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The Second China Energy Scientist Forum (CESF 2010 E-BOOK)

Xuzhou,China,10.18-10.19，2010

ISBN: 978-1-935068-37-2 Scientific Research Publishing, USA

E-Book 2244pp Pub. Date: October 2010

Category: Medicine & Healthcare

Price: $360

Title: Study of Extracted Coalmine Gas Storage and Transportation Technology Based on Hydration
Source: The Second China Energy Scientist Forum (CESF 2010 E-BOOK) (pp 1390-1393)
Author(s): Qiang Wu, College of Safety Engineering & Technology, Heilongjiang Institute of Science & Technology, Harbin, China
Taotao Xu, College of Safety Engineering & Technology, Heilongjiang Institute of Science & Technology, Harbin, China
Bo Pang, College of Safety Engineering & Technology, Heilongjiang Institute of Science & Technology, Harbin, China
Baoyong Zhang, College of Safety Engineering & Technology, Heilongjiang Institute of Science & Technology, Harbin, China
Abstract: Accelerating hydrate formation is the key of extracted coalmine gas storage and transportation by using hydrate technique. Using hydrate equipment, the effects of tetrahydrofuran (THF) solution mixture of sodium dodecyl sulfate (SDS) on gas hydrate curing process were studied. The test systems were tetrahydrofuran(THF)solution with molar concentration of 0.3 mol.L-1 and mixture of sodium dodecyl sulfate( SDS) with three different molar concentrations of 0.2 ,0.35 and 0.50mol.L-1. The pressure- temperature-time (p-T-t) curves in the formation process were obtained and the gas hydrate formation rate was calculated based on the formula of gas hydrate formation rate. The results showed that addition of THF solution mixture of SDS solution enhanced the hydrate formation rate to certain extent, leading to the acceleration of gas hydrate formation. Hydrate formation rate tended to improve with the increase of SDS concentration in three text systems and the highest formation rate could get up to 4.522×10-6m3·h-1, with SDS molar concentration of 0.50mol.L-1 .
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