Category: 2016-56-0

Tian, Jia published the artcileSelective flotation separation of ilmenite from titanaugite using mixed anionic/cationic collectors, Safety of Dodecylamineacetate, the publication is International Journal of Mineral Processing (2017), 102-107, database is CAplus.

The flotation behavior of ilmenite and titanaugite using anionic collector sodium oleate (NaOL), cationic collector dodecylamine acetate (DAA) and the mixed anionic/cationic collector (NaOL-DAA) was investigated through micro-flotation experiments, zeta potential measurements, Fourier transform IR (FTIR) analyses, and the artificially mixed minerals flotation experiments The results of the microflotation experiments indicate that DAA exhibits good flotation performance to both ilmenite and titanaugite at a pH > 6.0. The flotation separation of ilmenite from titanaugite can be performed using the mixed NaOL-DAA in a wide pH range of 5.0-7.0. In this pH range, the recovery of ilmenite remains constant at approx. 90%, while the recovery of titanaugite remains < 25%. The best separation result can be achieved with NaOL-DAA molar ratios of 10:1. The results of the zeta potential experiments and the FTIR analyses indicate that the adsorption of the mixed collector, NaOL-DAA, on the ilmenite surface is larger than on the titanaugite surface and that the NaOL-DAA complex might be mainly adsorbed on the ilmenite surface by chem. adsorption, apart from electrostatic adsorption. The synthetic mineral mixture micro-flotation results demonstrate that, compared to NaOL, NaOL-DAA not only increases the recovery and grade of the TiO₂ by 7.02% and 6.71%, resp., but also decreases the reagent consumption by half.

International Journal of Mineral Processing published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C11H21BF4N2O2, Safety of Dodecylamineacetate.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Liu, Bing published the artcileBeneficiation technology study and industrial practice of high-mud sulfide-oxide Pb-Zn ore, Formula: C14H31NO2, the publication is Kuangye (Beijing, China) (2017), 26(1), 32-37, database is CAplus.

The beneficiation technol. study on a high-mud sulfide-oxide Pb-Zn ore in the Lanping area, Yunnan is presented in this paper. Based on the process mineralogy study and considering difficulties associated with conventional processing methods, a combination process of gravity-concentration-and floatation, which includes predesliming, recovering of zinc oxide from muddy by gravity concentration, lead and zinc sulfides floatation followed by oxides flotation, was determined The study used a centrifuge to recover zinc oxide effectively, and the new combined collectors improved the floatability of zinc oxide in flotation processes. The full set of technol. was successfully applied to the mine production, and achieved excellent industrial production indexes.

Kuangye (Beijing, China) published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Formula: C14H31NO2.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Bustamante, Heriberto published the artcileInteraction of dodecylamine and sodium dodecyl sulfate with a low-rank bituminous coal, Formula: C14H31NO2, the publication is Colloids and Surfaces (1984), 12(3-4), 381-99, database is CAplus.

The electrokinetic behavior of a low-rank bituminous coal (Great Northern coal), its carbonaceous matter, and its mineral matter (mainly kaolinite) have been studied. The major contributor to the neg. zeta potential of the coal was the mineral matter, especially at pH <6.0. Flotation tests showed that dodecylammonium cations adsorbed on nonpolar carbonaceous matter decreasing its hydrophobicity, indicating that the mol. orientation of the cations was reversed. On weathered coal, in which both the carbonaceous and the mineral matter were extensively neg. charged, dodecylammonium was adsorbed with the polar group interacting with the surface; therefore, all types of composite grains became hydrophobic. Adsorption of Na?dodecyl?sulfate??[151-21-3] on Great Northern coal was almost an order of magnitude lower than that of dodecylammonium?acetate??[2016-56-0] under all conditions.

Colloids and Surfaces published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Formula: C14H31NO2.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Xu, Longhua published the artcileFlotation and adsorption of mixed cationic/anionic collectors on muscovite mica, Related Products of catalysis-chemistry, the publication is Minerals Engineering (2013), 41-45, database is CAplus.

