Towards Biofuel Production – Vegetable Oil Yields

No Comments » January 12th, 2008 posted by // Categories: Energy Development Project



 

VEGETABLE OIL YIELDS

 

See – http://journeytoforever.org/biodiesel_yield.html

 

Vegetable oil yields

Biodiesel yield = oil yield x 0.8 approx.

Note: These are conservative estimates — crop yields can vary widely.

Ascending order

Crop kg oil/ha litres oil/ha lbs oil/acre US gal/acre
corn (maize) 145 172 129 18
cashew nut 148 176 132 19
oats 183 217 163 23
lupine 195 232 175 25
kenaf 230 273 205 29
calendula 256 305 229 33
cotton 273 325 244 35
hemp 305 363 272 39
soybean 375 446 335 48
coffee 386 459 345 49
linseed (flax) 402 478 359 51
hazelnuts 405 482 362 51
euphorbia 440 524 393 56
pumpkin seed 449 534 401 57
coriander 450 536 402 57
mustard seed 481 572 430 61
camelina 490 583 438 62
sesame 585 696 522 74
safflower 655 779 585 83
rice 696 828 622 88
tung oil tree 790 940 705 100
sunflowers 800 952 714 102
cocoa (cacao) 863 1026 771 110
peanuts 890 1059 795 113
opium poppy 978 1163 873 124
rapeseed 1000 1190 893 127
olives 1019 1212 910 129
castor beans 1188 1413 1061 151
pecan nuts 1505 1791 1344 191
jojoba 1528 1818 1365 194
jatropha 1590 1892 1420 202
macadamia nuts 1887 2246 1685 240
brazil nuts 2010 2392 1795 255
avocado 2217 2638 1980 282
coconut 2260 2689 2018 287
oil palm 5000 5950 4465 635

Alphabetical order

Crop
kg oil/ha litres oil/ha lbs oil/acre US gal/acre
avocado 2217 2638 1980 282
brazil nuts 2010 2392 1795 255
calendula 256 305 229 33
camelina 490 583 438 62
cashew nut 148 176 132 19
castor beans 1188 1413 1061 151
cocoa (cacao) 863 1026 771 110
coconut 2260 2689 2018 287
coffee 386 459 345 49
coriander 450 536 402 57
corn (maize) 145 172 129 18
cotton 273 325 244 35
euphorbia 440 524 393 56
hazelnuts 405 482 362 51
hemp 305 363 272 39
jatropha 1590 1892 1420 202
jojoba 1528 1818 1365 194
kenaf 230 273 205 29
linseed (flax) 402 478 359 51
lupine 195 232 175 25
macadamia nuts 1887 2246 1685 240
mustard seed 481 572 430 61
oats 183 217 163 23
oil palm 5000 5950 4465 635
olives 1019 1212 910 129
opium poppy 978 1163 873 124
peanuts 890 1059 795 113
pecan nuts 1505 1791 1344 191
pumpkin seed 449 534 401 57
rapeseed 1000 1190 893 127
rice 696 828 622 88
safflower 655 779 585 83
sesame 585 696 522 74
soybean 375 446 335 48
sunflowers 800 952 714 102
tung oil tree 790 940 705 100

This data is compiled from a wide variety of sources. The yield figures are most useful as comparative estimates, crop yields vary widely.

Typical oil extraction from 100 kg. of oil seeds

Castor Seed 50 kg
Copra 62 kg
Cotton Seed 13 kg
Groundnut Kernel 42 kg
Mustard 35 kg
Palm Kernal 36 kg
Palm Fruit 20 kg
Rapeseed 37 kg
Sesame 50 kg
Soyabean 14 kg
Sunflower 32 k

 

Oils and esters characteristics

Oils and esters characteristics
Type of Oil
Melting Range deg C
Iodine
number
Cetane
number
Oil / Fat
Methyl
Ester
Ethyl
Ester
Rapeseed oil, h. eruc.

5

0

-2

97 to 105

55

Rapeseed oil, i. eruc.

-5

-10

-12

110 to 115

58

Sunflower oil

-18

-12

-14

125 to 135

52

Olive oil

-12

-6

-8

77 to 94

60

Soybean oil

-12

-10

-12

125 to 140

53

Cotton seed oil

0

-5

-8

100 to 115

55

Corn oil

-5

-10

-12

115 to 124

53

Coconut oil

20 to 24

-9

-6

8 to 10

70

Palm kernel oil

20 to 26

-8

-8

12 to 18

70

Palm oil

30 to 38

14

10

44 to 58

65

Palm oleine

20 to 25

5

3

85 to 95

65

Palm stearine

35 to 40

21

18

20 to 45

85

Tallow

35 to 40

16

12

50 to 60

75

Lard

32 to 36

14

10

60 to 70

65

 

Oils and their melting points and Iodine Values
Oil
Approx.
melting point
deg C
Iodine Value
Coconut oil
25
10
Palm kernel oil
24
37
Mutton tallow
42
40
Beef tallow
50
Palm oil
35
54
Olive oil
-6
81
Castor oil
-18
85
Peanut oil
3
93
Rapeseed oil
-10
98
Cotton seed oil
-1
105
Sunflower oil
-17
125
Soybean oil
-16
130
Tung oil
-2.5
168
Linseed oil
-24
178
Sardine oil
185

— From “Waste Vegetable Oil as a Diesel Replacement Fuel” by Phillip Calais, Environmental Science, Murdoch University, Perth, Australia, and A.R. (Tony) Clark, Western Australian Renewable Fuels Association Inc.
http://www.shortcircuit.com.au/warfa/paper/paper.htm

 

Make your own biodiesel:

  http://journeytoforever.org/biodiesel_make.html#start

 

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