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Recycling of construction material is a valuable option for minimizing construction & demolition waste streams to landfills and mitigating primary mineral resource depletion. Material flows in the construction sector are governed by a complex socio-technic ...
This paper discusses the results from an experimental investigation conducted to study the effect on using cellulose fibres as cement replacement on the properties of lightweight cement composite. The fibres were recycled from waste paper and packaging and ...
As strategies in sustainability permeate modern engineering approaches, opportunities to re-engineer our water and sanitation systems in ways that simultaneously address human and ecological needs become apparent. Yet uncertainties remain regarding the hum ...
One challenge in efficient recycling of asphalt concrete is the adherence of the reclaimed asphalt pavement (RAP) particles or clustering that inhibits fulfilling the aggregate gradation requirements. In order to investigate this phenomenon two types of mi ...
Narrow scrape-off layer (SOL) heat flux channel widths (λq) are seen on many tokamaks, both in inner-wall limited (IWL) and diverted discharges. These observations have important consequences for ITER and reactors, impacting the design of inner limiter til ...
The production of reactivated cementitious materials is an option for the recycling of hydrated-cement-rich fines discarded during recycled aggregate production. Reactivation is based on a thermal process where calcium silicate hydrates present in the fine ...
Hybrid montmorillonite-alginate beads (MABs) were prepared by the ion-gelation method from alginate and montmorillonite clay suspension dropped in a calcium chloride solution. Similarly, iron-enriched beads (Fe-MABs) were prepared using iron-exchanged mont ...
Construction and demolition (C&D) waste, being already the largest waste fraction in industrialized coun- tries, is expected to increase in the future. C&D waste recycling has been considered to be a valuable option not only for minimizing C&D waste stream ...
Phosphorus (P) is an essential, finite resource whose geological, economic, and geopolitical accessibility may become critical in the future. Because P losses from agriculture, sewage and waste have serious environmental impacts such as eutrophication, it ...
A novel process named SunCHem has been proposed to produce methane via catalytic hydrothermal gasification of microalgae [1-3]. The process is innovative because it is designed as a closed-cycle system with respect to water, nutrients and some of the CO2, ...