Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-03-01 Hits: Popular:AG11 battery
The pollution problem of waste batteries and their treatment and recycling methods have become one of the most environmentally friendly focuses in society. In fact, waste zinc-manganese batteries contain a large number of valuable elements and recyclable materials, such as copper, zinc, manganese dioxide, zinc chloride, etc. If they are recycled, it will not only solve the problem of environmental pollution, but also Can turn waste into treasure.
There have been many studies on the recycling of waste zinc-manganese batteries at home and abroad. To sum up, they can be divided into three types: dry method, wet method and dry-wet method. The dry method, also known as the thermal method, uses the different melting points, boiling points and vapor pressures of various metals or metal oxides to separate, evaporate and condense them at different temperatures to achieve the purpose of resource recovery and reuse; wet methods The method is to use the characteristics of heavy metal salts in waste batteries to easily react with acids to generate various soluble salts, and then use electrolysis to separate and purify zinc, manganese dioxide and other types of heavy metals in the battery; the dry and wet method is Combine the advantages of dry and wet methods. Most of the existing treatment methods have the disadvantages of incomplete recovery or high treatment costs. This study aims at producing organic chelated trace element fertilizers from waste zinc-manganese batteries. It uses a rotary kiln to pyrolyze waste zinc-manganese batteries, studies the mercury removal effect under different conditions, and analyzes its residue characteristics.
1Test equipment and test methods
1.1 Test equipment and materials
1.2 Test methods
2 test methods
2.1 Determination of main influencing factors in the test
2.2 Orthogonal experimental design
3 Test results and analysis
3.1 Effect of pyrolysis conditions on mercury removal rate
3.2 Form and distribution of mercury in absorption liquid
3.3 Exhaust gas analysis
3.4 X-ray diffraction test of scrap zinc-manganese battery powder before and after pyrolysis
4 Conclusion
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