Results 151 to 160 of about 460,863 (364)

CO2 Conversion by Oxygen-Enriched Gasification of Wood Chips

open access: yesEnergies
With increasing efforts to lower CO2 emissions globally, the demand for carbon-based resources in industries remains on a high level, leading to new technologies being able to provide those essential carbon sources.
Clemens Schmittmann, Peter Quicker
doaj   +1 more source

Solid waste generation and collection for recycling in small and micro enterprises: a case study of Braamfontein district, Johannesburg [PDF]

open access: yes, 2011
MSc., Faculty of Science, University of the Witwatersrand, 2011A survey was carried out on small and micro enterprises in the Braamfontein region of Johannesburg, to determine the aggregate compositions of solid waste materials generated and collected ...
Nwokedi, Ikechukwu Oseloka
core  

Investigations of generic self disassembly using shape memory alloys [PDF]

open access: yes
Industrial recycling is a practice of growing importance while impending `Take Back' European legislation and economic pressures are increasing. Landfill sites are becoming exhausted and the industry could benefit from a novel approach to recycling pre ...
Billett, EH   +3 more
core   +1 more source

Multi‐Material Gradient Printing Using Meniscus‐enabled Projection Stereolithography (MAPS)

open access: yesAdvanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
MAPS is a new vat‐free printing technique that utilizes programmed delivery of resin droplets with custom formulations to enable multi‐material gradient printing of 3D structures with user‐defined variations in mechanical stiffness, opacity, surface energy, cell densities, and magnetic properties. Abstract Light‐based additive manufacturing methods are
Puskal Kunwar   +10 more
wiley   +1 more source

Maximizing the value of biodiesel industry waste: Exploring recover, recycle, and reuse for sustainable environment

open access: gold, 2023
Chaitanya Reddy Chilakamarry   +5 more
openalex   +1 more source

Deposit-Refund Systems in Practice and Theory [PDF]

open access: yes
A deposit-refund system combines a tax on product consumption with a rebate when the product or its packaging is returned for recycling. Deposit-refunds are used for beverage containers, lead-acid batteries, motor oil, tires, various hazardous materials,
Walls, Margaret
core  

Moving towards a circular economy: Europe between ambitions and reality [PDF]

open access: yes, 2016
The European Commission is taking serious steps towards realising the concepts of 'recycle, repair and re-use' and avoiding waste at all stages of the value chain with its EU circular economy package (December 2015).
Neligan, Adriana
core  

3D Printing of Highly Electrically Conductive Zinc for Sustainable Electronics Applications

open access: yesAdvanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
A 3D printable zinc ink system with active zinc particles in a shellac matrix is demonstrated. The results show high conductivity, stable performance of printed structures under varying humidity conditions, and promising application in disposable water‐activated batteries. This technology combining digital material assembly, reliable operation, and non‐
Xavier Aeby   +5 more
wiley   +1 more source

Multilayer Structure Ammoniated Collagen Fibers for Fast Adsorption of Anionic Dyes

open access: yesACS Omega, 2021
Wei Luo   +9 more
doaj   +1 more source

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