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    IMPROVED METHOD FOR PRODUCING HIGHLY DIGESTIBLE HYDROLYZED KERATINACEOUS MATERIAL
    1.
    发明申请
    IMPROVED METHOD FOR PRODUCING HIGHLY DIGESTIBLE HYDROLYZED KERATINACEOUS MATERIAL 审中-公开

    公开(公告)号：WO2022079192A1

    公开(公告)日：2022-04-21

    申请号：PCT/EP2021/078501

    申请日：2021-10-14

    Applicant: TESSENDERLO GROUP NV

    Inventor： FILLIÈRES, Romain

    IPC: A23J1/10 ,  A23K10/26 ,  A23K20/142 ,  A23K50/00 ,  B02C13/12 ,  A23J3/30 ,  A23J3/34

    Abstract: 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 50wt% or higher, preferably between 60‐85wt%; 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.

    IMPROVED METHOD FOR PRODUCING HIGH-QUALITY BLOOD MEAL
    2.
    发明申请
    IMPROVED METHOD FOR PRODUCING HIGH-QUALITY BLOOD MEAL 审中-公开

    公开(公告)号：WO2019141864A1

    公开(公告)日：2019-07-25

    申请号：PCT/EP2019/051450

    申请日：2019-01-22

    Applicant: TESSENDERLO GROUP NV

    Inventor： BELMANS, Marc ,  DELMOTTE, Matthieu ,  FILLIERES, Romain ,  LOUSSOUARN, Vincent

    IPC: A23J1/06 ,  A23J3/12 ,  B02C13/00 ,  A23K10/24

    Abstract: 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.

    METHODS FOR THE PRODUCTION OF AMMONIUM SALTS FROM SOUR WATER STRIPPER GAS
    3.
    发明申请
    METHODS FOR THE PRODUCTION OF AMMONIUM SALTS FROM SOUR WATER STRIPPER GAS 审中-公开

    公开(公告)号：WO2023066959A1

    公开(公告)日：2023-04-27

    申请号：PCT/EP2022/079022

    申请日：2022-10-19

    Applicant: TESSENDERLO GROUP NV

    Inventor： MICHAEL CASE, Paul

    IPC: C01B17/64 ,  B01D53/00 ,  C01C1/00

    Abstract: The present invention relates to methods for the production of an ammonium salt wherein sour water stripper gas is reacted with an aqueous medium and wherein the sour water stripper gas (SWSG) is obtained from stripping, preferably steam stripping, of sour water comprising organic compounds, wherein the sour water was submitted to a treatment T1 to reduce the concentration of organic compounds in the sour water before stripping. The present invention also relates to methods for the production of an ammonium salt wherein sour water stripper gas and (concentrated) ammonia are reacted with an aqueous medium such that the ratio (mol:mol) of the total amount of ammonia (NH3) provided by the sour water stripper gas stream to the total amount of ammonia (NH3) provided by the concentrated ammonia stream is at least 1:20. The present invention also relates to methods for the production of an ammonium salt wherein sour water stripper gas is reacted with an aqueous medium and wherein the total amount of acyclic C1-C9 saturated hydrocarbons comprised in the sour water stripper gas is less than 0.2 mol%.

    METHOD AND APPARATUS FOR THE WASHING OF FEATHERS AND REMOVING OF EXTRANEOUS MATERIAL
    4.
    发明申请
    METHOD AND APPARATUS FOR THE WASHING OF FEATHERS AND REMOVING OF EXTRANEOUS MATERIAL 审中-公开

    公开(公告)号：WO2022229362A1

    公开(公告)日：2022-11-03

    申请号：PCT/EP2022/061428

    申请日：2022-04-28

    Applicant: TESSENDERLO GROUP NV

    Inventor： FILLIÈRES, Romain

    IPC: D01B3/04

    Abstract: 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 keratinaceous 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 thew ashing space (3). Finally, an outfeed device (9) is provided for extracting the k eratinaceous material from the washing system (1).

