MODERNIZATION AND COMMISSIONING OF KRYPTON AND XENON PRODUCING PLANT
DOI:
https://doi.org/10.18198/j.ind.gases.2006.0226Keywords:
Krypton, Xenon, Thermal insulation, Adsorption, Freezer, Rectification, Gas analysisAbstract
It is reported about modernization and commissioning of krypton and xenon producing plant. In the course of modernization, modern materials, evacuating equipment, and high-precision measurement instrumentation have been used. On the temperature level 77–300 K, instead of pearlite and vacuum-shield insulation, polyurethane foam and basalt fiber have been applied. On the temperature level up to 400 °C, glass wool and asbestos have been replaced by basalt fiber, too. The plant scheme was complemented by a freezer, which enabled extending the term of protective action of the existing zeolite absorber, having reduced regeneration costs hereof. The plant processes at least 1500m3 of krypton-xenon concentrate per month. The krypton and xenon produced contain at least 99,9995 % of the ground substance. Total trace not exceed 5 ppm.
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