Interactions of cupric ion with humic acid. Master's thesis
Technical Report
·
OSTI ID:7301660
The properties of coal humic acids were examined with the objective of determining their suitability for removing some of the major pollutants associated with the mining and use of coal. The preparation and characterization of coal humic acids is described. Their acid-base and precipitation behavior were determined. Rates and equilibria for leaching of copper from insoluble copper salts by coal humic acids were measured. The formation constants of soluble copper humate chelates were measured. Binding of copper by insoluble coal humic acids in acidic media was investigated. Even at pH values as low as 2, copper is bound to insoluble coal humic acid in water.
- Research Organization:
- Missouri Univ., Columbia (USA). Dept. of Chemistry
- OSTI ID:
- 7301660
- Report Number(s):
- PB-266338
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
CARBONACEOUS MATERIALS
CHELATES
CHELATING AGENTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CLEANING
COAL
COMPLEXES
COPPER
COPPER COMPOUNDS
DISSOLUTION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HUMIC ACIDS
LEACHING
METALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PH VALUE
REMOVAL
SALTS
SEPARATION PROCESSES
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
010600* -- Coal
Lignite
& Peat-- Properties & Composition
CARBONACEOUS MATERIALS
CHELATES
CHELATING AGENTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CLEANING
COAL
COMPLEXES
COPPER
COPPER COMPOUNDS
DISSOLUTION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HUMIC ACIDS
LEACHING
METALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PH VALUE
REMOVAL
SALTS
SEPARATION PROCESSES
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS