CA1090491A - Flottation en deux etapes des eaux usees - Google Patents

Flottation en deux etapes des eaux usees

Info

Publication number: CA1090491A
Authority: CA; Canada
Prior art keywords: wastewater; stage; bubbles; floc; basin
Prior art date: 1976-12-21
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

Application number

CA293,463A

Other languages

English (en)

Inventor

Ogden A. Clemens

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dravo Corp

Original Assignee

Dravo Corp

Priority date (The priority date 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 date listed.)

1976-12-21

Filing date

1977-12-20

Publication date

1980-11-25

1977-12-20 Application filed by Dravo Corp filed Critical Dravo Corp

1980-11-25 Application granted granted Critical

1980-11-25 Publication of CA1090491A publication Critical patent/CA1090491A/fr

Status Expired legal-status Critical Current

Links

239000002351 wastewater Substances 0.000 title claims abstract description 131
238000005188 flotation Methods 0.000 title claims abstract description 41
239000000701 coagulant Substances 0.000 claims abstract description 35
229910052751 metal Inorganic materials 0.000 claims abstract description 26
239000002184 metal Substances 0.000 claims abstract description 26
230000003247 decreasing effect Effects 0.000 claims abstract description 3
238000000034 method Methods 0.000 claims description 37
239000007789 gas Substances 0.000 claims description 22
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
238000011144 upstream manufacturing Methods 0.000 claims description 17
150000002500 ions Chemical class 0.000 claims description 15
239000000126 substance Substances 0.000 claims description 4
238000012546 transfer Methods 0.000 claims description 4
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
238000009792 diffusion process Methods 0.000 claims description 3
239000001257 hydrogen Substances 0.000 claims description 3
229910052739 hydrogen Inorganic materials 0.000 claims description 3
150000007522 mineralic acids Chemical class 0.000 claims description 3
229920000867 polyelectrolyte Polymers 0.000 claims description 3
230000005465 channeling Effects 0.000 claims description 2
238000004891 communication Methods 0.000 claims description 2
230000006854 communication Effects 0.000 claims description 2
230000003467 diminishing effect Effects 0.000 claims 1
230000036961 partial effect Effects 0.000 claims 1
239000007787 solid Substances 0.000 abstract description 18
239000002131 composite material Substances 0.000 abstract description 16
229910052500 inorganic mineral Inorganic materials 0.000 abstract description 9
239000011707 mineral Substances 0.000 abstract description 9
239000002253 acid Substances 0.000 abstract description 7
239000000463 material Substances 0.000 abstract description 7
238000005345 coagulation Methods 0.000 abstract description 4
230000015271 coagulation Effects 0.000 abstract description 4
230000000704 physical effect Effects 0.000 abstract 1
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 26
238000012360 testing method Methods 0.000 description 14
XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 11
230000009467 reduction Effects 0.000 description 11
238000011282 treatment Methods 0.000 description 10
230000008569 process Effects 0.000 description 9
239000012632 extractable Substances 0.000 description 7
239000003925 fat Substances 0.000 description 7
239000003921 oil Substances 0.000 description 7
229920000642 polymer Polymers 0.000 description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
230000007423 decrease Effects 0.000 description 6
238000000926 separation method Methods 0.000 description 6
230000004888 barrier function Effects 0.000 description 5
235000013372 meat Nutrition 0.000 description 5
239000012615 aggregate Substances 0.000 description 4
238000004458 analytical method Methods 0.000 description 4
238000005352 clarification Methods 0.000 description 4
238000012856 packing Methods 0.000 description 4
239000002245 particle Substances 0.000 description 4
239000013618 particulate matter Substances 0.000 description 4
238000005192 partition Methods 0.000 description 4
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
230000008901 benefit Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
229910052770 Uranium Inorganic materials 0.000 description 2
150000003926 acrylamides Chemical class 0.000 description 2
235000015278 beef Nutrition 0.000 description 2
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
239000000920 calcium hydroxide Substances 0.000 description 2
229910001861 calcium hydroxide Inorganic materials 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
229910001385 heavy metal Inorganic materials 0.000 description 2
RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
239000000203 mixture Substances 0.000 description 2
238000012545 processing Methods 0.000 description 2
102000004169 proteins and genes Human genes 0.000 description 2
108090000623 proteins and genes Proteins 0.000 description 2
SMNDYUVBFMFKNZ-UHFFFAOYSA-N 2-furoic acid Chemical compound OC(=O)C1=CC=CO1 SMNDYUVBFMFKNZ-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
241000283690 Bos taurus Species 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
229940037003 alum Drugs 0.000 description 1
229920001448 anionic polyelectrolyte Polymers 0.000 description 1
238000000149 argon plasma sintering Methods 0.000 description 1
MQTOSJVFKKJCRP-BICOPXKESA-N azithromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)N(C)C[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 MQTOSJVFKKJCRP-BICOPXKESA-N 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
235000010290 biphenyl Nutrition 0.000 description 1
150000004074 biphenyls Chemical class 0.000 description 1
229910052793 cadmium Inorganic materials 0.000 description 1
BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
230000006872 improvement Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000010842 industrial wastewater Substances 0.000 description 1
230000016507 interphase Effects 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
229910001510 metal chloride Inorganic materials 0.000 description 1
229910000000 metal hydroxide Inorganic materials 0.000 description 1
150000004692 metal hydroxides Chemical class 0.000 description 1
FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical class CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
125000005395 methacrylic acid group Chemical group 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
239000012452 mother liquor Substances 0.000 description 1
239000010841 municipal wastewater Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
235000015277 pork Nutrition 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
238000009877 rendering Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000004904 shortening Methods 0.000 description 1
238000003307 slaughter Methods 0.000 description 1
230000002311 subsequent effect Effects 0.000 description 1
150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
231100001234 toxic pollutant Toxicity 0.000 description 1
JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
239000002699 waste material Substances 0.000 description 1
239000003643 water by type Substances 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Landscapes

