Biomass energy includes: forest resources, agricultural resources, sewage and sewage, solid waste, livestock and poultry manure.
1. Forest resources
Forest biomass resources refer to the biomass energy provided by forest growth and forest production processes, including firewood, loose wood, branches residuals, leaves and sawdust during forest maintenance and thinning operations;
2. Agricultural resources
Agricultural biomass energy resources refer to agricultural crops (including energy crops) in the agricultural production process, such as crops; straw (corn straw, sorghum straw, wheat straw, rice straw, soy straw, cotton straw, etc.) remaining in agricultural land during harvest; wasteof the agricultural processing industry, such as rice husks remaining in the agricultural production process.
3. Wastewater
Domestic wastewater mainly consists of various drainages from urban life, commerce and service industries, such as cooling water and bathing water . drainage, toilet drainage, laundry drainage, kitchen drainage, fecal sewage, etc.
4. Solid waste
Municipal solid waste mainly consists of solid waste such as domestic waste of urban residents, commercial and service waste, and a small amount of garbage. quantity of waste from the construction sector. Its composition is relatively complex and is affected by factors such as the average standard of living of local residents, the structure of energy consumption, urban construction, environmental conditions.natural ons, traditional habits and seasonal changes.
5. Livestock and Poultry Manure
Livestock and poultry manure is the general term for livestock and poultry droppings. These are other forms of biomass (mainly cereals). , straw from crops and pastures, etc.), including feces and urine excreted by livestock and poultry and their mixing with litter.