JPS6372397A - 廃水の生物学的脱窒法 - Google Patents

Info

Publication number

JPS6372397A

JPS6372397A JP12980787A JP12980787A JPS6372397A JP S6372397 A JPS6372397 A JP S6372397A JP 12980787 A JP12980787 A JP 12980787A JP 12980787 A JP12980787 A JP 12980787A JP S6372397 A JPS6372397 A JP S6372397A

Authority

JP

Japan

Prior art keywords

denitrification

denitrifying

wastewater

aerobic

medium

Prior art date

1987-05-28

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.)

Granted

Links

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• 239000002351 wastewater Substances 0.000 title claims abstract description 24
• 238000000034 method Methods 0.000 claims abstract description 64
• 241000894006 Bacteria Species 0.000 claims abstract description 40
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 15
• 230000007423 decrease Effects 0.000 claims abstract description 11
• 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
• 208000035404 Autolysis Diseases 0.000 claims description 14
• 206010057248 Cell death Diseases 0.000 claims description 14
• 230000028043 self proteolysis Effects 0.000 claims description 14
• 230000029087 digestion Effects 0.000 claims description 8
• 239000007788 liquid Substances 0.000 claims description 5
• 238000001514 detection method Methods 0.000 claims description 4
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
• 239000001301 oxygen Substances 0.000 claims description 3
• 229910052760 oxygen Inorganic materials 0.000 claims description 3
• 230000003287 optical effect Effects 0.000 claims 1
• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 30
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
• 238000012546 transfer Methods 0.000 abstract description 8
• 230000018044 dehydration Effects 0.000 abstract description 3
• 238000006297 dehydration reaction Methods 0.000 abstract description 3
• 229910002651 NO3 Inorganic materials 0.000 abstract 3
• NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 3
• 238000000354 decomposition reaction Methods 0.000 abstract 1
• 238000006396 nitration reaction Methods 0.000 abstract 1
• 230000000644 propagated effect Effects 0.000 abstract 1
• 230000001580 bacterial effect Effects 0.000 description 6
• 238000007796 conventional method Methods 0.000 description 3
• 230000001546 nitrifying effect Effects 0.000 description 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
• 238000010586 diagram Methods 0.000 description 2
• 238000012545 processing Methods 0.000 description 2
• 239000004576 sand Substances 0.000 description 2
• 238000004065 wastewater treatment Methods 0.000 description 2
• 244000061354 Manilkara achras Species 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000002474 experimental method Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 239000010800 human waste Substances 0.000 description 1
• 239000010842 industrial wastewater Substances 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 244000005700 microbiome Species 0.000 description 1
• 229910017464 nitrogen compound Inorganic materials 0.000 description 1
• 150000002830 nitrogen compounds Chemical class 0.000 description 1
• 238000006864 oxidative decomposition reaction Methods 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 230000002062 proliferating effect Effects 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 230000000717 retained effect Effects 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• 239000010802 sludge Substances 0.000 description 1
• 239000008399 tap water Substances 0.000 description 1
• 235000020679 tap water Nutrition 0.000 description 1
• 238000002834 transmittance Methods 0.000 description 1

Cited By (1)