Circular Economy

 

Circular Economy

Synthesis and Application of Robust Spiro [Fluorene?9] CAAC Ruthenium Alkylidene Complexes for the „One?Pot“ Conversion of Allyl Acetate to Butane?1,4?diol
12/06/2024 - A series of a novel CAAC ligands featuring a spiro?fluorene group have been synthesized and complexed with ruthenium alkylidenes, yielding the corresponding Hoveyda?type derivatives as a new family...
The methods for improving the biodegradability of oily sludge: a critical review
13/06/2024 - Biological degradation method, as an environmentally friendly, low-carbon, and clean pollution treatment technology, is widely used for the harmless disposal of oily sludge. The biodegradability...
Engineering superhydrophobicity: a survey of coating techniques for silicone-based oil–water separation membranes
13/06/2024 - Oil spills in the ocean and the release of contaminated wastewater from industries cause significant harm to the ecosystem and water sources. To tackle this environmental problem, oil–water...
Efficient Dynamic Crosslinking for Compatibilizing Immiscible Mixed Plastics through in situ Generated Singlet Nitrenes
07/06/2024 - Creating a sustainable economy for plastics demands the exploration of new strategies for efficient management of mixed plastic waste. The inherent incompatibility of different plastics poses a major...
Recycling of Thermoplastic Glass Fiber?Reinforced Composites Using High?Voltage Fragmentation
06/06/2024 - Separation of a polymer profile made of glass fiber?reinforced thermoplastic sheathing material and a polyethylene terephthalate foam core was studied for recycling, comparing comminution by a...
Bridging dehydrogenation and hydrogenation in heterogeneous catalysis: A demonstration of a unified catalytic approach
08/06/2024 - In the pursuit of enhancing the applications of hydrogen as an energy carrier, this research delved into the utilization of a singular hybrid catalyst capable of performing both dehydrogenation and...
Unlocking the potential of low concentration biodiesel blended with green synthesized novel carbon black nanoparticles from Ricinus communis outer shell: An experimental study under different compression ratios and EGR concentrations
09/06/2024 - The outer prickly shells of the Ricinus communis (castor plant) have intrigued researchers interested in the synthesis of carbon black (CB) nanoparticles because of their excellent biocompatibility,...
Catalytic pyrolysis of torrefied biomass with molecular sieve catalysts to produce hydrocarbon rich biocrude
09/06/2024 - The downstream processing of biocrudes obtained from direct biomass pyrolysis poses significant challenges due to stability issues, necessitating costly upgrading for further coprocessing with...
A multistimuli?responsive recyclable poly(vinyl alcohol)/perylene imide hydrogel of high?performance piezoresistive sensors for human wearable devices
07/06/2024 - Schematic representation of isocyanate chitin?modified PS?DVB microspheres.AbstractIn this work, a two?step activated swelling technique was effectively employed to successfully synthesize...
Effortless impregnation method for melamine formaldehyde foams exhibiting elevated thermal stability and exceptional flame retardant characteristics
07/06/2024 - Recycling of polyester bottle waste to synthesize functional acid dye.AbstractNowadays, waste management is gaining popularity to reduce the environmental impact made by human beings. There is a dire...
Characterization of self?reinforced polyethylene recyclates according to different valorization strategies
08/06/2024 - Morphological changs during wet?fiber stretching process.AbstractThe plastic deformation of the microfibrils governs the formation and development of orientation, crystallization, and structural...
Topologically Optimized Graded Foams
05/06/2024 - A process?focused alternative to 3D printing is reported, based on topology optimization and gas foaming. A 3D density map optimized for three?point bending is designed and produced by gas foaming a...
Self?Powered Electrical Bandage Based on Body?Coupled Energy Harvesting
04/06/2024 - Self?powered electrical bandages, integrated with wearable energy harvesters, could provide an effective and autonomous electrical stimulation (ES) solution for rapid and scarless wound healing. A...
Fully 3D?Printed Miniature Soft Hydraulic Actuators with Shape Memory Effect for Morphing and Manipulation
04/06/2024 - Achieving both rich shape morphing and shape locking remains challenging in miniature soft actuators. Fully multi?material 3D?printed, sub?millimeter thin?plate?like miniature soft hydraulic...
Recent development of substrates for immobilization of bimetallic nanoparticles for wastewater treatment: a review
05/06/2024 - Bimetallic nanoparticles (BMNPs) have gained considerable attention due to their remarkable catalytic properties, making them invaluable in wastewater treatment applications. One of these...
Efficient extraction of metals (Fe, Zn, Pb) from hazardous jarosite using ionic liquid and waste-derived solvents
01/06/2024 - The present study evaluated a solvo-metallurgical technique for metal extraction from industrial solid waste (jarosite) using ionic liquids (ILs) and waste-derived solvents. The jarosite contains...
Facile hydrothermal assembly of three-dimensional GO-MTZE composite and its adsorption properties toward Cu2+
01/06/2024 - Three-dimensional (3D) graphene oxide (GO)-based aerogels, GO and 4-methyl-5-thiazoleethanol (MTZE) composites, were prepared by a facile hydrothermal method. Due to the hydrogen bonding and ?-?...
Co-pyrolysis of fly ash with sewage sludge for PCDD/F removal
31/05/2024 - Fly ash generated from municipal waste incineration (MWI) contains various toxic substances, and it has to be properly treated before disposal or reuse. Water washing and thermal pyrolysis can...
A raising alarm on the current global electronic waste situation through bibliometric analysis, life cycle, and techno-economic assessment: a review
31/05/2024 - Electronic waste (E-waste) production worldwide is increasing three times faster than the growth of the global population, and it is predicted that the total volume of E-waste will reach 74...
Pilot Scale Pyrolysis and Simulation of Plastic Waste into a Value?Added Product: An Integrated Approach
27/05/2024 - Discarded plastic as a waste has grown uncontrollably worldwide, most of it ending up as landfill. To convert plastic waste to value?added product, authors in this study highlighted the production of...