Method for the removal of phosphorus
AssigneeSyntroleum Corporation
InventorsPeter Havlik, Ramin Abhari, Gary Roth, H. Lynn Tomlinson
Life of this patent
Estimating the term…
Abstract
A process for producing a hydrocarbon from biomass. A feed stream containing biomass having fatty acids, mono-, di-, and/or triglycerides, and a phosphorus content of between about 1 wppm and about 1,000 wppm is provided. A heated hydrocarbon solvent and a hydrogen-rich gas are provided. The feed stream, the heated hydrocarbon solvent, and the hydrogen-rich gas are combined in the presence of a low activity hydrogenation catalyst. A spent low activity hydrogenation catalyst is recovered at the end of a run wherein the spent low activity hydrogenation catalyst contains at least 3% by weight phosphorus.
Claims22
A method for producing hydrocarbons from biomass, comprising the steps of:
- providing a feed stream containing biomass having fatty acids, mono-, di-, and/or triglycerides, and a phosphorus content of about 1 wppm to about 1,000 wppm, at a temperature from about 140° F. to about 240° F.;
- providing a heated hydrocarbon solvent at a temperature from about 500° F. to about 800° F.;
- providing a hydrogen-rich gas;
- removing phosphorus and producing hydrocarbons by combining the feed stream, the heated hydrocarbon solvent, and the hydrogen-rich gas to generate a reactor feed and contacting the reactor feed with a low activity hydrogenation catalyst, where the reactor feed is at a temperature from about 400° F. to about 700° F.;
- and
- recovering a spent low activity hydrogenation catalyst at the end of run wherein the spent low activity hydrogenation catalyst contains between about 3% and about 10% by weight phosphorus;
- wherein
- the low activity hydrogenation catalyst is in a reactor;
- and
- the heated hydrocarbon solvent provides the heat for achieving the reactor feed temperature and the reactor temperature.
A method for producing hydrocarbons from biomass, comprising the steps of:
- providing a feed stream containing biomass having fatty acids, mono-, di-, and/or triglycerides, and a phosphorus content of about 1 wppm to about 1,000 wppm, at a temperature from about 140° F. to about 240° F.;
- providing a heated hydrocarbon solvent at a temperature from about 500° F. to about 800° F.;
- providing a hydrogen-rich gas;
- removing phosphorus and producing hydrocarbons by combining the feed stream, the heated hydrocarbon solvent, and the hydrogen-rich gas to generate a reactor feed and contacting the reactor feed with a low activity hydrogenation catalyst, where the reactor feed is at a temperature from about 400° F. to about 700° F.;
- and
- recovering-a spent low activity hydrogenation catalyst at the end of run wherein the spent low activity hydrogenation catalyst contains between about 3% and about 10% by weight phosphorus;
- wherein
- the low activity hydrogenation catalyst contains between about 2% and about 10% by weight molybdenum or tungsten;
- the low activity hydrogenation catalyst is in a reactor;
- the reactor is at a temperature from about 400° F. to about 700° F.;
- and
- the heated hydrocarbon solvent provides the heat for achieving the reactor feed temperature and the reactor temperature.
A method for producing hydrocarbons from biomass, comprising the steps of:
- providing a feed stream containing biomass having fatty acids, mono-, di-, and/or triglycerides, and a phosphorus content of about 1 wppm to about 1,000 wppm;
- providing a heated hydrocarbon solvent;
- providing a hydrogen-rich gas;
- removing phosphorus and producing hydrocarbons by combining the feed stream, the heated hydrocarbon solvent, and the hydrogen-rich gas to generate a reactor feed and contacting the reactor feed with a low activity hydrogenation catalyst;
- and
- recovering-the low activity hydrogenation catalyst at the end of run wherein the low activity hydrogenation catalyst contains between about 3% and about 10% by weight phosphorus;
- wherein
- the low activity hydrogenation catalyst contains between about 2% and about 10% by weight molybdenum or tungsten;
- the low activity hydrogenation catalyst is in a reactor;
- the reactor is at a temperature from about 400° F. to about 700° F.;
- and
- the heated hydrocarbon solvent provides the heat for achieving the reactor feed temperature and the reactor temperature.
Dependencies are inferred from the claim text.