CA1040122A - Fabrication de bio-polymeres a partir d'algues - Google Patents

Fabrication de bio-polymeres a partir d'algues

Info

Publication number: CA1040122A
Authority: CA; Canada
Prior art keywords: algae; nitrogen; flocculant; culture; growth
Prior art date: 1973-12-04
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

CA215,204A

Other languages

English (en)

Other versions

CA215204S (en

Inventor

Paula Schenck

Samuel Fogel

Patricia L. Foster

William W. Walker (Jr.)

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.)

American Bioculture Inc

Original Assignee

American Bioculture Inc

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.)

1973-12-04

Filing date

1974-12-04

Publication date

1978-10-10

1974-12-04 Application filed by American Bioculture Inc filed Critical American Bioculture Inc

1978-10-10 Application granted granted Critical

1978-10-10 Publication of CA1040122A publication Critical patent/CA1040122A/fr

Status Expired legal-status Critical Current

Links

229920000642 polymer Polymers 0.000 title claims abstract description 16
238000004519 manufacturing process Methods 0.000 title abstract description 32
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 130
229910052757 nitrogen Inorganic materials 0.000 claims abstract description 65
241000195493 Cryptophyta Species 0.000 claims abstract description 58
235000015097 nutrients Nutrition 0.000 claims abstract description 39
230000012010 growth Effects 0.000 claims abstract description 37
239000002609 medium Substances 0.000 claims abstract description 35
230000003311 flocculating effect Effects 0.000 claims abstract description 14
239000001963 growth medium Substances 0.000 claims abstract description 7
230000001747 exhibiting effect Effects 0.000 claims abstract description 3
229960005419 nitrogen Drugs 0.000 claims description 63
230000001413 cellular effect Effects 0.000 claims description 36
239000008394 flocculating agent Substances 0.000 claims description 33
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
238000000034 method Methods 0.000 claims description 28
238000012258 culturing Methods 0.000 claims description 21
229910002092 carbon dioxide Inorganic materials 0.000 claims description 16
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 15
235000011941 Tilia x europaea Nutrition 0.000 claims description 15
239000004571 lime Substances 0.000 claims description 15
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
241000195585 Chlamydomonas Species 0.000 claims description 11
241001136280 Chlamydomonas mexicana Species 0.000 claims description 11
239000000463 material Substances 0.000 claims description 11
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
239000011574 phosphorus Substances 0.000 claims description 8
229910052698 phosphorus Inorganic materials 0.000 claims description 8
239000001569 carbon dioxide Substances 0.000 claims description 7
241000195649 Chlorella <Chlorellales> Species 0.000 claims description 6
229920001222 biopolymer Polymers 0.000 claims description 5
230000001737 promoting effect Effects 0.000 claims description 3
239000007787 solid Substances 0.000 claims description 3
239000002351 wastewater Substances 0.000 claims description 3
241000192700 Cyanobacteria Species 0.000 claims description 2
230000001112 coagulating effect Effects 0.000 claims 1
230000002950 deficient Effects 0.000 abstract description 5
230000003698 anagen phase Effects 0.000 abstract description 4
230000007812 deficiency Effects 0.000 abstract description 2
229920006158 high molecular weight polymer Polymers 0.000 abstract description 2
230000014616 translation Effects 0.000 abstract 1
210000004027 cell Anatomy 0.000 description 39
239000002689 soil Substances 0.000 description 39
239000005995 Aluminium silicate Substances 0.000 description 19
235000012211 aluminium silicate Nutrition 0.000 description 18
150000001720 carbohydrates Chemical class 0.000 description 17
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 17
235000014633 carbohydrates Nutrition 0.000 description 16
230000000694 effects Effects 0.000 description 13
238000005189 flocculation Methods 0.000 description 13
230000016615 flocculation Effects 0.000 description 13
239000000725 suspension Substances 0.000 description 12
239000004927 clay Substances 0.000 description 11
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 9
230000003287 optical effect Effects 0.000 description 9
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
239000000203 mixture Substances 0.000 description 8
239000002245 particle Substances 0.000 description 8
229920001282 polysaccharide Polymers 0.000 description 7
239000005017 polysaccharide Substances 0.000 description 7
150000004804 polysaccharides Chemical class 0.000 description 7
238000011110 re-filtration Methods 0.000 description 7
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
238000002156 mixing Methods 0.000 description 6
