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Journal articles on the topic 'Emulsion extraction'

Author: Grafiati

Published: 10 March 2023

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1

Arun, Varun, Samsnavith Segu Jalaludeen, Suryarajan Jayakumar, and Samdavid Swaminathan. "Effect of contacting pattern and various surfactants on phenol extraction efficiency using emulsion liquid membrane." International Journal of Chemical Reactor Engineering 19, no. 7 (2021): 739–47. http://dx.doi.org/10.1515/ijcre-2020-0156.

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Abstract Emulsions prepared using different surfactants, including Span-80, BKC and CTAB, are studied for their stability and phenol remsoval efficiency. The effect of contacting pattern on ELM extraction efficiency is compared in Beaker – Stirrer apparatus and Bubble Flow Recirculation column. The emulsion prepared using Span-80 is relatively more stable than emulsions prepared using other surfactants. The emulsion stability during the extraction process is relatively higher in the Bubble Flow Recirculation column (15 min) than in the Beaker – Stirrer apparatus (10 min). At optimized conditio

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2

V. Yefimov, Stanislav, and Pedro Gil. "One Step Extraction Method, Sample Preparation Procedure for HPLC/MS Analysis of Altrenogest Sesame Oil Solutions [Extraction of altrenogest from sesame oil with acetonitrile, HPLC/MS]." South Asian Research Journal of Pharmaceutical Sciences 4, no. 1 (2022): 17–21. http://dx.doi.org/10.36346/sarjps.2022.v04i01.003.

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The extraction of altrenogest with acetonitrile from sesame oil is not an easy task due to the formation of a stable emulsion. The problem of extracting more than 99% of altrenogest from sesame oil with acetonitrile was solved. The optimal ratio of extractant to extractor was established. This approach allowed for a quantitative analysis of altrenogest in sesame oil solutions by HPLC/MS. A generalization of the proposed approach to cases of altrenogest extraction from stable emulsions was discussed.

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3

Längauer, David, Yu-Ying Lin, Wei-Hsin Chen, Chao-Wen Wang, Michal Šafář, and Vladimír Čablík. "Simultaneous Extraction and Emulsification of Food Waste Liquefaction Bio-Oil." Energies 11, no. 11 (2018): 3031. http://dx.doi.org/10.3390/en11113031.

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Biomass-derived bio-oil is a sustainable and renewable energy resource, and liquefaction is a potential conversion way to produce bio-oil. Emulsification is a physical upgrading technology, which blends immiscible liquids into a homogeneous emulsion through the addition of an emulsifier. Liquefaction bio-oil from food waste is characterized by its high pour point when compared to diesel fuel. In order to partially replace diesel fuel by liquefaction bio-oil, this study aimed to develop a method to simultaneously extract and emulsify the bio-oil using a commercial surfactant (Atlox 4914, CRODA,

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Nunez, Cristian, Ramin Dabirian, Ilias Gavrielatos, Ram Mohan, and Ovadia Shoham. "Methodology for Breaking Up Nanoparticle-Stabilized Oil/Water Emulsion." SPE Journal 25, no. 03 (2020): 1057–69. http://dx.doi.org/10.2118/199892-pa.

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Summary A state-of-the-art portable dispersion characterization rig (P-DCR) is applied to study emulsions with Exxsol™ mineral oil (ExxonMobil Chemical Company, Houston, Texas, USA), commercial distilled water, and hydrophobic silica nanoparticles (NPs) as emulsifiers. The emulsion is prepared in the P-DCR batch-separator vessel, whereby the separation kinetics are observed and recorded. In this study, emulsion breakup by the integration of oil extraction/water addition and a stirring process is investigated, which is formed with 25% water cut (WC) and 0.01% w/w hydrophobic NPs (dispersed in t

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5

Mitbumrung, Wiphada, Numphung Rungraung, Niramol Muangpracha, Ploypailin Akanitkul, and Thunnalin Winuprasith. "Approaches for Extracting Nanofibrillated Cellulose from Oat Bran and Its Emulsion Capacity and Stability." Polymers 14, no. 2 (2022): 327. http://dx.doi.org/10.3390/polym14020327.

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The pretreatment process is an essential step for nanofibrillated cellulose production as it enhances size reduction efficiency, reduces production cost, and decreases energy consumption. In this study, nanofibrillated cellulose (NFC) was prepared using various pretreatment processes, either chemical (i.e., acid, basic, and bleach) or hydrothermal (i.e., microwave and autoclave), followed by disintegration using high pressure homogenization from oat bran fibers. The obtained NFC were used as an emulsifier to prepare 10% oil-in-water emulsions. The emulsion containing chemically pretreated NFC

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Kluge, Johannes, Lisa Joss, Sebastian Viereck, and Marco Mazzotti. "Emulsion crystallization of phenanthrene by supercritical fluid extraction of emulsions." Chemical Engineering Science 77 (July 2012): 249–58. http://dx.doi.org/10.1016/j.ces.2011.12.008.

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7

Linares-Devia, Natalia, Javier Arrieta-Escobar, Yolima Baena, Alvaro Orjuela, and Coralia Osorio. "Development and Characterization of Emulsions Containing Ground Seeds of Passiflora Species as Biobased Exfoliating Agents." Cosmetics 9, no. 1 (2022): 15. http://dx.doi.org/10.3390/cosmetics9010015.

