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Expand your business Process solutions for bakers’ yeast, yeast extract and molasses pre-treatment Alfa Laval in brief Alfa Laval is a leading global provider of specialized products and engineer- ed solutions. Our equipment, systems and services are dedicated to helping customers to optimize the perform- ance of their processes. Time and time again. We help our customers to heat, cool, separate and transport prod- ucts such as oil, water, chemicals, beverages, foodstuffs, starch and pharmaceuticals. Our worldwide organization works closely with customers in almost 100 countries to help them stay ahead. How to contact Alfa Laval Up-to-date Alfa Laval contact details for all countries are always available on our website at www.alfalaval.com. Legal company name Address line one Address line two Address line three Tel: + 00 00 00 00 00 Fax: + 00 00 00 00 00 e-mail: [email protected] www.alfalaval.com LS00039EN 0602 Choose a sure thing Industrial-scale yeast and yeast extract production requires a number of critical choices. The equipment selected and the way each system is designed can have a significant impact on the quality of the end product. That’s why it’s critical to engage a supplier who deeply understands the nuances of each process and the core technologies required to achieve the process excellence you want. With many years experience in the production process and a wide range of support services, Alfa Laval is such a supplier. ALFA LAVAL is a trademark registered and owned by Alfa Laval Corporate AB, Sweden. © 2006 Alfa Laval. Carlsson Communication / Network 2006

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Expand your business

Process solutions for bakers’ yeast, yeast extract and molasses pre-treatment

Alfa Laval in briefAlfa Laval is a leading global providerof specialized products and engineer-ed solutions.

Our equipment, systems andservices are dedicated to helpingcustomers to optimize the perform-ance of their processes. Time andtime again.

We help our customers to heat,cool, separate and transport prod-ucts such as oil, water, chemicals,beverages, foodstuffs, starch andpharmaceuticals.

Our worldwide organization worksclosely with customers in almost 100 countries to help them stay ahead.

How to contact Alfa LavalUp-to-date Alfa Laval contact detailsfor all countries are always availableon our website at www.alfalaval.com.

Legal company nameAddress line oneAddress line twoAddress line threeTel: + 00 00 00 00 00Fax: + 00 00 00 00 00e-mail: [email protected]

LS00039EN 0602

Choosea sure thing

Industrial-scale yeast and yeast extract production requires a number of

critical choices. The equipment selected and the way each system is

designed can have a significant impact on the quality of the end product.

That’s why it’s critical to engage a supplier who deeply understands the

nuances of each process and the core technologies required to achieve

the process excellence you want. With many years experience in the

production process and a wide range of support services, Alfa Laval is

such a supplier.

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2006

Page 2: Choose - Alfa Laval - · PDF fileon our website at . Legal company name Address line one ... Nozzle separator line PHE Yeast extract Strainer Yeast Concentration Heating Polishing

Coarseseparation

Separation & Washing

Preconcentration

Reverse osmosis

Condensatetreatment

Reverse osmosis

Evaporation systems

Ultrafiltration polisher

Diafiltration water

Nozzle separator line

PHE

Yeast extract

Strainer

Yeast

Concentration

Heating

Polishing

Autolysis

Sugar Recovery

Clarification

Sterilization

Solids removal

Preconcentration

Fermentation

Pretreatment

Separation & Washing

Condensed molassessolubles

Decanter

Reverse osmosis

Fermentation mother liquor

Decanter

PHE

Steam

High-speedcentrifuge

Nozzle separator line

PHE PHE Yeast concentrate

PHE

Sludge

SolidsVinasse

Hydro-cycloneStrainer

Water

Rawmolasses

Concentration

Cooling

Cooling

Cooling

PreheatingCoarse

separation

A correctly designed system employsequipment from all of Alfa Laval’s keyproduct areas – fluids handling,separation and heat transfer.

Yeast extract concentrateYeast extracts are manufactured frombaker's yeast. Manufacture from recov-ered brewer's yeast is also possible.Through controlled autolyses, the proteins of the yeast cell are solubilized.Cell walls are separated and washed in centrifugal separators to securemaximum product recovery. Membranefiltration may be used for polishing andpre-concentration before concentrationby evaporation. Finally, yeast extractconcentrate is generally dried and soldas a powder.

