-Where should discarded batteries be thrown away

Where should discarded batteries be thrown away
author:enerbyte source:本站 click119 Release date: 2024-05-29 09:01:42
abstract:
Alkaline manganese batteryCommon equipment: Alkaline manganese batteries can be used on any device, from cameras and flashlights to remote controls.Recycling method: Put it in a regular trash can. Because mercury has been discontinued in alkaline manganese batteries. If you decide to throw alkaline...

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Alkaline manganese battery

Common equipment: Alkaline manganese batteries can be used on any device, from cameras and flashlights to remote controls.

Recycling method: Put it in a regular trash can. Because mercury has been discontinued in alkaline manganese batteries. If you decide to throw alkaline manganese batteries into the trash can, you can take the following measures to prevent leakage: 1. Put multiple batteries in the same plastic bag; 2. Seal both ends of each battery with tape.

Recycling results: Recycling these batteries can yield steel and zinc, two valuable metals.

Nickel cadmium battery

Common equipment: Nickel cadmium batteries are inexpensive versions of rechargeable alkaline batteries that can be charged hundreds of times. Many branded rechargeable batteries are often nickel hydrogen batteries.

Recycling method: A portion of the price of nickel cadmium batteries includes the cost of recycling and processing. Due to the presence of toxic cadmium metal, it should not be discarded in the landfill. In supermarkets, there will be recycling points for nickel cadmium and nickel hydrogen batteries.

Recovery result: Heating separates high-temperature metal nickel and iron from low-temperature metal zinc and cadmium; Some metals solidify after melting, while others are treated as metal oxides.

Lithium ion batteries

Common equipment: Lithium batteries use the most advanced rechargeable technology and are commonly used in mobile phones and consumer electronics. These batteries can also serve as power sources for electric vehicles.

Recycling method: Do not store or dispose of lithium batteries in the trash, as one reason is that when they come into contact with high temperatures, they may overheat and explode. In most cases, companies that handle electronic devices such as smartphones and laptops also handle this type of battery. Therefore, you can easily find a recycling site.

Recycling result: The recycling method for these batteries is the same as nickel cadmium batteries to generate useful metals.

Silver oxide battery

Common equipment: This is a common type of button type battery, commonly used in calculators, hearing aids, and watches. In addition to its small size, other features of button batteries include longer storage life and the ability to be used normally at low temperatures.

Recycling method: Silver oxide batteries and other button batteries contain mercury, so they must be recycled. In most cases, professionals will replace these batteries and you can ask if they can help you recycle them.

Recycling result: Usually crushed to recover useful heavy metals.

Lead-acid battery

Common equipment: Used to power automation equipment such as cars, ships, and motorcycles.

Recycling method: Similar to other batteries. If you have purchased a new battery, you can inquire about the recycling method for the old battery first.

Recycling result: During recycling, lead-acid batteries will be divided into plastic, lead, and sulfuric acid. Polypropylene plastic will be reprocessed into new battery cases, and lead sheets will be reprocessed for use in new batteries. The acid will be neutralized and cleaned through a sewage treatment plant, otherwise it will be converted into sodium sulfate for use in clothing cleaning agents.

How to dispose of waste batteries in a simple and environmentally friendly way? There seems to be an activity to recycle old batteries and exchange them for gifts in the neighborhood committee. 3. Hand it over to the waste recycling station. The hazards of waste batteries: The hazards of waste batteries mainly focus on the small amounts of heavy metals contained in them, such as lead, mercury, cadmium, etc. These toxic substances enter the human body through various channels, and long-term accumulation is difficult to eliminate, damaging the nervous system, hematopoietic function, and bones, and even causing cancer. Lead: nervous system (neurasthenia, numbness in hands and feet), digestive system (indigestion, abdominal cramps), blood poisoning, and other pathological changes. Mercury: Changes in mental state are a major symptom of mercury poisoning. Increased pulse, muscle tremors, oral and digestive system disorders. Cadmium and manganese: mainly harmful to the nervous system. The ways in which waste batteries pollute the environment: The components of these batteries are sealed inside the battery casing during use and do not have any impact on the environment. But after long-term mechanical wear and corrosion, heavy metals and acid-base substances inside can leak out and enter the soil or water source, entering the human food chain through various channels. The process is described as follows: microbial and animal circulation in the pond soil, dust in crops, food, and human nerve deposition disease. Experts believe that due to the characteristics of long cycle and high concealment of battery pollution, its potential harm is quite serious, and improper handling can also cause secondary pollution. According to Dr. Yang Yifu, some farmers in a coastal province of China, when recycling lead from lead-acid batteries, dispose of the waste liquid containing lead and sulfuric acid due to improper recycling. This not only causes lead poisoning, but also hinders the growth of local crops. One No. 1 battery rotting in the ground can permanently render 1 square meter of soil useless; A button battery can pollute 600 tons of water, equivalent to a person's lifetime of drinking water. A button battery can pollute 600000 liters of water, which is equivalent to a person's lifetime of drinking water. A broken battery in the ground can render one square meter of land useless, so it is not an exaggeration to call a waste battery a "pollution bomb". The ordinary dry batteries we use in our daily lives mainly include acidic zinc manganese batteries and alkaline zinc manganese batteries, both of which contain various metal substances such as mercury, manganese, cadmium, lead, zinc, etc. After discarded batteries, the outer shell of the batteries will slowly corrode, and the heavy metal substances in them will gradually seep into water and soil, causing pollution. The biggest characteristic of heavy metal pollution is that it cannot be degraded in nature and can only be eliminated through purification. The harm of waste batteries mainly focuses on the small amount of heavy metals contained in them, and the manifestation of the harm of metal types. Excessive accumulation of manganese in the body can cause neurological dysfunction, with early manifestations of comprehensive functional disorders. The heavier ones may have heavy legs, monotonous language, dull expressions, indifferent emotions, and often accompanied by mental symptoms. Zinc and zinc salts can cause protein precipitation and have a stimulating effect on the skin and mucous membranes. When the concentration in water exceeds 10-50 millisieverts per liter, there is a risk of cancer and it may cause chemical pneumonia. Lead: Lead mainly acts on the nervous system, blood activating system, digestive system, liver, kidney and other organs, inhibiting the synthesis and metabolism of hemoglobin. It can also directly affect mature red blood cells and have a significant impact on infants and young children. It can lead to delayed physical development in children, and chronic lead poisoning can lead to intellectual disability in children. Nickel powder dissolves in the blood, participates in internal circulation, has strong toxicity, can damage the central nervous system, cause vascular mutations, and in severe cases, lead to cancer. Mercury is the most noteworthy among these heavy metal pollutants. The harm of this heavy metal to human beings is indeed significant. For a long time, China has added a toxic substance - mercury or mercury compounds - to the production of dry batteries. The mercury content in alkaline dry batteries in China reaches 1-5%, while that in neutral dry batteries is 0.025%. The mercury used in the production of dry batteries nationwide every year has obvious neurotoxicity, and also has adverse effects on the endocrine system, immune system, and other systems. In 1953, the shocking Minamata disease incident on Kyushu Island, Japan, sounded the alarm for mercury pollution to humanity. Heavy metal pollution poses a threat to human health. If humans ignore the control of heavy metal pollution, they will eventually swallow the bitter fruit of their own brewing. Therefore, it is increasingly important to strengthen the recycling of waste batteries.


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