1. casein casein is a protein in milk. approximately %80 of milk proteins are casein. the sizes of...
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CASEIN
Casein is a protein in milk. Approximately %80 of milk proteins are casein. The sizes of casein particules are between 10-600mm. Casein consists of %93 dry matter and %7 inorganic matter like Ca, Mg,So4, PO4.The quantitative of casein in cow milk is generally %2,63 while it is %4,5 in sheep milk and %3,1 in goat milk.
In nonfat cow milk; Water 87,6% Lactose 4,7% Casein 2,7% *Whey Protein 0,5% Minerals 0,7% Fat 3,8%
*Whey Protein is isolated from whey. In comparison with casein, It reacts faster in human body.
CASEIN PROCESSING
APPLICATION AREAS of CASEINCasein is used in lot of food and non-food applications.
Dairy Industry, Butterfat Production, Ice Cream Production, Coffee Whitener, Pasta Production, Meat Industry, Instant Soup Production, Dry Food Production, Infant Formula Production, Cosmetic Industry, Pharmaceutical Products, Pet Food, Paper Coating, Leather Finishing And İn Synthetic Fibres, Plastics For Buttons, Buckles Etc, Glue Production, Agricultural Pesticides Production
CASEIN PROCESSING
HAUS provides two different processes in casein production:
1. Acid Casein
Obtained from skim milk pH acidified to 4,6 - 4,7 and includes low degree cinder (%2)
2. Rennet Casein
Obtained from skim milk enzyme precipitation and includes high degree cinder (%8)
CASEIN PROCESSING
CASEIN PROCESSING
Rennet Casein
Acid Casein
Milk Protein KM ≥ 84,0% ≥ 90,0%
Casein in milk protein ≥ 95,0% ≥ 95,0%
Water ≤ 12% ≤ 12%
Fat ≤ 2,0% ≤ 2,0%
Cinder ≤ 7,5% ≤ 2,5%
Lactose ≤ 1,0% ≤ 1,0%
Free Acid - ≤ 0,27 ml 0,1 N NaOH/g
*Comparison of Casein Quality Criteria
CASEIN PROCESSING
CASEIN PRODUCTION
Acid Casein Process
At the recovery of acid casein; skim milk, heated up to 35 - 40°C, pH is adjusted to 4,6 by using hydrolic acid, sulphuric acid, lactic acid,Then, feeds into decanter centrifuge by passing through bonded pipe. To purify from lactose and minerals, casein output is washed with water and processed with decanter centrifuge. Casein is dried with heated air at Ringdryer units until %8-10 moisture content and packed after sifting out %0,5-1,0mm sized sifter.
CASEIN PROCESSING
Rennet Casein Process
Skim milk is cooled at 23-27°C after pasteurised. Then, adding at the rate of %0.5-1.0 acidifier, casein is incubated for 15 hours. Fast acidification, in terms of yield and quality, is not proper. After reaching necessary acidity (pH 4.6), casein is heated at plate heat exchanger. By feeding into decanter centrifuge, casein separation and washing is provided. Heated air moisture is contended at ringdryer, grinded and then casein is packed.
Advantages,
Recovery of cooling rennet casein is safer in terms of microbiologic hygiene. Less starter is needed. No cost for acid usage. Less thermal energy consumption
CASEIN PRODUCTION
CASEIN PROCESSING
SECOND DECANTER
CENTRIFUGE
PROCESS LINE FOR ACID CASEIN
RINGDRYER
COAGULATION
PASTEURISATION
FIRST WASHING
UNITSKIM MILK
FIRST TEMPERING
HCI
COOLER
FIRST DECANTER CENTRIFUGE
SECOND TEMPERING
SECOND WASHING
UNIT
THIRD DECANTER CENTRIFUGE
CASEIN
CLARIFICATION SEPARATOR
WHEY PROTEIN* Washing quantitive effects the quality of casein.
