Single-Stage Solvent Extraction

2019 ◽  
pp. 279-305
Author(s):  
Alan M. Lane
Keyword(s):  
Solvent Extraction ◽  
Single Stage

Single-stage microscale solvent extraction in parallel microbore tubes using a monoblock distributor with integrated microfluidic junctions

2017 ◽  
Vol 52 (14) ◽  
pp. 2213-2223 ◽  
Author(s):  
Mayur Darekar ◽  
K. K. Singh ◽  
J. M. Joshi ◽  
S. Mukhopadhyay ◽  
K. T. Shenoy
Keyword(s):  
Solvent Extraction ◽  
Single Stage

Study on Solvent Extraction of Fast Pyrolysis Bio-Oil

2011 ◽  
Vol 306-307 ◽  
pp. 1532-1536 ◽  
Author(s):  
Qi Kui Tian ◽  
Liang He ◽  
Hang Zhang ◽  
Zhao Lin Lv ◽  
Rui Li
Keyword(s):  
Solvent Extraction ◽  
Ethyl Acetate ◽  
Butyl Acetate ◽  
Extraction Efficiency ◽  
Fast Pyrolysis ◽  
Single Stage ◽  
Low Viscosity ◽  
Bio Oil ◽  
Pyrolysis Reactor

The bio-oil, pyrolyzed in a vacuum fast pyrolysis reactor from larch sawdust, has high percentage of water (45%), low viscosity(9.80 mPa.s) and pH(2.75). The bio-oil sample was analyzed by GC/MS after filtered under vacuum conditions, which contains aldehydes(25.17%), ketons (5.56%), alcohols(11.35%), esters(4.46%), acids(6.54%) and phenols(20.99%). Two schemes, single stage extraction and multistage reflux extraction, were attempted to study the extraction efficiency of solvents, using cyclohexane, dichloromethane, ethyl acetate and butyl acetate. All the fractions were analyzed by GC. Of the four solvents, the efficiency of dichloromethane is highest, while cyclohexane basically has no use. Comparing with single stage extraction, the efficiency of multistage reflux extraction is as high as 1.5 to 3 times. Especially, yields of alcohols and acids, using dichloromethane, are respective 72.39% and 52.27%. However, there is a decline in the extraction for ketons and aldehydes, respectively using dichloromethane and ethyl acetate.

Separation and Recovery of Copper (II), Nickel (II) from Simulated Plating Wastewater by Solvent Extraction Using Lix984

2011 ◽  
Vol 365 ◽  
pp. 252-259 ◽  
Author(s):  
Li Qing Li ◽  
Hong Zhong
Keyword(s):  
Solvent Extraction ◽  
Nickel Alloy ◽  
Extraction Efficiency ◽  
Ph Value ◽  
Single Stage ◽  
Environment Pollution ◽  
Ph Values ◽  
Alloy Plating ◽  
Optimal Ph ◽  
Plating Wastewater

The process of solvent extraction was applied to separate and recover Cu2+ and Ni2+ from plating wastewater from copper and nickel alloy plating process, because there are abundant Cu2+ and Ni2+. And the influence parameters have been investigated. Lix984 was chosen as the extractant due to it has good performance to extract metals from the water. The results showed the separation of Cu2+ and Ni2+ from sulphate medium can be realized by adjusting pH value with the help of Lix984, And more, the optimal pH values for extracting Cu2+and Ni2+ are 4 and 10, respectively. The maximal extraction efficiency for Cu2+ and Ni2+ can reach above to 90.6% and 93.5% by single-stage extraction. The recovered Cu2+ and Ni2+ were stripped in 170g/L and 200g/L H2SO4 medium, respectively. And the stripping of Cu2+ and Ni2+ are >99.2% and >99.4%, respectively. It can be successfully applied to the field of plating wastewater, decreasing the environment pollution from Cu2+ and Ni2+ and providing a kind of new copper and nickel resource.

33: Synchronous Urethral Strictures: Prevalence and 10-Year Experience with Single Stage Reconstruction Via Systematic Retrograde Surgical Approach

2007 ◽  
Vol 177 (4S) ◽  
pp. 12-12
Author(s):  
L. Andrew Evans ◽  
Benjamin Moses ◽  
Kevin Rice ◽  
Craig Robson ◽  
Allen F. Morey
Keyword(s):  
Surgical Approach ◽  
Single Stage ◽  
Urethral Strictures

A SINGLE STAGE ECR SOURCE FOR THE RADIOACTIVE ION BEAM PROJECT IN LOUVAIN-LA-NEUVE

1989 ◽  
Vol 50 (C1) ◽  
pp. C1-813-C1-817
Author(s):  
M. ARNOULD ◽  
F. BAETEN ◽  
D. DARQUENNES ◽  
Th. DELBAR ◽  
C. DOM ◽  
...  
Keyword(s):  
Ion Beam ◽  
Single Stage ◽  
Radioactive Ion Beam ◽  
Ecr Source
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