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Hydrocarbon Generation Potential and Organic Matter Enrichment Mechanism of the Cambrian Marine Shale in the Tadong Low Uplift, Tarim Basin

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ACTA GEOLOGICA SINICA-ENGLISH EDITION 2024年第5期98卷 1301-1321页

作者： Miao, Huan Wang, Yanbin Jiang, Zhenxue Zhao, Shihu Shang, Peng Gong, Xun Tao, Chuanqi Zhang, Yu China univ Petr Natl Key Lab Petr Resources & Engn Beijing 102249 Peoples R China China univ Petr Unconvent Oil & Gas Sci & Technol Res Inst Beijing 102249 Peoples R China China univ Min & Technol Coll Geosci & Surveying Engn Beijing 100083 Peoples R China SINOPEC Petr Explorat & Prod Res Inst Beijing 102206 Peoples R China PetroChina Changqing Oilfield Co Gas Prod Plant 2 Yulin 719000 Shaanxi Peoples R China Peking univ Sch Earth & Space Sci Beijing 100871 Peoples R China liaoning petrochem univ Sch Civil Engn Fushun 113001 Liaoning Peoples R China

Cambrian shales in China and elsewhere contain abundant oil and gas resources. However, due to its deep burial and limited outcrop, there has been relatively little research conducted on it. The Cambrian shale of the Tadong low uplift in the Tarim Basin of western China, specifically the Xidashan-Xishanbulake Formation (Fm.) and overlying Moheershan Fm. provide a case study through the use of organic petrology, mineralogy, organic and elemental geochemistry, with the aim of analyzing and exploring the hydrocarbon generation potential (PG) and organic matter (OM) enrichment mechanisms within these shale formations. The results indicate that: (1) the Cambrian shale of the Tadong low uplift exhibits relatively dispersed OM that consists of vitrinite-like macerals and solid bitumen. These formations have a higher content of quartz and are primarily composed of silica-based lithology; (2) shale samples from the Xidashan-Xishanbulake and Moheershan formations demonstrate high total organic carbon (TOC) and low S-2 content. The OM is predominantly type I and type II kerogens, indicating a high level of maturation in the wet gas period. These shales have undergone extensive hydrocarbon generation, showing characteristics of relatively poor PG; (3) the sedimentary environments of the Xidashan-Xishanbulake and Moheershan formations in the Tadong low uplift are similar. They were deposited in warm and humid climatic conditions, in oxygen-deficient environments, with stable terrigenous inputs, high paleoproductivity, high paleosalinity, weak water-holding capacity, and no significant hydrothermal activity; and (4) the relationship between TOC and the paleoproductivity parameter (P/Ti) is most significant in the Lower Cambrian Xidashan-Xishanbulake Fm., whereas correlation with other indicators is not evident. This suggests a productivity-driven OM enrichment model, where input of land-derived material was relatively small during the Middle Cambrian, and the ancient water exhibi

关键词： Conventional resources hydrocarbon generation potential geochemistry sedimentary environment enrichment mechanism organic matter Cambrian Tadong low uplift SOUTH CHINA CONSTRAINTS SOURCE-ROCK EVALUATION TURPAN-HAMI BASIN GEOCHEMICAL CHARACTERISTICS BLACK SHALES RARE-EARTH NW CHINA LOWER ORDOVICIAN SILICEOUS ROCKS TRACE-ELEMENTS

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A Frequency-Response Study on Sorption of Thiophene and Benzene on NiY Zeolite

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China Petroleum Processing & petrochemical Technology 2011年第2期13卷 24-28页

作者： Lai Junling1,2 Song Lijuan1,2 Sun Zhaolin1,2(1.Colledge of Chemistry & Chemical Engineering,China university of Petroleum(East China),Dongying 257061 2.liaoning Key Laboratory of petrochemical Engineering,liaoning Shihua university) China univ Petr E China Dongying 257061 Peoples R China liaoning Shihua univ Liaoning Key Lab Petrochem Engn Liaoning Peoples R China

The adsorption behavior of thiophene and benzene on NiY zeolite has been investigated by the frequency response(FR) *** FR spectra of thiophene and benzene on NiY zeolite were recorded at 302-335 K in a pressure range of 26.6-266 *** results showed that adsorption was found to be the rate-controlling process for the thiophene/NiY zeolite system,and there were two different adsorption *** kinds of adsorption models have been proposed,namely:the S-M interaction(low frequency adsorption) and the π-complexation(high frequency adsorption).High frequency adsorption obeyed the Langmuir *** combining the FR method and Langmuir model,the adsorption site of high frequency adsorption process at 302 K and 335 K was 3.172 mmol/g and 2.974 mmol/g,respectively,and on the combined adsorption isotherms,the adsorption site of the low frequency adsorption process at 302 K and 335 K was 0.308 mmol/gand 0.436 mmol/g,*** low frequency adsorption process(S-M interaction) was the main adsorption *** diffusion process was the rate-controlling process for the benzene-NiY zeolite system.

