cross-flow for wine-crossflow filter
TRANSCRIPT
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Gentle and efcient fltration
Cross-Flow for Wine
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Applications
Must
mechanicalandmicrobial
filtrationbeforefermentation
asde-sludgeorfinalfiltration
offinishedproductinsteadofpasteurization
Stop fermentation
stoppingprimaryandsecondary
fermentationofmustandyoung
wineattherequiredvolumeof
alcohol
Wine spoilage
preventiveandcorrectivemicrobial
filtrationinthecaseofwinespoilageand
faultssuchasyestBailii,Brettanomyces,
Acetobacterbacteriesetc.
Wine
winesatvariousstagesof
production Champagne
champagneandsparkling
winesproducedunderpressure
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Benefts o our concept
Our concept Cross-flow for Wine is a result of international collaboration of specializedcompanies from the Czech Republic, the Netherlands, Italy and Germany. Its main benefits are:
No compromise in quality of wine
DifferentporestructureofPPmembraneensures
thatthefiltrationisnotsoviolentandpreservesthe
originalcharacteristicofwine.Thereforeitismuchgentlerapproachtowinethananyoftherival
cross-flowsystems.
Thespeciallydesignedfiltrationmodulesdesign,
togetherwithliquidflowdistributioninthesystem,
minimizesthehydro-mechanicalandheateffects
onwineby40-50%andalsoincreasesthe
self-cleaningabilityofmembranes.
Theequipmentprovidesanoptiontoclarifywinewithmorecarewithouttheburdeningtangential
circulationinthesamewayasconventional
dead-endfilters,whichisanadvantagemainly
fordealingwithlessdisturbedandrarewines.
Backwashofmembranesusingafiltered
wineandwithouttheuseofcompressedair
excludeswineoxidationandmikrobiological
contaminationcausedbyatmosphericair.
Substantial time and cost savings
Thefiltermembranehasahighflowrateandat
thesametimeitismoreinertagainstproteinand
polyphenolclinging,asaresultofwhichthefilterdoesnotclogupsomuch,filtrationcyclescanbe
longerandthecleaningiseasierandofcourse
lessexpensive.
Withitsinnovativesystemofautomaticcontrol
andreverseflowbackwashFCWhandlesup
to20%highercurrentoutputandthevolumeof
filteredwineinonefiltrationcycle,comparedwith
conventionalcross-flowsystems.
Serialarrangementofmodulesallowsupto40%
savingsinenergyrequirements.
Themachinerequiresverylittleoperationandit
canworkonitsownforalongtimewithoutany
operatorattention.
Nofurthercostsrelatedwithfiltrationequipment
andwaste,whichisassociatedwithfiltration.
Wineismadeduringonefiltrationstepforafillingline.
Systemevenforthegentlestwinemakers
Largechoiceaccordingtothethroughputanddegreeofautomationfrommanualone-modulemachinestomulti-modulefullyautomated
Increasedfiltrateflowstabilityandfoulingreductionduetoreverseflowandbackwash
Steelunitsoffiltrationmodulesenablefiltrationofstillandsparklingwinesunderexcesspressure
Excellentsanitationpossibilitiesofthesystem-sterilisationcapabilityuptopH13
100%alcoholresistance
Filtrationtrialspossibilitybeforepurchase
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How the system works
Functional diagram of the system
Conventional system - one-way flow
Thecirculationofthetangentialflowin
onedirectiononlyleadstoanuneven
surfacemembranefilterclogging,reduced
efficiencyofbackwashandthereforeless
filtrationthroughput.
unfilteredliquid
backwashofthemembrane
themembraneafter
backwash
Cross-Flowprinciple
membranemodul
fiteredwine
backwashusingafilteredwine
dirtywine
concentrate(ciculation loop)
pump
Dirts directionandintensityofbackwash
flowdirectionintheloop
The system with reverse flow
Withtheautomaticrotationofthe
tangentialflowdirectionisusedby
moreequitablytheentirefiltersurface.
Thereforebackwashcyclesaremore
efficientandcleanermembrane.
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Lenght of filtration
Adsorption of polysaccharide, polyphenol and Tannin
Advantages of the system with reverse flow:
Highercleaningefficiency
Increasedfiltrationflow
Greatercapacityofthefiltrationcycle
Advantages of PP membrane in comparison with PES:
Loweradsorptiontendencyofwineingredientsgentlerfiltration
Symmetricalporeshighercleaningefficiency
Greaterresistancetoproteinsandabrasion
Longermembranelifespan
100%alcoholresistance
filtrationflow(
l/hr)
Ads
orption(mg/m2membrane)
filtrationlenght(hour)
PolyphenolsPolysaccharidesTannin
3
2
1
0
Conventionalsystem
Thesystemwithreverseflow
PESmembrane
PPmembrane
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Basic product line
Blek Filtry s.r.o.,696 21, Joseov 135IO: 269 71 259Tel: +420 518 372 075Tel./Fax + 420 518 372 134E-mail: ino@fltrace com
Localdistributor:
FCW is a modular system that can be equipped with a larger number of modules
according to customer requirements for filtration area and performance.
FCW 40, FCW 60Level of Automation - high (PLC): Adjustablemodesoffiltrationaccordingtotheparticularproduct Optionalregimesofthesystembehavior
(stop,emptying,rinsing,sanitation) Thesystemenableslongtimefiltrationprocesswithoutoperator Touchscreendisplayprovidesvisualizationandeaseuse
TypeFiltrationaream2
Numberofmodules
Throughputl/hour
FCW40 40 4 2000-6000
FCW60 60 4 3000-9000
FCW 20, FCW 30Level of Automation - semi (PLC): Reversetangentialflowinloop Cleaningcyclewithbackpulsesetting Thesystemstopsautomaticallywhen:
-Lackofinputwine-Filtrateflowdeclinesbellowadjustedlimit-Thesystemgetsoverthesettemperature
Type
Filtration
aream2Numberof
modules
Throughput
l/hour
FCW20 20 2 1000-3000
FCW30 30 2 1500-4500
FCW 10, FCW 15Level of Automation - basic:
Thesystemstopsautomaticallywhen:-Lackofinputwine-Filtrateflowdeclinesbellowadjustedlimit-Thesystemgetsoverthesettemperature
TypeFiltrationaream2
Numberofmodules
Troughputl/hour
FCW10 10 1 500-1500
FCW15 15 1 750-2000