Feedstuff of high abrasion resistance and good stability in water, containing pufas
US-2017295823-A1 · Oct 19, 2017 · US
Method for drying biomass
US10531679B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10531679-B2 |
| Application number | US-201414904665-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 8, 2014 |
| Priority date | Jul 16, 2013 |
| Publication date | Jan 14, 2020 |
| Grant date | Jan 14, 2020 |
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Abstract
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It has been found according to the invention, that a biomass containing an oxidation-sensitive material of value may be dried under particularly mild conditions by a method in which the drying gas is passed over the biomass to be dried in cycle gas mode.
First claim
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The invention claimed is: 1. A method for drying a microbial biomass containing an oxidation-sensitive material of value, comprising a drying step in which drying gas is passed over the biomass in cycle gas mode, wherein the drying gas has an oxygen content of 5 to 13% by weight and the oxidation-sensitive material is an unsaturated fatty acid; wherein the drying gas is produced by a method consisting of heating air. 2. The method of claim 1 , wherein the oxidation-sensitive material of value is an omega-3 fatty acid or an omega-6 fatty acid. 3. The method of claim 1 , wherein the drying step is a fluidized bed process in which the fluidized bed has a temperature of 45 to 95° C. 4. The method of claim 1 , wherein the biomass is both dried and granulated in one step. 5. The method of claim 3 , wherein the fluidized bed process is operated in continuous and static mode, fermentation broth containing biomass is continuously sprayed in and the finished product is continuously discharged. 6. The method of claim 1 , wherein the biomass comprises cells from the taxon Labyrinthulomycetes. 7. The method of claim 1 , wherein the biomass comprises cells from the family Thraustochytriaceae. 8. The method of claim 1 , wherein the biomass comprises cells from the genera Thraustochytrium, Schizochytrium or Ulkenia. 9. The method of claim 1 , wherein the biomass used in the drying step is in the form of fermentation broth with a solid content of 20 to 40% by weight.
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Frequently asked questions
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- What does patent US10531679B2 cover?
- It has been found according to the invention, that a biomass containing an oxidation-sensitive material of value may be dried under particularly mild conditions by a method in which the drying gas is passed over the biomass to be dried in cycle gas mode.
- Who is the assignee on this patent?
- Evonik Degussa Gmbh
- What technology area does this patent fall under?
- Primary CPC classification A23K10/12. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jan 14 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).