The adsorption of dodecylamine acetate (DAA), sodium oleate (NaOL) and DAA-NaOL mixtures on muscovite mica were investigated through flotation tests, zeta potential measurements, and pyrene fluorescence tests. The results show that the muscovite mica has a neg. charge over the pH range 2-12. The muscovite mica did not float in the presence of NaOL alone. However, the recovery of muscovite mica ranged from ca. 80% (at pH 2) to 50% (at pH 11) using DDA alone. In the presence of mixed DAA-NaOL, recovery ranged from ca. 80% (at pH 2) to 90% (at pH 11). The individual cationic collectors DAA can be adsorbed strongly onto the muscovite mica, but no significant adsorption of anionic collectors NaOL can be detected by zeta potential measurements. In the mixed systems, the adsorption of both the cationic and anionic collectors are enhanced due to co-adsorption. The presence of NaOL in the mixture decreases the electrostatic head-head repulsion between the surface and ammonium ions and increases the lateral tail-tail hydrophobic bonds. Mol. dynamics (MD) simulations were conducted to further investigate the adsorption of DDA, NaOL, and DAA-NaOL on the (0 0 1) basal planes of muscovite using Materials Studio 5.0 program. The conclusions drawn from theor. computations are in good agreement with exptl. results.

Minerals Engineering published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C17H20ClN3, Related Products of catalysis-chemistry.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Fuerstenau, D. W. published the artcileThe recedence of thick aqueous films in the dewetting of solid surfaces, Application of Dodecylamineacetate, the publication is Colloids and Surfaces, A: Physicochemical and Engineering Aspects (1994), 89(2/3), 193-204, database is CAplus.

The recedence of relatively thick aqueous films from flat solid surfaces was investigated exptl. for two different substrates: paraffin wax and polished Pyrex glass. The wettability of Pyrex was controlled by the addition of dodecylammonium acetate. Using the conservation of energy principle, a model was developed to analyze steady state recedence velocity in terms of the surface free energy change, kinetic energy of the receding liquid, friction loss, kinetic energy loss and gravitational potential energy of the system. A numerical solution of the model was utilized and compared with the exptl. data. The model indicates an insensitivity to viscous dissipation and corroborates not only the thermodn. theory for film recedence, but also the general conceptions of other workers on film movement.

Colloids and Surfaces, A: Physicochemical and Engineering Aspects published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Application of Dodecylamineacetate.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Fuerstenau, D. W. published the artcileThe effect of non-equilibrium adsorption at the solid-vapor interface on the recedence of aqueous films and dewetting of solid surfaces, Safety of Dodecylamineacetate, the publication is Colloids and Surfaces, A: Physicochemical and Engineering Aspects (1994), 89(2/3), 205-12, database is CAplus.

Phenomena involving the recedence of relatively thick films were investigated in the paraffin-water and Pyrex-dodecylammonium acetate-water systems. Non-equilibrium adsorption was found to enhance the dewetting or recedence velocity of aqueous films from the surface of Pyrex glass. An explanation, based on the enhanced zipper-like adsorption at the solid-vapor interface as the liquid-vapor interface is destroyed, is presented to explain in existence of a maximum recedence velocity. These effects are absent in the paraffin-water system. This work reflects recedence behavior in practical non-quiescent systems.

Colloids and Surfaces, A: Physicochemical and Engineering Aspects published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Safety of Dodecylamineacetate.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Hu, Yuehua published the artcileRole of macromolecules in kaolinite flotation, HPLC of Formula: 2016-56-0, the publication is Minerals Engineering (2004), 17(9-10), 1017-1022, database is CAplus.

Flotation tests show that the floatability of kaolinite is much better in an acidic than in an alk. medium containing cationic collectors. The (001) basal planes of kaolinite are found to adsorb cationic collectors favorably, which render the surface hydrophobic. The (001) planes interact with macromols. carrying groups containing -O-, -N-, and/or -F- of high electronegativity, and the resultant flocculation minimizes the exposure of hydrophilic (001) planes. As a result, the cationic flotation of kaolinite is enhanced by the addition of these types of macromols. The zeta potential measurement and macromol. adsorption study indicate that the adsorption of anionic PAM on kaolinite is dominated mainly by hydrogen bonding interactions.

