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in subjects: "02 Petroleum"  
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SELECTIVITY IN ZEOLITE OCCLUSION OF OLEFINS

Description: Selective occlusions of straight-chain paraffins in the presence of branched-chain hydrocarbons by naturally occurring zeolites of suitable dimension was reported as early as 1944 by Barrer and Ibbitson. More recently the capacity of synthetic zeolites or molecular sieves to absorb exclusively the straight-chain hydrocarbons from complex hydrocarbon mixtures has found extensive application in the petroleum industry. Under the conditions developed for most sieving operations any normal olefins p… more
Date: August 30, 1966
Creator: Fenselau, Catherine & Calvin, Melvin
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

HYDROCARBONS OF BIOLOGICAL ORIGIN FROM A ONE-BILLION YEAR OLDSEDIMENT

Description: The isoprenoid hydrocarbons, phytane (C{sub 20}H{sub 42}) and pristane (C{sub 19}H{sub 40}) are present in the oil seeping from the Pre-Cambrian Nonesuch Formation at the White Pine Mine, Michigan. Gas-liquid chromatography and mass spectrometry provide the isolation and identification procedures.
Date: May 1, 1964
Creator: Eglinton, Geoffrey; Scott, P. M.; Belsky, Ted; Burlingame, A. L.; Calvin, Melvin & Cloud, Preston E., Jr.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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