Results 11 to 20 of about 21,574 (207)

Porous material from recycled glass waste as an advantageous alternative to existing building materials [PDF]

open access: yesConstructii: Journal of Civil Engineering Research, 2020
Experimental results of manufacturing the cellular glass from container glass waste using an unconventional heat treatment technique (microwave energy) are presented in the paper.
Marius Florin DRĂGOESCU   +1 more
doaj  

CELLULAR GRAVEL PRODUCED FROM RESIDUAL ALUMINO-SILICATE MATERIALS (FLY ASH, METAKAOLIN, SLAG, AND ALKALINE EARTH ALUMINO-SILICATE GLASS) BY NONCONVENTIONAL TECHNIQUES

open access: yesNonconventional Technologies Review, 2023
New manufacturing recipe of glass waste-based foam glass gravel for special applications in construction was designed, tested, and presented in this paper.
Lucian Paunescu   +2 more
doaj  

HIGH MECHANICAL STRENGTH CELLULAR PRODUCT AS A CONSTRUCTION MATERIAL MANUFACTURED IN MICROWAVE FIELD

open access: yesNonconventional Technologies Review, 2020
The paper presents the results of the research for the production by a nonconventional method (using microwave irradiation) of a cellular glass with high mechanical strength from flat glass waste (86 – 95%), calcium carbonate (1%)  as a foaming agent ...
Lucian Paunescu   +2 more
doaj  

HIGH-STRENGTH POROUS AGGREGATE MADE BY MICROWAVE IRRADIATION HEATING TECHNIQUE OF CLAY AND GLASS WASTES FROM BUILDING DEMOLITION

open access: yesNonconventional Technologies Review, 2022
A high-strength porous aggregate for construction applications that require compression resistance and porosity has been experimentally made by direct microwave warming of residues from building demolition (clay brick and clear flat glass). Borax (4 wt. %
Lucian Paunescu   +2 more
doaj  

Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics

open access: yesFEBS Open Bio, EarlyView.
Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini   +2 more
wiley   +1 more source

Rice Hulls as a Renewable Complex Material Resource

open access: yesResources, 2018
As a result of rice grain processing, a big amount of waste (up to 20%) is produced. It is mainly rice hulls. The main components of rice hulls are cellulose, lignin and mineral ash.
Irina Glushankova   +4 more
doaj   +1 more source

Sustainable bioplastics manufacturing from renewable sources

open access: yesFEBS Open Bio, EarlyView.
Bioplastics are manufactured by using polymers from different bio‐based sources. These novel materials not only offer biodegradability but also possess various functional properties that make them suitable for diverse applications. Recent developments in the preparation of bioplastics are reported, highlighting the distinct properties of each type of ...
C. Valeria L. Giosafatto   +6 more
wiley   +1 more source

ALUMINO-SILICATE WASTES USED FOR MAKING CELLULAR GRAVEL BY NON-CONVENTIONAL DIRECT MICROWAVE HEATING METHOD

open access: yesNonconventional Technologies Review, 2023
Cellular gravel based on alumino-silicate wastes including residual clay brick recovered from construction demolition and fly ash resulted from coal burning in energy industry was experimentally made.
Lucian Paunescu   +2 more
doaj  

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

open access: yesFEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy