Method of producing a pelleted slow release NPN feed for ruminants专利检索-反刍动物畜牧业专利检索查询-专利查询网

Method of producing a pelleted slow release NPN feed for ruminants

阅读：119发布：2022-01-07

专利汇可以提供Method of producing a pelleted slow release NPN feed for ruminants专利检索，专利查询，专利分析的服务。并且Readily available, solid carbohydrate materials comprising water-insoluble polysaccharides are converted into slow-release nitrogen products valuable as a protein substitute in ruminant feeding and as a slow-release fertilizer for growing plants. The slow-release properties are achieved by acid catalyzed reaction of an amide such as urea or biuret with partially degraded polysaccharides and by agglomeration of this combination into particles having substantial physical integrity. Improved agglomeration is achieved by pelleting the amide-polysaccharide intermediate product in the presence of a minor amount of a ureaformaldehyde polymer.，下面是Method of producing a pelleted slow release NPN feed for ruminants专利的具体信息内容。

权利要求

1. A PROCESS FOR PREPARING A PELLETED RUMINANT FEED, WHICH COMPRISES: A. PROVIDING A LIQUID RUMINANT FEED SUPPLEMENT COMPRISING 4 TO 8 PERCENT BY WEIGHT OF AMMONIUM SULPHATE, UP TO 20 PERCENT BY WEIGHHT OF MOLASSES, 20 TO 30 PERCENT WEIGHT OF UREA, AND 15 TO 25 PERCENT BY WEIGHT, ON A DRY BASIS OF AN AQUEOUS AMMONNIATED SUPERPHOSPHORIC ACID HAVING A NITROGEN CONTENT OF ABOUT 9 TO 12 PERCENT WEIGHT, A TOTAL PHOSPHORUS CONTENT MEASURED AS P2O5 OF 28 TO 39 PERCENT BY WEIGHT, AND WHEREIN POLYMERIC PHOSPHATES REPRESENT ABOUT 30 TO 70 PERCENT BY WEIGHT BASED ON THE TOTAL PHOSPHORUS CONTENT, B. ADMIXING SAID LIQUID FEED SUPPLEMENT WITH A SOLID CARBOHYDRATE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALFALFA, ORANGE PULP, BAGASSE, PEANUT HULLS, AND STRAW, SAID SOLID CARBOHYDRATE MATERIAL COMPRISING WATER-SOLUBLE AND WATER-INSOLUBLE POLYSACCHARIDES, A SUFFICIENT QUANTITY OF SAID FEED SUPPLEMENT BEING PROVIDED IN THE ADMIXTURE TO CAUSE THE LATTER TO HAVE A TOTAL PROTEIN EQUIVALENT OF 25 TO 60-PERCENT BY WEIGHT ON A DRY BASIS, AND PROVIDE AN ACID CATALYST FOR HYDROLYSIS OF THE POLYSACCHARIDES TO FORM CARBONYL GROUPS REACTIVES TO UREA, C. DRYING AND REACTING THE ADMIXTURE FROM STEP B IN A CONVENTIONAL GAS FIRED DRYER AT A TEMPERATURE WITHIN THE RANGE 180* TO 240*F. FOR 5 TO 60 MINUTES TO OBTAIN A DRIED, REACTED, SOLID MATERIAL CONTAINING 6 TO 12 PERCENT BY WEIGHT OF WATER, D. COATING THE DRIED, REACTED SOLID MATERIAL FROM STEP C WITH A CONCENTRATED AQUEOUS UREA-FORMALDEHYDE SOLUTION CONTAINING 60 TO 90 PERCENT TOTAL SOLIDS ANND 0.5 TO 6.5 MOLS OF FORMALDEHYDE FOR EVERY MOL OF UREA, AT A RATIO OF ABOUT 5 TO 20 PARTS BY WEIGHT OF SAID UREA-FORMALDEHYDE SOLUTION PER 100 PARTS BY WEIGHT OF SAID DRIED, REACTED SOLID MATERIAL, E. PELLETING AND AGGLOMERATING THE COATED MATERIAL FROM STEP D AT A TEMPERATURE OF 140* TOO 300*F. TO OBTAIN AN AGGLOMERATED PELLETED PRODUCT, AND F. COOLING THE RESULTING PELLETED PRODUCT TO AMBIENT TEMPERATURE WITHIN 1 TO 60 MINUTES AFTER PELLETING WHEREBY A HARD PELLETED PRODUCT IS PRODUCED.

2. The process of claim 1 wherein the pellet formation temperature in step e is 200* to 300*F.

3. The process of claim 2 wherein the aqueous urea-formaldehyde solution in step d contains 80-85 percent by weight total solids and 4.2 to 5.2 mols of formaldehyde for every 1 mol of urea.

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Method of producing a pelleted slow release NPN feed for ruminants

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