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KHOA CNG NGH
B MN K THUT C KH
CNG NGH DIC v KH NNG
NG DNGTRONG CNG NGHIP CH BIN
14/12/2013
Chuyn lp Cao hc
Nguyn Vn Cng
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NI DUNG BO CO
1. Gii thiu v cng ngh DIC
2. Kh nng ng dng ca cng ngh DICtrong mt s lnh vc
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1. CNG NGH DIC ?
Dtente (x hi / gim)Instantane (tc thi)
Contrle (gim st, iu khin)
DIC
Cng ngh gim p sut tc thi DIC c xem l mt cuc cchmng cng ngh mi (Innovation) trong lnh vc qu trnh &thit b ch bin cng nng nghip.
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X l nhit v p sut cao -Traitement Haute tempratureHaute Pression - courte dure
Gim p sut v chn khng mt cch tc thi - Chuteabrupte de Pression vers le vide. C s t bay hi nc tc thi - Autovaporisation instantane To ra s kt cu mi ca vt liu, ko theo mt gin n vt liu c thiu khin c - Texturation des polymres, impliquant une expansioncontrle;
Lm lnh vt liu mt cch nhanh chng tc thi - Refroidissementinstantan.
Cng ngh gim p sut tc thi l g?Comment dfinir la technologie de
Dtente Instantane Contrle - DIC?
Nguyn l chung (Principe):
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Thit b DIC phng th nghimEquipment de laboratoire
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Cu to
12-a
2-b
3
4
6
5
Bung x l vt liu T & P cao
Bung chn khng(~5 kPa / 50 mbar)
Van x p sut tc thi
(P/t > 5.105 Pa.s-1)
Bm chn khng
Ni hi
My nn kh
B phn thu ncngng + Sn phm
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2. Cng ngh gim p tc thi - DIC
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Qu trnh DIC xy ra nh th no?Comment intervient la DIC?
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4 giai on ca qu trnh DICLes 4 tapes du traitement par DIC
1 713
26
33
46
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65
72
85
91
98
104
Time (s)
20 40 60 80
0
ProductTemperature
C
2040
60
80
100
120
140
4- To li p sut kh quyn trong bung x l - Remise la pression atmosphrique
1- Thit lp chn khng ban u - Mise sous vide initial
2- Tng p sut n p sut cn x l v gi trong sut thi gian x lMonte la pression de traitement et maintien pendant le temps de traitement
3- Gim p sut tc thi v p sut chn khng - Dtente abrupte vers le vide
AbsoluteSteamPressure
105
Pa
3
0
4
1
5
2
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Cng ngh DIC: pht minh mi trong qu trnh cng nng nghipDIC TECHNOLOGY: New Innovative AGRO-INDUSTRAL Processes
1. Sy - Drying:1. Tri cy v rau qu bng qu trnh sy phng - Fruits and vegetables by using swell-
drying process;2. Fruits and vegetables, pharmaceutical and herbs by using DSPD process Dehydration by
successive pressure-drops;3. Powders by using Three stage spray-drying (3S-SD);4. Powders by usingVacuum Controlled Spray-Drying.
2. Tit trng - Sterilization:1. Case of powders and dried plants;2. Fresh cut fruits and vegetables;
3. Trch ly - Extraction:1. Autovaporization of essential oils.
2. Improvement of availability of bioactive molecules
1. Direct Cosmetic applications using natural vegetables and plants;2. Production of high bioactive availability powders (cranberry, blueberry, medicinal herbs,
);
3. Isolation of bioactive natural healthy molecules (cosmetic, pharmaceutical and foodapplications);4. Extraction by pressing (bi screw extruder) vegetal and fish oil.
3. Elimination des solvants et molcules volatiles.
4. Post-Harvesting and swell-Steaming of cereals (rice) (Dr. DTCng)5. Chuyn i ester ch to du sinh hc Transesterification in-situ.6. X l cc loi ht - Treatment of beans (Soya beans, Coffee beans, cacao beans, )
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1. Sy - Drying1. Fruits and vegetables by using swell-drying process;2. Fruits and vegetables, pharmaceutical and herbs by using
DSPD process Dehydration by Successive Pressure-Drops;3. Powders by using Three stage spray-drying (3S-SD);4. Powders by usingVacuum Controlled Spray-Drying.
Cng ngh DIC: pht minh mi trong qu trnh cng nng nghipDIC TECHNOLOGY: New Innovative AGRO-INDUSTRAL Processes
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Qu trnh sy phng vi DICSWELL-DRYING par DIC: Comment procder?
