2011 YÜksek lisans tez özetleri

Organic Petrographic, Organic Geochemical Characteristics of Soma (Manisa-Turkey) Coals and Their Gas Store Capacity

In this study organic petrographical, organic geochemical chracteristics of Soma coals and their gas adsorption capacity are investigated. Furthermore, those organic petrographic and geochemical characteristrics of coals, which control changes in gas adsorption capacity and reasons of these changes, are also investigated.

Towards this aim, 63 samples of KM2 coal seam are collected from selected wells, drilled in the region recently. Using these samples; proximate and ultimate analysis are conducted in order to determine moisture, ash, volatile matter, fixed carbon, carbon, hydrogen, nitrogen, sulphur and oxigen contents of coals. Amount, type and maturity of organic matter in coals and maceral composition and vitrinite reflactance values are defined by Rock-Eval Pyrolysis analysis and by organic petrography, respectively. Gas adsorption capacities are determined by BET-measurements and by subsequent calculation of surface area and pore volume.

Obtained analytical results indicated;

-that Soma coals are lignite to sub-bituminous rank colas according to ASTM standarts

-that they are rich in terrestial organic matter and are therefore humic coals

-that they are not mature enough to generate thermogenic gas according to vitrinite reflectance values, ranging between % 0.35 and 0.48 R_o

-that their gas adsorption capacities can reach up to 47,9 cm³/gr coal.

Gas adsorption capacities decreases with ash, volatile matter, liptinite content and increases with fixed carbon, carbon, total organic carbon (TOC), maturity (T_max and R_o values) and huminite content.
  

TATAR Can

Danışman : Prof.Dr. Süleyman DALGIÇ

Anabilim Dalı : Jeoloji Mühendisliği

Mezuniyet Yılı : 2011

Tez Savunma Jürisi : Prof. Dr. Süleyman DALGIÇ

Prof. Dr. Simav BARGU

Por.. Dr. Ali Malik GÖZÜBOL

Yrd. Doç Dr. Tülay ÖZKAN KÖKSOY

Yrd. Doç Dr. Sadık ÖZTOPRAK