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Ground seeds from three species of the genus Passiflora, P. ligularis, P. edulis Sims fo edulis, and P. mollissima, were obtained by extraction, drying, grinding, and sieving, and their physicochemical properties (morphology, hardness, and proximal analysis) were compared to those of commercial exfoliant seeds from passion fruit. Particle sizes between 0.5 and 1 mm were obtained, and their properties were similar to the commercial product except for the extractable material content that was higher. Subsequently, prototypes of an exfoliating cosmetic product were developed by using the ground s

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8

Ghetiu, Iuliana, Ioana Gabriela Stan, Casen Panaitescu, Cosmin Jinescu, and Alina Monica Mares. "Surfactants Efficiency in Oil Reserves Exploatation." Revista de Chimie 68, no. 2 (2017): 273–78. http://dx.doi.org/10.37358/rc.17.2.5435.

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The use of surfactants in the process of water separation from crude oil emulsions formed at extraction is an effective solution in the treatment of crude oil. But perfecting this technology to a higher degree of efficiency, in order to destabilize the emulsion formed, requires the determination of the parameters involved in the design and the correlation of the obtained results. This research also aims at finding optimal solutions that increase the degree of water separation from emulsions using surface-effective solutions to destabilize the emulsion layer. This research was basedon data from

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9

Kerimova, Z. K., and K. Y. Alieva. "Production of emulsion crème from the Izabella grape seeds and the study of its pharmacocosmetological properties." Reviews on Clinical Pharmacology and Drug Therapy 10, no. 3 (2012): 50–52. http://dx.doi.org/10.17816/rcf10350-52.

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Using the method of polyfraction extraction, the oil, spiritus and water extractions from the Izabella grape seeds were received by means of hexane taking out, the emulsion crème of the water/oil type on that base was developed. The treatment effect of emulsion crème on the thermic and chemical burnings was determined in the experiment. During the primary cosmetology trial the emulsion crème was effective for removal and prevention of wrincklies.

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10

Fouad, Elsayed Ali. "Optimizing Emulsion Liquid Membrane Process for Extraction of Nickel from Wastewater Using Taguchi Method." International Journal of Research in Science 3, no. 1 (2017): 1. http://dx.doi.org/10.24178/ijrs.2017.3.1.01.

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Abstract--The main objectives of this research were focused on extracting nickel ions from waste water using emulsion liquid membrane as well as determining the optimal conditions for the extraction process. Taguchi experimental design method was applied to determine the optimum extraction conditions. The controllable factors of the emulsion liquid membrane process were carrier; surfactant; and internal phase concentration, treating ratio, stirring time, and feed phase acidity were optimized. The contribution of each controllable factor was also explored. The results indicated the greatest eff

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11

Opriş, Ocsana, Ildiko Lung, Maria-Loredana Soran, et al. "Efficient Extraction of Total Polyphenols from Apple and Investigation of Its SPF Properties." Molecules 27, no. 5 (2022): 1679. http://dx.doi.org/10.3390/molecules27051679.

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The purpose of this study was to evaluate the sun protection factor (SPF) of cosmetic emulsions with the addition of hydroalcoholic apple extract. First, the total polyphenolic content, the antioxidant activity and SPF properties of the extracts obtained by sonication and refluxing were evaluated. The two extraction methods were improved using the central composite design. For cosmetic emulsion that contained a different concentration of apple extract (10–40%), a SPF value between 0.51 and 0.90 was obtained. The most efficient apple extract was obtained by reflux using 50% ethanol and a 60 min

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12

Olawuyi, Ibukunoluwa Fola, Jong Jin Park, Gwang Deok Park, and Won Young Lee. "Enzymatic Hydrolysis Modifies Emulsifying Properties of Okra Pectin." Foods 11, no. 10 (2022): 1497. http://dx.doi.org/10.3390/foods11101497.

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Okra pectins (OKPs) with diverse structures obtained by different extraction protocols have been used to study the relationship between their molecular structure and emulsifying properties. A targeted modification of molecular structure offers a more rigorous method for investigating the emulsifying properties of pectins. In this study, three glycoside hydrolases, polygalacturonase (PG), galactanase (GL), and arabinanase (AR), and their combinations, were used to modify the backbone and side-chains of OKP, and the relationships between the pectin structure and emulsion characteristics were exa

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Akkar, Suheila Abd Alreda, and Sawsan Abd Muslim Mohammed. "Design of Intelligent Network to Predicate Phenol Removal from Waste Water by Emulsion Liquid Membrane." Materials Science Forum 1021 (February 2021): 115–28. http://dx.doi.org/10.4028/www.scientific.net/msf.1021.115.

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This research introduced Intelligent Network's proposed design for predicting efficiency in the removal of phenol from wastewater by liquid membrane emulsion. In the inner phase of W / O emulsions, phenol extraction from an aqueous solution was investigated using emulsion liquid membrane prepared with kerosene as a membrane phase, Span 80 as a surfactant, and NaOH as a stripping agent. Experiments were conducted to investigate the effect of three emulsion composition variables, namely: surfactant concentration, membrane phase to-internal (VM / VI) volume ratio, and removal phase concentration

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14

Santoso, Imam, and Buchari Buchari. "EFFECT OF MATRICES ON PERCENT EXTRACTION OF SILVER (II) FROM BLACK/WHITE PRINTING PHOTOGRAPHIC WASTE USING EMULSION LIQUID MEMBRANE TECHNIQUE." Indonesian Journal of Chemistry 1, no. 3 (2010): 149–56. http://dx.doi.org/10.22146/ijc.21942.

