Small knowledge of garbage classification ppt 1. How to classify domestic waste ppt

The ways and means of domestic waste classification are as follows:

Recyclable garbage:

Mainly includes: paper, metal (iron, copper, aluminum and other products), glass products, plastic products except plastic bags, rubber and rubber products, Tetra Pak packaging such as milk boxes, beverage bottles and so on.

2. Kitchen garbage:

Mainly includes: leftovers, cakes and other food residues, vegetable stems and leaves, animal bones and internal organs, tea residue, fruit residue, fruit shell, melon peel, bonsai and other plant residues, waste edible oil and so on. Kitchen garbage utilization.

3. Hazardous waste:

It mainly includes: batteries, waste light bulbs, expired drugs, expired daily cosmetics, hair dyes, pesticide containers, herbicide containers, waste water silver thermometers, and waste small household appliances.

4. Other garbage:

It mainly includes: polluted and non-renewable paper (paper cups, photos, carbon paper, pressure sensitive paper, receipt paper, star photos, photo albums, toilet paper, diapers, etc. ), contaminated or other non-recyclable glass, plastic bags and other contaminated plastic products, textiles such as waste clothes, waste ceramics, feminine hygiene products, disposable tableware, shells, cigarette butts, dust, etc.

2. Common sense of garbage classification

Judging from the classification methods of municipal solid waste at home and abroad, it is generally classified according to the composition and output of garbage, combined with the resource utilization and treatment methods of local garbage. For example, Germany is generally divided into paper, glass, metal, plastic, etc. Australia is generally divided into compostable garbage, recyclable garbage and non-recyclable garbage; Japan is generally divided into combustible garbage, nonflammable garbage, and so on. At present, domestic garbage in China can be roughly divided into four categories: recyclable garbage, kitchen garbage, harmful waste and other garbage. At present, the commonly used garbage disposal methods mainly include comprehensive utilization, sanitary landfill, incineration for power generation, composting and resource reuse.

Recyclable waste

It mainly includes waste paper, plastic, glass, metal, cloth and so on.

kitchen waste

Include food waste such as leftovers, bones, roots, leaves and peels.

hazardous waste

Including waste batteries, waste fluorescent tubes, waste water silver thermometers, expired drugs, etc. These wastes need special safety treatment.

other waste

Including bricks and tiles, waste residue, toilet waste paper, paper towels and other wastes that are difficult to recycle, sanitary landfill can effectively reduce the pollution of groundwater, surface water, soil and air.

3. What are the tips for garbage sorting?

Benefits of garbage sorting

The benefits of garbage sorting are obvious. After sorting, the garbage is sent to the factory instead of landfill, which not only saves land, but also avoids the pollution caused by landfill or incineration, and can also turn waste into treasure. For example, waste batteries called "mini killers" all contain heavy metals such as mercury or cadmium. If these heavy metals are left underground, they can easily leach into groundwater through rainwater, causing serious persecution to water resources and land. The waste battery contains a variety of useful metal minerals, and its recycling value is very high. It is precisely because of the serious harm and special recycling value of waste batteries that many countries prohibit them from being mixed with garbage. Japanese communities have this kind of yellow bucket, which separates button cell from others. Another example is biological waste such as leftover lettuce and eggshell skin, and kitchen waste such as picked Chinese cabbage leaves, but they can all be used as good organic fertilizers. Like this big nano-dream biological waste processor in Huaibai community, biological waste can be dried and crushed to make efficient organic fertilizer. Residents can use it to grow flowers and grass. Compared with fertilizer food, vegetables grown with them are safe and healthy, and are quite popular in supermarkets. Biological waste usually accounts for 40% of the total waste. If all of them can be turned into organic fertilizers, it can not only save land for landfill, but also save vehicles and energy for transporting them and prevent them from breeding mosquitoes, flies and bacteria.

So garbage sorting has many advantages.

Introduce the environmental protection classified trash can.

Generally speaking, the common environmentally-friendly classified trash cans are divided into green, yellow and red.

Green is used to put recyclable garbage, recyclable garbage: paper, plastic, rubber, metal, glass and so on.

