GB/T 220-2018 Translated English of Chinese Standard. (GBT 220-2018, GB/T220-2018, GBT220-2018): Determination of Carboxyreactivity of CoalThis Standard specifies the method summary, reagents and materials, apparatus, sample, test preparation, test procedures, result expression, method precision and test report for the determination of carboxyreactivity of coal. This Standard is applicable to the lignite, bituminous coal, anthracite, and coke. |
Contents
| 3 | |
Scope | 4 |
Apparatus | 5 |
Sample | 6 |
Test Procedures | 8 |
Result Expression | 9 |
Appendix A Normative Adjustment for Flow Rate of Carbon Dioxide | 11 |
Appendix B Informative Drawing of Reactivity Curve Example | 12 |
Common terms and phrases
add broken corundum air pressure value analyze the volume anthracite austenitic gas analyzer broken corundum pieces broken porcelain pieces carbon dioxide gas carbon dioxide reduction Carboxyreactivity of Coal chemically pure chromium-nickel silicon thermocouple coal sample coke constant temperature zone corundum tube Determination of Carboxyreactivity dioxide gas analyzer dioxide reduction rate dry distillation Edition flow rate fraction of carbon gas after reaction Gas scrubbing bottle injecting the carbon inner diameter measuring range Method Summary nickel chromium-nickel silicon online carbon dioxide outer diameter particle size pieces or broken platinum rhodium10 platinum thermocouple potassium hydroxide provisions of GB/T raise the temperature rate of 500mL/min rate of carbon reaction furnace reaction tube reactivity curve Reactivity Measurement Device result report form retorting tube room temperature deviate Round sieve rubber stopper sample with particle sample-filled Sodium hydroxide Standard sulfuric acid Temperature controller Test Report thermowell tube or corundum tube with temperature Tubular retorting furnace volume fraction