Use of kansk-achinsk coal semicoke in phosphorite agglomeration

Journal Article · Fri Nov 01 04:00:00 EST 1985 · J. Appl. Chem. USSR (Engl. Transl.); (United States)

OSTI ID:6793373

Mel'nik, A P; Ershov, V A; Lavrov, B A; Ossovskaya, N S

This paper presents laboratory results on the agglomeration of phosphorite fines and the properties of the resulting agglomerate on partial or complete replacement of metallurgical coke by semicoke from fast pyrolysis of Kansk-Achinsk coal. The physicochemical characteristics of the fuels used in the experiments are presented. The brown-coal semicoke differs considerably from coke fines in properties; the semicoke has higher reactivity than the fines, and it burns in air at 500 K. For comparison, the ignition temperature of coke fines is 1200 K. The chemical composition (mass %) of an agglomerated sample of Dzhanatas phosphorite is presented. It was found that fine-grained semicoke from high-speed pyrolysis of Kansk Achinsk coal can be used as a fuel in the agglomeration of phosphorite fines. IR spectroscopy shows that the optimum content of KAU semicoke is 12% as regards the strength characteristics.

• OSTI ID: 6793373
• Journal Information: J. Appl. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Appl. Chem. USSR (Engl. Transl.); (United States) Vol. 58:6,PT. 1; ISSN JAPUA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
ACTIVATION ENERGY
AGGLOMERATION
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COKE
COMPARATIVE EVALUATIONS
CRYSTAL STRUCTURE
DECOMPOSITION
EFFICIENCY
ENERGY
ENERGY SOURCES
FOSSIL FUELS
FUELS
GRAIN SIZE
INFRARED SPECTROMETERS
MATERIALS
MEASURING INSTRUMENTS
MECHANICAL PROPERTIES
MICROSTRUCTURE
PHOSPHATE ROCKS
PHOSPHORITES
PYROLYSIS
QUANTITY RATIO
ROCKS
SEDIMENTARY ROCKS
SEMICOKE
SIZE
SPECTROMETERS
THERMOCHEMICAL PROCESSES
VERY HIGH TEMPERATURE