Results 111 to 120 of about 89,782 (344)

Ultrafast Biodiesel Synthesis via K2CO3‐Supported Mg‐Al Hydrotalcite Catalyst With Tailored Basicity and Mesoporous Structure

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT With the increasing global energy demand and the growing prominence of environmental issues, biodiesel has garnered significant attention as a renewable, low‐emission green energy source. Conventional hydrotalcite‐based catalysts often suffer from insufficient basicity and limited accessibility of active sites, leading to relatively long ...
Jingdi Zheng   +4 more
wiley   +1 more source

Optimisation of the acidulation process of soapstock from the neutralisation of rice bran oil

open access: yesGrasas y Aceites, 2004
Soapstock from the neutralisation of rice bran oil was characterised through the most important parameters with direct influence on the acidulation process. A central composite rotational experimental design of two levels was used.
Eliete M. S. Scavariello   +1 more
doaj   +1 more source

Hydrogen‐Enriched Microbial Oil Biodiesel With Hybrid Nanoparticles Impact on Diesel Engine Efficiency and Emissions

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study examines a dual‐fuel enhancement strategy that combines hydrogen enrichment with hybrid nanoparticle (HNP) doping. The aim is to improve combustion, performance, and emission characteristics of microbial oil biodiesel (MOB) in compression ignition engines.
D. Premkumar   +3 more
wiley   +1 more source

Mechanistic Insights Into Photocatalytic Materials for Toxic Pollutants: Environmental Remediation of Personal Care Products

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Photocatalytic materials have emerged as promising solutions for environmental applications due to their ability to degrade organic pollutants under sunlight or artificial light. In this review, recent progress on the photocatalytic materials used for the degradation of pharmaceutical personal care products (PPCPs) in environmental ...
Urvashi Sen   +5 more
wiley   +1 more source

Formulation and Evaluation of Antimicrobial herbal soap of Tridax procumbens for skin care.

open access: yesJournal of Pharmacy, 2023
Introduction: Tridax procumbens has great importance in traditional medicine because of it’s great antibacterial and antifungal properties. It is used for treating skin diseases in many traditions.
Sudha Rani M.V.   +6 more
doaj  

Das Jahrhundert der Beratung: Entwicklung und gesellschaftliche Bedeutung von Beratungsangeboten [PDF]

open access: yes, 2005
In einer sich wandelnden und verunsicherten Gesellschaft werden Beratungsangebote verstärkt nachgefragt. Ihnen kommt die Funktion zu, den Einzelnen bei einer produktiven Lebensbewältigung zu unterstützen und individuelles Leid abzupuffern.
Vossler, Andreas
core  

Performance Investigation of Eco‐Friendly Refrigerant Mixtures as an Alternative to R134a in Vapour‐Compression Refrigeration System

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The growing impacts of climate change and energy scarcity demand environmentally sustainable refrigeration solutions. This study investigates eco‐friendly refrigerants (R152a, R290 and R600a) and their optimized ternary mixture as alternatives to R134a. Four blend compositions were analysed using experimental testing and REFPROP 10.0 modelling
M. Periyasamy, P. Senthilkumar
wiley   +1 more source

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