Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels -...
-
Upload
ifad-international-fund-for-agricultural-development -
Category
Education
-
view
11.661 -
download
4
Transcript of Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels -...
![Page 1: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/1.jpg)
![Page 2: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/2.jpg)
Overview of potential of cassava as a food cropAnd as a feedstock for biofuels
Klanarong Sriroth([email protected])
Cassava and Starch Technology Rerearch Unit (CSTRU)Cassava and Starch Technology Rerearch Unit (CSTRU)Kasetsart University, ThailandKasetsart University, Thailand
![Page 3: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/3.jpg)
Cassava as a biofuel/bioenergy cropCassava as a biofuel/bioenergy crop
![Page 4: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/4.jpg)
Cassava: The best alternativeCassava: The best alternative
Cassava as a biofuel/bioenergy crop
![Page 5: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/5.jpg)
Cassava as a biofuel/bioenergy crop
World Productions of cassava (2009)World Productions of cassava (2009)Production (1,000 t)Production (1,000 t) Area (1,000 ha)Area (1,000 ha) Yield (t/ha)Yield (t/ha)
WorldWorld-Africa-Africa-LAC-LAC-Asia-Asia--CambodiaCambodia-China-China-India-India-Indonesia-Indonesia-Laos-Laos-Malaysia-Malaysia-Myanmar-Myanmar-Philippines-Philippines-Sri Lanka-Sri Lanka-Thailand-Thailand-Timor-Leste-Timor-Leste-Vietnam-Vietnam
240,989240,989124,615 124,615 (51.70%)(51.70%)
34,677 34,677 (14.38%)(14.38%)81,473 81,473 (33.80%)(33.80%)
3,4973,4974,5114,5119,6239,623
22,03922,039152152430430211211
2,0432,043277277
30,08830,0884949
8,5568,556
19,05819,05812,33212,332
2,6672,6674,0364,036
157157270270280280
1,1751,175101041411616
2152152323
1,3261,3261212
508508
12.6412.6410.1010.1013.0013.0020.1820.1822.2722.2716.6716.6734.3634.3618.7418.7414.7014.7010.4810.4812.7812.78
9.469.4611.6411.6422.6722.67
4.124.1216.8116.81
Source : FAOSTAT, Sep 2010.
![Page 6: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/6.jpg)
Cassava as a biofuel/bioenergy crop
Genotype Environment Management
![Page 7: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/7.jpg)
Cassava as a biofuel/bioenergy crop
Yield of cassava : increase 1 ton/ha (per year)
Productions of cassava in 2009Yield = 12.64 tons/haArea = 19,058,000 ha
![Page 8: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/8.jpg)
Cassava as a biofuel/bioenergy crop
Productions increase from 2009Productions increase from 2009= 259,951,120= 259,951,120 - - 240,989,000 240,989,000== 18,962,120 18,962,120 tons tons
Productions of cassava in 2010Productions of cassava in 2010
= 13.64 * 19,058,000= 13.64 * 19,058,000= 259,951,120 tons = 259,951,120 tons
![Page 9: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/9.jpg)
Cassava as a biofuel/bioenergy crop
Advantage as Food CropsAdvantage as Food Crops
![Page 10: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/10.jpg)
““Growth tolerance to poor Growth tolerance to poor environmental condition ”environmental condition ”
Advantage as Food Crops
![Page 11: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/11.jpg)
Advantage as Food Crops
Root yield (t/ha) of cassava roots of different varieties
Variety Harvest time (months)
10 months 12 months
Without water stresss
With water stress
Without water stress
With water stress
Rayong 1 24.6 + 1.8 14.9+ 2.7 29.8+ 5.8 24.8+ 2.5
Rayong 5 35.2 + 4.5 17.9 + 1.1 41.8 + 5.1 26.9 + 4.9
Rayong 60 26.8 + 3.6 18.7 + 3.9 34.7 + 7.8 30.6 + 2.9
Rayong 90 26.6 + 1.8 16.7 + 4.4 34.9 + 3.4 26.2 + 7.8
KU50 27.8 + 2.9 18.2 + 0.5 34.9 + 6.3 28.8 + 4.4
CMR 33-57-81 41.9 + 3.9 21.3 + 8.1 51.1 + 7.6 28.8 + 7.2Source : Santisopasri et al., 2001. Industrial crop and Products., 13, p.115-129.
