NOTE: This item is not available outside the Texas A&M University network. Texas A&M affiliated users who are off campus can access the item through NetID and password authentication or by using TAMU VPN. Non-affiliated individuals should request a copy through their local library's interlibrary loan service.
A new comprehensive semiempirical approach to calculate three-phase water/hydrocarbons equilibria
| dc.creator | Tandia, Bagus Krisna | |
| dc.date.accessioned | 2012-06-07T22:43:01Z | |
| dc.date.available | 2012-06-07T22:43:01Z | |
| dc.date.created | 1995 | |
| dc.date.issued | 1995 | |
| dc.identifier.uri | https://hdl.handle.net/1969.1/ETD-TAMU-1995-THESIS-T362 | |
| dc.description | Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the item. | en |
| dc.description | Includes bibliographical references. | en |
| dc.description | Issued also on microfiche from Lange Micrographics. | en |
| dc.description.abstract | A new comprehensive semiempirical approach (CSA) has been developed to calculate three-phase water/hydrocarbons equilibria. It uses both laboratory data (stagewise isochoric distillation data) and Peng-Robinson EOS. It considers mutual solubility between water and hydrocarbons. The CSA calculates phase equilibria by applying the thermodynamic equalities between phases and material balance of the systems. The CSA also includes a self-tuning algorithm that allows the user to tune the input parameters, i.e. vapor phase composition (vi). In this study, the CSA has been used to run the data from Billman (1989) and Beladi (1995). These data include two ternary systems of n-heptane/n-dodecane/water, for which their initial overall compositions are different, and one ternary system of n-decane/n-pentadecane/water. The vapor phase composition (yi) data has been tuned to satisfy the following material balance equation: [] The approachhas been verified by comparing the calculated vapor phase composition (yi calc ) with yi data and yi tuning value. They all matched each other in some range of data uncertainty. The data uncertainty ranges from 0.62 to 60.6%. The oleic phase composition can be used to show that solubility of water in oleic phase cannot be neglected. It is shown in this study that vapor-oleic three-phase K-values are slightly dependent upon composition. It is also shown that the lighter the hydrocarbon component, the higher the vapor-oleic three-phase K-values are. The aqueous phase composition in this study shows that solubility of hydrocarbons in the aqueous phase is insignificant, | en |
| dc.format.medium | electronic | en |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en_US | |
| dc.publisher | Texas A&M University | |
| dc.rights | This thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries in 2008. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use. | en |
| dc.subject | petroleum engineering. | en |
| dc.subject | Major petroleum engineering. | en |
| dc.title | A new comprehensive semiempirical approach to calculate three-phase water/hydrocarbons equilibria | en |
| dc.type | Thesis | en |
| thesis.degree.discipline | petroleum engineering | en |
| thesis.degree.name | M.S. | en |
| thesis.degree.level | Masters | en |
| dc.type.genre | thesis | en |
| dc.type.material | text | en |
| dc.format.digitalOrigin | reformatted digital | en |
Files in this item
This item appears in the following Collection(s)
-
Digitized Theses and Dissertations (1922–2004)
Texas A&M University Theses and Dissertations (1922–2004)
Request Open Access
This item and its contents are restricted. If this is your thesis or dissertation, you can make it open-access. This will allow all visitors to view the contents of the thesis.