Optimization txheej txheem ntawm npias poov xab fermentation thiab poov xab Extract

Optimization txheej txheem ntawm npias poov xab fermentation thiab poov xab extract

84cap npias poov xab thiab nws cov tshuab extract

Ntawm cov ntawv thov kev lag luam ntawm Saccharomyces cerevisiae, ob qhov chaw paub zoo tshaj plaws yog tias nws pab hauv brewing npias, hloov suab thaj rau hauv cawv thaum tseem ntxiv tsw; Lwm qhov yog tias cov poov xab nquag siv hauv ci ci, pab cov khoom ci kom fluffy, thiab tseem tuaj yeem ntxiv tsw. Txawm hais tias, nruj me ntsis hais lus, ob qho tib si yog Saccharomyces cerevisiae, tseem muaj ntau qhov sib txawv hauv kev tsim cov txheej txheem fermentation.

Kab lus no feem ntau tham txog cov txheej txheem engineering ntawm cov poov xab fermentation hauv cov txheej txheem npias brewing, nrog rau cov kev taw qhia thev naus laus zis tshiab ntawm npias pov tseg poov xab kho, muab qee cov ntaub ntawv rau cov lag luam.

1. Cov txheej txheem ntawm npias brewing

Cov duab hauv qab no yog cov txheej txheem kev khiav dej num rau npias brewing:

Cov txheej txheem ntawm npias brewing muaj xws li malt ntau lawm, sib tsoo, mashing, extract extraction, hop ntxiv thiab boiling, hop thiab sediment tshem tawm, txias thiab aeration, fermentation, poov xab sib cais los ntawm npias, laus, maturation thiab ntim, thiab lwm yam. Lub hom phiaj ntawm tag nrho cov txheej txheem yog hloov cov hmoov txhuv nplej siab rau hauv cov suab thaj, tom qab ntawd ferment nrog cov poov xab los tsim cawv, thiab thaum kawg tau txais cov khoom tiav.

Muaj ntau ntau hom thiab tsw ntawm npias uas dhau ntawm qhov kev sib tham no. Ntawm no, peb tsuas piav luv luv thiab nkag siab nws.

2. Fermentation txheej txheem engineering ntawm npias poov xab

Lub fermentation ntawm npias poov xab yog tiag tiag batch fermentation. Cov tso tsheb hlau luam siv feem ntau yog hloov cov suab thaj rau hauv cawv, uas txawv ntawm lub hom phiaj kawg ntawm tus neeg ua mov ci poov xab fermentation, uas yog kom tau cov poov xab nws tus kheej. Feem ntau npias fermentation tso tsheb hlau luam yog tag nrho cov cylindrical thiab conical fermentation tso tsheb hlau luam, raws li qhia hauv qab no:

Kev tsim ntawm lub npias fermentation tank yog qhov tseeb vim nws yog ib qho anaerobic fermentation, uas txawv heev ntawm peb cov pa aerobic fermentation tso tsheb hlau luam. Txawm li cas los xij, tus qauv tsim feem ntau yog nyob ntawm cov kev xav hauv qab no:

a: Lub khob hauv qab pab cov seem thiab cov poov xab nyob rau qhov kawg ntawm fermentation;

b: Lub khob hliav qab hauv qab pab txhawb kev tawm ntawm cov kua ntshiab thiab stratification ntawm residue;

c: Lub khob hliav qab kuj pab hauv CIP tu, thiab lwm yam.

Qee hom kev nruam fermentation kuj tau sim rau npias poov xab fermentation, xws li ntau lub tank stirring nruam fermentation system qhia hauv qab no:

Piv txwv li, cov nram qab no nruam ntauwd fermentation tank system, thiab ntawm chav kawm ntau classic loj-scale anaerobic fermentation tso tsheb hlau luam, yog siv nyob rau hauv lub newer teb ntawm syngas anaerobic fermentation, uas tsis tau teev nyob rau hauv no:

Cov txheej txheem fermentation txuas ntxiv no tseem muaj ntau yam los kawm. Piv txwv li, tam sim no tsis tu ncua anaerobic fermentation system, yuav ua li cas circulate, yuav ua li cas recycle, yuav ua li cas los txhim kho cov yield, thiab lwm yam, yuav kawm tau thiab kawm nyob rau hauv ib tug sib sib zog nqus theem. Txawm li cas los xij, raws li qhov no txuas ntxiv fermentation system siv rau npias poov xab fermentation, lawv ua tsis tiav. Yog vim li cas tej zaum qhov tawm los, tsw, thiab lwm yam tsis zoo tswj. Ntau tus neeg nyob hauv Suav teb kuj tau siv hom fermentation txuas ntxiv no rau lwm cov khoom, tab sis lawv tsis tau txais cov ntsiab lus thiab qhov pib ua tsis tiav. Yog li ntawd, ntawm no kuj yog ib qho kev ceeb toom rau dhau fermentation masters.

