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Examination of the effects of biosur...

Woods, Charles E., Jr.

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Examination of the effects of biosurfactant concentration on natural gas hydrate formation in seafloor porous media.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Examination of the effects of biosurfactant concentration on natural gas hydrate formation in seafloor porous media./
作者:	Woods, Charles E., Jr.
面頁冊數:	141 p.
附註:	Source: Masters Abstracts International, Volume: 43-01, page: 0261.
Contained By:	Masters Abstracts International43-01.
標題:	Engineering, Chemical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1421977
ISBN:	9780496267187

Examination of the effects of biosurfactant concentration on natural gas hydrate formation in seafloor porous media.
Woods, Charles E., Jr.

Examination of the effects of biosurfactant concentration on natural gas hydrate formation in seafloor porous media. - 141 p.

Source: Masters Abstracts International, Volume: 43-01, page: 0261.

Thesis (M.S.)--Mississippi State University, 2004.

Various porous media were tested with biosurfactant solutions (rhamnolipid or Emulsan) at concentrations ranging from 0 ppm to 1000 ppm. The biosurfactant solutions in the presence of porous media often showed substantial gas hydrate catalyzation, localization on selected surfaces, and/or specific hydrate form (massive, stratified, dispersed).

ISBN: 9780496267187Subjects--Topical Terms:

1018531
Engineering, Chemical.

Examination of the effects of biosurfactant concentration on natural gas hydrate formation in seafloor porous media.
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245 1 0 $a Examination of the effects of biosurfactant concentration on natural gas hydrate formation in seafloor porous media.
300 $a 141 p.
500 $a Source: Masters Abstracts International, Volume: 43-01, page: 0261.
500 $a Major Professor: Rudy E. Rogers.
502 $a Thesis (M.S.)--Mississippi State University, 2004.
520 $a Various porous media were tested with biosurfactant solutions (rhamnolipid or Emulsan) at concentrations ranging from 0 ppm to 1000 ppm. The biosurfactant solutions in the presence of porous media often showed substantial gas hydrate catalyzation, localization on selected surfaces, and/or specific hydrate form (massive, stratified, dispersed).
520 $a At 1000-ppm concentrations of rhamnolipid, all porous media surfaces exhibited the same hydrate formation rate increase of 187% over the control. The curves generated for rhamnolipid or Emulsan concentration versus peak hydrate formation rate resembled certain classical adsorption curves.
520 $a Bentonite and aragonite showed hydrate catalyzation properties with or without biosurfactants. The preference for hydrate formation on porous media surfaces (no surfactant) was: Bentonite/nontronite > aragonite/stainless steel > Ottawa sand/kaolinite. Porous media/biosurfactant concentration combinations play marked roles in the types of gas hydrates formed: massive, dendritic, or needle-like. The research helps to explain the vast occurrence of gas hydrates in ocean sediments.
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650 4 $a Biogeochemistry. $3 545717
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