Yellow is non-recyclable garbage, non-recyclable garbage: mainly kitchen garbage, including peels and vegetables.

Skin, leftovers, etc.

Red toxic and hazardous wastes: batteries, fluorescent tubes, mercury thermometers,

Paint bucket, medicine, cosmetics, etc.

Slogans about garbage sorting

1. Garbage sorting has many benefits, and environmental protection depends on you and me. Please find a suitable home for garbage.

3. To turn waste into treasure, classified recycling is indispensable. If everyone has a classified heart, garbage can also be turned into gold. 5. Garbage sorting is easy.

6. If the garbage is divided, the environment will be beautiful.

7. Simple and sustainable sources of resources.

8. Throw away the "white pollution" and turn it into a "white resource". Cultivate civilized dining habits and reduce kitchen waste 10. Garbage children should be separated and live and work in peace.

4. Ask for some knowledge of garbage classification

Recyclable waste

It mainly includes waste paper, plastic, glass, metal, cloth and so on. Waste paper: mainly includes newspapers, periodicals, books, various wrapping papers, office paper, advertising paper, cartons and so on. However, it should be noted that paper towels and toilet paper are too water soluble to be recycled. Plastics: mainly include all kinds of plastic bags, plastic packaging, disposable plastic lunch boxes and tableware, toothbrushes, cups, mineral water bottles, toothpaste skins, etc. Glass: mainly includes all kinds of glass bottles, broken glass pieces, mirrors, light bulbs, thermos bottles and so on. Metal objects: mainly including cans, cans, etc. Cloth: mainly includes discarded clothes, tablecloths, towels, schoolbags, shoes, etc. Comprehensive treatment and recycling can reduce pollution and save resources. If every 1 ton of waste paper is recycled, 850 kilograms of paper can be made, 300 kilograms of wood can be saved, and pollution is reduced by 74% compared with the same output; Every 1 ton plastic beverage bottle can recover 0.7 tons of secondary raw materials; Every recovered 1 ton of scrap steel can produce 0.9 tons of steel, which saves 47% cost compared with ore smelting, reduces air pollution by 75%, and reduces water pollution and solid waste by 97%.

kitchen waste

Including leftovers, bones, roots, leaves, peels and other food wastes, can produce 0.3 tons of organic fertilizer per ton by in-situ composting with biotechnology.

hazardous waste

Including waste batteries, waste fluorescent tubes, waste water silver thermometers, expired drugs, etc. These wastes need special safety treatment.

other waste

Brick and tile ceramics, muck, toilet waste paper, paper towels and other wastes that are difficult to recycle. According to the characteristics of garbage, it is usually treated by incineration or landfill.

5. What are the details of garbage classification?

1. Recyclable garbage refers to garbage with high recycling value that can enter the waste recycling channel.

Mainly includes: paper (newspapers, leaflets, magazines, used books, cartons and other unpolluted paper products. ), metal (iron, copper, aluminum and other products), glass (glass products such as glass bottles and flat glass), plastic products other than plastic bags (foam plastics, plastic bottles, hard plastics, etc.). ), rubber and rubber products, Tetra Pak packaging such as milk cartons and beverage bottles. 2. Garbage containing toxic and harmful chemicals in harmful waste.

Mainly includes: batteries (storage batteries, button cell, etc. ), waste electronic products, waste light bulbs, expired drugs, expired daily cosmetics, hair dyes, pesticide containers, herbicide containers, waste water silver thermometers, waste paint barrels, waste printer cartridges, toner cartridges, etc. The main treatment methods of hazardous waste are safe landfill and incineration.

3. Food waste and peels produced by kitchen waste. Mainly includes: leftovers, cakes and other food residues, vegetable stems and leaves, animal bones and internal organs, tea residue, fruit residue, fruit shell, melon peel, bonsai and other plant residues, waste edible oil and so on.

The main treatment methods of kitchen waste are composting and making feed. 4, other garbage except recyclable, harmful waste, kitchen waste, the floorboard of all garbage.

