CS265535B1 - A method for separating a protein-starch suspension from maize - Google Patents
A method for separating a protein-starch suspension from maize Download PDFInfo
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- CS265535B1 CS265535B1 CS872188A CS218887A CS265535B1 CS 265535 B1 CS265535 B1 CS 265535B1 CS 872188 A CS872188 A CS 872188A CS 218887 A CS218887 A CS 218887A CS 265535 B1 CS265535 B1 CS 265535B1
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Abstract
Riešenie spadá do odboru škrobárenských tehcnológii. Podstata riešenia spočívá v tom, že bielkovinovoškrobová suspenzia sa po úpravě hustoty na hodnotu 1 035 až 1 090 kg.m-3 podrobí frakčnej sedimentácii počas 30 až 50 minút, pričom sa oddělí spodná škrobová frakcia s 0,2 až 0,4 %-ným obsahom zvyškového gluténu, středná gluténová frakcia s 30 až 80 %-ným obsahom bielkovín v sušině a horná vodná vrstva.The solution falls into the field of starch technology. The essence of the solution is that the protein-starch suspension, after adjusting the density to a value of 1,035 to 1,090 kg.m-3, is subjected to fractional sedimentation for 30 to 50 minutes, during which the lower starch fraction with a 0.2 to 0.4% residual gluten content, the middle gluten fraction with a 30 to 80% protein content in dry matter and the upper aqueous layer are separated.
Description
Vynález sa týká spósobu delenia bielkovinovo-škrobovej suspenzie z kukuřice.The invention relates to a process for separating a protein-starch suspension from maize.
V literatúre sú popísané rózne spósoby separácie kukuřičného škrobu a gluténu. Bielkovinovo-škrobová suspenzia sa dělí na svoje zložky bud rozplavovacím spósobom odstředivkovými separátormi hydrocyklónmi alebo flotačným spósobom^ alebo kombináciou týchto spósobov.Various methods for separating maize starch and gluten are described in the literature. The protein-starch suspension is subdivided into its components either by bursting with centrifugal separators by hydrocyclones or by a flotation method or a combination of these methods.
Nedostatkom uvedených spósobov výroby je relativné vysoký obsah zvyškového gluténu v kukuričnom škrobe, pohybujúci sa v rozmedzí 0,5 až 1,0 % hmot. počítané na sušinu produktu.A disadvantage of the above production methods is the relatively high content of residual gluten in corn starch, ranging from 0.5 to 1.0% by weight. calculated on the dry matter of the product.
Nedostatkom najčastejšie aplikovaných separátorov je zložitost a hlučnost výroby, ako aj vysoká spotřeba energie používaných drahých rýchlobežných strojov. Hydrocyklóny pracujú pod tlakom a vyžadujú predradenie odpieskovacieho hydrocyklónu. Ich poruchovost sa odvádza najmá z upchávania trysiek. Flotačné zariadenia sú doplňkovými a tvoria záverečnú fázu delenia škrobu od gluténu niektorými z uvedených spósobov.The disadvantages of the most commonly used separators are the complexity and noise of production, as well as the high energy consumption of the expensive high-speed machines used. The hydrocyclones operate under pressure and require a downstream hydrocyclone upstream. Their failure rate is derived mainly from the clogging of the nozzles. The flotation devices are complementary and form the final phase of the separation of starch from gluten by some of the above methods.
Uvedené nedostatky v podstatnej miere odstraňuje spósobom podlá vynálezu, ktorého podstata spočívá v tom, že bielkovinovo-škrobová suspenzia sa po úpravě hustoty na hodnotu 1 035 až 1 090 kg.m podrobí frakčnej sedimentácii počas 30 až 50 minút, pričom sa oddělí spodná škrobová frakcia s 0,2 až 0,4 %-ným obsahom zvyškového gluténu, středná gluténová frakcia s 30 až 80 %-ným obsahom bielkovín v sušině a horná vodná vrstva. Spósobom podlá vynálezu sa dosiahne návrat desatiny objemu disperzného média, vody, na opakované využitie v přípravných fázach spracovania kukuřice na škrob.The above-mentioned deficiencies are substantially eliminated by the method according to the invention, characterized in that the protein-starch suspension is subjected to fractional sedimentation for 30 to 50 minutes after adjusting the density to 1035 to 1090 kg.m, separating the lower starch fraction with a residual gluten content of 0.2 to 0.4%, a middle gluten fraction with a dry matter content of 30 to 80% and an upper aqueous layer. The method according to the invention achieves the return of one tenth of the volume of the dispersion medium, water, for reuse in the preparation stages of processing corn into starch.
Spósobom delenia bielkovinovo-škrobovej suspenzie podlá vynálezu sa zníži spotřeba energie najmenej o 50 %. Získá sa mimoriadne čistý finálny škrobový produkt s obsahom 0,2 až 0,4 % hmot. zvyškového gluténu v sušině, s možnostou jeho lepšej aplikácie vo formě suroviny pre dalšie výrobky.By dividing the protein-starch suspension according to the invention, the energy consumption is reduced by at least 50%. An extremely pure final starch product having a content of 0.2 to 0.4% by weight is obtained. residual gluten in dry matter, with the possibility of its better application in the form of raw material for other products.
PříkladExample
200 litrov bielkovinovo-škrobovej suspenzie hustoty 1 090 kg.m sa upraví vodou na hustotu 1 060 kg.m 3. Štipec suspenzie o výške 1 400 mm sa v priebehu 45 minutového státia rozdělí na spodnú škrobovú s 0,3 %-ným obsahom zvyškového gluténu, na strednú gluténovú s obsahom bielkovín v sušině 55 % hmot. a vrchnú vodnú vrstvu. Po uplynutí sedimentačného času sa postupné odvedie škrobová frakcia po častiach. Gluténová frakcia sa vypušta nepřetržitým tokom do osobitnej nádrže. Vodná vrstva sa na závěr recirkuluje na druhotné použitie.200 liters of a protein-starch suspension with a density of 1090 kg / m 3 are treated with water to a density of 1060 kg / m 3 . The suspension column of 1,400 mm height is divided into a lower starch with a residual gluten content of 0.3% over a 45 minute period, and a middle gluten with a protein content of 55% by weight in the dry state. and a top aqueous layer. After the sedimentation time has elapsed, the starch fraction is sequentially removed. The gluten fraction is discharged through a continuous flow into a separate tank. Finally, the aqueous layer is recirculated for reuse.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS872188A CS265535B1 (en) | 1987-03-30 | 1987-03-30 | A method for separating a protein-starch suspension from maize |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS872188A CS265535B1 (en) | 1987-03-30 | 1987-03-30 | A method for separating a protein-starch suspension from maize |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS218887A1 CS218887A1 (en) | 1989-02-10 |
| CS265535B1 true CS265535B1 (en) | 1989-10-13 |
Family
ID=5358280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS872188A CS265535B1 (en) | 1987-03-30 | 1987-03-30 | A method for separating a protein-starch suspension from maize |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS265535B1 (en) |
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1987
- 1987-03-30 CS CS872188A patent/CS265535B1/en unknown
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| Publication number | Publication date |
|---|---|
| CS218887A1 (en) | 1989-02-10 |
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