Nhm 2

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Ni dung chnh:

1 ng dng enzyme trong sn xut

bt git v cht ty ra sinh hc.

2 ng dng enzyme trong cng

ngh sn xut xng sinh hc.

3 ng dng enzyme trong cng

nghip vi si.

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hcTm quan trng ca enzym trong cht ty ra.

- Gip tng hiu qu ca vic git ty.

- Gim thi gian git nh kh nng phn hy vt bn nhanhchng.

- Gim nng lng tiu th do c th git nhit thp.

- Gim lng nc tiu th do hiu qu git ra cao.

- Gim nh hng i vi mi trng v enzyme l cht cth phn hy sinh hc.

- Lm mi vi vc nh tc dng ca cellulase

- Tng trng v chng cht bn bm tr li.4

c im ca enzyme a vocht ty ra:

- C tnh c hiu rng ri.

- Gi c hot tnh trongkhong PH t 7- 11, nhit t 4 600 C.

- Phi hot ng c trong mitrng c cc thnh phn khcca cht ty ra c khi s dngv bo qun.

ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

C ch:

Phn gii cc cht bn thnh cc on nh c khi lng phn t thp hn, d ha tan hn

V d: Protease, Amilase, Lipase c th thy phn cc vt bn protein, tinh bt, du m nhit di 400 C ngay c khi trng thi rn.

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

1/ ProteaseCng dng ca protease l phn

hy vt bn dng protein trnvi.

Tn thng mi: Savinase vRelase. Protease c tc dng tyra cc vt bn nh mu, lng trng, sa, nc rau, u, ncxt thc n,..... v ch c hottnh trong dung dch git.

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

2/ LipaseLipase c tc dng thy phn

cc este bo. Lipolase lenzyme chnh ca lipase. Hottnh ca lipase c p dng loi b cc vt bn dng du.

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

3/ CellulaseCng dng ch yu ca

cellulase l chng qun vi, lmmm vi, lm sng mu, chngbm tr li v lm sch.Cellulase l enzyme c ngungc t thin nhin v c tc dngthy phn cellulose thnhglucose.

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

4/ Amylase

Amylase c tc dng phnhy tinh bt trn si vi,tn thng mi ca n lTermamyl. Amylase c thty cc vt bn thc nnh khoai ty v nc stc chua...

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5/ Loi enzym mi: RedoxEnzyme mi ny c tc dng chng

phai mu, ty sch vt bn, loi bton b vi khun trn vi v trongdung dch.

ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

Nhc im.- Sn phm c cht lng nhng gi thnh cn rt cao.- Mt s ngi b d ng vi cht ty ra s khng trnhc vic b nh hng.- Vic bo qun i hi kht khe hn so vi cht ty ra hahc.

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ng dng enzyme trong sn xut bt gitv cht ty ra sinh hc

Cc hng pht trin:- Gim gi thnh sn phm.- To cc enzyme khng hoc t gy d ng.- M rng sn xut cc Hyrolase mi c kh nng phn giinhiu loi cht bn khc nhau nh cc enzyme phn gii xylan,pectin v dextran loi b cc vt bn c bit.- Nghin cu v s dng cc Oxydoreductase.- a vo cc cht ty trong nh nh: nc ra bt, ty ra nhv sinh...

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Xng sinh hc1. nh ngha :

Xng sinh hc (Biogasoline) l mt loi nhin liu lng,trong c s dng ethanol nh l mt loi ph gianhin liu pha trn vo xng thay ph gia ch. Ethanolc ch bin thng qua qu trnh ln men cc sn phmhu c nh tinh bt, cellulose, lignocellulose. Ethanolc pha ch vi t l thch hp vi xng to thnhxng sinh hc c th thay th hon ton cho loi xng sdng ph gia ch truyn thng

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2. Cc quy trnh ng dng enzyme trong ch bin xng sinhhc

Enzyme thng c ng dng trong sn xut xng ttinh bt v t cht x.

Vai tr ca enzyme trong sn xut xng sinh hc Enzyme amylase: -amylase hot ng mnh trong giai on u

ca qu trnh ng ha.

