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Thermo-Analysis of Sedimentary Orgaric Matter under Non-Oxygen Condition

Yin Xiaobo; Lain Liwen; Qian Yibo;Zhu Hui; Qi Houfa and Guan Deshi(The Key-open Laboratory of Anaerobic Microbiology of Agriculture Ministry. Chengdu 610041 ) (Institute of Petroleum Exploration and Development. Beijing 100083)  
Non-oxygen thermo-analysis at three different temperatures was Performed for the 19 biogas source rock samples from Ying-Qiong Basin in South China Sea and Qaidam Basin in Qinghai Province. The results showed that the thermo-decomposing temperature was 260-270℃ for polysaccharides (such as cellululose, semi-cellose) and lipid compounds. Also, the thermo-decomposing temperature was lower than 320℃ for most of nucleic acids and proteins.Therefore, the thermo-decomposing value at 330℃ for 1 hr. could be used to estimate the production abundance of biochemical methane.
【CateGory Index】: P618.130.1
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