JP2579122C - - Google Patents
Info
- Publication number
- JP2579122C JP2579122C JP2579122C JP 2579122 C JP2579122 C JP 2579122C JP 2579122 C JP2579122 C JP 2579122C
- Authority
- JP
- Japan
- Prior art keywords
- tank
- nitrification
- nitrification tank
- screen
- activated sludge
- 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.)
- Expired - Lifetime
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 239000010865 sewage Substances 0.000 claims description 20
- 230000001546 nitrifying Effects 0.000 claims description 15
- 239000000969 carrier Substances 0.000 claims description 13
- 241000894006 Bacteria Species 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 37
- 239000007788 liquid Substances 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000008188 pellet Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 102000010637 Aquaporins Human genes 0.000 description 6
- 108010063290 Aquaporins Proteins 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011001 backwashing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003100 immobilizing Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Family
ID=
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