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Extraction of silver (I) has been studied from black/white printing photographic waste by emulsion liquid membrane technique. Composition emulsion at the membrane phase was cerosene as solvent, sorbitan monooleat (span 80) as surfactant, dimethyldioctadesyl-ammonium bromide as carrier and as internal phase was HNO3. Optimum condition was obtained: ratio of internal phase volume and membrane phase volume was 1:1 : concentration of surfactant was 2% (v/v) : time of making emulsion was 20 second : rate of stiring emulsion was 1100 rpm : rest time emulsion was 3 second : rate of emulsion volume an

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15

Fouad, E., F. Ahmad, and K. Abdelrahman. "Optimization of Emulsion Liquid Membrane for Lead Separation from Aqueous Solutions." Engineering, Technology & Applied Science Research 7, no. 5 (2017): 2068–72. http://dx.doi.org/10.48084/etasr.1390.

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This study focuses on evaluating the process parameters and their effects on extraction of lead as well as emulsion breaking. The Signal / Noise ratios have been used to study the performance characteristics. Six parameters affecting extraction by emulsion liquid membrane, namely, TOPO, Span80, and internal phase concentration, feed/emulsion ratio, agitation time and feed pH have been optimized with considerations to lead extraction and emulsion breaking. The standardized effects of the independent variables and their interactions were tested by the analysis of variance (ANOVA) with 95% confid

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16

Basuki, Kris Tri. "MATHEMATICAL MODELING FOR THE EXTRACTION OF URANIUM AND MOLYBDENUM WITH EMULSION LIQUID MEMBRANE, INCLUDING INDUSTRIAL APPLICATION AND COST EVALUATION OF THE URANIUM RECOVERY." Jurnal Forum Nuklir 2, no. 1 (2008): 63. http://dx.doi.org/10.17146/jfn.2008.2.1.3284.

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MATHEMATICAL MODELING FOR THE EXTRACTION OF URANIUM AND MOLYBDENUM WITH EMULSION LIQUID MEMBRANE, INCLUDING INDUSTRIAL APPLICATION AND COST EVALUATION OF THE URANIUM RECOVERY. Emulsion liquid membrane systems are double emulsion drops. Two immiscible phases are separated by a third phase which is immiscible with the other two phases. The liquid membrane systems were classified into two types: (1) carrier mediated mass transfer, (2) mass transfer without any reaction involved. Uranium extraction, molybdenum extraction and solvent extraction were used as purposed elements for each type of the me

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17

Liu, Xiao Rong, Chang Su, Dao Jie Chi, Xue Song Zheng, Hua Long Yu, and Jun Hui Shen. "Diversity of Bioleaching Microorganisms in Interfacial Emulsion of Copper Solvent Extraction." Advanced Materials Research 1130 (November 2015): 55–58. http://dx.doi.org/10.4028/www.scientific.net/amr.1130.55.

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In the bioleaching - solvent extraction - electrowinning practices for copper extraction, the solvent extraction process is used to enrich the copper in the leachate to a high lever to make the sequent electrowinning process possible. O/W type of interfacial emulsion always forms at the interface between organic phase and aqueous phase in the solvent extraction practices. Diversified microorganisms were discovered by microscope growing in the interface emulsion of copper solvent extraction. The diversity of them was analyzed by using 16s rRNA gene sequencing. It was indicated that there exist

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Bouranene, Saliha. "Study Of The Stability Of Water-In-Oil Emulsion Intended for the Extraction of Heavy Metals Application: Copper Ions." Volume 4 issue 2 4, no. 2 (2021): 62–69. http://dx.doi.org/10.48103/jjeci482021.

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This work aims to optimize the parameters that affect the stability of a W/O emulsion to exploit it in the extraction of heavy metals contained in the liquid effluents. The study of the emulsion stability shows that; an emulsification time of 10 minutes, a surfactant concentration of Span80 equal to 3% (w/w), an extractant concentration of Triethylamine N(CH2CH3)3 equal to 5% (w/w), an internal phase concentration of phosphoric acid (H3PO4) of 0.75M, a volume ratio of membrane phase to internal phase of 1, a volume ratio of external phase to the emulsion of 20 and a stirring speed of 180 rpm;

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19

Ren, Gaihuan, Zhanzhao Li, Dongxu Lu, et al. "pH and Magnetism Dual-Responsive Pickering Emulsion Stabilized by Dynamic Covalent Fe3O4 Nanoparticles." Nanomaterials 12, no. 15 (2022): 2587. http://dx.doi.org/10.3390/nano12152587.

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Herein, we describe pH and magnetism dual-responsive liquid paraffin-in-water Pickering emulsion stabilized by dynamic covalent Fe3O4 (DC-Fe3O4) nanoparticles. On one hand, the Pickerinfigureg emulsions are sensitive to pH variations, and efficient demulsification can be achieved by regulating the pH between 10 and 2 within 30 min. The dynamic imine bond in DC-Fe3O4 can be reversibly formed and decomposed, resulting in a pH-controlled amphiphilicity. The Pickering emulsion can be reversibly switched between stable and unstable states by pH at least three times. On the other hand, the magnetic

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20

Setiarso, Pirim, and Selvi Purwanti N. "THE EXTRACTION OF NICKEL(II) AND COPPER(II) USING LIQUID MEMBRANE EMULSION TECHNIQUE." Indonesian Journal of Chemistry 6, no. 2 (2010): 186–88. http://dx.doi.org/10.22146/ijc.21758.

