Pore Characterization of Coal of Jharia Coalfield for Coalbed Methane using Pore Image Analysis

Pore Image Analysis (PIA) using ImageJ gives complete analysis of pores. Total no of pores observed in sample (i) and sample (ii) are 821 and 862 respectively. Total area is obtained 28519999.8955 nm2 and 267918253.8076 nm2 for (i) and (ii) respectively. Pores observed are mainly circular with circularity of 0.9148 and 0.8602, solidity is 0.9174 and 0.8924. Average Feret's diameter is 215.9003 nm and 319.2983 nm. Min Feret's diameter is 126.0722 nm and 172.4873 nm. FeretX diameter is 31987.01 and 28936.81 nm FeretY diameter is 23609.91 nm 24045.17 nm. Max Feret's diameter is around 2500 and 9000 nm respectively.