Articles with "alkaline modified" as a keyword



Alkaline Modified Mesoporous Silica Supported Ruthenium Catalyst for Improved α-Amino Acid Synthesis.

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Published in 2024 at "ChemSusChem"

DOI: 10.1002/cssc.202400166

Abstract: Amino acids are a class of compounds with wide-ranging applications. The synthesis of amino acids from biomass-derived α-keto acids and ammonia is a sustainable way but the unstable primary imine intermediates (R-C=NH) easily form oligomers.… read more here.

Keywords: modified mesoporous; mesoporous silica; amino acids; synthesis ... See more keywords

Biosorption of chromium (VI), iron (II), copper (II), and nickel (II) ions onto alkaline modified Chlorella vulgaris and Spirulina platensis in binary systems

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Published in 2022 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-022-19725-7

Abstract: The simultaneous biosorption of chromium (VI), copper (II), iron (II), and nickel (II) was investigated by alkaline-modified Chlorella vulgaris and Spirulina platensis in binary systems. The alkaline modified biosorbents were CV-KCl, SP-KCl, CV-Na2CO3, and SP-Na2CO3.… read more here.

Keywords: alkaline modified; modified chlorella; biosorption chromium; chlorella vulgaris ... See more keywords

Disintegration of waste activated sludge by a combined treatment of alkaline-modified eggshell and ultrasonic radiation

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Published in 2017 at "Journal of environmental chemical engineering"

DOI: 10.1016/j.jece.2017.02.034

Abstract: Abstract In order to improve disintegration performance of waste activated sludge, alkaline-modified eggshell and ultrasonic radiation were introduced. Eggshell was subjected to modification treatment to produce calcium oxide (CaO). The calcium oxide was characterized by… read more here.

Keywords: disintegration; alkaline modified; activated sludge; modified eggshell ... See more keywords