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DE source extraction: (wet old lithium battery recycling technology Hydrochloric acid system) Extraction of manganese cobalt nickel breakthrough

by:Deyuan      2020-08-06
Beginning in 2018 China's new energy vehicle power battery will enter phase of large-scale retirement. In 2020, according to measured scrap 4. 62 GWH ternary battery, 23 GWH lithium iron phosphate batteries, corresponding to 148. 200 million market space.

waste lithium battery recycling value is high, the ternary material containing cobalt, manganese, nickel and other metal elements for our country is relatively scarce, high import dependence and high prices continue rising metal resources, waste lithium electricity of recycled aggregates. 。 。







( Cover: DE source extraction: (wet old lithium battery recycling technology Hydrochloric acid system) Extraction of manganese cobalt nickel breakthrough)







began in 2018 China's new energy vehicle power battery will enter phase of large-scale retirement. In 2020, according to measured scrap 4. 62 GWH ternary battery, 23 GWH lithium iron phosphate batteries, corresponding to 148. 200 million market space.

waste lithium battery recycling value is high, the ternary material containing cobalt, manganese, nickel and other metal elements for our country is relatively scarce, high import dependence and high prices continue rising metal resources, waste li-ion battery recycling contains a lot of business opportunities.

the old lithium battery recycling technology basic mature, mainly includes: broken apart, material separation, metal separation and purification steps. The metal recovery rate and purity can reach more than 90%, basic ternary material recovery value is high, with a large economic benefit.

graph: wet lithium batteries three process routes of the yuan's total

zhengzhou DE source extraction technology co. , LTD. , as a domestic hydrometallurgy extraction equipment research and manufacturers of metal for many years continuously explore the old battery recycling technology, zhengzhou DE source extraction company adopts mechanical + + centrifugal extraction by wet process, the choice of hydrochloric acid, sulfuric acid leaching system methods, such as production of nickel hydroxide, nickel cobalt manganese hydroxide, implements the effective recycling of waste batteries.

graph: wet the old battery recycling process flow diagram ( Hydrochloric acid system)
the hydrochloric acid lithium battery recycling extraction technology has obvious advantages compared with other system features:

( 1) Closed-circuit circulation, without waste water output;
 
  ( 2) Ammonium chloride by-products, convenient for sale;
 
  ( 3) Cobalt manganese acid system extraction, reduce the neutralizing alkali consumption, easy separation;
 
  ( 4) Inhibiting the production of chlorine leaching process.
 
  ( 5) Can be a variety of metal products.

the main extraction equipment adopt the leading technology of centrifugal extraction machine, has obvious advantage of high efficiency, energy saving, and strong corrosion resistance, main show is:

( 1) Obvious effects of two phase materials under the action of centrifugal force to separate, large quantity, high mass transfer efficiency, high levels of efficiency;
 
  ( 2) Adopts hanging on the structure, processing area at the bottom of the bearing and mechanical seal, no leakage risk, free maintenance;
 
  ( 3) High energy saving effect. The same processing conditions, power consumption is 1/3 of the traditional centrifugal extraction machine - - - - 1/10;
 
  ( 4) Selection of perfluorinated polymeric materials, resistant to strong acid, hydrochloric acid, mixed acid and organic solvent corrosion;
 
  ( 5) Short contact time two phase material, save cost of extractant.
 
  ( 6) Centrifugal extraction machine cover an area of an area small, low comprehensive cost of investment.

environmental protection, harmless treatment of lithium battery accord with the requirement of sustainable development, therefore, in the policy, interests and responsibility of multiple power driven by power battery mainstream companies in the layout of the power battery recycling, waste lithium battery recycling field will achieve new development pattern in the future.


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