Pollution,waste,batteries,and, business, insurance Pollution of waste batteries and recycling issues
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The dailyuse battery is by chemical action, the popular talk is by the corrosive effect toproduce electrical power. Battery has disposablebatteries, secondary batteries and car batteries. Disposable batteriesincluding button batteries, ordinary zinc-manganese batteries and alkalinebatteries, most of disposable batteries were containing mercury. The secondarybattery is mainly referring the rechargeable battery, which contain the heavymetal cadmium. Automotive waste batteries contain acid and heavy metals lead.More using small secondary battery has nickel-cadmium,nickel hydrogen and lithium ion batteries. The total use is only hundreds ofmillions, and most of them are smaller, waste battery with lower recyclingvalue, generally as household waste. Civilian dry cell is currently the largestusing, also the most decentralized battery products, Chinas annual consumption isnearly 8 billion. Mainly have zinc-manganese and alkaline manganese dioxide twoseries, also have a small amount of silver-zinc, lithium and other varieties. Dueto the use dispersion, difficult to manage recovery, waste battery regenerationcost is large. Coupled lack the scientific, economic approaches, wastebatteries generally as household waste.Internationally, to the waste rechargeablebatteries commonly use the recycling method to treat, to the waste dry batteryis in the way of centralization burying. Some countries have dry cell treatmentplant, but the processing cost is too high, the effectiveness is bad, shouldrely on government subsidies. China'scurrent situation, landfill is still the best way. Recycling technology should developtoward the direction of lower costs, avoid secondary pollution. Take the road ofdeveloping new green battery at the same time: developing high-energy,pollution-free green battery, control the environmental pollution and resourceconsumption to a minimum at the beginning of manufacturing. So that make theproduction and recycling forming a virtuous circle, can be truly beneficial tothe people and no harm to people, no harm to nature.The battery products harmful to the environment aremainly the acid, alkali and other electrolyte solution and heavy metalpollution. Different types of batteries with different pollutants. According tometal powder supplier, the harmful substances in the battery mainly have Zn, Hg, Ni, Pb, andother heavy metals, H2S04 inlead storage battery; KOH in various alkaline batteries and IiPP6 electrolyte inlithium batteries. Hg and its compounds, especially the organic mercurycompounds with a strong biological toxicity, faster bioconcentration rate and alonger biological half-life of the brain organ. Cd easy enriched in plants andanimals, affect the growth of plants and animals, with highly toxic. Pbadversely affect the chest, kidneys, reproductive, cardiovascular and otherorgans and systems of the human, manifested as decreased intelligence, kidneydamage, infertility and hypertension. The toxicity of Zn, Ni is relativelysmall, but over a certain range of concentration would cause adverse effectsand hazards. Acid, alkali electrolyte solution in the waste battery will affectthe pH value of the soil water system, acidic or alkaline the soil and watersystems.Waste batteries is not only harmful to humans, italso contains a lot of resources. Such as button batteries containing lithium,manganese, silver and other precious metals; lead-acid batteries contain lead;mobile phone batteries contain cadmium, these substances with a high recoveryvalue. Now there are some recycling factories start to do the recycle and extractwork. In addition, in the ordinary batteries also contains zinc, copper, manganese powder and other resources. Non-ferrous metals in the waste batteries is avaluable natural resource, if can recycle the waste battery and reuse, not onlycan reduce the damage to our living environment, also can save resources.Source:http://www.mhcmp.com
Pollution,waste,batteries,and,