Abstract
Due to the depletion of conventional oil resources and increasing prices, various technologies for utilizing unconventional oil and low-value crude residues, which have not been fully exploited, are currently being explored. The exploitation of unconventional oil and low-value crude residues requires upgrading processes such as carbon rejection and hydrogen addition. Among many existing upgrading processes, solvent deasphalting (SDA), a technology for removing asphaltene-rich pitch and producing higher-value deasphalted oil (DAO) by using paraffinic solvents, is promising because it offers the advantages of low installation cost and flexibility in terms of the control of the quality of pitch and DAO. The SDA process requires a considerable amount of expensive solvent. Thus, solvent recovery, an energy-intensive process, is required for improved efficiency. In this paper, DAO/solvent separation experiments were carried out using two solvents, pentane and hexane, to investigate the effect of operating conditions such as temperature, pressure, and DAO/solvent ratio on the process. The DAO/pentane separation was superior to the DAO/hexane separation under similar conditions. Regardless of the solvent type, solvent recovery was increased as the DAO/solvent ratio in the feed was decreased. Solvent recovery was strongly influenced by variations in temperature but was relatively insensitive to changes in pressure.
| Original language | English |
|---|---|
| Pages (from-to) | 204-210 |
| Number of pages | 7 |
| Journal | Fuel Processing Technology |
| Volume | 119 |
| DOIs | |
| State | Published - 2014 Mar 1 |
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Keywords
- Deasphalted oil
- Hexane
- Pentane
- Separation
- Solvent deasphalting
Cite this
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Separation of solvent and deasphalted oil for solvent deasphalting process. / Lee, Jung Moo; Shin, Sangcheol; Ahn, Seonju; Chun, Jeong Hwan; Lee, Ki Bong; Mun, Sungyong; Jeon, Sang Goo; Na, Jeong Geol; Nho, Nam Sun.
In: Fuel Processing Technology, Vol. 119, 01.03.2014, p. 204-210.Research output: Contribution to journal › Article
TY - JOUR
T1 - Separation of solvent and deasphalted oil for solvent deasphalting process
AU - Lee, Jung Moo
AU - Shin, Sangcheol
AU - Ahn, Seonju
AU - Chun, Jeong Hwan
AU - Lee, Ki Bong
AU - Mun, Sungyong
AU - Jeon, Sang Goo
AU - Na, Jeong Geol
AU - Nho, Nam Sun
PY - 2014/3/1
Y1 - 2014/3/1
N2 - Due to the depletion of conventional oil resources and increasing prices, various technologies for utilizing unconventional oil and low-value crude residues, which have not been fully exploited, are currently being explored. The exploitation of unconventional oil and low-value crude residues requires upgrading processes such as carbon rejection and hydrogen addition. Among many existing upgrading processes, solvent deasphalting (SDA), a technology for removing asphaltene-rich pitch and producing higher-value deasphalted oil (DAO) by using paraffinic solvents, is promising because it offers the advantages of low installation cost and flexibility in terms of the control of the quality of pitch and DAO. The SDA process requires a considerable amount of expensive solvent. Thus, solvent recovery, an energy-intensive process, is required for improved efficiency. In this paper, DAO/solvent separation experiments were carried out using two solvents, pentane and hexane, to investigate the effect of operating conditions such as temperature, pressure, and DAO/solvent ratio on the process. The DAO/pentane separation was superior to the DAO/hexane separation under similar conditions. Regardless of the solvent type, solvent recovery was increased as the DAO/solvent ratio in the feed was decreased. Solvent recovery was strongly influenced by variations in temperature but was relatively insensitive to changes in pressure.
AB - Due to the depletion of conventional oil resources and increasing prices, various technologies for utilizing unconventional oil and low-value crude residues, which have not been fully exploited, are currently being explored. The exploitation of unconventional oil and low-value crude residues requires upgrading processes such as carbon rejection and hydrogen addition. Among many existing upgrading processes, solvent deasphalting (SDA), a technology for removing asphaltene-rich pitch and producing higher-value deasphalted oil (DAO) by using paraffinic solvents, is promising because it offers the advantages of low installation cost and flexibility in terms of the control of the quality of pitch and DAO. The SDA process requires a considerable amount of expensive solvent. Thus, solvent recovery, an energy-intensive process, is required for improved efficiency. In this paper, DAO/solvent separation experiments were carried out using two solvents, pentane and hexane, to investigate the effect of operating conditions such as temperature, pressure, and DAO/solvent ratio on the process. The DAO/pentane separation was superior to the DAO/hexane separation under similar conditions. Regardless of the solvent type, solvent recovery was increased as the DAO/solvent ratio in the feed was decreased. Solvent recovery was strongly influenced by variations in temperature but was relatively insensitive to changes in pressure.
KW - Deasphalted oil
KW - Hexane
KW - Pentane
KW - Separation
KW - Solvent deasphalting
UR - http://www.scopus.com/inward/record.url?scp=84890303573&partnerID=8YFLogxK
U2 - 10.1016/j.fuproc.2013.11.014
DO - 10.1016/j.fuproc.2013.11.014
M3 - Article
AN - SCOPUS:84890303573
VL - 119
SP - 204
EP - 210
JO - Fuel Processing Technology
JF - Fuel Processing Technology
SN - 0378-3820
ER -