关键词： frequency response thiophene benzene NiY zeolite adsorption site

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Adsorption and Desorption of Thiophene Vapor on NaY/NiY Zeolites

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China Petroleum Processing & petrochemical Technology 2010年第2期12卷 45-50页

作者： Liu Daosheng~(1,2) Song Lijuan~2 Ju Xiufang~2 Duan Linhai~2 Sun Zhaolin~(1,2) (1.College of Chemistry & Chemical Engineering,China university of Petroleum(East China),Dongying 257061 2.liaoning Key Laboratory of petrochemical Engineering,liaoning Shihua university) China univ Petr E China Coll Chem & Chem Engn Dongying 257061 Peoples R China liaoning Shihua univ Liaoning Key Lab Petrochem Engn Liaoning Peoples R China

FT-IR spectrometry, TPD and adsorption isotherms of thiophene on NaY/NiY zeolites were carried out and the diffusion coefficient was obtained by means of its real-time dynamic curves. The loading of thiophene adsorbed on the NaY zeolite decreased with an increasing temperature, which was ascribed to the patterns of physical adsorption. Both physical and chemical adsorption phenomena were detected on the NiY zeolite, with the 0 complexation and S-M interaction existing during the chemical adsorption. The loading of thiophene adsorbed on the NiY zeolite at 302 K and 335 K was equal, but it decreased at 373 K. The diffusion coefficient of thiophene on the NaY zeolite decreased when the loading increased to more than 0.02 mmol/g, and on the contrary that of thiophene on the NiY zeolite did not change obviously with the loading adsorbed.

关键词： adsorption diffusion coefficient temperature-programmed desorption (TPD)

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MULTI-PEAK MATCH INTENSITY RATIO METHOD OF QUANTI-TATIVE X-RAY DIFFRACTION PHASE ANALYSIS

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Acta Metallurgica Sinica(English Letters) 2003年第6期16卷 489-494页

作者： G. Chu, Y.F. Cong and H.J. YouResearch Center of Analysis and Test, liaoning university of Petroleum & Chemical Technology, Fushun 113001, China Res. Ctr. of Analysis and Test Liaoning Univ. of Petrochem. Tehnol. Fushun 113001 China

A new method for quantitative phase analysis is proposed by using X-ray diffraction multi-peak match intensity ratio. This method can obtain the multi-peak match intensity ratio among each phase in the mixture sample by using all diffraction peak data in the mixture sample X-ray diffraction spectrum and combining the relative intensity distribution data of each phase standard peak in JCPDS card to carry on the least square method regression analysis. It is benefit to improve the precision of quantitative phase analysis that the given single line ratio which is usually adopted is taken the place of the multi-peak match intensity ratio and is used in X-ray diffraction quantitative phase analysis of the mixture sample. By analyzing four-group mixture sample, adopting multi-peak match intensity ratio and X-ray diffraction quantitative phase analysis principle of combining the adiabatic and matrix flushing method, it is tested that the experimental results are identical with theory.

关键词： X-ray diffraction multi-peak match intensity ratio quantitative phase analysis

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Preparation and Characterization of Molybdotungstoniobogermanic Acid

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Chinese Chemical Letters 1998年第5期9卷 505-508页

作者： Sheng Xian XU (Liaoyang petrochemical Institute, Liaoyang 111003)Guo Qiang HU Qing Yin WU Yu Lin SONG (Deparatment of Chemistry, liaoning university, Shenyang 110036) Liaoyang petrochem Inst Liaoyang 111003 Peoples R China liaoning univ Dept Chem Shenyang 110036 Peoples R China

A new heteropoly complex has been prepared and characterized by chemical analysis, IR spectrum, UV spectrum, X-ray powder diffraction and thermal analysis.

关键词： heteropoly preparation characterization molybdotungstoniobogermanic acid

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Study on Desulfurization of Naphtha by Modified Y Zeolite

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China Petroleum Processing & petrochemical Technology 2011年第4期13卷 41-44页

作者： Cao Zhitao Zhu Dan Shi Hongbo Zhang Shuyuan Wang Ying (Research Institute of PetroChina Liaoyang petrochemical Company, Liaoyang 111003) PetroChina Liaoyang petrochem Co Res Inst Liaoning 111003 Peoples R China

NH4Y zeolite was prepared through ion-exchange of NaY zeolite with an ammonium salt. Then LaY zeolite was obtained through a secondary ion-exchange of NHaY zeolite with a rare earth salt solution followed by calcination of the zeolite product. Dynamic adsorptive desulfurization of naphtha was conducted in the presence of the modified LaY zeolite, and the sulfur content of the treated naphtha samples was analyzed by microcoulometry. The test results showed that under dynamic conditions the LaY zeolite prepared through secondary ion-exchange of NH4Y zeolite, which was prepared using 1.0 mol/L ammonium salt, with the rare earth salt exhibited a better desulfurization efficiency. Furthermore, the LaY zeolite achieved a best desulfurization effect at an adsorption temperature of 45 ℃ and an adsorbent/oil ratio of 1：2.

关键词： modified ion exchange calcination adsorption desulfurization

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FLOW　INJECTION　SPECTROPHOTOMETRIC　DETERMINATION　OF　VITAMIN　B_1　AND　VITAMIN　B_2　IN　MULTIVITAMIN

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Chinese Chemical Letters 1995年第8期6卷 705-706页

作者： Chang, H Yang, JN Fushun Petr Inst Petrochem Dept Fushun 113001 Peoples R China liaoning univ Dept Chem Shenyang 110036 Peoples R China

Vitamin B1 reacts with diazo-aminobenzene sulfonic acid to form a red complex in a basic mcdium and there is absorption of vitamin B2 at 440 nm. A flow injection lspectrophotometric determination of the two medicaments is described based on these *** method was simple and a high selecuivity and sampling rate of 60 *** dynamic linear ranges were 0-100 μg ml-1 of vitamin B1 and 0-80 μ g ml-1 of vitamin B2,*** relative standard deviation was 0.2881%(n=10)for vitamin B1.

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