Cov thev naus laus zis thiab kev ua haujlwm tshwj xeeb ntawm cov txheej txheem npias fermentation yuav tsis tham ntawm no. Yog tias tsim nyog, peb yuav sib tham nyias.

Kev kho cov khib nyiab npias poov xab

3.1. Cov txheej txheem kev kho mob ntawm pov tseg npias poov xab

Spent Brewer's Poov yog qhov thib ob ntau tshaj los ntawm cov khoom lag luam breweries. Qhov laj thawj tseem ceeb yog tias cov poov xab ua thaum npias fermentation yog kwv yees li 4 mus rau 5 npaug ntawm cov poov xab ntxiv thaum pib ntawm fermentation. Qhov no txhais tau hais tias rau txhua kilogram ntawm poov xab siv los pib fermentation, ntxiv 4 mus rau 5 kilograms ntawm poov xab yog tsim. Txawm hais tias cov poov xab no tuaj yeem rov ua dua tshiab, cov sij hawm tsawg tsawg, yog li lawv hu ua cov poov xab pov tseg.

Hais txog kev hais lus, txoj kev yooj yim rau kev ua npias poov xab yog ua ntej ua ntej kev kho mob xws li ntxuav thiab debittering, ces nqa tawm phab ntsa crushing, thiab tom qab ntawd ntxiv cov txheej txheem kom tau cov poov xab hmoov los yog poov xab extract. Rau cov poov xab extract ua technology, thov mus saib peb lwm tsab xov xwm ntawm poov xab extract technology. Ntawm no yog cov lus piav qhia luv luv ntawm cov txheej txheem los ntawm npias poov xab mus rau poov xab extract. Cov txheej txheem suav nrog:

Poov xab fermentation - poov xab decomposition - centrifugation - evaporation thiab concentration - ziab

Cov khoom kawg uas tau txais los ntawm cov txheej txheem no yooj yim npias poov xab kho yog tsuas yog siv nyob rau hauv lub teb ntawm tsiaj pub, tab sis yuav siv tsis tau nyob rau hauv cov zaub mov thiab tshuaj pleev ib ce. Nws tuaj yeem siv tau los ua qhov nruab nrab ntxiv rau hauv thaj chaw ntawm kev lom neeg fermentation, uas tsis txaus siab. Qhov no txawv heev ntawm cov poov xab extract uas ua los ntawm cov neeg ua mov ci poov xab siv cov khoom qab zib. Tau kawg, ntawm qhov chaw, nws yog tus nqi sib txawv, tab sis qhov tseeb, peb yuav tsum nthuav peb txoj kev xav, tshawb nrhiav qee qhov laj thawj rau qhov sib txawv, thiab nce nqi lag luam ntawm npias poov xab.

3.2. Yog vim li cas rau qhov tsis zoo ntawm npias poov xab extract

Lub extract ntawm npias pov tseg poov xab muaj zog iab saj. Raws li qib iab ntawm npias nruab nrab ntawm 5 thiab 120, tus nqi iab EBU ntawm ntau cov hmoov qhuav qhuav tau kuaj yog ntau dua 8, ntau dua ntau dua 30, thiab txawm tias nrog qee qhov tsis zoo coke. Pasty saj. Qhov zoo ntawm npias poov xab extract yog me ntsis inferior, thiab yog vim li cas tej zaum raws li nram no.

