Search Results - "Alem, Teclemariam"
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1
Investigating the role of aliphatic olefins in fouling of thermally cracked bitumen by testing fouling tendency of model aliphatic olefin compounds in light fractions
Published in Fuel (Guildford) (15-03-2024)“…•The role of olefin compounds in fouling was investigated by testing the fouling behaviour of model olefin compounds.•Different olefin types, structures, and…”
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Journal Article -
2
Fouling tendency of bitumen visbreaking products
Published in Fuel (Guildford) (01-04-2021)“…•Fouling tendency of bitumen visbreaking products was investigated.•The contributions of olefin and asphaltene to fouling tendency were presented.•Fouling…”
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Journal Article -
3
Investigation of Fouling Mechanisms of a Light Crude Oil Using an Alcor Hot Liquid Process Simulator
Published in Energy & fuels (18-11-2010)“…Fouling mechanisms of a light conventional crude were investigated by characterizing the crude oil, performing fouling tests using a bench-scale Alcor hot…”
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Journal Article -
4
Fouling Characteristics of Hydrocarbon Streams Containing Olefins and Conjugated Olefins
Published in Energy & fuels (17-03-2011)“…The fouling characteristics of a coker gas oil (CGO) containing measurable amounts of olefins and conjugated olefins were investigated using a bench-scale hot…”
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Journal Article -
5
Characterization of Athabasca Bitumen Heavy Vacuum Gas Oil Distillation Cuts by Negative/Positive Electrospray Ionization and Automated Liquid Injection Field Desorption Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
Published in Energy & fuels (17-09-2008)“…We have analyzed eight heavy vacuum gas oil (HVGO) distillation fractions, initial boiling point (IBP)−343, 343−375, 375−400, 400−425, 425−450, 450−475,…”
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Journal Article -
6
Effect of Thermal Treatment on Acidic Organic Species from Athabasca Bitumen Heavy Vacuum Gas Oil, Analyzed by Negative-Ion Electrospray Fourier Transform Ion Cyclotron Resonance (FT-ICR) Mass Spectrometry
Published in Energy & fuels (22-01-2009)“…We examine suspected molecular transformations of thermally treated Athabasca bitumen heavy vacuum gas oil (HVGO) by ultrahigh-resolution negative-ion…”
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Journal Article -
7
Characterization of Acidic Species in Athabasca Bitumen and Bitumen Heavy Vacuum Gas Oil by Negative-Ion ESI FT−ICR MS with and without Acid−Ion Exchange Resin Prefractionation
Published in Energy & fuels (01-07-2008)“…Because acids in petroleum materials are known to corrode processing equipment, highly acidic oils are sold at a discount [on the basis of their total acid…”
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Journal Article -
8
Self-Association of Organic Acids in Petroleum and Canadian Bitumen Characterized by Low- and High-Resolution Mass Spectrometry
Published in Energy & fuels (01-05-2007)“…We examine solution-phase aggregation for a whole crude oil, whole bitumen, and bitumen distillate fractions by negative-ion electrospray ionization [(−) ESI]…”
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Journal Article -
9
Investigation of Fouling Mechanisms of a Light Crude Oil Using an Alcor Hot Liquid Process Simulator
Published in Energy & fuels (2010)Get full text
Journal Article -
10
The Paradox of Asphaltene Precipitation with Normal Paraffins
Published in Energy & fuels (01-07-2005)“…For bitumens and crude oils, the volume of n-paraffin at the flocculation point, which is the point of incipient asphaltene precipitation, increases as the…”
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Journal Article Conference Proceeding -
11
Flocculation Test for Oils without Asphaltenes
Published in Energy & fuels (01-03-2008)“…To mitigate fouling by asphaltenes, one must ensure that the asphaltenes remain soluble upon mixing of oils. The prediction of asphaltene solubility on the…”
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Journal Article Conference Proceeding -
12
Flocculation Test for Oils without Asphaltenes super([dagger])
Published in Energy & fuels (01-01-2008)“…To mitigate fouling by asphaltenes, one must ensure that the asphaltenes remain soluble upon mixing of oils. The prediction of asphaltene solubility on the…”
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Journal Article -
13
Photopolymerization of plasticizer in ion-sensitive membranes on solid-state sensors
Published in Analytical chemistry (Washington) (01-02-1989)Get full text
Journal Article -
14
The benefits of polymeric plasticizers in poly(vinyl chloride) based ion-selective sensors; complete with interpretation
Published in Technical Digest IEEE Solid-State Sensor and Actuator Workshop (1992)“…The use of polymeric plasticizers for poly(vinyl chloride) based ion-selective electrode membranes was examined. Photopolymerized dihexenyl adipate, commercial…”
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Conference Proceeding -
15
Integrated ion sensors: how much more should be done?
Published in IEEE 4th Technical Digest on Solid-State Sensor and Actuator Workshop (1990)“…The endeavors of a number of academic labs to address the difficulties associated with ion-sensitive field effect transistors (ISFETs) are examined. The focus…”
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Conference Proceeding