Abstract
Lithium is a rare element, and widely used in manufacturing, electronics, medicine, and etc. One of the important lithium compounds is lithium peroxide. It is a component of regenerating products to protect the human respiratory system from damaging factors of chemical and biological nature. This paper describes the methods of obtaining the lithium peroxide. All industrial techniques for the synthesis of lithium peroxide are presented. A critical assessment of these techniques is given. A new wasteless synthesis technology of lithium peroxide from Hydrogen Peroxide and Lithium Hydroxide in Aqueous-Organic Medium is presented. This technology allows obtaining the pure product containing Li 2 O 2 up to 94 %. The possibility of the solvent regeneration by the anhydrous lithium hydroxide has been shown. The yield of the lithium – 98 % and a significant reduction in solvent consumption per unit of finished product has been obtained.
Highlights
IntroductionAn identifying characteristic of inorganic peroxide compounds is the ability to produce oxygen in the active form by reaction with carbon dioxide and noxious impurities (human body waste products)
The inorganic peroxide compounds based on rare, radioactive, and especially alkali metals have a wide range of industrial applications [1, 2].An identifying characteristic of inorganic peroxide compounds is the ability to produce oxygen in the active form by reaction with carbon dioxide and noxious impurities
That is why they are widely used in life-support systems (LSS), i.e. where a person is forced to stay and work in submarines, shelters, spaceships cabin that are isolated from the environment [4,5,6]
Summary
An identifying characteristic of inorganic peroxide compounds is the ability to produce oxygen in the active form by reaction with carbon dioxide and noxious impurities (human body waste products). That is why they are widely used in life-support systems (LSS), i.e. where a person is forced to stay and work in submarines, shelters, spaceships cabin that are isolated from the environment [4,5,6]. The development of new environmentally friendly technologies to obtain peroxide compounds of high purity on an industrial scale is a challenge by the present day. The synthesis method Li2O2 proposed by Forkran has not undergone significant change by present day
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