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Research on the extraction of Nickel(II) and Copper(II) using liquid membrane emulsion technique has been conducted. The purpose of this research is to know the influence of pH, extraction time and presence of competed metals (Ni2+ in Cu2+ and vice versa) toward the membrane extraction capability. In this research, 84 mL of Ni2+ and Cu2+ with concentration of 100 ppm, each, was extracted using pH variation (4.0, 4.5, 5.0, 5.5, 6.0). The optimum pH will be used to obtain the time of equilibrium and influence of the competed ions. Time variations (15, 20, 25, 30, 35 minute) were used with the co

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Estribillo, A. G. M., J. P. Rivadeneira, P. J. V. Gaban, and K. A. T. Castillo-Israel. "Comparative study on chemical and emulsion properties of 'Saba' banana [Musa acuminata x balbisiana (BBB group) 'Saba'] peel pectin from different extraction methods." Food Research 6, no. 2 (2022): 83–92. http://dx.doi.org/10.26656/fr.2017.6(2).182.

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This study was conducted to investigate the chemical characteristics and emulsion properties of pectin from 'Saba' banana peel extracted using three different methods, namely, acid extraction using citric acid, enzymatic extraction using cellulase, and microwave-assisted extraction. Per cent yield, moisture and ash contents, equivalent weights, methyl and anhydrouronic acid contents, and the degree of esterifications were determined for each pectin extracted using the three different methods. Characterization of the extracted pectin revealed that all 'Saba' peel pectins (SBPs) had a high degre

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Chimsook, Thitiphan. "Microwave Assisted Extraction of Avocado Oil from Avocado Skin and Encapsulation Using Spray Drying." Key Engineering Materials 737 (June 2017): 341–46. http://dx.doi.org/10.4028/www.scientific.net/kem.737.341.

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The aim of this work was to extract the avocado oil from avocado skin. This oil was used to prepare the emulsion and encapsulation using spray drying. For the oil extraction, the efficiency of microwave assisted extraction (MAE) and soxhelt method was evaluated. The results indicated that MAE at 600 W for 15 min using 2-methyltetrahydrofuran gave the highest yield percentage. The emulsion preparation of avocado oil from MAE was prepared using the wall materials of maltodextrin and the Hi-Cap. The combinations of maltodextrin and Hi-Cap showed 100% stability for 24 hours, with no phase separati

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Sahida, Sahida, Baharuddin Hamzah, and Siti Nuryanti. "Emulsion Stability Tes and Effect of HNO3 Concentration in the Internal Phase on Cadmium Ion Extraction using Liquid Membrane Emulsion Technique." Jurnal Akademika Kimia 9, no. 1 (2020): 34–39. http://dx.doi.org/10.22487/j24775185.2020.v9.i1.pp34-39.

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Study on the emulsion stability and cadmium ion extraction tests was performed using the liquid membrane emulsion technique. This study aimed to determine the emulsion stability between the membrane phase and the internal phase with the variation of the ratio (2:1, 1:1, 2:3, and 1:2), and to determine the maximum conditions of cadmium ion extraction in a solution including the various concentration of HNO3 solution 1, 1.5, 2, and 2.5 M. This study is a laboratory experimental method using benzoyl acetone compound as cation carrier, kerosene as membrane phase, HNO3 solution as the internal phas

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Bakircioglu Kurtulus, Yasemin, Dilek Bakircioglu, Alper Can Babac, Selcuk Yurtsever, and Nukte Topraksever. "Extraction of Cu, Fe, Mn, and Ni from Margarine Samples Using Extraction Induced by Emulsion Breaking Procedure Prior to Graphite Furnace Atomic Absorption Spectrometry and Comparison of Results to Provisional Tolerable Daily Intake Values." Journal of AOAC INTERNATIONAL 103, no. 5 (2020): 1256–63. http://dx.doi.org/10.1093/jaoacint/qsaa028.

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Abstract Background The emulsion induced by emulsion breaking (EIEB) procedure was previously reported for the extraction of copper, iron, manganese, and nickel from liquid oil samples such as vegetable oil. Objective To optimize the EIEB procedure for determination of copper, iron, manganese, and nickel in solid oil (margarine) samples by Graphite Furnace Atomic Absorption Spectrometry (GFAAS). Methods The extraction procedure uses a surfactant in nitric acid to form an emulsion followed by heating to break the emulsion. Optimization included variation of the test portion size, the type and c

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Zarandi, Masoud Nasiri, and Amirhossein Soltani. "Emulsion Liquid Membrane Design in Vitro for Removal of Lead from Aqueous Solution." Oriental Journal of Chemistry 34, no. 6 (2018): 2747–54. http://dx.doi.org/10.13005/ojc/340609.

