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Use of Humic Sorbent from Sapropel for Extraction of Palladium Ions from Chloride Solutions
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Abstract
A sorbent was synthesized by thermal processing of sapropel residue after the extraction of humic acids, and subsequently modified with polyhexamethyleneguanidine and humic acids pre-isolated from sapropel. The humic sorbent transformations have been studied under air at the temperature range of 20-1000°C by thermal analysis. The presence of various functional groups on the surface of a humic sorbent from sapropel has been confirmed by IR-spectroscopy. Sorption of palladium and nickel ions from water solutions was studied. The value of static capacity of the synthesized humic sorbent for palladium was 38.8±2.7, and for nickel ions was 32.0±1.8 mg/g, respectively. It has been established that the equilibrium of sorption was described by the Freundlich isotherm equation.
Title: Use of Humic Sorbent from Sapropel for Extraction of Palladium Ions from Chloride Solutions
Description:
Abstract
A sorbent was synthesized by thermal processing of sapropel residue after the extraction of humic acids, and subsequently modified with polyhexamethyleneguanidine and humic acids pre-isolated from sapropel.
The humic sorbent transformations have been studied under air at the temperature range of 20-1000°C by thermal analysis.
The presence of various functional groups on the surface of a humic sorbent from sapropel has been confirmed by IR-spectroscopy.
Sorption of palladium and nickel ions from water solutions was studied.
The value of static capacity of the synthesized humic sorbent for palladium was 38.
8±2.
7, and for nickel ions was 32.
0±1.
8 mg/g, respectively.
It has been established that the equilibrium of sorption was described by the Freundlich isotherm equation.
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