2024-03-29T13:01:21Z
https://meral.edu.mm/oai
oai:meral.edu.mm:recid/900
2021-12-13T01:20:58Z
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Feasibility Studies for the Preparation of Secondary Fuel Mixture from Indigenous Coals for Industrial Firing Purpose
Aye Aye Mar
The present research work is emphasized on exploring alternative uses of
low rank indigenous coals, particularly Tigyit coal and Samlaung coal as
Secondary Fuel Mixtures (SFM). The characteristics such as moisture, ash,
volatile matter, fixed carbon, sulphur contents and calorific value of Tigyit
and Samlaung coals were determined. The morphological nature and
elemental composition of Tigyit and Samlaung coals were also evaluated
based on the monographs of Scanning Electron Microscopy (SEM) method
and Energy Dispersive X-Ray Fluorescence (EDXRF) method. The sulphur
content of run- of- mine coal was reduced using washing operation The
quality of prepared fluid carbon is related to its ingredients, such as, size of
coal, amount of water added and nature of stabilizer being used. Among the
various laboratory tests available for fluid carbon performance test: settling,
specific gravity and viscosity were chosen as basic tools for the present
work. An appropriate amount of (-200) mesh size coal to water, 60:40, and
stabilizer and initiator would have a viscosity such that it would behave like
a truly fluid mixture in the piping system during test-firing. The
combustion characteristics of prepared fluid carbon were simulated by two
diverse firing systems: improvised static firing in make-shift cylindrical
furnace and continuous dispersion / injection system. In the test-firing of
prepared fluid carbon by continuous dispersion system, water vapour in the
flame catalyses and accelerates the combustion of the carbon residue and
exhibited continuous self-sustaining complete combustion.
2016
http://hdl.handle.net/20.500.12678/0000000900
https://meral.edu.mm/records/900