a: Npias pov tseg cov poov xab, cov no yog cov tshuaj iab uas tsim nyob rau hauv hops, uas yog iso-alpha acids (xws li humulone thiab isohumulone), tannins, thiab lwm yam., uas yuav adsorbed rau cov poov xab cell phab ntsa thaum lub sij hawm fermentation txheej txheem; ·

b: Cov poov xab tshiab tawm ntawm lub brewery muaj qhov sib txawv ntawm cov ciaj sia taus nyob ntawm nws qhov chaw thiab kev ncig, xws li 30% mus rau 90%, thiab qhov zoo sib txawv;

c: Nyob rau hauv cov txheej txheem sau cov poov xab pov tseg hauv breweries, cov txheej txheem sib txawv yuav ua rau cov poov xab nws tus kheej ua rau ntau qhov sib txawv thiab ua rau muaj kev sib txawv ntawm cov pa phem; ·

d: Muaj ntau txoj hauv kev los cuam tshuam cov poov xab ntawm phab ntsa raws li qhia hauv daim duab hauv qab no, suav nrog cov txheej txheem enzymatic, ultrasound, cov txheej txheem tshuaj, thiab lwm yam, txhua qhov yuav muaj qhov sib txawv ntawm qhov kawg tshwm sim.

3.3. Cov lus qhia txog kev txhim kho qhov zoo ntawm npias poov xab extract

Cov zis ntawm siv npias poov xab yog loj, thiab muaj ntau chav rau kev txhim kho tus nqi. Txhawm rau txhim kho qhov zoo ntawm cov khoom pov tseg cov khoom lag luam, ntau lub tuam txhab tau siv zog ntau hauv cov cheeb tsam no, tshwj xeeb tshaj yog qee lub npe nrov thoob ntiaj teb npias brewers. Piv txwv li, Anheuser-Busch InBev tau tshaj tawm txoj haujlwm ua lub neej los daws qhov teeb meem no; xws li Fabkis yeasty start-up tuam txhab tau siv ib tug tshwj xeeb kev innovation kom tshem tawm iab; Piv txwv li, Nyiv lub Kirin Npias, twb tau muaj ib co patented technologies rau tshem tawm iab ntawm npias poov xab.

Qhov saum toj no tag nrho ua pov thawj tias kev siv pov tseg npias poov xab ua cov khoom lag luam high-end poov xab extract tau raug pom thoob ntiaj teb. Peb xa mus rau ib co classic txawv teb chaws npias brewing phau ntawv, nrog rau cov fermentation thiab ntau lawm technology ntawm poov xab extract, thiab tau kawg cov kev tshawb fawb thoob ntiaj teb tsis ntev los no tau tshwm sim ntawm cov txheej txheem ntawm pov tseg npias poov xab extract. Kev xa mus rau cov no tsis muaj dab tsi ntau dua li nrhiav cov laj thawj thiab cov txheej txheem kev ua tiav. Los ntawm lub koom haum yooj yim, cov hauv qab no yog peb cov lus qhia dav dav rau kev txhim kho qhov zoo ntawm cov poov xab extract, rau kev siv xwb.

Nws yog qhov zoo dua los siv cov poov xab tshiab dua li cov poov xab qhuav qhuav; ·

Txawm hais tias cov txiaj ntsig tau tshwm sim hauv cov khoom lag luam poov xab, kuj hais lus, cov txheej txheem pretreatment ntawm cov poov xab pov tseg tseem ceeb dua;

Lub tswv yim ntawm kev ua kom tag nrho cov khoom rau hauv high-end extracts tej zaum yuav tsis yog qhov tseeb, thiab peb yuav tsum xav txog kev hloov pauv los ntawm qhov chaw ntawm npias poov xab;

Txoj kev cuam tshuam ntawm phab ntsa ntawm tes tom qab yuav muaj ntau yam kev hloov pauv, ua rau cov txiaj ntsig sib txawv, tab sis nws kuj yog cov kev taw qhia ntawm kev tshawb fawb feem ntau. Kev nkag siab ntau ntxiv cov ntaub ntawv txawv teb chaws yuav pab xaiv txoj kev tsim khoom tsim nyog tshaj plaws;

Thov xa mus rau cov lus ceeb toom saum toj no rau cov txheej txheem tsim khoom thiab kev ua haujlwm ntawm tus neeg ua mov ci poov xab los pab tswj qhov zoo ntawm npias poov xab extract.

Txawm hais tias, los ntawm peb qhov kev xav, peb ntseeg tias qhov no tuaj yeem txhim kho tus qauv tsim thiab cov khoom zoo ntawm cov khoom lag luam npias pov tseg cov khoom lag luam, ua ntej siv, peb kuj pom zoo tias qee lub tuam txhab thiab cov chaw tshawb fawb tuaj yeem ua tau zoo ib yam li kev tsim khoom. Nws yog qhov zoo tshaj plaws los tshawb nrhiav me me thiab kev sim ua ntej ua ntej mus rau kev tsim khoom lag luam.