    INHIBITORS OF SOIL NITRIFICATION AND PROCESSES TO PREVENT SAME
    6.
    发明申请
    INHIBITORS OF SOIL NITRIFICATION AND PROCESSES TO PREVENT SAME 审中-公开

    公开(公告)号：WO2021076458A1

    公开(公告)日：2021-04-22

    申请号：PCT/US2020/055288

    申请日：2020-10-12

    Applicant: TESSENDERLO GROUP NV

    Inventor： OGLES, Charles Zachry ,  WALLACE, Sun Young ,  MUTEAU, Régis

    IPC: C05C1/00 ,  C05C3/00 ,  C05C9/00 ,  C05D9/02 ,  C05G3/90 ,  C05C3/005 ,  C05C9/005

    Abstract: The present invention relates to a process for inhibiting, at least in part, nitrification activity of ammonium-containing fertilizers (a1) and/or of ammonium-producing fertilizers (a2), which process comprises the steps of: a) Applying to soil and/or to foliage a nitrification inhibitory amount of one or more compounds (b) that are selected from the group consisting of (b1) polysulfides and/or (b2) thiosulfates and/or (b3) hydrosulfides; b) Wherein the one or more compounds (b) are applied simultaneously with, before or after the fertilizers (a) are applied to the soil and/or to the foliage such that the compounds (b) are in direct contact with the ammonium-containing fertilizers (a1) and/or the ammonium-producing fertilizers (a2); c) Wherein the one or more nitrification inhibiting compounds (b) are applied in an amount: i. such that the ratio (w/w) of "total protectable nitrogen"over "sulfur from compounds (b)" is at most about 8:1, preferably at most about 7.5:1, more preferably at most about 7:1, and/or, ii. corresponding to a soil level of S (sulfur) that is between about 50 and about 300 ppm, preferably between about 75 and about 300 ppm, more preferably between about 100 and about 250 ppm; and d) Wherein compounds (b) are different from compounds (a).

    METHODS FOR THE PRODUCTION OF THIOSULFATES VIA SALT METATHESIS
    8.
    发明申请
    METHODS FOR THE PRODUCTION OF THIOSULFATES VIA SALT METATHESIS 审中-公开

    公开(公告)号：WO2023057397A1

    公开(公告)日：2023-04-13

    申请号：PCT/EP2022/077482

    申请日：2022-10-03

    Applicant: TESSENDERLO GROUP NV

    Inventor： FAIRWEATHER, Thomas David ,  HOJJATIE, Michael ,  FRANCO, Jorge

    IPC: C01B17/64 ,  C05D5/00 ,  C05D9/00 ,  C05D9/02

    Abstract: The present invention relates method for the production of a thiosulfate comprising the steps of(i) providing a thiosulfate A represented by formula (X)n(S2O3)m;(ii) providing a compound B represented by formula (Y)o(Z)p;(iii) contacting the thiosulfate A of step (i) with the compound B of step (ii) in the presence of a solvent, thereby obtaining a reaction mixture comprising a compound C represented by formula (X)q(Z)r and a thiosulfate D represented by formula (Y)s(S2O3)t;wherein the ratio of the solubility of the thiosulfate D in the solvent at a predetermined temperature to the solubility of the compound C in the solvent at the same predetermined temperature is at least 5:1 or less than 1:5. The invention also relates to liquid fertilizers obtainable by the method of the invention.

    SPHERICAL FERTILIZERS AND PROCESSES FOR THE PRODUCTION THEREOF
    9.
    发明申请
    SPHERICAL FERTILIZERS AND PROCESSES FOR THE PRODUCTION THEREOF 审中-公开

    公开(公告)号：WO2021250220A1

    公开(公告)日：2021-12-16

    申请号：PCT/EP2021/065727

    申请日：2021-06-10

    Applicant: TESSENDERLO GROUP NV

    Inventor： LUTS, Peter ,  LANDUYT, Peter ,  GILS, Kristof

    IPC: C05D1/02 ,  C05D9/02 ,  C05G3/30 ,  C05G5/12

    Abstract: The present invention relates to a process for making a fertilizer in granular form, said process comprising: (i) Providing a mixture comprising (a) potassium sulfate (A) and (b) one or more binders, said one or more binders including water, wherein at least 30 wt.%, preferably at least 40 wt.% of said potassium sulfate (A) has a particle size between 75 and 1000 µm; (ii) Subjecting the mixture to a granulation step to form granules, preferably wherein said granulation step is effected in a wet tumbling granulator; and (iii) Drying the granules; and (iv) Optionally, sieving of the granules thus obtained to retain granules that have a particle size between 1 and 6 mm, preferably between 2 and 5 mm.

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