Recycling of lithium bromide solutions from absorption refrigeration plants

被引：0

作者：

Feja, Steffen ^{[1
]}

Krahl, Franziska ^{[1
]}

Palitzsch, Wolfram ^{[2
]}

Roever, Ingo ^{[2
]}

Jansen, Soenke ^{[3
]}

机构：

[1] ILK Dresden gGmbH, Bertolt Brecht Allee 20, D-01159 Dresden, Germany

[2] LuxChemtech GmbH, Alfred Lange Str 18, D-09599 Freiberg, Germany

[3] Johnson Controls, Bldg Efficiency, D-68309 Mannheim, Germany

来源：

15TH IIR-GUSTAV LORENTZEN CONFERENCE ON NATURAL REFRIGERANTS | 2022年

关键词：

Absorption refrigeration; Lithium bromide; Recycling; Inhibitors; Waste reduction; Circular economy;

D O I：

10.18462/iir.gl2022.0131

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Within a public funded project, processes for the regeneration of used lithium bromide solutions (LiBraq) were developed. The project initiates circular economy of lithium from absorption solutions and thus contributes to resource efficiency. It will be shown that concentrated salt solutions (originally to be disposed), containing corrosion inhibitors and corrosion products, can be converted into a regenerated stock solution. A batch process has been developed which generates a saleable new lithium bromide solution from waste solution that meets the required specifications of plant manufacturers. Results of the purification of lithium bromide solutions containing molybdate will be presented and the suitability of treated solutions for reuse in new absorption refrigeration plants will be evaluated.

引用

页码：1673 / 1682

页数：10

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