Enzyme glucoamylase: phn ct lin kt -1,4 glucose trong ccpolysaccharide, ngoi ra cn c th ct lin kt -1,6 glucoside.

Enzyme cellulase: phn hy cellulose, hemicellulose, pectin

Enzyme protease: khi x l nguyn liu bng protease th trongdch ng ha s c nhiu amino acid. M amino acid rt cnthit cho s pht trin ca nm men

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Quy trnh sn xut xng t tinh bt

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Quy trnh sn xut xng t cht xCht x (rm r, tru, g)

Loi b lignin

Cellulose v hemicellulose

Ln men vi enzyme cellulase bin thnh ng

Chng ct

ethanol

Sunfuric acid m c

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u v nhc im ca xng sinhhc:

1. u im

Tr s Octan cao :lm tng hiu sut chy, gim hintng kch n gip ng c vn hnh m hn v tng tuith ng c.

Gim pht thi kh CO v Hydro carbon: t hn 20% sovi xng A92 v A95.

Thn thin vi mi trng v kh nng ti sinh.

Gim l thuc vo nhin liu ha thch.

Pht trin kinh t x hi a phng.

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u v nhc im ca xng sinhhc:2. Nhc im:

Tng pht thi kh CO2 v NOx .

Gi thnh cao.

Tng chi ph nhin liu v ci tin ng c.

Cnh tranh gia an ninh lng thc v an ninh nnglng.

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ng dng enzyme trong cng nghip vi si Ngnh dt may xut khu

nc ta l mt trong nhngngnh ch lc.

nng cao sc cnh tranh,cht lng sn phm v hiuqu kinh t chng ta cn cchin lc ch ng trongkhu nguyn liu u vo (visi).

ng dng enzyme trong cngnghip vi si l im mu chttrong chin lc . 22

Yu cu ca si vi trongcng nghip dt

- Mm

- Trng

- Khng cn tp cht

ng dng enzyme trong cng nghip vi si

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Mc ch ca ng dng enzyme

Ty h si bng si t tm v cc loi si khc c hbng tinh bt gelatin, hoc bng cc cht kt dnh khc

ng dng enzyme trong cng nghip vi si

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Lm trng si, loi bperoxit tha trc khinhum mu

ng dng enzyme trong cng nghip vi si

Mc ch ca ng dng enzyme

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Mc ch ca ng dng enzyme

Phn gii cc tp cht c trong lp bao ngoi s bng t v ccsi t nhin khc to thnh cc sn phm phn t thp d hatan to iu kin thun li cho vic tch si khi nguyn liu

ng dng enzyme trong cng nghip vi si

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Cc loi enzyme thng s dng:

- Amylase/ Cellulase

- Pectinase

- Gluco oxidase

- Xylanolytic / Catalase

ng dng enzyme trong cng nghip vi si

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Amylase v Pectinase cs dng trong giai on tyh.

Ngi ta thng s dnglng ch phm amylasekhong 0,3-0,6 g/l dung dchv thi gian x l 5-15 pht nhit 900C.

ng dng enzyme trong cng nghip vi si

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Gluco oxydase c s dngtrong cng on ty trng.

Gip cho si vi t ch strng 15-20.

Theo cch truyn thng s sdng nhiu cht kim v lngnc ln.

ng dng enzyme trong cng nghip vi si

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Xylanolytic v Catalase- Xylanolytic c s dng ph mu trn bng, sdng t soda v mui trongqu trnh.

- Catalase cng c s dngtrong ty mu, ph hy hydroperoxit cn d, lm cho cth s dng li dch ty chogiai on khc

ng dng enzyme trong cng nghip vi si

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Li ch khc

-Lm gim nhim mi trng.- Khng lm nh hng ti cu trc v bn ca

si cellulose.- Gim tiu th nng lng v gim lng nc s

dng.

- Enzyme c th s dng x l nc thi cc nh my sn xut s vi. Nc thi cc nh my ny c cha tinh bt, poly v c bit l cc cht mu rt kh loi b khi x l thng thng

ng dng enzyme trong cng nghip vi si

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Ni dung chnh:Slide Number 14