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Onboard fuel separation for octane-on-demand using membrane distillation

A technology of fuel separation and membrane distillation, applied in the direction of semi-permeable membrane separation, liquid fuel feeder, membrane, etc., can solve the problem of ineffective use of gasoline

Active Publication Date: 2020-10-02
SAUDI ARABIAN OIL CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While these systems have shown promise, they still do not use gasoline efficiently and would require extensive and expensive retrofitting of existing vehicles to implement the system

Method used

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  • Onboard fuel separation for octane-on-demand using membrane distillation
  • Onboard fuel separation for octane-on-demand using membrane distillation
  • Onboard fuel separation for octane-on-demand using membrane distillation

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Embodiment Construction

[0024] The present application describes onboard systems and methods for separating fuel. In particular, the present application describes systems and methods for on-board fuel separation using membrane distillation. The present application addresses challenges related to gasoline fuel efficiency and carbon emissions of internal combustion engines, among others, and provides solutions to such technical challenges.

[0025] In one or more embodiments, the onboard system includes a source fuel tank for containing liquid fuel, such as gasoline, and a pump for delivering the liquid fuel from the source fuel tank to the membrane module. A membrane module may include membranes, retentate channels, and permeate channels. The membrane module is configured to separate the liquid fuel into a high octane fraction and a low octane fraction, wherein the high octane fraction collects in the retentate channel and the low octane fraction diffuses through the membrane to the permeate channel....

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PUM

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Abstract

The present application is directed to systems and methods for on- board fuel separation. The system (100, 200) includes: a source fuel tank (105) for liquid fuel; a pump (110); and a membrane module(115). The membrane module (115) includes a hydrophilic membrane (125), a retentate channel (130), and a permeate channel (135). The retentate and permeate channels (130, 135) are on opposing sides ofthe membrane (125). The membrane module (115) receives fuel from the source fuel tank (105) and separates the liquid fuel into a high octane fraction that collects in the retentate channel (130) anda low octane fraction that diffuses through the membrane (125) to the permeate channel (135). The system (100, 200) further includes a low octane fuel tank (180) for receiving at least a portion of the low octane fraction, a high octane fuel tank (192) for receiving at least a portion of the high octane fraction, and an engine (160) configured to selectively receive at least a portion of the low and high octane fractions.

Description

technical field [0001] The present disclosure relates to systems and methods for separating fuels based on relative volatility and diffusivity. In particular, the present disclosure relates to on-board systems and methods for separating fuel in a vehicle for subsequent use in an internal combustion engine. Background technique [0002] While the search for newer, greener sources of energy and ways to harness it continues, crude oil remains one of the world's primary sources of energy. Therefore, gasoline (a derivative of crude oil) remains the main fuel for internal combustion engines. [0003] To improve fuel efficiency and reduce gasoline's carbon footprint, new systems are being developed, such as octane-on-demand systems, in which engines can run on lower-quality fuel. While these systems show promise, they still don't use gasoline efficiently and would require extensive and expensive retrofitting of existing vehicles to implement the system. [0004] Therefore, there...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D19/06B01D61/36
CPCF02D19/0649F02D19/0671F02D41/0025B01D2311/12B01D2311/13B01D2325/36C10G31/09B01D61/364Y02T10/30F02M37/30B01D61/366
Inventor E.Z.哈马德H.A.巴克尔
Owner SAUDI ARABIAN OIL CO
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