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1. 发明公开

US20240016177A1 IMPROVED METHOD FOR PRODUCING HIGHLY DIGESTIBLE HYDROLYZED KERATINACEOUS MATERIAL 审中-公开
公开(公告)号：US20240016177A1
公开(公告)日：2024-01-18
申请号：US18029923
申请日：2021-10-14
申请人： Tessenderlo Group NV
发明人： Romain FILLIÈRES
IPC分类号： A23J1/10 , A23J3/34 , A23K20/147
CPC分类号： A23J1/10 , A23J3/341 , A23K20/147
摘要： The invention relates to a method for producing highly digestible, partly hydrolyzed keratinaceous material, preferably from feathers, hair, wool, hooves or nails, comprising the steps of (1) hydrolyzing keratinaceous material in the presence of water, in a hydrolyzer with heat and at a pressure between about 2 bar and about 100 bar to obtain a partly hydrolyzed keratinaceous material; (2) pre-drying the partly hydrolyzed keratinaceous material of step (1) to obtain a semi-dried partly hydrolyzed keratinaceous material having a solids content of about 50 wt % or higher, preferably between 60-85 wt %; and (3) concurrently drying and grinding the semi-dried partly hydrolyzed keratinaceous material of step (2) in an air turbulence mill, at about atmospheric pressure to obtain dried partly hydrolyzed keratinaceous material; wherein preferably steps (2) and (3) are carried out such that the drop in pepsin and/or ileal digestibility caused by steps (2) and (3) is less than 10%, and/or the pepsin and ileal digestibility of the dried partly hydrolyzed keratinaceous material is higher than respectively 75% and 80%; wherein the resultant dried partly hydrolyzed keratinaceous material comprises at least partly insoluble material, and wherein the average particle size of the dried partly hydrolyzed keratinaceous material (d50) leaving the air turbulence mill is between 20 μm and 0.7 mm and the d90 is below 1 mm as measured with laser diffraction using a dry powder Beckman Coulter particle size analyzer.

2. 发明公开

US20240229298A1 METHOD AND APPARATUS FOR THE WASHING OF FEATHERS AND REMOVING OF EXTRANEOUS MATERIAL 审中-公开
公开(公告)号：US20240229298A1
公开(公告)日：2024-07-11
申请号：US18557318
申请日：2022-04-28
申请人： Tessenderlo Group NV
发明人： Romain FILLIÈRES
IPC分类号： D01B3/04 , D06B3/02 , D06B23/20 , D06M19/00 , D06M101/12
CPC分类号： D01B3/04 , D06B3/02 , D06B23/20 , D06M19/00 , D06M2101/12
摘要： Washing system (1) suitable for continuous processing, for the pre-treatment of keratinaceous material, preferably feathers, hair or wool. The washing system (1) comprises an infeed device (2) for feeding the keratinaceous material to the washing system (1) and a washing space (3) for washing the keratinaceous material with an aqueous washing liquid. A washing liquid system for supplying and extracting the washing liquid to and from the washing space (3) is comprised in the washing system (1). The washing space (3) comprises a sinking zone wherein material with a higher density than the washing fiquid sinks below the keratinaccous material. An extracting system (8) is placed at the bottom of the sinking zone (6) for extracting the material with a higher density than the washing liquid. Furthermore, at least one washing structure (4) that sloshes the washing liquid and/or causes turbulence in the washing liquid is present in the washing space (3). Finally, an outfeed device (9) is provided for extracting the keratinaceous material from the washing system (1).

3. 发明申请

US20210037850A1 IMPROVED METHOD FOR PRODUCING HIGH-QUALITY BLOOD MEAL 有权
公开(公告)号：US20210037850A1
公开(公告)日：2021-02-11
申请号：US16963845
申请日：2019-01-22
申请人： Tessenderlo Group NV
发明人： Marc BELMANS , Matthieu DELMOTTE , Romain FILLIÈRES , Vincent LOUSSOUARN
IPC分类号： A23J1/06 , A23J3/12 , A23K10/24 , A61K8/98 , A61Q19/00 , B02C13/288
摘要： The invention relates to a method for producing blood meal comprising the subsequent steps of (i) providing an aqueous mixture comprising raw blood, preferably having a solid content of between about 5 and about 18 wt %, and (ii) increasing the solid content of the mixture to obtain a mixture having a solid content of about 20 wt % or higher, preferably between about 20-80 wt % and (iii) concurrently drying and grinding the resultant mixture in an air turbulence mill, to obtain blood meal having an average particle size (d50) between 20 μm and 0.7 mm, a d90 of below 1 mm as measured with laser diffraction using a dry powder Beckman Coulter particle size analyzer, and an ileal digestibility of about 85% or higher preferably of about 87% or higher, and more preferably about 90% or higher. The invention furthermore relates to a coagulated blood meal product with high ileal digestibility.

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