![Page 12: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/12.jpg)
““All year round planting/harvesting”All year round planting/harvesting”
Advantage as Food Crops
![Page 13: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/13.jpg)
“ “ Possibility to Possibility to increase root productivity ”increase root productivity ”
Improved varieties + Cost-effective cultivation practices = High productivity
Advantage as Food Crops
![Page 14: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/14.jpg)
““Possibility to increasePossibility to increaseHigh root productivity”High root productivity”
Advantage as Food Crops
![Page 15: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/15.jpg)
High Root ProductivityHigh Root ProductivityThai average = 20 T/ha
World = 11 T/haReported ~ 90 T/ha
Advantage as Food Crops
![Page 16: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/16.jpg)
“Continuous development of high yield-improved varieties”
Advantage as Food Crops
![Page 17: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/17.jpg)
Rayong5Rayong5
Rayong90Rayong90
Advantage as Food Crops
![Page 18: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/18.jpg)
KU50KU50
Huaybong 60Huaybong 60
Advantage as Food Crops
![Page 19: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/19.jpg)
““Less input in planting Less input in planting and harvestingand harvesting””
Advantage as Food Crops
![Page 20: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/20.jpg)
HarvestingHarvesting
1 man day = 8 hours = 1.20 ton
Advantage as Food Crops
![Page 21: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/21.jpg)
Harvesting Index Harvesting Index = Root yield= Root yield
(HI) (HI) Biomass Biomass
= 50% = 50%
HarvestingHarvesting
Advantage as Food Crops
![Page 22: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/22.jpg)
““High-quantity/quality High-quantity/quality
carbohydrate source”carbohydrate source”
Advantage as Food Crops
![Page 23: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/23.jpg)
Advantage as Food Crops
Cultivars Protein (% w/w)
Lipid (% w/w)
Ash (% w/w)
Phosphorus (mg/kg)
Rayong 1 0.17 + 0.04 nil 0.10 + 0.02 2.45 + 0.08
Rayong 60 0.15 + 0.02 0.01 0.15 + 0.04 2.20 + 0.14
Rayong 90 0.28 + 0.06 nil 0.08 + 0.01 2.04 + 0.05
KU 50 0.30 + 0.04 0.01 0.15 + 0.02 2.04 + 0.05
Proximate analysis of Cassava starches
Source : Sriroth et al., 1999. Carbohydrate Plymer. 38, p.161-170.
![Page 24: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/24.jpg)
““Simple conversion to dried chips forSimple conversion to dried chips foreffective storage and transportation”effective storage and transportation”
Dried ChipsDried Chips
Advantage as Food Crops
![Page 25: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/25.jpg)
Cassava ChipCassava ChipCassava ChipCassava Chip
Conversion : 2.25 kg fresh roots / 1 kg chip
(25% starch content) (14% moisture content)
Advantage as Food Crops
![Page 26: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/26.jpg)
Advantage as Food Crops
![Page 27: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/27.jpg)
Advantage as Food Crops
Modification
Function
Application
Native starch
““Variation of Usage as Food”Variation of Usage as Food”
Source: CSTRU, 2009.
![Page 28: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/28.jpg)
Industrialapplications
Confectionery
Pharmaceuticals
Textil
ePaper
Nood
les
Mea
t Pro
ducts
Bakery products
SaucesCosmetics
Adhesives & corrugated board
Dairy products
Pack
agin
g
Advantage as Food Crops
![Page 29: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/29.jpg)
Cassava as a biofuel/bioenergy crop
Potential as Feedstock for Fuel
![Page 30: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/30.jpg)
Gasohol
is a blend of anhydrous ethanol ‘derived from
agricultural products’ with gasoline !
E10 E20
E85
Advantages of Cassava as Feedstock for FuelAdvantages of Cassava as Feedstock for Fuel
![Page 31: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/31.jpg)
Advantages of Cassava as Feedstock for FuelAdvantages of Cassava as Feedstock for FuelSriroth et al,. 2010. The promise of a technology revolution in cassava bioethanol From Thai practice
to the world practice , Fuel. ( Available source:http://www.elsevier.com/locate/fuel )
![Page 32: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/32.jpg)
Cassava as a biofuel/bioenergy crop
Advantage of cassava as Feedstock for Advantage of cassava as Feedstock for Ethanol fermentation by Ethanol fermentation by
Yeast FermentationYeast Fermentation
Source: Sriroth et al,. 2010. Fuel 89, p.1333-1338. www.praj.com
![Page 33: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/33.jpg)
Cassava as a biofuel/bioenergy crop
Advantage in Fermentable to Non-Fermentable Solids Ratio
(F/N ratio)Cassava Cassava
Fermentable glucose (up to 99%Fermentable glucose (up to 99%)) can be obtained from conventional can be obtained from conventional hydrolysis of cassava starchhydrolysis of cassava starch..
