applications of deep eutectic solvents

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May 15 2018Deep eutectic solvents are environmentally sustainable liquids obtained through the combination of simple readily available precursors Their chemical diversity comes about from the myriad possible combination of precursors leading to the development of solvents with suitable characteristics for particular applications

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Deep eutectic solvents: syntheses properties and applications

Deep eutectic solvents: syntheses properties and applications Within the framework of green chemistry solvents occupy a strategic place To be qualified as a green medium these solvents have to meet different criteria such as availability non-toxicity biodegradability recyclability flammability and low price among others

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Dechema Forschungsinstitut

In the past decades many enzymatic synthesis routes in water-based and nonaqueous (organic solvents ionic or supercritical fluids) reaction media have been developed However no solvent meets every demand for different reaction types at the same time and there is still a need for novel solvents suited for different reaction types and applications Deep eutectic solvents (DESs) have

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Electroless and electrolytic deposition of nickel from

Electroless and electrolytic deposition of nickel from deep eutectic solvents based on choline chloridea M Rostom Ali* Md Ziaur Rahman S Sankar Saha Department of Applied Chemistry and Chemical Engineering University of Rajshahi Rajshahi 6205 Bangladesh Received 22 August 2012 accepted 6 November 2013 The electroless and electrolytic deposition of nickel from a solution

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Deep eutectic solvents: cutting

Deep eutectic solvents (DESs) surmised as "the organic reaction medium of the century" have reverberated a new symphony throughout the present green millennium A brief historical account of the DES systems and their physicochemical properties as task-specific and designer solvents for cross-coupling reactions ar

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Naturex

Dec 17 2015Naturex launches the first-ever NaDES-based botanical collection and expands the science of deep eutectic solvents 12/17/2015 Avignon December 2015 – Nature-inspired products have been setting the trend over the last few years as cosmetic formulators are constantly looking to expand the category in a sustainable way

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Protic ionic liquid‐based deep eutectic solvents with

Protic ionic liquid‐based deep eutectic solvents with multiple hydrogen bonding sites for efficient absorption of NH 3 Yongkang Cao Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing China

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Investigation of Formation Damage By Deep Eutectic

Since our previous work indicated promising results from Deep Eutectic Solvents (DESs DES1 - choline chloride:glycerol = 1:2 and DES2 - choline chloride:urea = 1:2) on enhanced heavy oil recovery we now examine the possible effects of these DESs on sandstone formation damage Core flooding tests were performed at reservoir pressure and different temperatures to measure possible permeability

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Are Natural Deep Eutectic Solvents the

But it is only in recent years that ILs and deep eutectic solvents (DES) have been revisited by chemical engineering because such solvents can replace conventional organic solvents Mixing salts and/or organic compounds may cause a considerable reduction of the melting point turning them into liquids even at very low temperatures Using the liquids made from synthetic chemicals ILs and DES

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Abstract: (Invited) Characterisation of Metal Deposition

However there have been limited investigations into the effect of such additives on electrodeposition from ionic liquids (ILs) and deep eutectic solvents (DESs) Here we will describe the effect of four additives on electrolytic plating of exemplar metals nickel and zinc from an ethyleneglycol based DES these are nicotinic acid (NA

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Sustainable hydrophobic terpene

opposition to what is usually observed for 'deep' eutectic solvents This lack of dominant hydrogen bond interactions results in a low viscosity HES suitable for solvent extraction applications 10 Furthermore the starting compounds are biodegradable and approved for human consumption by various food and drug

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Technology

Title: Glyonic Liquids - Deep Eutectic Solvents Invention: A new class of ionic liquids "glyonic liquids " have been developed based on carbohydrate-lipid chemistry for use as room-temperature ionic liquids deep eutectic solvents and superconducting protonic liquids A wide variety of chemical structures are available and can be synthetically tuned to tailor resultant properties via

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Over Design and Applications of Hydrophobic Deep

Avondlezing door Ir Dannie J G P van Osch georganiseerd door de Rotterdamsche Chemische Kring Samenvatting In 2003 a new class of innovative solvents deep eutectic solvents (DESs) were presented into the literature 1 A DES is the combination of two or more solid components which upon mixing self-associate lowering the melting point It is hypothesized that hydrogen bonding and

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Deep Eutectic Solvents: An Overview of its Application as

Deep Eutectic Solvents: An Overview of its Application as a "Green" Extractant C Andrew*1 E E Etim 1 O A Ushie J N Job2 1Department of Chemical Sciences Federal University Wukari Nigeria 2Department of Chemistry Taraba State University Jalingo 1 INTRODUCTION Globally there is a gradual shift in modern scientific research through the utilization of non-toxic precursor

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Search results for: deep eutectic solvent

Extraction desulfurization using deep eutectic solvents (DESs) is considered as simple cheap highly efficient and environmentally friend process In this work four DESs were designed and synthesized Choline chloride (ChCl) was selected as typical hydrogen bond acceptors (HBA) and ethylene glycol (EG) glycerol (Gl) urea (Ur) and thiourea (Tu) were selected as hydrogen bond donors (HBD

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Glycerol

Deep eutectic solvents (DESs) have been used in many industrial applications DES is a mixture of a salt and a hydrogen bond donor (HBD) In this study 70 DESs were synthesized successfully based on glycerol (Gly) as the HBD with different phosphonium and ammonium salts namely methyl triphenyl phosphonium bromide (MTPB) benzyl triphenyl phosphonium chloride (BTPC) allyl triphenyl

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Deep eutectic solvents are not only effective extractants

Deep eutectic solvents are not only effective extractants Highlights•Deep eutectic solvents (DESs) classification: hydrophobic quasi-hydrophobic •Separation of analytes from liquid solid and gaseous samples using DESs •Formation of DES as driving force of extraction •DESs for decomposition of liquid and solid samples •Application of DESs in chromatographic and electrochemical

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Green and Efficient Extraction of Resveratrol from Peanut

With the aim of development of green extraction technology for separation bioactive compounds from oil processing by-products the present study was to establish a highly efficient and green extraction technology for the extraction of resveratrol from peanut roots using deep eutectic solvents assisted by ultrasonic extraction methods (DESs-UAE)

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Investigation of Deep Eutectic Solvents and Their

Abstract (summary): Deep eutectic solvent (DES) is a liquid typically formed by mixing two solids such as a quaternary ammonium salt (QAS) and a hydrogen bond donor (HBD) It was found that the melting point depression can be statistically correlated with the Hansen solubility parameters of the HBD

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