Background Report Reference

AP-42 Section Number: 9.12.1

Background Chapter: 4

Reference Number: 1

Title: "Beer and Brewing" in Kirk-Othmer Encyclopedia of Chemical Technology, Volume 3

H.E.Hoyrup

John Wiley and Sons, Inc.

1964

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Report Sect. '" Reference - I U131SIt ANI) UItEWING

AP-Q Section * Reference -

'ryp"9 <,I l,BOr. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ?!IS IiA I'rwloi:l,ioti < J INXX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lli Ik,pwl~icx r i i l m r . . . . . . . . . . . . S i i l , r i l . i~wd V:LIIIO r J IJDI:~. . . . . . . . ilt lk!<!T ,l<:rwI", . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I%rc:win~ ~ ~ ~ : d c r i d ~ . . . . . . . . . . . . . .

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- sweet taste. I t is only ~iiildly Iioppctl. Tlic alcul iol ic co i i tc i l t i s froni 2.5-5.00/, I)y

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MALTING

Mall

FERMENTING, STORING, BOTTLING

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. 11 - 111 IO.li'1 - L'.!)'l (-,; ) (100) = (100) = 72.4'%,

I M I - 4:I.I (-,) / I - It (100) = (--lo---) (IUU) = 58.3%

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prcri i is i i ig, t l ic hottlcs arc soaked i i t a soda sol i i t ioi t of a ccr la i i i sl,rciiglli, froiii 0.5 to 4-5%, wit11 a tctnpcraturc bc t~vcc i i i o aiitl YOOC. Some bo t l l c soakcrs d s o coti lai i t iiyloii I i r~isI ics lor clcaiisiiig bo t t l c itit.criors. A f t e r soakiiig, t l i c but t lcs iii sotiic ~ i i : i c l i i i i ~ s arc also sprnyod iiiti~riiiillj a i d cxtcrii;il ly w i t h the soda sol i i t i i i i t Iicforc g(iiiig t,o tlio aikr-riiisiiig, Init i t i iitlicr iit: i i~Ii i i i i :s :ill l.lia spr:iyiiig i s i l i ~ i i c iii t.lic afl,i:r riiiscr. cold witcr. hlacliiiics iii 1111: U.S. :ire iisually fitted with tliri:~, f~itir, or l i ve co i i i l ~a r l - I i i i c i ~ t s iItr so:iliiiig w i t h vsryiiig strciigllis of c:iustic sochi i i i id v:iryiiig tciiipcmturcs::

. llcrc tlic l iot t lcs :ire spri iycd wit11 11111 w:itar, Iitkwv:~riii witcr, : i t i d finally

riiisc is ~ i c r f i i r i i i c i l iisiiig s1ir:iys [if filtered w:itcr. Nost 1hopc: i t i iti:iclii i ics spray t,lic l i~i l , l , lcs 1vit.h t l i c soi1:i siihitioti.

I l i e elcnii Iwl.t.los :wc ~.r:ttisfcrrcd l o 1.11~: fillers \vil,li ~:ni~vcyiir 1~~11.s iiii~l :irc iisii:i11y i i i s ~ i , ~ ~ I , ~ l t j t i t,li,: \vny so I,li:it. I iol.I, lrs \ v l i i i ! l i :in: ii<iI1 i , l t % : i i i ,~iiiiiigIi ii i i iy In i t s o r I t ~ 1 OIII. T l i c lillitig is :d\v:iys i loi ic uiidcr a cartai i i coriiitcr pressure i i i :iccor~l:itiw \vi t l i t.liu :iiituiiiit of c:irIioit d ioxide in the bccr. I k ~ i i i t l i c bottling t:iiilis t h e Iici:r i s translci,rcd 11y carl.ioii t l ioxidc prcssurc or hy wny of a puiitp. 'IYic l i l l c r i s litlcd 1111 t op with a rcscrvnir, froiii wl i i c l i t h e bccr is distr i l )u lcd t o the varini is filling viilvcs. W l i c i i a 116ttlc coiiics iiito t l i c machitic, it is f i rst provided w i t h a couittcr prcssiiri: (:qual to t l i c nile over t l i c Iiccr iii t l i c reservoir. l\'Iicit th is is cstalilislicd, t l i c Ixxr st:trls t o ruii a i d f i l ls t l i c l ~ ~ i t l l c . After t l ic bo t t le i s lillcd, t l i c lancet or valvc is cliiseil aiid tlic boltkc ~i invcs oti t o t h e crowiicr. Xormally, oi i IICWCT i i iaclriiics t l ic cout i tcr prcs5urc is rc l icvct l ~.radiiallv. and trot suddeiilv. 111 fil l i i irr t h e bn t t l cs the I iccr disulaccs al l t l ic

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Vol. 3 UEISIL ANI) UItEWING 329

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330 lU111t AND UlllSWlNC

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Single Strength Ruh Beer - -

1st StaGc

Generator

Partly (Twofold) Concenlraled Beer

from Fermenter

u Final (Fourfold) - 1st stage 2nd Stage

Centrifuge Cent,ifvge Concenlrated Beer lo Filter

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Rccovcred Dilute Conceiiiratu

Final Centrifuge

Srml Ice Discharge c-

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