FR2500433A1 - Procede de traitement a la chaux des matieres de vidange d'installations d'assainissement individuelles - Google Patents
Procede de traitement a la chaux des matieres de vidange d'installations d'assainissement individuelles Download PDFInfo
- Publication number
- FR2500433A1 FR2500433A1 FR8103497A FR8103497A FR2500433A1 FR 2500433 A1 FR2500433 A1 FR 2500433A1 FR 8103497 A FR8103497 A FR 8103497A FR 8103497 A FR8103497 A FR 8103497A FR 2500433 A1 FR2500433 A1 FR 2500433A1
- Authority
- FR
- France
- Prior art keywords
- lime
- treated
- liquid phase
- supernatant liquid
- contained
- 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.)
- Granted
Links
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 13
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 13
- 239000004571 lime Substances 0.000 title claims abstract description 13
- 239000010802 sludge Substances 0.000 title abstract description 11
- 238000009434 installation Methods 0.000 title abstract description 5
- 239000010865 sewage Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract 3
- 239000000920 calcium hydroxide Substances 0.000 claims abstract 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract 3
- 239000000292 calcium oxide Substances 0.000 claims abstract 2
- 235000012255 calcium oxide Nutrition 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 10
- 239000006228 supernatant Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 244000052616 bacterial pathogen Species 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims 6
- 239000002994 raw material Substances 0.000 claims 4
- 239000012071 phase Substances 0.000 claims 3
- -1 phospho Chemical class 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000001143 conditioned effect Effects 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8103497A FR2500433A1 (fr) | 1981-02-23 | 1981-02-23 | Procede de traitement a la chaux des matieres de vidange d'installations d'assainissement individuelles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8103497A FR2500433A1 (fr) | 1981-02-23 | 1981-02-23 | Procede de traitement a la chaux des matieres de vidange d'installations d'assainissement individuelles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2500433A1 true FR2500433A1 (fr) | 1982-08-27 |
| FR2500433B3 FR2500433B3 (OSRAM) | 1984-01-06 |
Family
ID=9255497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8103497A Granted FR2500433A1 (fr) | 1981-02-23 | 1981-02-23 | Procede de traitement a la chaux des matieres de vidange d'installations d'assainissement individuelles |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2500433A1 (OSRAM) |
-
1981
- 1981-02-23 FR FR8103497A patent/FR2500433A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2500433B3 (OSRAM) | 1984-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |