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Zhao-Yang Chen

Bio: Zhao-Yang Chen is an academic researcher from Chinese Academy of Sciences. The author has contributed to research in topics: Hydrate & Clathrate hydrate. The author has an hindex of 33, co-authored 143 publications receiving 3735 citations.


Papers
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TL;DR: The result shows that a higher efficiency of phosphate removal was acquired by the activated samples than by the raw ones, and the Langmuir model has a better correlation with the experimental data than the Freundlich model.

308 citations

Journal ArticleDOI
01 Sep 2010-Energy
TL;DR: In this paper, the effects of the concentrations of dodecyl trimethyl ammonium chloride (DTAC) in 0.29 mol% tetra-n-butyl ammonium bromide (TBAB) aqueous solution and the initial pressures on the induction time of the hydrate formation and CO(2) separation efficiency are investigated.

202 citations

Journal ArticleDOI
01 Mar 2011-Energy
TL;DR: In this article, the authors investigated the effect of tetra-n-butyl ammonium bromide (TBAB) solution in conjunction with cyclopentane (CP) on the hydrate-based pre-combustion CO2 capture.

165 citations

Journal ArticleDOI
TL;DR: In this article, the authors investigated the gas production behavior from methane hydrate in the sediment by depressurization in a novel pilot-scale hydrate simulator (PHS), a three-dimensional pressure vessel of 117.8 l.

158 citations

Journal ArticleDOI
TL;DR: In this paper, the tetra-n-butyl ammonium bromide (TBAB) was used to accelerate the hydrate growth in the presence of TBAB.
Abstract: To determine the suitable operating conditions for the hydrate-based CO(2) separation process from a fuel gas mixture, the hydrate nucleation and growth kinetics of the simulated fuel gas (39.2 mol % CO(2)/H(2) gas mixture) in the presence of tetra-n-butyl ammonium bromide (TBAB) are investigated. The experiments were conducted at the TBAB concentration range of 0.14-1.00 mol %, the temperature range of 275.15-282.45 K, the driving force range of 1.00-4.50 MPa, the gas/liquid phase ratio range of 0.86-6.47, and the hydrate growth time of 15-120 min. It is found that the addition of TBAB not only shortens the induction time and accelerates the hydrate growth rate, but also enhances CO(2) encaged into the hydrate. However, the number of total moles of gas consumed and the number of moles of CO(2) transferred into the hydrate slurry phase decrease with the increase of the TBAB concentration when the TBAB concentration is above 0.29 mol %. The induction time reduces, and the number of moles of gas consumed, the hydrate formation rate, and the number of moles of CO(2) encaged into hydrate phase increase with the increase of the driving force. However, when the driving force is more than 2.5 MPa, H(2) prefers to go into the hydrate phase with the increase of the driving force, as compared to CO(2). In addition, the temperature has little effect on the hydrate formation process.

153 citations


Cited by
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Journal ArticleDOI
01 Apr 1988-Nature
TL;DR: In this paper, a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) is presented.
Abstract: Deposits of clastic carbonate-dominated (calciclastic) sedimentary slope systems in the rock record have been identified mostly as linearly-consistent carbonate apron deposits, even though most ancient clastic carbonate slope deposits fit the submarine fan systems better. Calciclastic submarine fans are consequently rarely described and are poorly understood. Subsequently, very little is known especially in mud-dominated calciclastic submarine fan systems. Presented in this study are a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) that reveals a >250 m thick calciturbidite complex deposited in a calciclastic submarine fan setting. Seven facies are recognised from core and thin section characterisation and are grouped into three carbonate turbidite sequences. They include: 1) Calciturbidites, comprising mostly of highto low-density, wavy-laminated bioclast-rich facies; 2) low-density densite mudstones which are characterised by planar laminated and unlaminated muddominated facies; and 3) Calcidebrites which are muddy or hyper-concentrated debrisflow deposits occurring as poorly-sorted, chaotic, mud-supported floatstones. These

9,929 citations

Journal ArticleDOI
TL;DR: In this article, the authors review various studies on resource potential of natural gas hydrate, the current research progress in laboratory settings, and several recent field trials, and discuss possible limitation in each production method and the challenges to be addressed for large scale production.

1,236 citations

Journal ArticleDOI
TL;DR: The assessment was completed by the Intergovernmental Panel on Climate Change (IPCC) with a primary aim of reviewing the current state of knowledge concerning the impacts of climate change on physical and ecological systems, human health, and socioeconomic factors as mentioned in this paper.
Abstract: Climate Change 1995 is a scientific assessment that was generated by more than 1 000 contributors from over 50 nations. It was jointly co-ordinated through two international agencies; the World Meteorological Organization and the United Nations Environment Programme. The assessment was completed by the Intergovernmental Panel on Climate Change (IPCC) with a primary aim of reviewing the current state of knowledge concerning the impacts of climate change on physical and ecological systems, human health, and socioeconomic factors. The second aim was to review the available information on the technical and economic feasibility of the potential mitigation and adaptation strategies.

1,149 citations

Journal ArticleDOI
TL;DR: In this article, the authors presented the hydrogen-based energy system as four corners (stages) of a square shaped integrated whole to demonstrate the interconnection and interdependency of these main stages.

1,090 citations

Journal ArticleDOI
TL;DR: This is really two separate books within the same pair of covers, which are devoted to the discussion of similarity and dimensional, methods and their application to a variety of problems in mechanics and fluid mechanics.
Abstract: By L I Sedov London: Cleaver-Hume Press Ltd Pp xvi + 363 Price 105s This is really two separate books within the same pair of covers First of all Chapters 1-3, some 145 pages, are devoted to the discussion of similarity and dimensional, methods and their application to a variety of problems in mechanics and fluid mechanics

697 citations