CH418990A - Verfahren zum Klären von Abwasser - Google Patents
Verfahren zum Klären von AbwasserInfo
- Publication number
- CH418990A CH418990A CH67064A CH67064A CH418990A CH 418990 A CH418990 A CH 418990A CH 67064 A CH67064 A CH 67064A CH 67064 A CH67064 A CH 67064A CH 418990 A CH418990 A CH 418990A
- Authority
- CH
- Switzerland
- Prior art keywords
- acidic
- waste water
- added
- wastewater
- substance
- Prior art date
Links
- 239000002351 wastewater Substances 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 10
- 239000000126 substance Substances 0.000 claims description 18
- 230000002378 acidificating effect Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 235000019738 Limestone Nutrition 0.000 claims description 7
- 239000006028 limestone Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 5
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 description 6
- 235000011116 calcium hydroxide Nutrition 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 238000009924 canning Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000002767 Daucus carota Nutrition 0.000 description 1
- 244000000626 Daucus carota Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010902 straw 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH0048319 | 1963-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH418990A true CH418990A (de) | 1966-08-15 |
Family
ID=7156667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH67064A CH418990A (de) | 1963-02-21 | 1964-01-21 | Verfahren zum Klären von Abwasser |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT254084B (en, 2012) |
| BE (1) | BE643329A (en, 2012) |
| CH (1) | CH418990A (en, 2012) |
| LU (1) | LU45272A1 (en, 2012) |
| NL (1) | NL6401668A (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2294986A1 (fr) * | 1974-12-22 | 1976-07-16 | Agrotechnika Np | Procede et dispositif de purification d'eaux usees dans l'industrie et dans l'agriculture |
| FR2403300A1 (fr) * | 1976-07-08 | 1979-04-13 | Carvalho Rocky | Procede de traitement chimique d'eaux usees |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991002698A1 (en) * | 1989-08-16 | 1991-03-07 | Commonwealth Scientific And Industrial Research Organisation | Improved sewage treatment process |
-
1964
- 1964-01-21 CH CH67064A patent/CH418990A/de unknown
- 1964-01-22 LU LU45272D patent/LU45272A1/xx unknown
- 1964-02-04 BE BE643329A patent/BE643329A/xx unknown
- 1964-02-11 AT AT112164A patent/AT254084B/de active
- 1964-02-21 NL NL6401668A patent/NL6401668A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2294986A1 (fr) * | 1974-12-22 | 1976-07-16 | Agrotechnika Np | Procede et dispositif de purification d'eaux usees dans l'industrie et dans l'agriculture |
| FR2403300A1 (fr) * | 1976-07-08 | 1979-04-13 | Carvalho Rocky | Procede de traitement chimique d'eaux usees |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6401668A (en, 2012) | 1964-08-24 |
| BE643329A (en, 2012) | 1964-05-29 |
| AT254084B (de) | 1967-05-10 |
| LU45272A1 (en, 2012) | 1964-03-23 |
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