語系:
繁體中文
English
說明(常見問題)
回圖書館首頁
手機版館藏查詢
登入
回首頁
切換:
標籤
|
MARC模式
|
ISBD
The feasibility study of desulfuriza...
~
Mei, Hai.
FindBook
Google Book
Amazon
博客來
The feasibility study of desulfurization of diesel fuels by ultrasound-assisted oxidative desulfurization (UAOD).
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
The feasibility study of desulfurization of diesel fuels by ultrasound-assisted oxidative desulfurization (UAOD)./
作者:
Mei, Hai.
面頁冊數:
204 p.
附註:
Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4549.
Contained By:
Dissertation Abstracts International64-09B.
標題:
Engineering, Environmental. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3103946
The feasibility study of desulfurization of diesel fuels by ultrasound-assisted oxidative desulfurization (UAOD).
Mei, Hai.
The feasibility study of desulfurization of diesel fuels by ultrasound-assisted oxidative desulfurization (UAOD).
- 204 p.
Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4549.
Thesis (Ph.D.)--University of Southern California, 2003.
Sulfur in diesel fuel leads directly to emission of SO 2 and sulfate particulate matter (PM) which endanger public health and welfare. Furthermore, the sulfur compounds in the exhaust gases of diesel engines can significantly impair the emission control technology designed to meet NOx and PM emission standards. In order to effectively control air pollution due to diesel fuel combustion, U.S. EPA has released a new regulation requiring the use of ultra-low-sulfur diesel (ULSD). This regulation requires that the sulfur content of diesel fuel used in highway vehicles be limited to 15 ppm, effective as of June 1, 2006. The current standard is 500 ppm.Subjects--Topical Terms:
783782
Engineering, Environmental.
The feasibility study of desulfurization of diesel fuels by ultrasound-assisted oxidative desulfurization (UAOD).
LDR
:03303nmm 2200325 4500
001
1865306
005
20041217071844.5
008
130614s2003 eng d
035
$a
(UnM)AAI3103946
035
$a
AAI3103946
040
$a
UnM
$c
UnM
100
1
$a
Mei, Hai.
$3
1952758
245
1 4
$a
The feasibility study of desulfurization of diesel fuels by ultrasound-assisted oxidative desulfurization (UAOD).
300
$a
204 p.
500
$a
Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4549.
500
$a
Adviser: Teh Fu Yen.
502
$a
Thesis (Ph.D.)--University of Southern California, 2003.
520
$a
Sulfur in diesel fuel leads directly to emission of SO 2 and sulfate particulate matter (PM) which endanger public health and welfare. Furthermore, the sulfur compounds in the exhaust gases of diesel engines can significantly impair the emission control technology designed to meet NOx and PM emission standards. In order to effectively control air pollution due to diesel fuel combustion, U.S. EPA has released a new regulation requiring the use of ultra-low-sulfur diesel (ULSD). This regulation requires that the sulfur content of diesel fuel used in highway vehicles be limited to 15 ppm, effective as of June 1, 2006. The current standard is 500 ppm.
520
$a
Due to the requirement of stringent rules for ULSD, it is necessary to develop alternative methods for desulfurization of fossil fuel derived oil. In this dissertation, an innovative desulfurization scheme---ultrasound assisted oxidative desulfurization (UAOD) was developed. UAOD successfully combines sonication with phase transfer catalysis and transition metal catalyzed oxidation resulting in remarkable sulfur removal efficiency under mild conditions.
520
$a
It has been demonstrated that using appropriate oxidants and catalysts with the assistance of ultrasound irradiation, model compounds such as dibenzothiophene can be quantitatively oxidized in minutes with hydrogen peroxide consumption close to stoichiometric quantities. For diesel fuels containing various levels of sulfur content, through the use of catalytic oxidation and sonication followed by solvent extraction, removal efficiency of sulfur-bearing compounds can reach or exceed 99% in a short contact time at low temperature and atmospheric pressure.
520
$a
GC-PFPD, GC-MS and GC-Simulated Distillation (GC-SIMDIS) methods have been successfully employed to evaluate the efficiency and the selectivity of UAOD process on diesels. It is demonstrated that UAOD process has no deleterious effects on distillation profile and other characteristics of diesel fuels.
520
$a
The results of this dissertation show that ultrasound-assisted oxidative desulfurization (UAOD) process is technically feasible to effectively remove sulfur from diesel fuels. With appropriate process design and use of chemicals, UAOD process would provide a solution to produce ultra-low sulfur diesel that meets future environmental standards.
590
$a
School code: 0208.
650
4
$a
Engineering, Environmental.
$3
783782
650
4
$a
Engineering, Chemical.
$3
1018531
650
4
$a
Environmental Sciences.
$3
676987
690
$a
0775
690
$a
0542
690
$a
0768
710
2 0
$a
University of Southern California.
$3
700129
773
0
$t
Dissertation Abstracts International
$g
64-09B.
790
1 0
$a
Yen, Teh Fu,
$e
advisor
790
$a
0208
791
$a
Ph.D.
792
$a
2003
856
4 0
$u
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3103946
筆 0 讀者評論
館藏地:
全部
電子資源
出版年:
卷號:
館藏
1 筆 • 頁數 1 •
1
條碼號
典藏地名稱
館藏流通類別
資料類型
索書號
使用類型
借閱狀態
預約狀態
備註欄
附件
W9184181
電子資源
11.線上閱覽_V
電子書
EB
一般使用(Normal)
在架
0
1 筆 • 頁數 1 •
1
多媒體
評論
新增評論
分享你的心得
Export
取書館
處理中
...
變更密碼
登入