![Page 34: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/34.jpg)
MolassesMolasses
Case I : Brix = 85Total Sugars = 51Non-fermentable Solids = 85-51 = 34F/N ratio F/N ratio = 51/34 = 1.50 = 51/34 = 1.50
Case II : Brix = 85Total Sugars = 40Non-fermentable Solids = 85-40 = 45F/N ratio F/N ratio = 40/45 = 0.88 = 40/45 = 0.88
F/N ratioF/N ratio
![Page 35: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/35.jpg)
F/N ratio < 0.9F/N ratio < 0.9retards fermentation rate by average 15-20% retards fermentation rate by average 15-20%
F/N ratioF/N ratio
(www.praj.com)
![Page 36: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/36.jpg)
Ash content > 10% Ash content > 10% can retard the rate of fermentation can retard the rate of fermentation
by 5-10%by 5-10%
Ash content Max = 3.0%
Ash content 10-16%
Advantage of its Low Ash ContentAdvantage of its Low Ash Content
(www.praj.com)
![Page 37: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/37.jpg)
Advantage of Absence of Volatile AcidsAdvantage of Absence of Volatile Acids
> 5000 ppm reduce fermention rate by 30-40%
> 7000 ppm reduce fermention rate by 40-50%
Volatile Acids
Cassava chips : None Molasses : Acetic acid, Formic acid etc.
(www.praj.com)
![Page 38: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/38.jpg)
Advantage of no caramelizationAdvantage of no caramelization in cassavain cassava
> 0.40 OD retards fermentation rate by 20-25%> 0.40 OD retards fermentation rate by 20-25%(Measured as color in OD units (Measured as color in OD units
at 375 nm of 0.1% Solution)at 375 nm of 0.1% Solution)
(www.praj.com)
![Page 39: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/39.jpg)
Advantage in waste utilizationAdvantage in waste utilization
Solid wasteSolid waste Liquid wasteLiquid waste
![Page 40: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/40.jpg)
Stillage from cassava chips Stillage from molasses
1. COD (mg/L) 40,000-60,000 100,000-150,000
2. BOD (mg/L) 15,000-30,000 40,000-70,000
3. TKN (mg/L) 350-400 1,500-2,000
4. Total Solids (mg/L) 60,000-65,000 100,000-120,000
5. Total Suspended Solid (mg/L) 3,000-20,000 14,000-18,000
6. Total Volatile Solids (mg/L) 20,000-40,000 n.a
7. Total Dissolved Solids (mg/L) 50,000 105,000-300,000
8. pH 3.5-4.3 4.1-4.6
Sriroth et al., 2006.n.a = not applicable
Waste Management Waste Management
Stillage quality from ethanol factories in Thailand Stillage quality from ethanol factories in Thailand
![Page 41: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/41.jpg)
Cassava as a biofuel/bioenergy crop
““Advantage of Well-developed technologyAdvantage of Well-developed technologyfor ethanol production from cassava”for ethanol production from cassava”
![Page 42: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/42.jpg)
Cassava as a biofuel/bioenergy crop
Cassava Chips
Milling
-amylase glucoamylaseyeast
Distillation&Dehydration
Liquefaction SSF
Simultaneous Saccharification Simultaneous Saccharification and Fermentaion processand Fermentaion process
![Page 43: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/43.jpg)
Cassava as a biofuel/bioenergy crop
Mass Balance of Ethanol from Cassava ChipT/D = Ton/Day, TS = Total Solid ,L/D =Liter/day
Fermentation efficiency 90%, Distillation efficiency 98.5%
M illin g
M ix in g
L iq u efa c tio n
S S FF erm en ta tio n
D istilla tio n
M o lecu la r S iev eD eh y d ra tio n
F u e l E th a n o l
C a ssa v a C h ip
C O 2
T h ick S lo p
F u se l o il
S tea m
W a ter
- M o is tu r e 1 5 %- S ta r c h c o n te n t 6 5 % (w e t b a s is )
3 6 2 .1 7 T /D8 5 .0 0 % T S
1 ,7 9 4 .4 3 T /D1 7 .1 6 % T S
1 ,9 1 4 .4 3 T /D1 6 .0 8 % T S
1 ,7 9 9 .4 5 T /D7 .4 2 % (w /w ) A lc o h o l
1 2 4 .5 8 T /D9 5 % A lc o h o l
0 .5 0 T /D
1 ,4 9 6 .8 4 T /D6 .5 % T S
1 1 4 .9 8 T /D