Paving the waySince its earliest days Alfa Laval haspioneered developments in separationtechnology for the yeast industries.Today, both bakers’ yeast and yeastextract processes are dominated byAlfa Laval equipment. Proprietary features like our Vortex nozzles, pneu-matic actuated discharge and full CIPcapability are industry standards.

possible without losses of sugar.Otherwise, additional wash water maybe required at a later phase, addingunnecessary costs.

A correctly designed molasses pre-treatment system employs equipmentfrom all of Alfa Laval´s key productareas – fluids handling, separation and heat transfer. The right selection,coupled with Alfa Laval´s experienceand process know-how, guaranteesproduct quality, operational reliabilityand the highest possible efficiency.

Heating, cooling or holding steadyAlfa Laval heat exchangers play a keyrole in these industries. Throughout theentire process heat exchangers areused for heating, cooling and steadytemperature control.

Our heat exchangers features sanitarydesign, extremely close temperatureapproaches, fast response times, lowproduct hold-up as well as being fullycleanable in place.

Yeast production process

A typical molasses-based yeast production process.

Get it right from the start

We can help turn a sensitiveprocess into a sure thingOur leading core technologies in thearea of separation, fluids handling andheat transfer meet the most demandingrequirements. Equipment from all of AlfaLaval’s technologies is used in eachstep in the production process, frommolasses pre-treatment and fermenta-tion to dewatering and waste disposal.

In the pretreatment phase, it is vital thatyou remove the suspended solids –sand, mud and clay – as efficiently as

In the yeast extract process, Alfa Lavalmembrane technology may be com-bined with our traditional high-speedseparators to enhance product qualityby selectively removing “soluble” com-ponents which may also improve theefficiency of downstream processing.

Reduce size and costsCompared to conventional shell-and-tube evaporators and condensers,AlfaVap and AlfaCond work wonderson your wallet. They not only requireless space but also substantiallyreduce investment and maintenancecosts – without sacrificing reliability or safety.

The unique designs of AlfaVap andAlfaCond provide substantially higherthermal efficiency than conventionalshell-and-tube units, which meansmuch lesser heat transfer area is need-ed. This makes AlfaVap and AlfaCondextremely economical. The compact

design saves you space and makeserection and installation cheaper. Theflexible design makes it easy to adjustcapacity to meet changing needs, simply by adding or removing plates.

The more than 1,500 AlfaVap and/orAlfaCond installations in different applications worldwide testify to thesuccess of these products.

In addition to those generated by theAlfaVap, you can achieve further costsavings for both concentration of yeastextracts and effluent treatment (vinasse)by incorporating our custom-madesolutions in membrane technology.Specifically, this technology can beplaced as a pre-concentration step tothe evaporator stage. In this way, apartfrom offering further savings in costsfor new lines, the membranesystemcan also be used to de-bottleneckexisting process lines.

Furthermore, to reduce environmentalimpact and effluent treatment costs,Alfa Laval membrane technology canbe used to concentrate the evaporatorcondensate producing a clean waterstream for reuse and a low volumestream containing the BOD/CODloading.

Other Alfa Laval fermentation applicationsAlfa Laval equipment and expertise isused in related fermentation applica-tions, including algae, amino acids,fodder yeast, organic acids, poly-saccharides, vitamins, enzymes andsingle-cell proteins.

Service countsIn modern yeast processing, efficient,well-planned service plays an importantpart in maintaining profitable operations.

Full controlAlfa Laval operates with a highlysophisticated Nonstop Performanceconcept made possible by our world-wide network of service and spareparts distribution centres in more thanfifty countries throughout the world.Alfa Laval has full control over theentire supply chain, which means thatwe can provide customers withresponse times, availability and leadtimes that are second to none.

Service when it fits inThe service requirements for Alfa Lavalyeast processing equipment are minimal,and planned preventive maintenance is the key to making sure this alwaysremains the case. Alfa Laval’s world-wide service capabilities and vastexperience with the contract mainte-nance and service of our equipmentensure that any service work requiredinvolves the absolute minimum of disturbance to operations.

And when your business is running 24hours a day, seven days a week, youneed excellent backup service, technicaland after-sales support. With 70 servicecenters worldwide and a presence insome 100 countries, we are uniquelyqualified to ensure you produce thequality and quantity of yeast you want,at price and productivity levels that willhelp expand your business.

Condensatetreatment

Reverse osmosis

Evaporation systemsAlfa Laval product portfolio for yeast

• plate heat exchangers• decanter centrifuges• strainers & cyclones • high speed separators • plate evaporators • plate condensers• membranes• valves and pumps

Yeast extract process