摘要
By orthodox experiment, the main influence factors of desulfurization by sulfolobas of pH value, temperature, coal slurry concentration and coal granularity are studied in detail and the optimal experimental conditions were also obtained. The experimental results demonstrate that sulfolobas being kind of linking-heat, acidophilic and self-supported bacterium with double characters can effectively remove inorganic and organic sulfur in coal. The superlatively desulfurization rate is up to 48.57% total sulfur and 41.71% inorganic sulfur within 10 d and its desulfurization rate can be greatly affected by the four factors above mentioned. Therefore, the optimum conditions of desulfurization are obtained by comprehensive experiment and they are as following: pH value 3, temperature 70℃, coal slurry concentration 10% and coal granularity 150 μm, respectively. Moreover, the repetition experimental results confirm that the desulfurization by sulfolobas is steady.
By orthodox experiment, the main influence factors of desulfurization by sulfolobas of pH value, temperature, coal slurry concentration and coal granularity are studied indetail and the optimal experimental conditions were also obtained. The experimental resultsdemonstrate that sul folobas being kind of linking-heat, acidophilic and self-supported bacteriumwith double characters can effectively remove inorganic and organic sulfur in coal. Thesuperlatively desulfurization rate is up to 48. 57% total sulfur and 41. 71% inorganic sulfur within10 d and its desulfurization rate can be greatly affected by the four factors above mentioned.Therefore, the optimum conditions of desulfurization are obtained by comprehensive experiment andthey are as following: pH value 3, temperature 70℃ , coal slurry concentration 10% and coalgranularity 150μm, respectively. Moreover, the repetition experimental results confirm that thedesulfurization by sul folobas is steady.
基金
TheNationalAdvancedTechnologyResearchandDevelopmentProject (863Project 2 0 0 2AA64 92 2 0 )
作者简介
HE De-wen, postdoctor, born in April 1968, majoring in solid waste pollution control and resource, environ-mental assessment and plan.