0
5
10
15
20
25
30
100 200 300 400 500 600 min
Water content(% WB)
Classical dryingPost-DIC
drying
35
40
45
DIC
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0
Thi gian sy giai on 2Second stage-drying time (untilWB= 5%)
Chuibananas
Ki-wikiwis
ToApples
Khng c tc ng DICWithout DIC (min)
1020 390 610
Sau khi c tc ng DICAfter DIC texturing (min) 320 140 195
Sy phng - Swell Drying
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Sy v bin i cu trc sn phm bi DIC
SECHAGE / TEXTURATION DICSWELL-DRYING
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Sy v bin i cu trc bi DICSECHAGE / TEXTURATION DIC
SWELL-DRYING
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Swell dried Kiwi by DIC texturing
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2. Trch ly - Extraction1. Autovaporization of essential oils.2. Improvement of availability of bioactive
molecules1. Direct Cosmetic applications using natural vegetables and plants
2. Production of high bioactive availability powders (cranberry,blueberry, medicinal herbs, )
3. Isolation of bioactive natural healthy molecules (cosmetic,pharmaceutical and food applications)
4. Extraction by pressing (bi screw extruder) vegetal and fish oil.
3. REMOVING solvents and volatile molecules
Cng ngh DIC: pht minh mi trong qu trnh cng nng nghipDIC TECHNOLOGY: New Innovative AGRO-INDUSTRAL Processes
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14/12/2013
Trch ly bng cc chu k tc ng DIC lin tcExtraction par cycles successifs de DIC
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Temprature initiale Ti50C 160C
Pression initiale Pi0.05 MPa 0.6 MPa
Niveau du vide P
v
1 kPa 10 kPa
Pression final Pff (Pi, Pv,v/V) ~13 kPa
Temprature dquilibre Te15C 45C
Humidit initiale W 10% 90% WB
Temps de traitement thermiquet 30 s 20 minSpeed of pressure drop P/ t 0.04 MPa/s 2.5 MPa/s
Nombre de cycles N 1 12
DIC : Paramtres opratoires
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Huile essentielle de Cananga
Matire premire
Hoa mc lan ty, Canangaodorata forma macrophylla Origine indonsienne Fleurs sches 10,2% ms
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La technologie DICquipement du laboratoire
Cellule de traitement (1)
Haute temprature /Hautepression
Systme de vide
pompe (2) / cuve (3)
Vanne de dtente (V2)
Systme de condensation (F3)
Systme de chauffage (F1, F2)
vapeur sature ou micro-ondes
(1)
Rservoir vide
(3)
(2)
V2
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Hydrodistillation
Extraction dhuiles essentiellesdylang-ylang
DIC
Rendement et cintique en huilesessentielles de Cananga
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Cintique et Transfert
pe
0
t
RT
LMp
RT
LMp
t
Tcccdiv
www
eee
pwpeps wes
Transfert par diffusion de Fick
)()(
s
e
effse
s
e padrgDvvp
e
eeffee pgradDvp e
Ts
Tcur
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Cintique et Transfert
pe
0
t
RT
LMp
RT
LMp
t
Tcccdiv
www
eee
pwpeps wes
Transfert par diffusion de Fick
)()(
s
e
effse
s
e padrgDvvp
e
eeffee pgradDvp e
Ts
Tcur
pe 23
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Cintique et Transfert
pe
0
t
RT
LMp
RT
LMp
t
Tcccdiv
www
eee
pwpeps wes
Transfert par diffusion de Fick
)()(
s
e
effse
s
e padrgDvvp
e
eeffee pgradDvp e
Ts
Tcur
pe24
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pe
0
t
RT
LMp
RT
LMp
t
Tcccdiv
www
eee
pwpeps wes
)()(
s
e
effse
s
e padrgDvvp
e
eeffee pgradDvp e
Ts
Tcur
Coeur de plus en plus humide
pe
Tpe
dPagrKVVm
smm
Cintique et Transfert
Transfert par diffusion de Fick
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TPe
dPagrKVVm
smm
Transfert par diffusion de DARCYCintique et Transfert
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Extraction des huiles essentielles par DIC
Cots nergtiques
Mthode kWh/kg MS kWh/kg HETemps
dextraction
Entrainement lavapeur
1 25 50 1250 1 24 h
CO2 Supercritique 2 100 1 8 h
Autovaporisation DIC 0,5 15 1 4 min
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Micro-mechanical effect of DIC on the structuralchanges Scanning by Electronic Microscopy SEM
Raw material
DIC
50 mm 50 m
DIC alveolated material
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Avantages de la DIC
Qualit Absence de solvant dans les extraits.
Absence de dgradation thermique.
Impact Environnemental Valorisation de la matire rsiduelle.
Rduction de la consommation deau rsiduelle.
Cot Rduction de la consommation dnergie et augmentationnotable de la valeur conomique de lextrait.
