CA1091830A - Flottation des eaux usees - Google Patents

Flottation des eaux usees

Info

Publication number: CA1091830A
Authority: CA; Canada
Prior art keywords: water; wastewater; bubbles; catch basin; flocs
Prior art date: 1977-02-11
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

CA293,867A

Other languages

English (en)

Inventor

Ernest R. Ramirez

Dennis L. Johnson

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.)

1977-02-11

Filing date

1977-12-23

Publication date

1980-12-16

1977-12-23 Application filed by Dravo Corp filed Critical Dravo Corp

1980-12-16 Application granted granted Critical

1980-12-16 Publication of CA1091830A publication Critical patent/CA1091830A/fr

Status Expired legal-status Critical Current

Links

239000002351 wastewater Substances 0.000 claims abstract description 64
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
238000005188 flotation Methods 0.000 claims abstract description 32
239000000701 coagulant Substances 0.000 claims abstract description 26
229910052751 metal Inorganic materials 0.000 claims abstract description 22
239000002184 metal Substances 0.000 claims abstract description 22
239000002253 acid Substances 0.000 claims abstract description 21
229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 13
239000011707 mineral Substances 0.000 claims abstract description 13
238000005345 coagulation Methods 0.000 claims abstract description 12
230000015271 coagulation Effects 0.000 claims abstract description 12
230000000153 supplemental effect Effects 0.000 claims abstract description 9
238000000034 method Methods 0.000 claims description 39
150000002500 ions Chemical class 0.000 claims description 20
230000015572 biosynthetic process Effects 0.000 claims description 18
210000001161 mammalian embryo Anatomy 0.000 claims description 12
239000007789 gas Substances 0.000 claims description 10
238000011065 in-situ storage Methods 0.000 claims description 9
239000001257 hydrogen Substances 0.000 claims description 5
229910052739 hydrogen Inorganic materials 0.000 claims description 5
229910021645 metal ion Inorganic materials 0.000 claims description 4
230000004888 barrier function Effects 0.000 claims description 2
239000006185 dispersion Substances 0.000 claims description 2
239000000839 emulsion Substances 0.000 claims description 2
-1 hydro-gen ions Chemical class 0.000 claims description 2
GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 2
238000000354 decomposition reaction Methods 0.000 claims 2
229940000425 combination drug Drugs 0.000 claims 1
229920000136 polysorbate Polymers 0.000 claims 1
230000007423 decrease Effects 0.000 abstract description 4
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
239000007787 solid Substances 0.000 description 20
238000005755 formation reaction Methods 0.000 description 14
229920000642 polymer Polymers 0.000 description 13
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
239000012632 extractable Substances 0.000 description 8
230000008569 process Effects 0.000 description 8
238000011282 treatment Methods 0.000 description 8
239000003643 water by type Substances 0.000 description 8
239000002131 composite material Substances 0.000 description 7
239000007788 liquid Substances 0.000 description 7
150000007522 mineralic acids Chemical class 0.000 description 7
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
230000009467 reduction Effects 0.000 description 6
229910052725 zinc Inorganic materials 0.000 description 6
239000011701 zinc Substances 0.000 description 6
229940037003 alum Drugs 0.000 description 5
230000008901 benefit Effects 0.000 description 5
239000002245 particle Substances 0.000 description 5
238000011144 upstream manufacturing Methods 0.000 description 5
235000008733 Citrus aurantifolia Nutrition 0.000 description 4
235000011941 Tilia x europaea Nutrition 0.000 description 4
239000002585 base Substances 0.000 description 4
238000005352 clarification Methods 0.000 description 4
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 4
229910000360 iron(III) sulfate Inorganic materials 0.000 description 4
239000004571 lime Substances 0.000 description 4
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
230000003247 decreasing effect Effects 0.000 description 3
238000005868 electrolysis reaction Methods 0.000 description 3
229910001385 heavy metal Inorganic materials 0.000 description 3
239000000463 material Substances 0.000 description 3
150000004692 metal hydroxides Chemical class 0.000 description 3
239000003921 oil Substances 0.000 description 3
238000000926 separation method Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
150000003926 acrylamides Chemical class 0.000 description 2
238000007792 addition Methods 0.000 description 2
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
239000003925 fat Substances 0.000 description 2
150000004679 hydroxides Chemical class 0.000 description 2
238000011221 initial treatment Methods 0.000 description 2
235000013372 meat Nutrition 0.000 description 2
229910000000 metal hydroxide Inorganic materials 0.000 description 2
239000013618 particulate matter Substances 0.000 description 2
238000005192 partition Methods 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000000523 sample Substances 0.000 description 2
238000004065 wastewater treatment Methods 0.000 description 2
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
102100024133 Coiled-coil domain-containing protein 50 Human genes 0.000 description 1
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
101000910772 Homo sapiens Coiled-coil domain-containing protein 50 Proteins 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
229910052770 Uranium Inorganic materials 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
238000000149 argon plasma sintering Methods 0.000 description 1
238000011021 bench scale process Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
235000010290 biphenyl Nutrition 0.000 description 1
150000004074 biphenyls Chemical class 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
239000008157 edible vegetable oil Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005518 electrochemistry Effects 0.000 description 1
238000004945 emulsification Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000003295 industrial effluent Substances 0.000 description 1
239000010842 industrial wastewater Substances 0.000 description 1
239000008235 industrial water Substances 0.000 description 1
150000007529 inorganic bases Chemical class 0.000 description 1
230000016507 interphase Effects 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
230000002101 lytic effect Effects 0.000 description 1
230000003340 mental effect Effects 0.000 description 1
229910001510 metal chloride Inorganic materials 0.000 description 1
FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical class CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
239000012452 mother liquor Substances 0.000 description 1
239000011238 particulate composite Substances 0.000 description 1
150000002989 phenols Chemical class 0.000 description 1
229920000867 polyelectrolyte Polymers 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
102000004169 proteins and genes Human genes 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
238000005086 pumping Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
239000000725 suspension Substances 0.000 description 1
231100001234 toxic pollutant Toxicity 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Landscapes

