FIELD: preservative technology. SUBSTANCE: carbon or silicon-containing high-porous adsorbents are treated with sulfur dioxide. EFFECT: simplified technology and reduced expenses.
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2213085C2 |
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|
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| METHOD OF PREPARING ZEOLITE TYPE L FOR CATALYST USED FOR HYDROCARBON AROMATIZATION | 1992 |
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|
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|
RU2090502C1 |