CASEIN PROCESSING
SECOND DECANTER
CENTRIFUGE
PROCESS LINE FOR RENNET CASEIN
RINGDRYER
COAGULATION
PASTEURISATIONFIRST
WASHING UNIT
SKIM MILK
COLD FERMANTATIONRENNET
COOLER
FIRST DECANTER CENTRIFUGE
FIRST TEMPERING
SECOND WASHING
UNIT
THIRD DECANTER CENTRIFUGE
CASEIN
SECOND TEMPERING
CLARIFICATION SEOARATOR
WHEY PROTEIN
CASEIN PROCESSING
PROCESS with DECANTER CENTRIFUGE
CENTRAT AFTER CENTRIFUGE
CAKE AFTER CENTRIFUGE
VIEW AFTER CENTRIFUGE
DRY MATTER(SKIM MILK)
PRETREATMENT- pH ADJUSTMENT- TEMPERING
- COAGULATION
Decanter simulation is made at HAUS Centrifuge Technologies lab.
CASEIN PROCESSING
LIFE CYCLE COST COMPARISON
CASEIN PROCESSING
DECANTER CENTRIFUGEDecanter Centrifuge; consist of a solid cylindrical bowl rotating at high speed, a scroll rotating in the same axis with a slightly different speed, gear box adjusting the speed difference and the body which carries all the rotating elements.
CASEIN PROCESSING
DECANTER CENTRIFUGEWorking Principle of Decanter Centrifuge:
The product is fed along the centre line to a fixed distribution room within the bowl and then accelerated into the bowl by centrifugal force through the feeding point. This centrifugal force then causes the suspended solids(the cake) to settle and accumulate at the bowl wall.
The cake is discharged by scroll from the conical part meanwhile clarified solid and water or only liquid flows back along the bowl and is discharged through the cylindrical end of the bowl by plates which can adjust the level of liquids.
CASEIN PROCESSING
CENTRIFUGE SYSTEM
CASEIN PROCESSING
High level of standard
configuration
ADVANTAGES
High level of material quality
and workmanship
Decanter, control units and software from one source
Reasonable lead times
CASEIN PROCESSING
Conical and cylindrical portions of the drum is designed separately for easy service & maintenance
Product supply pipe can be moved during operation. In this way wear time of dispersion point is extended and clarity of sentrat can be adjust
With level plates, The depth of the liquid phase inside the pool is adjusted sensitively. So, Clarity of sentrat can be set.
Duplex stainless steel (EN 1.4462) are using as a bowl material which is resist corrosion
Thanks to dual drive technology which is supported by our own software; differential speed adjusted automatically without human intervention in input variable concentrations of the product, depending on the value of torque .
Flight tips are coated with tungsten carbide with flame spraying method. Feeding chamber and cake
discharge line are coated with tungsten carbide with flame spraying method and they are replaceble in field .
Sumitomo gearbox is mounted outside the main bearing so it can be repaired without removing the drum in any fault.
Conveyor was designed specially. Dewatering performans will increase with axially flow rate in the machine.
DIFFERENCES OF HAUS DECANTER
HAUS DECANTERS Model Length (mm) Width (mm) Height (mm) Weight (mm)
2342 SERIES 2362 827 974 8,4
3532 SERIES 3204 830 1034 17,6
3542 SERIES 3585 830 1034 20,6
4042 SERIES 3583 1002 1310 23
4742 SERIES 4882 1225 1300 44
5342 SERIES 5406 1671 1583 65
6542 SERIES 5712 2131 1579 95
8242 SERİES 5780 2421 1749 155
CASEIN PROCESSING
Factory: Astim OSB. Denizli Bulvarı No: 110 AYDIN – TÜRKİYE Tel : +90 (256) 231 04 81
İstanbul Office: Şerifali Mevkii Bayraktar Bulvarı Yükseliş Sok. No: 534775 Ümraniye-İSTANBUL-TÜRKİYE Tel : +90 (216) 576 06 27