DED0013092MA - - Google Patents

Info

Publication number

DED0013092MA

DED0013092MA DED0013092MA DE D0013092M A DED0013092M A DE D0013092MA DE D0013092M A DED0013092M A DE D0013092MA

Authority

DE

Germany

Prior art keywords

air

germs

sand

ground

sand filter

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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• 239000004576 sand Substances 0.000 claims description 13
• 244000052616 bacterial pathogen Species 0.000 claims description 12
• 238000000034 method Methods 0.000 claims description 10
• 239000007789 gas Substances 0.000 claims description 5
• 238000004140 cleaning Methods 0.000 claims description 2
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
• 239000002689 soil Substances 0.000 description 5
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
• 239000007788 liquid Substances 0.000 description 2
• 230000000717 retained effect Effects 0.000 description 2
• 235000011121 sodium hydroxide Nutrition 0.000 description 2
• 239000002253 acid Substances 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 230000000844 anti-bacterial effect Effects 0.000 description 1
• 238000005260 corrosion Methods 0.000 description 1
• 230000007797 corrosion Effects 0.000 description 1
• 230000003670 easy-to-clean Effects 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 230000002070 germicidal effect Effects 0.000 description 1
• 230000001771 impaired effect Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000002311 subsequent effect Effects 0.000 description 1
• 238000005496 tempering Methods 0.000 description 1
• 238000009423 ventilation Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1