نتایج جستجو برای: demulsifiers

تعداد نتایج: 54  

Journal: :Journal of Petroleum Research and Studies 2014

Journal: :Substantia 2023

The most common method for resolving water-in-oil (W/O) emulsions is chemical demulsification. bottle test a recommended procedure to analyze combination of essential parameters such as the demulsifier dosage, residence time, heat, degree agitation generate emulsion and effects after injection. It an extensive time-consuming selection procedure. Furthermore, previous guideline reported in liter...

Journal: :Journal of physics 2021

Demulsification is a method used to reduce or disrupt the water - crude oil emulsion system without uttering initial composition of oil. This process done by introduction chemicals called demulsifiers, which break into aqueous and organic phases. In this study, demulsifier formulated was base-catalyzed phenol-formaldehyde resin known as resoles, with ratios phenol formaldehyde, varied between 1...

Journal: :Environmental Technology and Innovation 2021

The production of oil in water emulsions (O/W-EMUL) is prevalent the petroleum sector due to presence several stabilizers; however, O/W-EMUL an unwanted phenomenon. Given that, this study evaluates efficiency three ionic liquids (ILs), two halogenide ILs (HILs-1, HILs-2), and one non-halogenide IL (Non-HIL) as demulsifiers for recovery from at a concentration 500 mg/L. percentage demulsificatio...

Journal: :Chemistry and Chemical Technology 2021

High-viscosity crude oils from the Yablunivske field (Ukraine, Poltava region) have been studied. The were diluted with gas condensate to reduce viscosity, and then various demulsifiers added. It was established that it is expedient dilute oil heavy dehydrate PM-1441 brand A non-ionogenic demulsifier, based on block copolymers of ethylene propylene oxides. dewatering degree found be 95 %.

Journal: :Oil & Gas Science and Technology - Revue de l'IFP 2008

2016
Catherine P. Whitby Erica J. Wanless

The aim of this paper is to review the key findings about how particle-stabilised (or Pickering) emulsions respond to stress and break down. Over the last ten years, new insights have been gained into how particles attached to droplet (and bubble) surfaces alter the destabilisation mechanisms in emulsions. The conditions under which chemical demulsifiers displace, or detach, particles from the ...

2017
Alba Adriana Vallejo-Cardona Rafael Martínez-Palou Benjamín Chávez-Gómez Graciela García-Caloca Jairo Guerra-Camacho Ricardo Cerón-Camacho Jesús Reyes-Ávila James Robert Karamath Jorge Aburto

The present feature describes for the first time the application of spores from Aspergillus sp. IMPMS7 to break out crude oil-in-water emulsions (O/W). The fungal spores were isolated from marine sediments polluted with petroleum hydrocarbons. The spores exhibited the ability to destabilize different O/W emulsions prepared with medium, heavy or extra-heavy Mexican crude oils with specific gravi...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید