Document Detail

Mercury in crude oil processed in the United States (2004).
MedLine Citation:
PMID:  17695889     Owner:  NLM     Status:  MEDLINE    
The mean and range of concentrations of mercury in crude oil processed by U.S. refineries in 2004 were determined using two analytical methods. One hundred seventy separate crude oil streams were sampled repetitively to obtain 328 individual samples. Samples were retrieved immediately upstream of refinery tank farms. Losses of mercury during production, separation, and transportation were not examined. The arithmetic mean and median of 170 oil streams were 7.3 and 1.5 microg/kg in total mercury, respectively. The total mercury concentration of oil processed in the United States in year 2004, including all species and both dissolved and suspended forms, expressed as a volume-weighted mean was calculated to be 3.5 +/- 0.6 microg/kg. The range of measured concentrations extended from below the analytical detection limit (0.5 microg/kg) to approximately 600 microg/kg. Good agreement was found with other recent and independent studies of mercury in crude oil refined in North America. The total amount of mercury in crude oil processed in the U.S annually is less than five percent of the amount contained in U.S. coal produced annually.
S Mark Wilhelm; Lian Liang; Deborah Cussen; David A Kirchgessner
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Environmental science & technology     Volume:  41     ISSN:  0013-936X     ISO Abbreviation:  Environ. Sci. Technol.     Publication Date:  2007 Jul 
Date Detail:
Created Date:  2007-08-16     Completed Date:  2007-10-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0213155     Medline TA:  Environ Sci Technol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  4509-14     Citation Subset:  IM    
Mercury Technology Services, 23014 Lutheran Church Rd., Tomball, Texas, USA.
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MeSH Terms
Mercury / analysis*
Petroleum / analysis*
Reference Standards
Reproducibility of Results
Sensitivity and Specificity
United States
Reg. No./Substance:
0/Petroleum; 7439-97-6/Mercury

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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