It mainly includes: polluted and non-renewable paper (paper cups, photos, carbon paper, pressure sensitive paper, receipt paper, star photos, photo albums, toilet paper, diapers, etc. ), contaminated or other non-recyclable glass, plastic bags and other contaminated plastic products, textiles such as waste clothes, waste ceramics, feminine hygiene products, disposable tableware, shells, cigarette butts, dust, etc. The main disposal methods of other garbage: the combustible part is burned to generate electricity, and the nonflammable part is sanitary landfilled.

Extended data:

The meaning of garbage classification is 1. The separation of kitchen waste containing perishable organic components can provide high-quality raw materials for garbage composting and produce high-quality organic fertilizer, which is conducive to improving soil fertility and reducing fertilizer application. 2. The kitchen waste with high moisture content is separated, which improves the incineration calorific value of other wastes and reduces the difficulty of secondary pollution control in waste incineration.

3. Classifying harmful waste reduces the contents of heavy metals, organic pollutants and pathogenic bacteria in garbage, which is beneficial to the harmless treatment of garbage and reduces the risk of water, soil and air pollution in garbage treatment. 4. Different kinds of garbage are diverted, which greatly reduces the amount that eventually enters the sanitary landfill and prolongs the service life of the landfill.

5. Increase the proportion of waste recycling, reduce the demand for raw materials and reduce carbon dioxide emissions. 6, popularize knowledge of environmental protection and garbage, enhance the whole society's awareness of the sanitation industry, reduce the difficulty of sanitation workers, and form an atmosphere of respect and care for sanitation workers.

Baidu encyclopedia-garbage.

6. How to classify scientific waste in kindergarten middle class?

1. Activity objective: 1. Understand the signs of garbage classification, and preliminarily master the classification of domestic garbage. 2. Know that garbage can be used to germinate children's environmental awareness. 2. Activity preparation: 1. Trash cans (with different kinds of signs), some domestic garbage. 2. Related videos. 3. Gloves, monkeys and puppets. 3. Activity flow: (1) Why? 2. How do you feel if you are in a sloppy city? How to turn a dirty city into a clean city? (2) Understand the signs in garbage classification and classify them. Little monkey opened a garbage collection station in slovenly city. 1. Guess what the sign on the trash can means? (children's discussion) 2. The first attempt at classification. 3. Explain the meaning of the sign and try the second classification. 3. Understand the recycling capacity of garbage. 1. Why should these recycled garbage be classified? What's the use? (children's discussion) 2. Play the video, tell the story of "clever monkey" and watch the recycling of garbage. To sum it up briefly.

7. How to classify the scientific garbage in the sixth grade of primary school?

Activity goal: Emotional goal: Know how to separate and recycle garbage and establish environmental awareness.

Ability goal: 1, cultivate the ability of observation, analysis, comparison and classification. 2. Cultivate students' ability to participate actively, be willing to practice and be good at communication.

Knowledge goal: know how to classify garbage. Activity focus: Know how to classify garbage.

Activity difficulty: cultivate the ability of observation, analysis, comparison and classification. Activity time: preparation for a class: related videos, cards and forms.

Activity design: 1. Scenario introduction (1). 1 introduction. Question: Children, before class, everyone made a survey on the quantity and types of garbage produced every day, and the teacher made statistics and sorting out the students' surveys. Please look at the questionnaire. (Show courseware) 2. What information did you learn from this questionnaire? (2) Exchange discussion 1. How do you deal with so much rubbish? 2. Have you ever seen such a trash can? What do you mean? (Classify and throw garbage) Today we are going to discuss the classification of garbage.

3. What's your problem when you see the topic? (1) Why do you want to throw garbage in categories? (2) How to classify and throw garbage? Summary: In today's comprehensive practical activity class, we will study the classification of garbage from these two aspects. How to classify so many kinds of garbage? Let's get to work and share an idea together, shall we? Second, the activity process (1), one point 1, listen to the activity requirements: teamwork, bold guess, how to classify these garbage? Put the same kind of garbage in one basket and see which component can be collected fastest.

2. Student activities exchange. (Camera sticks to students' works) (1) Our group is divided according to different materials.