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The purpose of this study was to investigate the extraction of lead by emulsion liquid membrane as an effective alternative to conventional lead extraction methods. The emulsion included D-2-ethylhexyl phosphoric acid (D2EHPA) as a carrier, paraffin and kerosene composition as an organic solvent, Span 80 as an emulsifier and sulfuric acid as an internal stripping phase. In this project, 7 effective factors in extraction of lead were chosen by emulsion liquid membrane, which included concentration of sulfuric acid in the internal phase, volume ratio of the emulsion to external phase (Rew), the

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Hidayah, Nurul, Baharuddin Hamzah, and Purnama Ningsih. "Pengaruh Konsentrasi Surfaktan dan Perbandingan Volume Emulsi dengan Volume Fasa Eksternal Pada Ekstraksi Ion Merkuri Menggunakan Teknik Emulsi Membran Cair." Jurnal Akademika Kimia 6, no. 3 (2018): 165. http://dx.doi.org/10.22487/j24775185.2017.v6.i3.9440.

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Mercury ion extraction has been done using emulsion liquid membrane technique a research. The aim of the study is to determine the optimal conditions at the extraction process of mercury ion with research variables, namely variations of the surfactant concentration and the volume ratio of emulsion and external phase (Ve:Veks). In this study, the sample was 20 mg/L of Hg2+ ions in concentration. The concentration of mercury ions remaining in the sample after extraction were analyze using a UV-Vis Spectrophotometer at a wavelength of 490 nm using ditizon as complexation. The optimum condition fa

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Al Badareen, M., I. Kayali, and M. Hanania. "Extraction and Microemulsion of Lupin Protein." Asian Journal of Chemistry 34, no. 11 (2022): 2942–46. http://dx.doi.org/10.14233/ajchem.2022.23923.

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In present study, protein and oil were extracted from sweet and bitter lupin that were used to define the phase behaviour of a three-component system (lupin oil, Tween 80/propylene glycol and water/lupin protein). Ternary phase diagrams were constructed and the optimum area of ternary phase diagrams corresponding to the formation of microemulsions were identified using emulsion titration method. Phase inversion composition method was applied, which involved the spontaneous formation of microemulsion, characterized by visual observation for their phase separation and optical clarity (e.g. trans

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Jusoh, Norela, Norasikin Othman, Leonie Lenta Anak Alfred Ambi, Norul Fatiha Mohamed Noah, Muhammad Bukhari Rosly, and Hilmi Abdul Rahman. "Empirical correlation of stable double emulsion system of organic compound extraction in emulsion liquid membrane process." Malaysian Journal of Fundamental and Applied Sciences 18, no. 2 (2022): 197–205. http://dx.doi.org/10.11113/mjfas.v18n2.2328.

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The stability of emulsion is crucial in the emulsion liquid membrane (ELM) process. It has been discovered that the size of emulsion droplets and globules is related to ELM stability and can be predicted using a correlation model. In this study, the best correlation for the emulsion size prediction was determined for ELM extraction of succinic acid. Several parameters affecting the emulsion sizes and stability including emulsification speed, emulsification time, agitation speed, and treat ratio were evaluated. A new correlation for the succinic acid system was obtained that fit experimental da

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Santoso, Imam, Bachri Amran, and Apriliana Laily Fitri. "SEPARATION OF PENICILLIN G FROM FERMENTATION BROTH BY EMULSION LIQUID MEMBRANE TECHNIQUE." Indonesian Journal of Chemistry 10, no. 1 (2010): 46–50. http://dx.doi.org/10.22146/ijc.21496.

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The separation of penicillin G from fermentation broth can be done by emulsion liquid membrane technique. The aim of this research is to establish the optimal conditions for the extraction and separation of penicillin G using emulsion liquid membrane technique. The optimal conditions were found to be at ratio of internal phase volume to membrane phase volume of 1:1 ; time of making emulsion, 1 min ; emulsion contact rate, 300 rpm; rate of stirring of emulsion, 2000 rpm ; rest time of emulsion, 13 min; concentration of penicillin G as external phase, 375 ppm; and concentration of surfactant, 5%

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Verma, Vaishali, Amita Gupta, and Vijay K. Chaudhary. "Emulsion PCR made easy." BioTechniques 69, no. 1 (2020): 64–69. http://dx.doi.org/10.2144/btn-2019-0161.

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Emulsion PCR (ePCR) is an important technique that permits amplification of DNA molecules in physically separated picoliter-volume water-in-oil droplets, and thus avoids formation of unproductive chimeras and other artifacts between similar DNA sequences. However, the recovery of ePCR products involves repeated extraction with hazardous organic solvents followed by purification using silica-based columns, making the overall process cumbersome. In this benchmark, we have described a quick ePCR extraction protocol for the purification of ePCR products, which directly employs silica-based DNA pur

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Jiang, Cheng Zhi, Xiu Jing Zhai, Ting An Zhang, and Yan Qiu Tan. "Simultaneity Extraction of Iron and Nickel from Acidic Leaching Solution of Laterite Ores with Emulsion Liquid Membrane." Advanced Materials Research 391-392 (December 2011): 1287–90. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.1287.

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The W/O/W double emulsion was prepared using Span-80 as surfactant, tributyl phosphate (TBP) as extractant, NH3•H2O solution as internal aqueous phase and kerosene as diluting agent. Simultaneity extraction of Iron and Nickel are from acidic leaching solution of laterite ones with the emulsion liquid membrane. The effects of various factors on the extractive result have been examined and discussed. The suitable composition of liquid membrane was: Span-80=5 %; TBP=4 %; NH3•H2O =2 mol/L; kerosene =89 %. And technological operating condition was determined as follows: Roi=1:1; Rew=1:3; sulphate s

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Hamzah, Baharuddin, Noor Jalaluddin, Abdul Wahid Wahab, and Ambo Upe. "Pengaruh Ion Kadmium(II) dan Nikel(II) pada Ekstraksi Ion Tembaga(II) dengan Ekstraktan 4-Benzoil -1-Fenil-3-Metil- 2- Pirazolin-5-On Menggunakan Emulsi Membran Cair." Jurnal Natur Indonesia 13, no. 3 (2012): 269. http://dx.doi.org/10.31258/jnat.13.3.269-275.

