Waste-free technology of dimensional digestion of aluminum alloys with regeneration of the pickling solution


The development is aimed at preventing environmental pollution with highly concentrated alkaline waste technological solutions, rational use of natural resources.


Machine and aircraft building enterprises.


The developed technology corresponds to the level of world analogues and allows increasing the productivity of the pickling section by 10-15% and reducing the cost of processing products by 20-25%.


The essence of the development lies in the destruction of sodium aluminate, which accumulates in the solution during the etching of aluminum alloys, and in the continuous removal of aluminum in the form of aluminum hydroxide from the solution, which, after adjustment, is returned to the technological process, and the removed aluminum hydroxide is used to make coagulants for water purification.

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