Locality (Prefectures)

Number of producers surveyed

Number distributors surveyed

Number of consumers surveyed

AGOE-NYIVE

3

7

36

GOLFE

7

8

43

LACS

2

4

34

Total

12

19

113

Table 1: Sample Size

 

 

Unit operations

 

 

Cleaning

 

Soaking

 

Milling

 

Fermentation

Sieving

 

Fermentation

 

Incorporation of rice

Incorporation of milk

Cooking and addition of sugar and/or caramel

Incorporation of milk

Packaging

 

 

 

 

 

 

 

 

Methods

1

+

+

+

+

+

-

+

+

+

-

+

2

+

+

+

+

+

-

+

+

+

-

+

3

+

+

+

-

+

+

+

+

+

-

+

4

+

+

+

+

+

-

+

+

+

-

+

5

+

+

+

-

+

-

+

-

+

+

+

6

+

+

+

-

+

-

+

+

+

-

+

7

+

+

+

+

+

-

-

-

+

+

+

8

+

+

+

-

+

+

+

-

+

-

+

9

+

+

+

-

+

-

-

-

+

-

+

10

+

+

+

+

+

-

-

+

+

-

+

11

+

+

+

-

+

-

-

-

+

+

+

12

+

+

+

+

+

-

+

-

+

+

+

Table 2: Presentation of the different unit operations according to various processes of production of the slurry containing

 

 

Equipment used

 

 

 

Technological Operations

Cleaning

Tray, bassin, basket

Soaking

Bassin

Milling

Grinding mill grinding wheel, motar

Wet sieving

Sieve in nylon fabric (mesh less than 0,05 mm)

Cooking

Bassin

Packaging

Sachets for packaging (packaging of 50 and 100 FCFA)

Table 3: Equipment used during the preparation of the porridges.

F CFA: Franc of French Colonies of Africa

 

Duration of operations

Temperature of operations

 

 

 

 

Technological operations

Sorting

20 – 30 minutes

Ambiente (27 – 34 °C)

Washing

10 – 15 minutes

Ambiente (27 – 34 °C)

Soaking

02 – 16 heures

Ambiente (27 – 34 °C)

Fine grinding

07 – 12 minutes

Ambiente (27 – 34 °C)

Fermentation

02 – 8 heures

Ambiente (27 – 34 °C)

Wet sieving

30 – 40 minutes

Ambiente (27 – 34 °C)

Cooking

55 – 90 minutes

98 – 100 ºC

Packaging

90 – 120 minutes

52 – 100 °C

Table 4: Evaluations of some technological parameters for 3 kg of waste

Technological opération

Quantity of incoming material of waste (g)

Quantity of ingrédients (g)

Quantity of material leaving (g)

 Yield

Sorting

4 200

-

4000

0.95

Washing 1

4 000

Water: 7434

4045

1,01

Washing 2

4 045

Water: 7434

4100

1,01

Soaking

4 100

Water: 7434

4360

1.06

Milling

4 360

-

4300

0.98

Wet sieving

4 300

Water: 15 000

19300

4.49

Cooking

19300

Rice : 0.25 kg ; Sugar : 0.5 kg ;

Milk : 200g ; caramel : 0.25 kg

20 000

1.03

Packaging

2 package

-

-

-

Table 5: Material balance

 

 

Sex

Marital status

 

 

M (%)

F (%)

Other (%)

Married (%)

Single (%)

Other (%)

 

Respondents

Producers

0

100

0

58,33

33,33

8,33

Distributors

5,26

94,74

0

15,78

47,37

36,84

Consumers

83,19

16,81

0

30,97

55,75

13,27

Table 6: Sex and marital status of respondents (producers, distributors and consumers)

Material

Number

Amount

Amortization (years)

Amortization/month (F CFA)

 

Bassin

2

9000

5

150

Sieve

1

300

1

25

Sieve

1

400

1

34

Bowl

2

150

1

13

Canvas

1

300

1

25

Hearth

1

2500

5

42

Pot

1

7000

5

117

Palette

1

300

5

5

Filtration system

1

3000

5

60

Cashier for sale

1

8000

5

134

Total

12

30950

 

605

Table 7: Amortization of the material for the production of the nutsedge-based porridge

Operations

Price/Unity for sale

Quantity

Cost (FCFA)

Purchase of nutsedges

1300 FCFA/measure

2 local measures

2600

Purchase of sugar

600 FCFA/Kg

1 kg

600

Purchase of sachets

250 FCFA/package

2 packages

500

Purchase of water

25 FCFA/Bassin

2 bassins

50

Coal

250 FCFA/package

1 package

250

Amortization/Production*

-

-

37.8125 FCFA

Unput** (1)

-

-

4037.815 FCFA

Output*** (2)

-

-

11200 FCFA

Profit margin

-

-

7162.18175 FCFA

Rate of return

-

-

1.773

Table 8: Financial profitability of the production of nutsedge-based porridge

NB: * Monthly depreciation (605 FCFA) divided by the number of productions per month (16);
** Total expenditure for a slurry production from two measures of slurry (6 kg of porridge);
*** Sum generated by the sale of production of porridge from 6 kg of waste.