(2) Our groups are divided according to different shapes. (3) Our group is divided according to the purpose.

3. Summary: The children in our class are really active in thinking, and the garbage is classified according to its material, shape and use. But which method is more reasonable and scientific? Look at the little doll (2) again, and think about 1. Now, which method do you think is more scientific and reasonable? Tell me why.

2.( 1) For recyclable garbage, the international logo is like this. (Show icon).

China also uses these two symbols to indicate non-recyclable and toxic substances. (2) Where have you seen such a sign?

(Coke, Sprite cans, plastic bags sold in the supermarket ...) We can help with the classification through logo. 3. What rubbish is recyclable? (1) Waste plastic bottles, plastic beverage bottles, toothbrushes, toothpaste tubes ... There are all kinds of plastic bags, plastic wrapping paper, disposable plastic lunch boxes and tableware, toothbrushes, plastic cups, mineral water bottles, etc. They are all plastic products and can be recycled.

(2) Unwanted clothes and trousers ... Yes, this belongs to cloth garbage and can be recycled. What else is this piece of garbage? (tablecloth, towel, schoolbag, shoes) (3) glass bottles, broken glass ... well, glass bottles, broken glass, mirrors, light bulbs, thermos bottles and so on. It is also recyclable.

(4) The cans can be recycled. That's right. Metal garbage like cans. What else? (cans, milk powder boxes) (5) Waste newspapers can be sent to the recycling station.

What else does this garbage have? However, it should be noted that toilet paper and paper towels are not recyclable because of their strong water solubility. (Pointing out the slide) 4. What rubbish is not recyclable? 5. Is there another kind of garbage that needs special attention? (1) battery Yes, a battery will pollute 6000 tons of water resources, which will do great harm to our lives.

Do you know which rubbish is harmful waste? (Fluorescent tubes, mercury thermometers, paint containers, medicines, cosmetics) (Click on the slide) Summary: The students spoke very well. Summary: Through our study and discussion today, combined with everyone's life practice, we have a preliminary understanding of the classification of garbage and its significance.

(3) Send the baby home Activity 1: Test 1. Import: Let's play a game together. 2. The game (1) shows the rules of the game: the following wastes are recyclable garbage, which is indicated by a tick gesture, and the unrecoverable garbage is indicated by an "X" gesture.

If it is toxic waste, clap your hands. (2) Students' game exchange activity 2: Practice 1. Introduction: Students, it is difficult to have a child. There is a lot of rubbish around him that he doesn't know how to deal with. Can you help him? 2. The game (1) shows the rules of the game by projection. A. each group classifies itself to see which group is fast and accurate.

B the team leader is responsible for the division of labor, and the team members work together. (2) class communication, indicating whether the students agree with him. Tell me what you think of their judgment.

Activity 3: Send a 1. Game: children, I see that there are still some waste "babies" around me who are homeless. Who can take him home? Requirements: Students with waste "baby" come to the stage to send the baby home. Let's see who found a home for them first.

Third, expand 1. Students, reasonable classification and scientific treatment of garbage has become a major life theme in the world, which has far-reaching significance for maintaining the environment and advocating low-carbon life. Let's see how other countries do it. (Caption) In Sweden, garbage sorting goes deep into communities, and there are always green metal cans next to community centers or large gas stations. In the United States, there are many litters and high fees; Germans are famous for their preciseness.

Garbage classification is no exception. Residents put glass bottles of different colors into garbage bins for recycling glass products of three different colors, and at the same time unscrewed plastic bottle caps and put them into garbage bins for collecting plastic products.

Japan: remind garbage classification with yearbook; This calendar is marked with different colors such as yellow, green and blue every month, and it is also equipped with cartoons to tell people what is non-combustible garbage and what is recyclable garbage, so that people can see at a glance. At the same time, even the packaging boxes of Japanese goods have been marked with what kind of garbage they belong to, and there are even hints on the milk boxes: wash, open, dry and fold before throwing.

2. What do you think after knowing this information? 3. As a small host in Chongqing, do you have any good suggestions? Summary: Each of us is both a producer and a victim of garbage, and more importantly.