Physical Water Treatments (AREA)

CA293,463A 1976-12-21 1977-12-20 Flottation en deux etapes des eaux usees Expired CA1090491A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US75290776A	1976-12-21	1976-12-21
US752,907		1976-12-21

Publications (1)

Publication Number	Publication Date
CA1090491A true CA1090491A (fr)	1980-11-25

Family

ID=25028388

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA293,463A Expired CA1090491A (fr)	1976-12-21	1977-12-20	Flottation en deux etapes des eaux usees

Country Status (1)

Country	Link
CA (1)	CA1090491A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114229265A (zh) *	2021-12-01	2022-03-25	徐州锌浩精密机械科技有限公司	一种基于预先作用原理的生活垃圾收集装置

1977
- 1977-12-20 CA CA293,463A patent/CA1090491A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114229265A (zh) *	2021-12-01	2022-03-25	徐州锌浩精密机械科技有限公司	一种基于预先作用原理的生活垃圾收集装置

Legal Events

Date	Code	Title	Description
1997-11-25	MKEX	Expiry

Publication	Publication Date	Title
US3969245A (en)	1976-07-13	Electrocoagulation system for removing pollutants from wastewater
Rubio et al.	2007	Flotation in water and wastewater treatment and reuse: recent trends in Brazil
Bennett et al.	1988	The removal of oil from wastewater by air flotation: a review
CA1052480A (fr)	1979-04-10	Methode et materiel de depollution des eaux usees
US4031006A (en)	1977-06-21	Vortex coagulation means and method for wastewater clarification
US4203837A (en)	1980-05-20	Process for removal of discrete particulates and solutes from liquids by foam flotation
US4012319A (en)	1977-03-15	Waste water treatment
US3975269A (en)	1976-08-17	Purification of industrial waste waters by flotation
US3969203A (en)	1976-07-13	Waste water treatment
US5143625A (en)	1992-09-01	Method and apparatus for clarifying liquid using a pulsating sludge bed and part of concentrated sludge
Palaniandy et al.	2017	Dissolved air flotation (DAF) for wastewater treatment
Hyde et al.	1977	Water clarification by flotation
CN107082526A (zh)	2017-08-22	一种废乳化液的预处理方法
US4219417A (en)	1980-08-26	Wastewater flotation utilizing streaming potential adjustment
EP1497230A1 (fr)	2005-01-19	Procede d'installation d'un appareil d'elimination de contaminants
US3510001A (en)	1970-05-05	Flotation chamber for cleaning sewage and the like
Shammas et al.	2010	Principles of air flotation technology
Colic et al.	2007	The development and application of centrifugal flotation systems in wastewater treatment
US4214987A (en)	1980-07-29	Two stage wastewater flotation
Welz et al.	2007	Oil removal from industrial wastewater using flotation in a mechanically agitated flotation cell
Steiner et al.	1992	Plant experience using hydrogen peroxide for enhanced fat flotation and BOD removal
CA1090491A (fr)	1980-11-25	Flottation en deux etapes des eaux usees
US4202767A (en)	1980-05-13	Process and device for the purification of waste water by means of electroflotation
CA1069856A (fr)	1980-01-15	Traitement des eaux usees au moyen de microbulles
US3816274A (en)	1974-06-11	Removal of dissolved or suspended solids in waste water

CA1090491A - Flottation en deux etapes des eaux usees - Google Patents

Info

Links

Landscapes

Applications Claiming Priority (2)

Publications (1)

Family

ID=25028388

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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