Table 1 Inventory data of glucose production based on different scenarios.

From: Environmental impact assessment of rice mill waste valorisation to glucose through biorefinery platform

 

Scenario 1

Scenario 2

Scenario 3

Unit

Input—agriculture phase

 Organic amendment

–

–

0.03

ton

 Limestone

–

–

0.01

ton

 Diesel-leveller

–

–

11.65

L

 Area

–

–

0.34

ha

 Paddy seed

–

–

0.05

ton

 Water

–

–

256.90

m3

 Diesel-transplanting

–

–

4.11

L

 Fertilizer

–

–

128.50

ton

 Gasoline

–

–

7.54

L

 Diesel for harvesting

–

–

8.91

L

 Diesel for transportation

–

–

3.77

L

Input—milling phase

 Electricity

–

–

106.57

kWh

 Diesel—drying

–

–

0.027

ton

Input—bioconversion system

 EPFG processing

  EPFG

2.60

2.60

2.60

ton

  Electricity

78

78

78

kWh

 Pre-treatment

  Electricity

261.63

261.63

261.63

kWh

  Water

23.14

23.14

23.14

ton

  Steam

0.50

0.50

0.50

ton

 Enzymatic hydrolysis

  Electricity

62.41

62.41

62.41

kWh

  Water

2.57

2.57

2.57

ton

  Sodium acetate

0.07

0.07

0.07

ton

  Acetic acid

0.03

0.03

0.03

ton

  Enzyme-glucoamylase

52.90

52.90

52.90

L

  Enzyme-cellulase

0.068

0.068

0.068

ton

 Separation

  Electricity

25.20

25.20

25.20

kWh

Output

 Glucose

1.00

1.00

1.00

ton

 Solid residue

1.60

1.60

1.60

ton

 Electricity generation

–

4322.12

4322.12

kWh