Extraction des volatiles / huiles essentielles
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31Prof. Karim ALLAF,Univ. La Rochelle /100
Lexpansion par DIC du produit Induit :
Meilleur accs du solvant aux molcules extraire Meilleurs rendements en lments actifs
Un temps dextraction plus rduit,
Une quantit de solvant et dnergie plus faible
Extraction des non-volatiles / principes actifs
Avantages de la DIC
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Cintique dextraction par solvant EAU:ETHANOL
de molcules non volatiles (Principes actifs)
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Cintique dextraction par solvantde molcules non-volatiles
Conditions DIC: 0,6 MPa ; 22 (g/100g MS) ; 135 s
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Huiles essentiellesElimination de
molcules lgres:Lige (TCA),
dsaromatisation
Nettoyage,Dcoupage,
Prof. Karim ALLAF,Univ. La Rochelle /100
Extraction etExtraction et sparationsparation par DICpar DIC
Matire1re
DICIntensification de lExtraction par
eau:thanol, (hexane, CO2 supercritique)
DIC
Condensationfractionnesous vide
Extraitsolide
Elimination demolcules volatiles
Extrait Solide:Poudre
granule expans
Solidersiduelexpans
Poudre :granule expans,molcules activesplus disponibles
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Flavonodesde la myrte algrienne
Extraction par solvant des molcules actives :
Produit brut et produit trait par DIC
T h l f I C ll d P D
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Creation of innovative Companies:ABCARABCAR--DIC Process (France);DIC Process (France);
Legni & Segni (Italy)Legni & Segni (Italy)
Technology of Instant Controlled Pressure-D
Universal Foods (California - USA): Vegetables (1993)Coralma (France): Tobacco (1996-2001)BONTOUT (France): Sterilization Mushrooms (2001)ATEX (France): Sterilization Mushrooms (2001)
Unilever (Holland): Tea (2002)Protekum (Germany): Flavonoids (2002)AZTI (Spain): Fish oil (2004)Contento trade (Italy) Mineral productsSETALG (France): Sterilization/Drying seaweeds (2005)TOURNAY (France): Drying /Extraction flavonoids (2006)UBAYA (Indonesia): Extraction & Medicines (2007)ABCAR-MEXICO (Mexico): Fruits and vegetables (2009)ABCAR-ASIA (Malaysia) Fruits and vegetables (2009) ABCAR-ABCAR-DIC USA (United Sates) Fruits and vegetables (2010)
Various Industrial realizations and Productions:
DIC = 22 years of research and 26 Ph-D works
ABCARABCAR--ASIA (Malaysia)ASIA (Malaysia)
ABCARABCAR--MexicoMexico
FLORINNOV (France)FLORINNOV (France)
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Laboratory scale DIC Machines:DIC-LAB-1
Industrial DIC equipment:1. DIC-TUBular-15
2. DIC-LINear-1and Manual DIC LINear - 2
3. DIC-SELF-LUBricating4. DIC-DIAGonal5. STATIC-DIC
6. DYNAMIC-DIC
DIC reactors
Prof. Karim ALLAF,Univ. La Rochelle /100
DIC TUB l 15
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Feeder tankSteam storage ta
Rotary valve of
Dynamic cylinder
Treatment tray
Skeleton
DIC TUBular 15Self-blocking reactor
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39Alicante (Espagne)
Ali t (E )
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Alicante (Espagne)
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2. DIC-LINear-1
1. On trays machine (0,6m),
2. Ideal for treatment of in pieces fruits and vegetables3. Ideal for drying, sterilization, etc.4. Easy to insert it in a classic treatment line.
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2.2. DICDIC--LINearLINear--11
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2. Manual-DIC-LINear-2
1. On trays machine (2.5 m),
2. Ideal for treatment of in pieces fruits and vegetables3. Ideal for drying, sterilization, etc.4. Easy to insert it in a classic treatment line.5. Comfortable maintenance
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2. Manual-DIC-LINear-2SelfSelf blocking systemblocking system
Manual functioningManual functioning
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NUTRIMEZA S.A. de C.V.
Mexique - Amrique
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4. DIC-DIAGonal
50 liters industrial machine; Ideal for treatment of specific herbs (tobacco, tea, etc.).
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4. DIC-DIAGonal
Prof. Karim ALLAF,Univ. La Rochelle /100
STATIC-DIC: Universal Foods USA/
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Admission LoadingTreatment
DIC
DrainingThroughput
Diameter of 600 mm ~250 kg/h
Diameter of 1500 mm ~1500 kg/h
STATIC DIC: Universal Foods USA/
Sensient France
Carousel, flat-bed, NSISystem,
2 versions: 0,5 m - 2m,
Adapted to be installed inan on line hot-air classic
drying.
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STATIC-DIC: Universal Foods USA/
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STATIC DIC: Universal Foods USA/
Sensient France
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6. DYNAMIC-DIC Reactor
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C2
V3
V1
Cv3
C3
A
B
V2
Absence of complex mechanical motions
+Weak maintenance
+Weak wear
+Weak footprint .
6 C C eacto
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ABCAR-DIC PROCESS La Rochelle
France - Europe