Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1.1 Current Situations of Construction of Villages and Towns
and Environmental Protection in China . . . . . . . . . . . . . . . . . . . .
1
1.2 Necessity of Differentiated Resourceful Utilization of Organic
Wastes in Villages and Towns . . . . . . . . . . . . . . . . . . . . . . . . . .
3
1.3 Research Status of Resourceful Utilization of Organic Wastes
in Villages and Towns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
2 High-Efficient Anaerobic Fermentation Technology of Organic
Wastes in Villages and Towns . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.1.1 Traditional Anaerobic Fermentation Process . . . . . . . . . . 10
2.1.2 Two-Phase Anaerobic Fermentation Process . . . . . . . . . . 10
2.1.3 Influence Factors of Anaerobic Fermentation . . . . . . . . . . 11
2.2 Pre-treatment Technologies of Anaerobic Fermentation . . . . . . . . . 14
2.2.1 Hydrothermal Pre-treatment Technology
of Putrescible Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.2 Pre-treatment Technology of Wastes with High
Content of Lignocellulose . . . . . . . . . . . . . . . . . . . . . . . . 22
2.2.3 High-Efficient Pre-treatment Technology for Seed
Sludge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.3 Research on High-Efficient Anaerobic Fermentation
Technology for Organic Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.3.1 High-Efficient Anaerobic Fermentation Technology
of Kitchen Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.3.2 High-Efficient Anaerobic Fermentation Technology
of Straws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2.3.3 TOC and TN Contents . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2.3.4 Dry Anaerobic Fermentation Technology
of Livestock Manure . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
vii
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1.1 Current Situations of Construction of Villages and Towns
and Environmental Protection in China . . . . . . . . . . . . . . . . . . . .
1
1.2 Necessity of Differentiated Resourceful Utilization of Organic
Wastes in Villages and Towns . . . . . . . . . . . . . . . . . . . . . . . . . .
3
1.3 Research Status of Resourceful Utilization of Organic Wastes
in Villages and Towns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
2 High-Efficient Anaerobic Fermentation Technology of Organic
Wastes in Villages and Towns . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.1.1 Traditional Anaerobic Fermentation Process . . . . . . . . . . 10
2.1.2 Two-Phase Anaerobic Fermentation Process . . . . . . . . . . 10
2.1.3 Influence Factors of Anaerobic Fermentation . . . . . . . . . . 11
2.2 Pre-treatment Technologies of Anaerobic Fermentation . . . . . . . . . 14
2.2.1 Hydrothermal Pre-treatment Technology
of Putrescible Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.2 Pre-treatment Technology of Wastes with High
Content of Lignocellulose . . . . . . . . . . . . . . . . . . . . . . . . 22
2.2.3 High-Efficient Pre-treatment Technology for Seed
Sludge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.3 Research on High-Efficient Anaerobic Fermentation
Technology for Organic Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.3.1 High-Efficient Anaerobic Fermentation Technology
of Kitchen Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.3.2 High-Efficient Anaerobic Fermentation Technology
of Straws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2.3.3 TOC and TN Contents . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2.3.4 Dry Anaerobic Fermentation Technology
of Livestock Manure . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
vii