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The effects of cadmium(II) and nickel(II) ions to copper(II) extraction using liquid membrane emulsion with 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-on (HPMBP) as an extractant was studied. The optimum condition forcopper(II) extraction were as follows: emulsification rate=2000 rpm, emulsification time=10 minutes, extractionrate=300 rpm, extraction time=15 minutes, concentration of mixed surfactant (span 80+span 20)=3%, volumeratio of membrane phase and internal phase=1:1, concentration of HPMBP=0.020 M, concentration of HCl=1M,volume ratio of emulsion and external phase=1:7. The result showe

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Pratiwi, Hesti, Ni Luh Ari Yusasrini, and I. Nengah Kencana Putra. "PENGARUH pH EKSTRAKSI TERHADAP RENDEMEN, SIFAT FISIKO-KIMIA DAN FUNGSIONAL KONSENTRAT PROTEIN KACANG GUDE (Cajanus cajan (L.) Millsp.)." Jurnal Ilmu dan Teknologi Pangan (ITEPA) 7, no. 1 (2018): 1. http://dx.doi.org/10.24843/itepa.2018.v07.i01.p01.

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   The purpose of this research are to know the effect of pH extraction on yield, physico-chemical and functional properties of pigeon pea protein concentrate, and also to know the appropriate pH extraction to obtain the best yield and properties of pigeon pea protein concentrate. The research was using Randomized Complete Design with pH extraction treatment which consist of five levels were 9; 9,5; 10; 10,5; and 11. The parameters were observed consist of yield, physical properties (lightness), chemical properties (protein and moisture), and protein’s functional properties (

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BRAJA FAHAD, QURESHI, QURESHI KHADIJA, KHATRI ZEESHAN, MALIK SAMANDER ALI, RAJPUT A. WAQAR, and BHATTI INAMULLAH. "Efficient removal of Indigo dye from aqueous solution by an innovative method of emulsion liquid membrane." Industria Textila 69, no. 06 (2019): 472–77. http://dx.doi.org/10.35530/it.069.06.1482.

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Extraction of Indigo dye from aqueous solution is studied in this research using Emulsion Liquid Membrane (ELM). Water/Oil (W/O) emulsion was prepared by mixing aqueous phase with organic phase at an elevated homogenizing speed. H2SO4 and Hexane were used as internal stripping agent and organic diluent respectively. Monooleate Sorbitan commonly known as Span-80 was used as surfactant in organic phase. This W/O emulsion was later mixed with external feed phase containing Indigo dye to make W/O/W double emulsion. Stability of the membrane was optimized by experimenting different operating parame

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Al-Damluji, Farrah Emad, and Ahmed A. Mohammed. "Performance Evaluation of Emulsion Liquid Membrane on Chlorpyrifos Pesticide Removal: Stability, Mass Transfer Coefficient, and Extraction Efficiency Studies." Engineering, Technology & Applied Science Research 13, no. 1 (2023): 9872–78. http://dx.doi.org/10.48084/etasr.5401.

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Emulsion Liquid Membrane (ELM) is an emerging technology that removes contaminants from water and industrial wastewater. This study investigated the stability and extraction efficiency of ELM for the removal of Chlorpyrifos Pesticide (CP) from wastewater. The stability was studied in terms of emulsion breakage. The proposed ELM included n-hexane as a diluent, span-80 as a surfactant, and hydrochloric acid (HCl) as a stripping agent. Parameters such as mixing speed, aqueous feed solution pH, internal-to-organic membrane volume ratio, and external-to-emulsion volume ratio were investigated. A mi

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Chaudhuri, J. B., and D. L. Phyle. "Emulsion liquid membrane extraction of organic acids—I. A theoretical model for lactic acid extraction with emulsion swelling." Chemical Engineering Science 47, no. 1 (1992): 41–48. http://dx.doi.org/10.1016/0009-2509(92)80198-l.

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Hamidon, Nurul Hazirah, Dayang Norulfairuz Abang Zaidel, and Yanti Maslina Mohd Jusoh. "Optimization of Pectin Extraction from Sweet Potato Peels Using Citric Acid and its Emulsifying Properties." Recent Patents on Food, Nutrition & Agriculture 11, no. 3 (2020): 202–10. http://dx.doi.org/10.2174/2212798411666200207102051.

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Background: Pectin is a natural polysaccharide that has been used widely as a stabilizer in food emulsion system. Objective: This study aimed to optimize the yield of pectin extracted from sweet potato residue and investigate its emulsifying properties. Methods: Response surface methodology (RSM) has been utilized to investigate the pectin extracted from sweet potato peels using citric acid as the extracting solvent. Investigation of the effect of different extraction conditions namely temperature (°C), time (min) and solution pH on pectin yield (%) were conducted. A Box-Benhken design with th

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Amin, Alif Hidayatullah, Baharuddin Hamzah, and Purnama Ningsih. "Pengaruh Konsentrasi Surfaktan Campuran (Span 80 dan Span 20) dan Rasio Volume Emulsi/Fasa Eksternal terhadap Ekstraksi Ion Kadmium (Cd) Menggunakan Teknik Emulsi Membran Cair." Jurnal Akademika Kimia 7, no. 4 (2018): 210. http://dx.doi.org/10.22487/j24775185.2018.v7.i4.11948.

