Method of removing a contaminant from a contaminant-containing biological composition useful as a biofuel feedstock

A technology of pollutants and compositions, which is applied in the direction of fat production, fat oil/fat refining, etc., and can solve the problem of unobtainable downstream refining processes

Active Publication Date: 2016-02-24
REG SYNTHETIC FUELS LLC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Without effective removal of phospholipids, downstream refining processes may not yield acceptable results

Method used

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  • Method of removing a contaminant from a contaminant-containing biological composition useful as a biofuel feedstock
  • Method of removing a contaminant from a contaminant-containing biological composition useful as a biofuel feedstock
  • Method of removing a contaminant from a contaminant-containing biological composition useful as a biofuel feedstock

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Embodiment

[0040] The following examples and data are provided to illustrate the invention without intending to limit its scope.

[0041] A pilot scale process was prepared for the tests disclosed below. The process used is as figure 1 with 2 shown, unless otherwise noted.

[0042] Water Preparation: This involves mixing the current factory HDO charge pump material with clean deionized water to make the initial water recovered from the third centrifuge. This water is used as the first round of all feed water for the first centrifuge 20 and the second centrifuge 30 respectively. After the first sample of contaminant-containing biological composition (referred to herein as "FOG") has passed through all three centrifugation cycles, the water recovered from the second centrifuge 30 (stream 104) is mixed with the water from the third centrifuge 40. Water (stream 114 ) is used 50 / 50 in the first centrifuge 20 .

[0043] Raw FOG was not filtered. All mixing was simulated by using the blen...

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Abstract

Biological compositions containing animal fats and plant oils desirably are free of contaminants prior to processing into a biofuel. Disclosed herein is a method of removing such contaminants from these compositions to make that processing more efficient. The method employs a unique arrangement of mixers and centrifuges along with acidic solutions and recycle streams to remove these contaminants from the compositions.

Description

technical field [0001] The present invention relates generally to a method of treating a biological composition for its downstream conversion to biofuels, and more particularly to a method for removing one or Multiple Contaminants Approach. Background technique [0002] Biomass is a renewable substitute for fossil raw materials in the production of liquid fuels (eg, biofuels) and chemicals. Increasing biofuel production is part of the government's strategy to improve energy security and reduce greenhouse gas emissions. However, most biomass has a high oxygen content, which reduces fuel quality and calorific value. Upgrading biomass or biomass intermediates to high quality hydrocarbon fuels therefore requires removal of oxygen. Biomass oxygen can be in the form of esters, carboxylic acids, or hydroxyl groups. The removal of oxygen by catalytic reaction with hydrogen is called hydrodeoxygenation (HDO). This reaction can be carried out using traditional fixed bed catalysts...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/04
CPCC11B3/006C11B3/04C11B3/001C11B3/16
Inventor 彼得·瓜伊戴尔·格雷厄姆拉明·阿布哈里彼得·兹德涅克·哈夫里克爱德华·加里·罗斯H·林恩·汤姆林森
Owner REG SYNTHETIC FUELS LLC
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