Results 71 to 80 of about 6,143 (262)
Sustainable levulinic acid production from inulin via hydrothermal conversion
Biofuels, Bioproducts and Biorefining, EarlyView.Abstract This study investigates the hydrothermal conversion of inulin using potassium pyrosulfate to levulinic acid (LA). The Box–Behnken design approach was applied to optimize the conversion parameters and analyze the interactions influencing LA yield.
Gwi‐Taek Jeong
wiley +1 more source
Scalable catalyst production process for oleate hydratase whole‐cell biocatalysis
Biotechnology Progress, EarlyView.This study establishes a scalable lactose‐induced fed‐batch fermentation for an Escherichia coli whole‐cell biocatalyst containing an oleate hydratase. Operation at a higher growth rate markedly increased biomass yields while maintaining catalyst activity and was demonstrated at 150 L scale.
Rebekka Horstmann +6 more
wiley +1 more source
Assessment of Used Motor Oil Recycling Opportunities in the United Arab Emirates
Journal of King Saud University: Engineering Sciences, 2004 The treating and refining of used motor oil in United Arab Emirates (UAE) to convert it to recyclable products are investigated. Opportunities to convert the used motor oil to environmentally friendly products are explored. Laboratory analysis of various
Ahmad Hamad +2 more
doaj +1 more source
Graphene Materials for Sustainable Energy Applications: A Contemporary Perspective
Carbon Energy, EarlyView.ABSTRACT Graphene has garnered significant attention as a promising material with great potential for contributing to sustainable energy initiatives, such as RE100 (100% renewable energy initiative) and CF100 (100% carbon‐free initiative). This review aims to explore the potential of graphene for advancing renewable energy applications by highlighting
Niraj Kumar +3 more
wiley +1 more source
Strategic Management Journal, EarlyView., 2023 Abstract Research Summary Using detailed plant‐ and individual‐level data from a major Japanese cotton spinning company in the early 20th century, we examine the within‐firm allocation of skilled human capital in conjunction with investment in physical capital, accompanying the firm's evolving strategic priorities.
Shotaro Yamaguchi +3 more
wiley +1 more source
Recovery Alternatives for Used Lubricating Oils
EPISTEMUS: Ciencia, Tecnología y Salud, 2022 Used lubricating oil is a valuable resource, in its original and residual form, for this reason some methods for its recovery based on its life cycle were identified as alternatives for its management through management schemes that consider technological and treatment aspects, for the recovery of the base material and its possible reintegration into ...
openaire +1 more source
THE AFTERMARKET ADDITIVES USED IN LUBRICATING OILS
Journal of KONES. Powertrain and Transport, 2015 The paper presents literature review concerning the aftermarket additives used in lubricating oils. Classification, principle of operation and scientific research of aftermarket additive operational effectiveness was presented. In majority of cases lubricating oils modified by aftermarket, additives are tested by means of a four-ball extreme pressure ...
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The Canadian Journal of Chemical Engineering, EarlyView.Abstract Global energy demand and environmental concerns have intensified the search for renewable and sustainable energy sources. This study thus, focuses on optimizing the transesterification process of waste cooking oil (WCO) using thermally activated basic oxygen furnace slag catalyst calcined at 850°C (BOF 850). The optimization and modelling were
Johra S. Ali, Hillary L. Rutto
wiley +1 more source
Water‐based drilling fluids formulated with mature fine tailings
The Canadian Journal of Chemical Engineering, EarlyView.Abstract Mature fine tailings (MFT) are persistent, highly stable colloidal suspensions generated as byproducts of bitumen extraction from oil sands. Given their environmental risks, identifying viable applications for MFT could reduce their accumulation while offsetting natural resource use.
Haichao Li +2 more
wiley +1 more source
Re-Refining of Waste Lubricating Oil by Solvent Extraction [PDF]
Mehran University Research Journal of Engineering and Technology, 2011 Re-refining of waste lubricating oil by solvent extraction is one of the potential techniques. The advantages of solvent extraction technique practically offers from environmental and economic points of view have received due attention.
Hassan Ali Durrani +2 more
doaj