies, and controls of Raney Ni catalysts, with a focus on their applications in biomass conversion. By comparing with supported Ni catalysts, the unique advantages of Raney Ni in biomass conversion are revealed.
Review
Chemistry, Physical
Mohammad Gholinejad et al.
Summary: This review discusses the preparation and synthetic applications of bimetallic PdCu nanoparticles, highlighting their superior catalytic activity and selectivity compared to monometallic counterparts. Various preparation methods and support materials allow these nanomaterials to successfully perform a wide range of synthetic reactions and catalytic processes.
CATALYSIS SCIENCE & TECHNOLOGY
(2021)
Article
Environmental Sciences
Rosa Freitas et al.
ENVIRONMENTAL POLLUTION
(2020)
Article
Green & Sustainable Science & Technology
Ya Liu et al.
JOURNAL OF CLEANER PRODUCTION
(2020)
Review
Engineering, Environmental
Shuhua Wang et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Article
Environmental Sciences
Yanrong Chen et al.
Article
Chemistry, Multidisciplinary
Zheng Li et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
Chemistry, Physical
Panyu Li et al.
JOURNAL OF POWER SOURCES
(2019)
Article
Chemistry, Physical
Yongfang Wang et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2019)
Article
Chemistry, Physical
I. L. Alonso-Lemus et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2016)