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Research on the extraction of cadmium(II) ion has been performed using the emulsion liquid membrane technique. This research used laboratory experimental method using benzoyl acetone as a carrier, kerosene as a membrane, nitric acid solution as an internal phase, span 80 and span 20 as a surfactant, and cadmium(II) solution as a sample. The present study was conducted to determine the optimum conditions of cadmium(II) ion extraction in solutions comprising variations in surfactant concentration of spans 80 and span 20 mixtures (1.5–3.5%) and variations in the ratio of emulsion/external phase (

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Itri, Simona, Marianna Gallo, Carlo Orefice, et al. "Oil Bodies Cream from Olive Paste: Extraction of a Functional Ingredient for Developing a Stable Food Emulsion." Applied Sciences 12, no. 12 (2022): 6019. http://dx.doi.org/10.3390/app12126019.

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Oil bodies (OBs) dispersed in an aqueous medium form a natural emulsion with high physical and microbiological stability. This work was focused on the development of a new protocol for extracting OBs from olive paste, through the extraction of an olive oil body cream (OOBC) with a yield of about 43% (wt/wt) in approximately 2 h. The proximate analysis revealed the presence of moisture, lipids and proteins as well as the contents of polyphenols and flavonoids, and the antioxidant powers were determined. The rheological and tribological performances of the OOBC were evaluated. Moreover, we measu

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Veselá, M. "Amaranth seed extraction by propan-2-ol after enzymatic treatment." Czech Journal of Food Sciences 22, SI - Chem. Reactions in Foods V (2004): S177—S178. http://dx.doi.org/10.17221/10653-cjfs.

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A process of amaranth seed grinding followed by extraction was studied. For fat emulsion stability impairment the enzyme G-Zyme<sup>®</sup>G999 was used. Using this process the improved fat separation was achieved.

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Никонова, Н. Н., Т. В. Хуршкайнен, and А. В. Кучин. "Mathematical planning of experiments to optimize the extraction of extractive substances from needles of Pinus sylvestris." Известия СПбЛТА, no. 235 (June 1, 2021): 221–37. http://dx.doi.org/10.21266/2079-4304.2021.235.221-237.

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Представленная работа посвящена определению оптимальных условий выделения суммы экстрактивных веществ из древесной зелени сосны методом эмульсионной экстракции. Экологически безопасный эмульсионный метод экстракции растительного сырья в водно-щелочной среде не уступает традиционным методам извлечения низкомолекулярных компонентов и позволяет эффективно выделять как гидрофильные, так и гидрофобные соединения. Объектом данного исследования являются отходы лесозаготовок - древесная зелень сосны обыкновенной - источник природных биологически активных веществ, имеющих практическое применение. Опред

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Durve, Mihir, Andriano Tiribocchi, Andrea Montessori, Marco Lauricella, and Sauro Succi. "Machine learning assisted droplet trajectories extraction in dense emulsions." Communications in Applied and Industrial Mathematics 13, no. 1 (2022): 70–77. http://dx.doi.org/10.2478/caim-2022-0006.

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Abstract This work analyzes trajectories obtained by YOLO and DeepSORT algorithms of dense emulsion systems simulated via lattice Boltzmann methods. The results indicate that the individual droplet’s moving direction is influenced more by the droplets immediately behind it than the droplets in front of it. The analysis also provide hints on constraints of a dynamical model of droplets for the dense emulsion in narrow channels.

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Wu, Xinghui, Mingshuo Luo, Li Zhao, et al. "Emulsification characteristics of soy hull polysaccharides obtained by membrane separation." International Food Research Journal 29, no. 5 (2022): 1215–25. http://dx.doi.org/10.47836/ifrj.29.5.22.

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Membrane separation technology was used to separate and purify the microwave-assisted oxalic acid extraction of soy hull polysaccharides (MOSP) in order to obtain samples of different molecular weights. The emulsification characteristics of the MOSP were investigated including protein adsorption, polysaccharide adsorption, interfacial tension, emulsion index, and particle size; optical microscopy and Phenom electron microscopy were used to elucidate the emulsion structures. In addition, Fourier transform infrared spectroscopy (FT-IR), atomic force microscopy (AFM), and high-performance gel-fil

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Koliastasi, Aikaterini, Vasiliki Kompothekra, Charilaos Giotis, et al. "Emulsifiers from Partially Composted Olive Waste." Foods 8, no. 7 (2019): 271. http://dx.doi.org/10.3390/foods8070271.

