ERA

Download the full-sized PDF of Laboratory core flooding experiments for bio-conversion of coal with overburden pressureDownload the full-sized PDF

Analytics

Share

Permanent link (DOI): https://doi.org/10.7939/R3NX02

Download

Export to: EndNote  |  Zotero  |  Mendeley

Communities

This file is in the following communities:

Graduate Studies and Research, Faculty of

Collections

This file is in the following collections:

Theses and Dissertations

Laboratory core flooding experiments for bio-conversion of coal with overburden pressure Open Access

Descriptions

Other title
Subject/Keyword
coreflooding
overburden
coal
bioconversion
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Guha, Arnab
Supervisor and department
Nobes, David (Mechanical Engineering)
Mitra, Sushanta (Mechanical Engineering)
Examining committee member and department
Secanell, Marc (Mechanical Engineering)
Zeng, Hongbo (Chemical and Materials Engineering)
Nobes, David (Mechanical Engineering)
Mitra, Sushanta (Mechanical Engineering)
Department
Department of Mechanical Engineering
Specialization

Date accepted
2014-08-27T13:40:55Z
Graduation date
2014-11
Degree
Master of Science
Degree level
Master's
Abstract
An experimental facility was constructed in order to examine the feasibility of the coal bio-conversion under the application of confining pressure. The main purpose of this work was to investigate the effect of confining pressure on methane generation. Core-flooding experiments were conducted for 180 days using a Hassler type core holder with confining pressure at 6205 kPa(g) and back pressure at 3447 kPa(g). Crushed coal with total mass of 666.5 grams and particle size ranging from 150-250 microns was packed inside the core holder. Calculated porosity and permeability of the porous media were 35.65% and 8.53 mD, respectively. The core was flooded initially with 2.2 pore volumes (PV) of mineral salt medium (WR-86) and Tryptone solution to achieve a fully saturated porous media. This was followed by inoculation with 1.3 PV of microbial culture solution (QSAF). In-situ temperature measurements at different locations of the coal pack were obtained using T type thermocouples. Confining pressure had a positive impact on methane generation. Carbon dioxide production was less in the case of core flood runs operated with confining pressure in comparison to the literature results operated without confining pressure. The metabolites formed during the bio-conversion process confirmed anaerobic biodegradation of coal constituents. The temperature of the coal pack was relatively constant throughout the core flooding experiments.
Language
English
DOI
doi:10.7939/R3NX02
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication

File Details

Date Uploaded
Date Modified
2015-01-08T08:01:54.773+00:00
Audit Status
passing
Characterization
File format: pdf (PDF/A)
Mime type: application/pdf
File size: 4124035
Last modified: 2015:10:12 10:25:08-06:00
Filename: Guha_Arnab_201408_MSc.pdf
Original checksum: ad22d58f0abea9e9e5e6eb151777ee1b
Activity of users you follow
User Activity Date