Minerals Engineering published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, HPLC of Formula: 2016-56-0.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Sun, Wei published the artcileNature of (001) and (00^–1) faces and flocculation flotation of kaolinite, COA of Formula: C14H31NO2, the publication is Transactions of Nonferrous Metals Society of China (2003), 13(4), 968-971, database is CAplus.

Flotation mechanism of kaolinite was investigated through flotation test, SEM anal., and quantum chem. simulation calculation The (001) face of kaolinite easily adsorb cationic collector to exhibit hydrophobicity; the (00^–1) face is easily interacted with the reagent carrying the group of high electronegativity (-O-, -N-, F-) to show hydrophilicity. The cationic and anionic polyacrylamide are adsorbed onto the (00^–1) face of kaolinite and the flocculation of kaolinite particles may take place; the (001) faces are exposed to interact with cationic collector to be rendered hydrophobicity. Thus, the macromols. can evidently enhance the flotation of kaolinite in alk. media.

Transactions of Nonferrous Metals Society of China published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C15H24O2, COA of Formula: C14H31NO2.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Ponou, Josiane published the artcileSeparation of palladium and silver from semiconductor solid waste by means of liquid-liquid extraction using dodecyl amine acetate as a surfactant collector, Computed Properties of 2016-56-0, the publication is Separation and Purification Technology (2018), 86-93, database is CAplus.

Liquid-liquid-powder extraction (LLPE) is the process of transferring fine solid particles from one liquid phase to another immiscible liquid in contact across the liquid-liquid boundary using a surface-active agent as a collector. LLPE was applied to semiconductor fine solid waste to extract valuable Pd and Ag particles from Al using dodecyl amine acetate (DAA) surfactant as collector, kerosene as an organic phase and pure water as the aqueous hydrophilic phase. Metal concentrations in each phase was dependent on solution pH, and the recovery of Pd and Ag was highly dependent on this parameter. However, a pH of 10 was optimal for separation of precious metals from Al, with Pd and Ag concentrating in the kerosene phase under this condition. The metal distribution as a function of DAA dosage at pH 10, showed that Pd and Al reached their maximum extraction percentages at a DAA dosage of 0.15%, whereas the Ag extraction percentage reached a maximum at a dosage of 0.2%. Thus, 0.15% was determined to be the optimum DAA dosage, which gave Pd and Ag concentrations 6.05 and 3.6 times higher than the feed, resp., with resp. extraction percentages of 87.78 ¡À 3.72% and 87.42 ¡À 3.81%. Moreover, 74.52 ¡À 7.72% of Al could be separated from Pd and Ag.

Separation and Purification Technology published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Computed Properties of 2016-56-0.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Zheng, Zhuo Qun published the artcileAlkylation of ammonium salts catalyzed by imidazolium-based ionic liquids, Recommanded Product: Dodecylamineacetate, the publication is Advanced Synthesis & Catalysis (2007), 349(7), 1095-1101, database is CAplus.

Quaternary ammonium salts were synthesized from ammonium salts and dialkyl carbonates over imidazolium ionic liquid catalysts. The reaction gave almost stoichiometric amounts of the quaternary ammonium salts for halides and nitrates. It was found that the electron-donating property of the alkyl moieties of ammonium cations, the electrophilic nature of the alkyl group of the carbonate, the acidity of the acid which the anion of the ammonium salt corresponds to, and the steric hindrance of the ammonium salts and the dialkyl carbonates are the key factors that influence the yields of quaternary ammonium salts. Strong electron-donating alkyl groups on the nitrogen atom of the ammonium salt, electron-withdrawing groups on the methylene carbon of dialkyl carbonate, and weaker steric hindrance of the starting ammonium salts and dialkyl carbonates favor the alkylation reaction of ammonium salts.

Advanced Synthesis & Catalysis published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C10H16Br3N, Recommanded Product: Dodecylamineacetate.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia