FIELD: chemistry.
SUBSTANCE: invention relates to applied chemistry and specifically to filtration materials (FM) based on natural sand, intended for making filters for cleaning of high-temperature gases from fine particles and slag formations in gas generators on solid fuels.
EFFECT: proposed FM contains sodium glass (or its mixture with potassium glass), sodium silicofluoride, and natural sand with particle size 5/10 mm to 1 mm, filtration material is characterised by improved reproducibility of main characteristics, smaller size of pores, higher strength, preservation of mechanical properties at high air humidity, availability, low price; it has good technological and operational properties.
2 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| FILTRATION MATERIAL | 2010 |
|
RU2429898C1 |
| COLD NITROGEN GENERATOR | 2010 |
|
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|
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| METHOD OF STABILIZATION OF BOTTOM-HOLE PRODUCING FORMATION ZONES | 1999 |
|
RU2172811C2 |