1 1 8 .3 5 T /D o r1 5 0 ,0 0 0 L /D
1 ,2 4 8 .5 0 T /D
1 2 0 T /D
6 .2 3 T /D
1 7 7 .5 3 T /D
S p e n t w a sh r e c y c le
S p e n t w a sh r e c y c le
![Page 44: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/44.jpg)
Cassava as a biofuel/bioenergy crop
Distillation& Dehydration
Cassava Chips
Milling
Fermentation
yeastEnzymes
Simultaneous Liquefaction, Simultaneous Liquefaction, Saccharification and Saccharification and Fermentation processFermentation process
(SLSF)(SLSF)
UNCOOKED SINGLE-STEPUNCOOKED SINGLE-STEP
![Page 45: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/45.jpg)
Cassava as a biofuel/bioenergy crop
SEMs of corn starches treated with granular starch hydrolyzing enzymes (GSHE)
6 - hr incubation
12 - hr incubation
24 - hr incubation
48 - hr incubation
CassavaCassava
CornCorn
![Page 46: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/46.jpg)
Cassava as a biofuel/bioenergy crop
To increase ethanol concentration
18% (v/v) or 14.6% (w/w)
Increase the total solid/starch content (>30% Total dissolved solid)
by increasing the feedstock to water ratio
VHG (very high gravity) technology in fuel alcohol production
![Page 47: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/47.jpg)
Cassava as a biofuel/bioenergy crop
Mash viscosity reductionby enzyme cocktail
VHG technology development for cassava roots
![Page 48: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/48.jpg)
Cassava as a biofuel/bioenergy crop
Ethanol Fermentation
VHG VHG TechnologyTechnology DevelopmentDevelopment
Process waterProcess water
99 99 TonsTons
MixingMixing
(total solid = 25%)(total solid = 25%)
140 Tons140 Tons
Milling
WaterWater59 Tons59 Tons
Fresh RootFresh Root(moisture content = 60-7(moisture content = 60-7
0%)0%)100 Tons100 Tons
CassavaCassava ChipChip(moisture content = 14%)(moisture content = 14%)4141 Tons Tons
Process water saving
SunDrying
![Page 49: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/49.jpg)
Pilot scale ethanol plant at ThailandPilot scale ethanol plant at Thailand
![Page 50: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/50.jpg)
Pilot scale ethanol plant at ThailandPilot scale ethanol plant at Thailand
![Page 51: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/51.jpg)
Filtration Screw Press
Pilot scale ethanol plant at ThailandPilot scale ethanol plant at Thailand
![Page 52: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/52.jpg)
Solar CollectorSolar Collector
Pilot scale ethanol plant at ThailandPilot scale ethanol plant at Thailand
![Page 53: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/53.jpg)
Technology transfer for ethanol production
![Page 54: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/54.jpg)
Distillation Pilot PlantDistillation Pilot Plant
![Page 55: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/55.jpg)
On going development
Fermenter
Molecular sieve
Ethanol90-95%
Cassava Chip / Root
VHG-SLSF process
![Page 56: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/56.jpg)
Cassava as a biofuel/bioenergy crop
ConclusionsConclusions
CassavaCassava : : The WINNER The WINNER for an alternative for an alternative food and biofuelfood and biofuel
Food Food - Improved yield with variation productions- Improved yield with variation productions
Fuel Fuel – Reduction of energy for – Reduction of energy for
ethanol production ethanol production
(SLSF / VHG) (SLSF / VHG)
![Page 57: Session 1.3 Overview of potential of cassava as a food crop and as a feedstock for biofuels - session by Klanarong](https://reader036.fdocuments.us/reader036/viewer/2022062319/55533c7fb4c905e12e8b526e/html5/thumbnails/57.jpg)
Cassava as a biofuel/bioenergy crop
THANK YOUTHANK YOU
[email protected]@ku.ac.thwww.cassava.orgwww.cassava.org
www.thailandethanol.comwww.thailandethanol.com