Swill refers to the semi-liquid feed of livestock (such as pigs). They are made from animal and plant waste from kitchens, markets, etc., mixed with water. rice, wash vegetables and wash water from dishes. Also known as "Gushui".
1. Documents:
1. "A week in the guerrilla zone" by Sun Li: "Once, they even drank the swill (water from washing pots) from the blockhouse. It's done."
2. Guo clarified chapter 16 of "The Story of the Broad Sword": "That pool of swill was right and it splashed all over me."
2. Example sentences:
1. He collected swill from the restaurant to bring home to feed the pigs.
2. Since the Ministry of Health strictly banned the use of swill to feed pigs, this tradition has been gradually eliminated.
3. Although the smell of the waters gstale is unbearable, he still has to pick it up every day to survive.
4. Improper disposal of swill can lead to serious health problems, so special attention is required.
5. For those living on the outskirts of cities, swill collection is an important life skill.
Characteristics of swill
1. High Moisture Content:
High moisture content, usually between 65% and 95%. This gives the swill great fluidity and easy permeability. Treatment is relatively difficult and requires specific treatment methods to prevent environmental pollution.
2. Perishability:
It has a high organic matter content and is subject to rapid decomposition at high temperatures or in a suitable microbial environment. During the rotting process, foul odors and noxious gaseswill be produced, affecting the environment. Rapid treatment is necessary to prevent wastewater from deteriorating and polluting the environment.
3. Lots of free fat and oil:
Swill usually contains a lot of oil and fat. Fat buildup can make swill feel greasy and greasy. The separation and removal of fats is an important step in the treatment process.
4. High potential bioenergy:
Swill is rich in organic matter and has high bioenergy potential. If processed and used efficiently, it can be converted into other forms of energy or resources. Efficient processing and utilization methods need to be explored to achieve resource recovery and reuse.