Separation Of Suspended Particles By Flocculating Agents (AREA)
Physical Water Treatments (AREA)

CA293,867A 1977-02-11 1977-12-23 Flottation des eaux usees Expired CA1091830A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US76781777A	1977-02-11	1977-02-11
US767,817		1977-02-11

Publications (1)

Publication Number	Publication Date
CA1091830A true CA1091830A (fr)	1980-12-16

Family

ID=25080682

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA293,867A Expired CA1091830A (fr)	1977-02-11	1977-12-23	Flottation des eaux usees

Country Status (1)

Country	Link
CA (1)	CA1091830A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2003086977A1 (fr)	2002-04-09	2003-10-23	Institut National De La Recherche Scientifique	Procedes et appareils de traitement d'engrais animal

1977
- 1977-12-23 CA CA293,867A patent/CA1091830A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2003086977A1 (fr)	2002-04-09	2003-10-23	Institut National De La Recherche Scientifique	Procedes et appareils de traitement d'engrais animal
US7156999B2 (en)	2002-04-09	2007-01-02	Institut National De La Recherche Scientifique	Methods and apparatus for treating animal manure

Legal Events

Date	Code	Title	Description
1997-12-16	MKEX	Expiry

Publication	Publication Date	Title
US11286188B2 (en)	2022-03-29	Automated wastewater treatment system and methods
US4031006A (en)	1977-06-21	Vortex coagulation means and method for wastewater clarification
US4071447A (en)	1978-01-31	Dewatering of wastewater treatment wastes
CA1052480A (fr)	1979-04-10	Methode et materiel de depollution des eaux usees
US3756933A (en)	1973-09-04	Method of purifying sewage efluent and apparatus therefor
US4490259A (en)	1984-12-25	Flotation apparatus and process utilizing a novel mixing and floc dispersion means
US4012319A (en)	1977-03-15	Waste water treatment
EP0814885B1 (fr)	1998-11-18	Procede et equipement de separation de particules non solubles d'un liquide
US5143625A (en)	1992-09-01	Method and apparatus for clarifying liquid using a pulsating sludge bed and part of concentrated sludge
WO2015002397A1 (fr)	2015-01-08	Dispositif de flottation à l'air dissous
US3969203A (en)	1976-07-13	Waste water treatment
US4219417A (en)	1980-08-26	Wastewater flotation utilizing streaming potential adjustment
EP0629178A1 (fr)	1994-12-21	Appareil pour traiter des effluents
US6077441A (en)	2000-06-20	Mineral recovery processes
DE3412217A1 (de)	1985-10-10	Verfahren und verfahrensanordnung zur reinigung von rohwasser durch entspannungsflotation bei gleichzeitiger filtration
JP4918703B2 (ja)	2012-04-18	濁水の処理方法
US4214987A (en)	1980-07-29	Two stage wastewater flotation
KR101773379B1 (ko)	2017-09-12	사이클론을 포함하는 수평형 유도가스 부상분리를 이용한 유수처리 장치 및 그 방법
CA1091830A (fr)	1980-12-16	Flottation des eaux usees
US4202767A (en)	1980-05-13	Process and device for the purification of waste water by means of electroflotation
US3816274A (en)	1974-06-11	Removal of dissolved or suspended solids in waste water
CA1069856A (fr)	1980-01-15	Traitement des eaux usees au moyen de microbulles
FI95234C (fi)	1996-08-13	Menetelmä ja laite vesiliuosten tai vastaavien puhdistamiseksi
JPH0215275B2 (fr)	1990-04-11
CA1090491A (fr)	1980-11-25	Flottation en deux etapes des eaux usees