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Solubility and absorption rate of CO2 in MEA in the presence of graphene oxide nanoparticle and sodium dodecyl sulfate
Springer Science and Business Media LLC - Tập 10 - Trang 205-212 - 2019
Abdolah Mohammadpour, Masoumeh Mirzaei, Alireza Azimi, Seyed Mostafa Tabatabaei Ghomsheh
The aim of this work is to find the effect of the adding graphene oxide nanoparticle ands dodecyl sulfate (SDS) on the absorption rate and solubility of CO2 in mono-ethanolamine (MEA) solvent. To this end, an experimental setup was designed and constructed to measure the gas solubility in the solvent and the absorption rate during the process. The experiments were conducted at ambient temperature ...... hiện toàn bộ
Synthesis of TiO2/nZVI nanocomposite for nitrate removal from aqueous solution
Springer Science and Business Media LLC - - 2019
Zahra Hejri, Mehri Hejri, Maryam Omidvar, Sadjad Morshedi
Poly(butyl acrylate) gel prepared in supercritical CO2: an efficient recyclable oil-absorbent
Springer Science and Business Media LLC - Tập 11 - Trang 91-99 - 2020
Xiujuan Wu, Jing Li, Jide Wang, Liqin Cao
Oil-absorbing resins containing cross-linked poly(butyl acrylate) (PBA) were synthesized via precipitation polymerization in an environment-friendly route using supercritical carbon dioxide as the reaction media. The PBA resins were then regenerated through subcritical CO2 extraction process. The PBA resins with macroporous structures, prepared at pressures ranging from 17.5 to 24.5 MPa, were char...... hiện toàn bộ
Proximate analysis, rheological properties and technological applications of some Nigerian coals
Springer Science and Business Media LLC - Tập 4 - Trang 1-7 - 2013
Solomon A Ryemshak, Aliyu Jauro
Nigeria is endowed with large coal deposits, but some of them are yet to be explored. A combination of proximate analysis and rheological properties were used in characterizing the newly discovered Tai, Garin Maiganga and Shankodi-Jangwa coals in order to determine their suitable applications. Tai, Garin Maiganga and Shankodi-Jangwa coals were found to have moisture contents of 9.61%, 5.51% and 1....... hiện toàn bộ
Thermal performance of a micro heat exchanger (MHE) working with zirconia-based nanofluids for industrial cooling
Springer Science and Business Media LLC - - 2019
V. Nikkhah, SH. Nakhjavani
An experimental investigation was performed with the view to assess the heat transfer characteristics of a water-based nanofluid in a micro heat exchanger employed to quench a high heat flux heater for industrial and microelectronic cooling applications. The experiments were conducted at heat fluxes 10–70 kW/m2 and for nanofluids at various mass concentrations of 0.1–0.3% and passing flow rates of...... hiện toàn bộ
Hydrothermal gasification of different agricultural wastes in supercritical water media for hydrogen production: a comparative study
Springer Science and Business Media LLC - Tập 7 - Trang 277-285 - 2016
Mohammad Salimi, Farid Safari, Ahmad Tavasoli, Alireza Shakeri
Conversion of different agricultural residues including almond shell, walnut shell, barley straw, canola stalk, rice straw and wheat straw to hydrogen-rich gas was performed via gasification in supercritical water media in a determined condition. Elemental characterization was performed using CHNSO analyzer. Besides, cellulose and lignin contents in biomass structure were determined according to T...... hiện toàn bộ
Optimisation of organic solvent-free polyphenol extraction from Hypericum triquetrifolium Turra using Box–Behnken experimental design and kinetics
Springer Science and Business Media LLC - - 2015
Blagoj Karakashov, Spyros Grigorakis, Sofia Loupassaki, Ioannis Mourtzinos, Dimitris P. Makris
Mild steel corrosion inhibition by aqueous extract of Hyptis Suaveolens leaves
Springer Science and Business Media LLC - Tập 5 - Trang 1-11 - 2014
P. Muthukrishnan, B. Jeyaprabha, P. Prakash
Hyptis suaveolens leaf extract (HSLE) as corrosion inhibitor in 1 M H2SO4 was evaluated using mass loss measurement as well as potentiodynamic polarization and electrochemical impedance spectroscopy measurements. The extract was found to efficiently inhibit the corrosion process in 1 M H2SO4 and inhibition efficiency increased with increasing extract concentration. Maximum inhibition efficiency of...... hiện toàn bộ
Synergism of novel thiuram disulfide and dibenzothiazyl disulfide in the vulcanization of natural rubber: curing, mechanical and aging resistance properties
Springer Science and Business Media LLC - Tập 5 - Trang 1-11 - 2014
Md. Najib Alam, Swapan Kumar Mandal, Kumarjyoti Roy, Subhas Chandra Debnath
Various combinations of synthesized thiuram disulfides (TD), namely Bis (N-phenyl piperazine) thiuram disulfide (PPTD) and Bis (N-ethyl piperazine) thiuram disulfide (EPTD) with mercapto benzothiazole disulfide (MBTS) are studied in natural rubber (NR) vulcanization. At the same time, we also revised the TD-MBTS binary accelerator on the carbon black-filled NR system. An evaluation is prepared bet...... hiện toàn bộ
Phthalocyanine green aluminum pigment prepared by inorganic acid radical/radical polymerization for waterborne textile applications
Springer Science and Business Media LLC - Tập 8 - Trang 17-28 - 2016
Benjamin Tawiah, Benjamin K. Asinyo, William Badoe, Liping Zhang, Shaohai Fu
Polymer-encapsulated phthalocyanine green aluminum pigment was prepared via inorganic acid radical/radical polymerization route, and its properties were investigated by FT-IR, TGA, XPS, SEM, and TEM. SEM and TEM images showed that the aluminum pigment was encapsulated by a thin film of polymer which ensured good anti-corrosive performance in alkaline (pH 12) and acidic (pH 1) mediums. XPS results ...... hiện toàn bộ
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