# US 10,501,697 B2 · Biodiesel composition and related process and products

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- Number: US 10,501,697 B2
- Document ID: US10501697B2
- Status: Granted
- Kind: B2
- Application number: 15/699,393
- Filed: 2017-09-08
- Published: 2017-12-28
- Granted: 2019-12-10
- Earliest claimed: 2013-06-19
- Assignees: Argent Energy (UK) Limited; Argent Energy Limited
- Applicants: Argent Energy (UK) Limited; Argent Energy Limited
- Inventors: Michael Scott
- Web page: https://patentgrep.com/patent/US10501697B2

## CPC

- C10L 1/026: {for compression ignition}
- C07C 67/03: by reacting an ester group with a hydroxy group
- C07C 67/08: by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
- C07C 67/58: by liquid-liquid treatment
- C10G 3/00: Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids (production from non-melting solid oxygen-containing carbonaceous materials C10G1/00)
- C10G 3/40: {Thermal non-catalytic treatment}
- C10G 33/00: Dewatering or demulsification of hydrocarbon oils (by distillation C10G7/04)
- C11B 3/001: {by a combination of two or more of the means hereafter}
- C11B 3/006: {by extraction}
- C11B 3/008: {by filtration, e.g. including ultra filtration, dialysis (C11B3/005 takes precedence)}
- C11B 3/04: with acids
- C11B 3/12: by distillation
- C11B 3/16: by mechanical means
- C11C 3/003: {by esterification of fatty acids with alcohols (C11C3/02 takes precedence)}
- C11C 3/10: Ester interchange
- B01D 21/262: {by using a centrifuge}
- B03D 1/1431: {Dissolved air flotation machines}
- C10G 2300/1003: Waste materials
- C10G 2300/201: Impurities
- C10G 2400/04: Diesel oil
- C10L 2200/0446: Diesel
- C10L 2200/0476: Biodiesel, i.e. defined lower alkyl esters of fatty acids first generation biodiesel
- C10L 2270/026: for diesel engines, e.g. automobiles, stationary, marine
- C10L 2270/04: for turbines, planes, power generation
- C10L 2290/06: Heat exchange, direct or indirect
- C10L 2290/18: Spraying or sprinkling
- C10L 2290/542: Adsorption of impurities during preparation or upgrading of a fuel
- C10L 2290/543: Distillation, fractionation or rectification for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L 2290/544: Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L 2290/547: Filtration for separating fractions, components or impurities during preparation or upgrading of a fuel
- Y02E 50/10: Biofuels, e.g. bio-diesel
- Y02P 30/20: using bio-feedstock
- C10L: FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C10G: CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B); RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C11B: PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES (drying-oils C09F)
- C11C: FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)
- B03D: FLOTATION; DIFFERENTIAL SEDIMENTATION (sedimentation in general B01D21/00; in combination with other separation of solids B03B; sink-float separation B03B5/28; detergents, soaps C11D)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

There is described a biodiesel composition and process for producing biodiesel and related products. There is also described related fuels and fuel blends comprising biodiesel. The biodiesel composition may be prepared from a mixture comprising fats, oils and greases from sewer waste.

## Claims

### Claim 1

A biodiesel composition comprising a mixture of esters, wherein the ester mixture comprises from 7% by weight to 10.5% by weight methyl octadecanoate, and from 39% by weight to 41% by weight methyl cis-9-octadecenoate, and from 0.4% by weight to 0.6% by weight methyl cis-9-eicosenoate.

### Claim 2 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 0.5% by weight to 1.9% by weight methyl heptadecanoate.

### Claim 3 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 2.4% by weight to 2.9% by weight methyl tetradecanoate.

### Claim 4 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 22.7% by weight to 24.4% by weight methyl hexadecanoate.

### Claim 5 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 1.5% by weight to 2.1% by weight methyl cis-9-hexadecenoate.

### Claim 6 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 15% by weight to 20% by weight methyl cis,cis-9,12-octadecadienoate.

### Claim 7 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 2% by weight to 3% by weight methyl cis,cis,cis-9,12,15-octadecatrienoate.

### Claim 8 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 0.17% by weight to 0.2% by weight methyl eicosanoate.

### Claim 9 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 0.03% by weight to 0.07% by weight methyl docosanoate.

### Claim 10 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 0.04% by weight to 0.07% by weight methyl cis-13-docosenoate.

### Claim 11 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 0.28% by weight to 0.3% by weight methyl tetracosanoate.

### Claim 12 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the ester mixture comprises from 0.04% by weight to 0.08% by weight methyl cis-15-tetracosenoate.

### Claim 13 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the composition comprises a cetane number of from 60 to 65.

### Claim 14 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the composition comprises a cold filter plugging point of from 1° C. to 5° C.

### Claim 15 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the composition comprises a density of from 865 kgm-3 to 875 kgm-3.

### Claim 16 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the esters are alkyl esters.

### Claim 17 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the biodiesel composition is obtained from a mixture comprising fat, oil and/or grease.

### Claim 18 (depends on 17)

A biodiesel composition as claimed in claim 17, wherein the fat, oil and/or grease is obtained from sewage.

### Claim 19 (depends on 1)

A biodiesel composition as claimed in claim 1, wherein the composition comprises from 98% by weight to 99% by weight ester mixture.

### Claim 20 (depends on 1)

A fuel comprising from 5% by volume to 95% by volume of the biodiesel composition of claim 1.

### Claim 21 (depends on 1)

A fuel blend comprising from 5% by volume to 95% by volume of the biodiesel composition of claim 1 and from 5% by volume to 95% by volume of a petroleum diesel.