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Partial (one month) composting of solid olive processing waste is shown to produce extractable emulsifiers. Size exclusion chromatography (SEC) and Fourier-transform infra-red spectroscopy (FTIR) show that these consist of polysaccharides and proteins from the composted waste. Aqueous extraction at pH 5, pH 7, and pH 9 all yield extracts rich in oligosacchrides and oligopeptides which derive from the break-down of the macromolecules under composting, with the extract obtained at pH 5 being the richer in such components. Fourier-transform infra-red (FTIR) spectroscopy also confirms that these m

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Östbring, Karolina, María Matos, Ali Marefati, Cecilia Ahlström, and Gemma Gutiérrez. "The Effect of pH and Storage Temperature on the Stability of Emulsions Stabilized by Rapeseed Proteins." Foods 10, no. 7 (2021): 1657. http://dx.doi.org/10.3390/foods10071657.

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Rapeseed press cake (RPC), the by-product of rapeseed oil production, contains proteins with emulsifying properties, which can be used in food applications. Proteins from industrially produced RPC were extracted at pH 10.5 and precipitated at pH 3 (RPP3) and 6.5 (RPP6.5). Emulsions were formulated at three different pHs (pH 3, 4.5, and 6) with soy lecithin as control, and were stored for six months at either 4 °C or 30 °C. Zeta potential and droplet size distribution were analyzed prior to incubation, and emulsion stability was assessed over time by a Turbiscan instrument. Soy lecithin had sig

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Sulniawati, Sulniawati, Baharuddin Hamzah, and Paulus Hengky Abram. "Ekstraksi Ion Merkuri MenggunakanTeknik Emulsi Membran Cair dengan Variasi Konsentrasi Benzoil Aseton dalam Fasa Membran dan Variasi pH Fasa Eksternal." Jurnal Akademika Kimia 6, no. 4 (2018): 232. http://dx.doi.org/10.22487/j24775185.2017.v6.i4.9454.

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Mercury ion extraction using the liquid membrane emulsion technique with the variation of benzoil aseton concentration in membrane phase and variation of pH of external phase has been done. The sample containing Hg2+ ions with a concentration of 20 mg/L. Variation of benzoil aseton were concentration of 0.01 M, 0.015 M, 0.02 M and 0.025 M, whereas variation of external phase pH used were 1,5; 2; 2,5; 3 and 3,5. The measurement of extraction was conducted by using UV-Vis spectrophotometer. The results showed that the largest percent extraction on the extraction of mercury ions in solution by us

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Sevda G l, Sevda G. l., and Aynur Manzak and G. k. en etinel Aynur Manzak and G k en etinel. "Prediction of Succinic Acid Extraction Efficiency in the Emulsion Liquid Membrane by using Machine Learning Techniques." Journal of the chemical society of pakistan 43, no. 2 (2021): 104. http://dx.doi.org/10.52568/000561/jcsp/43.02.2021.

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This research aims to predict succinic acid concentration in the external phase during the emulsion liquid membrane process by using artificial neural networks along with a popular alternative method: k-nearest neighbor technique. The solute concentration values can be predicted by the proposed method without performing a great number of emulsion liquid membrane experiments. Several computer simulations were performed to demonstrate the success of the system. Simulation results showed that the estimated solute concentration values are very close to the achieved experimental results. The optima

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Sevda G l, Sevda G. l., and Aynur Manzak and G. k. en etinel Aynur Manzak and G k en etinel. "Prediction of Succinic Acid Extraction Efficiency in the Emulsion Liquid Membrane by using Machine Learning Techniques." Journal of the chemical society of pakistan 43, no. 2 (2021): 104. http://dx.doi.org/10.52568/000561.

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This research aims to predict succinic acid concentration in the external phase during the emulsion liquid membrane process by using artificial neural networks along with a popular alternative method: k-nearest neighbor technique. The solute concentration values can be predicted by the proposed method without performing a great number of emulsion liquid membrane experiments. Several computer simulations were performed to demonstrate the success of the system. Simulation results showed that the estimated solute concentration values are very close to the achieved experimental results. The optima

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Mohd Harun, Mohd Hazarel Zairy, and Abdul Latif Ahmad. "Optimisation of Ibuprofen Extraction by Emulsion Liquid Membrane Using Box-Behnken Design." Journal of Physical Science 33, no. 2 (2022): 95–105. http://dx.doi.org/10.21315/jps2022.33.2.6.

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Emulsion liquid membrane (ELM) is a potential method for extracting ibuprofen (IBP) from aqueous solution. The concentrations of the carrier, surfactant and internal phases are important parameters to optimise the extraction efficiency of IBP. The Box-Behnken design (BBD) is used to optimise the main parameters of ELM, which are Aliquat 336 (A), Span 80 (B) and sodium carbonate, Na2CO3 (C). The responses were calculated using quadratic polynomial regression and the model suggests a significant result with the experimental data set, with the F-value and p-value calculated at 17.88% and 0.05%, r

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Algburi, Dr Abbas K. "Continuous Separation Process of Water-in-Crude Oil Emulsion by Simultaneous Application of an Electrical Field Combined with a Novel Absorbent Based on Functionalised PolyHIPE Polymer." Journal of Petroleum Research and Studies 11, no. 4 (2021): 91–113. http://dx.doi.org/10.52716/jprs.v11i4.565.

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During the extraction process of crude oil, the removal of water from a high stability water-in-crude oil emulsions is life-threatening for the production of a profitable product. However, several technologies of separation exist today, e.g. stripping columns, centrifugal separators, coalescence separators, vacuum distillation systems and gravity separators, almost all of these approaches are not able to completely remove water from water-in-crude oil emulsions besides their high cost. In this study, the preparation of a high internal phase emulsion (HIPE) was achieved on a laboratory sc

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