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    Manganese is an important industrial metal used as an additive for production of various steels, non-ferrous alloys, electronic components and special chemicals. The traditional electrowinning process is not suitable for the production of high-purity manganese. Therefore, a novel ion exchange - electrorefining process for production of high-purity manganese is proposed to solve the problems ...

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    2015-3-2 · Purpose – The purpose of this paper is to synthesise an electro-active monomer containing ketonic resins and then to investigate the redox reaction between Fe+3 and bound thiophene in comonomer. First, thiophene-functionalised ketonic resins were synthesised by esterification reaction of thiophene-2-carbonyl chloride (ThCCl) and hydroxyl groups of cyclohexanone formaldehyde resin …

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    2016-11-18 · Alternate Name Aluminium Chloride Hydroxide Chemical Name Polyaluminium Chloride Chemical Family Inorganic salt Molecular Formula [Al2(OH)nC l6-n]m Molecular Weight 133.5 -174.5 Appearance Yellow to brown powder Odor Slight chlorine odor pH (1% aqueous solution) 3.5-5.0 Melting Point No Data Solubility (Water) 100% Soluble

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    2016-11-18 · Alternate Name Aluminium Chloride Hydroxide Chemical Name Polyaluminium Chloride Chemical Family Inorganic salt Molecular Formula [Al2(OH)nC l6-n]m Molecular Weight 133.5 -174.5 Appearance Yellow to brown powder Odor Slight chlorine odor pH (1% aqueous solution) 3.5-5.0 Melting Point No Data Solubility (Water) 100% Soluble

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    and gel pieces. 10. Load the samples. 11. Run the gel at 6 V/cm till the lower dye front reaches the three thirds of the gel. 12. Soak the gel for about 15 min in 1X TBE to remove the urea prior to staining. 13. Stain the gel in a 0.5 碌g/ml ethidium bromide aqueous solution for about 30 min. 14. Examine the gel under the UV light.

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    2021-1-23 · Consequently, the removal of these pollutants with high toxicity, even when present at low concentrations, has been increasingly studied in the scientific world [5,6]. Several techniques have been developed based on hybrid systems [ 7 ], membrane filtration [ 8 ] and biological degradation [ 9 ] to reduce the content of pollutants in water.

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    Flat sheet asymmetric membranes were produced from homogenous solution of Poly(vinylideneflouride) (PVDF) via phase inversion method using N-methyl-2-pyrrolidone (NMP) as the solvent. While the poly ether b-amide (PEBAX) was dissolve by using of (70 ethanol and 30 water) as a solvent and and lithium chloride as a additives.

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    2 天前 · Kawe Gidaa-naanaagadawendaamin Manoomin. Launched in January 2018, Kawe Gidaa-naanaagadawendaamin Manoomin (First We Must Consider Manoomin/Psin) is a collaboration among tribes, intertribal treaty organizations, and University of Minnesota faculty, staff, and students, that prioritizes tribal views on the cultural significance and ecology of Manoomin Psiη (Wild Rice), and the …

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    The quality of water is continuously under threat as increasing concentrations of pollutants escape into the aquatic environment. However, these issues can be alleviated by adsorbing pollutants onto adsorbents. Chitosan and its composites are attracting considerable interest as environmentally acceptable adsorbents and have the potential to remove many of these contaminants. In this review …

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  • ferric chloride coagulation: Topics by Science.gov

    Ferric chloride modified zeolite in wastewater on Cr (VI) adsorption characteristics. NASA Astrophysics Data System (ADS) Wu, Xiaoqing; Zhang, Kang; Chen, Wen; Zhang, Hua. 2018-03-01. Zeolite was modified by ferric chloride (Fe-Z) removal Cr (VI) ion from wastewater. The results showed that the effect of Cr(VI) adsorption on modified zeolite depended significantly on pH.

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    2018-4-1 · ferric chloride solution: Topics by Science.gov. Hydrolysis of ferric chloride in solution. SciTech Connect. Lussiez, G.; Beckstead, L. 1996-11-01. The Detox {trademark} process uses concentrated ferric chloride and small amounts of catalysts to oxidize organic compounds. It is under consideration for oxidizing transuranic organic wastes.

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    2014-11-1 · poly vinyl chloride (PVC) (Robert and Martin, 1954; Haines and Joyner, 1955). The high. price of this product in comparison with plasticizers obtained from phthalic acid made it. economically non competitive. The plasticizers from phthalic acid used in medical devices. and toys have been recently found to be toxic. Their use has already been ...

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