Liquid extraction
LIQUID-LIQUID EXTRACTION OF AROMATICS FROM HYDROCARBON MIXTURES IN CAPILLARIES
... the extraction of acetic acid from kerosene using water as the solvent in a glass-chip channel employing the slug flow ...an extraction efficiency of 97 %. Kashid et al. (2007) carried out ...
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Recovery of metals from highly concentrated acid mine drainage by liquid-liquid extraction
... in liquid-liquid extraction processes aiming to; concentrate and purify zinc from the leaching solutions, such as; Di-(2-ethylhexyl) phosphoric acid (D2EHPA), TBP, Bis-(2,4,4-trimethylpentyl) ...
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Optimization of liquid-liquid extraction step for clavulanic acid from fermentation broth using solvent mixtures.
... OF LIQUID-LIQUID EXTRACTION STEP FOR CLAVULANIC ACID FROM FERMENTATION BROTH USING SOLVENT ...the extraction stage of clavulanic acid (CA), which is one of the steps in the purification ...
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Analysis of pesticides in water using liquid-liquid extraction with partition at low temperature and high performance liquid chromatography.
... USING LIQUID-LIQUID EXTRACTION WITH PARTITION AT LOW TEMPERATURE AND HIGH PERFORMANCE LIQUID ...the liquid-liquid extraction technique with partition at low temperature ...
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Recovery of zinc from metal-plating industrial wastewaters by liquid-liquid extraction
... to liquid-liquid extraction is highly advantageous, allowing the extractant to accumulate significantly more ...the extraction efficiency of the extractant decreased from 97% with A/O=1:1 to ...
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Hydrodynamics of gas-agitated liquid-liquid extraction columns
... competitive liquid-phase hydrogenation of cyclohexanone and cyclohexene catalyzed, by Ru catalyst in the presence of water ...and liquid-liquid extraction ...The extraction of hydrogen ...
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Fast Determination of Benzodiazepines in Human Urine via Liquid-Liquid Extraction with Low Temperature Partitioning and LC-HRMS
... innovative extraction/cleanup procedure, namely liquid-liquid extraction with low-temperature partitioning (LLE-LTP), and analysis by liquid chromatography combined with high-resolution ...
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LIQUID-LIQUID EXTRACTION EQUILIBRIUM FOR PYRUVIC ACID RECOVERY: EXPERIMENTAL DATA AND MODELING
... the extraction equilibrium which specifically considers physical ...the extraction system were optimized by regression technique and the model equations have been ...suitable extraction system and ...
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Liquid-liquid extraction in flow systems.
... Assim sendo, os dispositivos usados em sistemas com baixas vazões totais (representadas pela somatória das vazões das duas fases imiscíveis) e razão volumétrica entre fase aquosa e orgân[r] ...
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LIQUID-LIQUID EXTRACTION AND SPECTROPHOTOMETRIC DETERMINATION OF IRON USING ACETOPHENONE 2’,5’-DIHYDROXY THIOSEMICARBAZONE (ADHTS) AS A NEW ANALYTICAL REAGENT
... optimum extraction conditions were evaluated by studying various parameters like pH, solvent, reagent concentration, equilibration time and stability of extracted ...
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OPTIMIZATION OF THE EXTRACTION OF FREE FATTY ACIDS APPLIED TO BIODIESEL PRODUCTION
... The liquid-liquid extraction of free fatty acids (FFA) from residual oils and fats for biodiesel production, employing methanol as the solvent, has been optimized using process simulation and ...
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J. Braz. Chem. Soc. vol.8 número6
... the liquid-liquid extraction of the iron(III)-TAC (1-(2-thiazolylazo)-p-cresol ) complex, followed by a back extraction or a mineralization process of the organic phase is ...
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Avaliação de endócrinos e do micropoluente colesterol em estações de tratamento de esgoto sanitário
... natural and synthetic estrogens and their conjugates in sewage sludge by pressurized liquid extraction and liquid chromatography – tandem mass spectrometry. Investigati[r] ...
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J. Braz. Chem. Soc. vol.24 número4
... liquid-liquid extraction (HLLE) methods, solvents of higher density than water ...homogeneous liquid-liquid extraction (LDMHLLE) for determination of TPH and PAH from sediment ...
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Braz. J. Pharm. Sci. vol.47 número1
... speciic liquid chromatography-tandem mass spectrometry (LC–MS/MS) method for the quantiication of naratriptan (NP) in human plasma using naratriptan-d3 (NPD3) as an internal standard ...The ...
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J. Braz. Chem. Soc. vol.17 número4
... In analytical chemistry, liquid-liquid extraction (LLE) enjoys a favored position among separation techniques because of its simplicity, speed and wide scope. This method is also frequently used in ...
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Rev. bras. farmacogn. vol.25 número2
... pressurized liquid extraction, dispersive liquid–liquid microextraction and dispersive solid phase extraction have been described in the literature for the analysis of pesticide ...
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ANTIMYCOBACTERIAL ACTIVITY OF A BREVIBACILLUS LATEROSPORUS STRAIN ISOLATED FROM A MOROCCAN SOIL Mohammed Hassi1 ; Souraya El Guendouzi1 ; Abdelleatif Haggoud1 ; Susana David2 ; Saad Ibnsouda1 ; Abdellah Houari1; Mohammed Iraqui1
... The antimycobacterial activity was also studied after a liquid-liquid extraction using ethyl acetate and ether solvents. The isolated clones were cultivated under agitation on LB medium at 37°C for ...
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J. Braz. Chem. Soc. vol.20 número5
... solvent extraction (PSE) ...high-performance liquid chromatography coupled with diode array detector ...Soxhlet extraction for the soybean oil and solid-liquid extraction followed by ...
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Liquid-liquid equilibrium for water furfural extraction using different solvents and temperatures in the software aspen plus / Equilíbrio líquido-líquido para extração de furfural da água usando diferentes solventes e temperaturas no software aspen plus
... of liquid-liquid equilibrium (LLE) can provide insights for understanding the process of furfural extraction of water by extraction in biorefinery plants, which produces high value-added ...or ...
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