230000000717 retained effect Effects 0.000 description 6
239000000243 solution Substances 0.000 description 6
241000894007 species Species 0.000 description 6
241000196324 Embryophyta Species 0.000 description 5
230000002776 aggregation Effects 0.000 description 5
238000004220 aggregation Methods 0.000 description 5
238000001914 filtration Methods 0.000 description 5
229910052742 iron Inorganic materials 0.000 description 5
FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 5
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
241000195652 Auxenochlorella pyrenoidosa Species 0.000 description 4
KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
229960004424 carbon dioxide Drugs 0.000 description 4
JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 4
229920001467 poly(styrenesulfonates) Polymers 0.000 description 4
239000000047 product Substances 0.000 description 4
238000012360 testing method Methods 0.000 description 4
235000007091 Chlorella pyrenoidosa Nutrition 0.000 description 3
229920002307 Dextran Polymers 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
RJGDLRCDCYRQOQ-UHFFFAOYSA-N anthrone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3CC2=C1 RJGDLRCDCYRQOQ-UHFFFAOYSA-N 0.000 description 3
230000001580 bacterial effect Effects 0.000 description 3
238000005119 centrifugation Methods 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
239000003085 diluting agent Substances 0.000 description 3
231100000673 dose–response relationship Toxicity 0.000 description 3
230000002349 favourable effect Effects 0.000 description 3
230000008595 infiltration Effects 0.000 description 3
238000001764 infiltration Methods 0.000 description 3
239000011785 micronutrient Substances 0.000 description 3
235000013369 micronutrients Nutrition 0.000 description 3
230000035515 penetration Effects 0.000 description 3
229960002796 polystyrene sulfonate Drugs 0.000 description 3
239000011970 polystyrene sulfonate Substances 0.000 description 3
230000008569 process Effects 0.000 description 3
230000001105 regulatory effect Effects 0.000 description 3
239000010865 sewage Substances 0.000 description 3
229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
235000017557 sodium bicarbonate Nutrition 0.000 description 3
239000000126 substance Substances 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
230000005526 G1 to G0 transition Effects 0.000 description 2
241000091577 Mexicana Species 0.000 description 2
CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
229930006000 Sucrose Natural products 0.000 description 2
239000011149 active material Substances 0.000 description 2
238000005273 aeration Methods 0.000 description 2
230000004931 aggregating effect Effects 0.000 description 2
235000019270 ammonium chloride Nutrition 0.000 description 2
239000012736 aqueous medium Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
230000003750 conditioning effect Effects 0.000 description 2
238000005553 drilling Methods 0.000 description 2
239000011521 glass Substances 0.000 description 2
239000003102 growth factor Substances 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
150000002632 lipids Chemical class 0.000 description 2
238000005259 measurement Methods 0.000 description 2
239000013028 medium composition Substances 0.000 description 2
230000000243 photosynthetic effect Effects 0.000 description 2
235000010333 potassium nitrate Nutrition 0.000 description 2
108090000623 proteins and genes Proteins 0.000 description 2
102000004169 proteins and genes Human genes 0.000 description 2
239000002994 raw material Substances 0.000 description 2
230000009467 reduction Effects 0.000 description 2
230000000241 respiratory effect Effects 0.000 description 2
238000007873 sieving Methods 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
210000002325 somatostatin-secreting cell Anatomy 0.000 description 2
238000010561 standard procedure Methods 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000000758 substrate Substances 0.000 description 2
239000005720 sucrose Substances 0.000 description 2
239000011573 trace mineral Substances 0.000 description 2
235000013619 trace mineral Nutrition 0.000 description 2
230000009105 vegetative growth Effects 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
PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
241000894006 Bacteria Species 0.000 description 1
241000282994 Cervidae Species 0.000 description 1
239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 1
101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
239000004606 Fillers/Extenders Substances 0.000 description 1
241000192130 Leuconostoc mesenteroides Species 0.000 description 1
241001465754 Metazoa Species 0.000 description 1
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
229910017621 MgSO4-7H2O Inorganic materials 0.000 description 1
241000108056 Monas Species 0.000 description 1
102000035195 Peptidases Human genes 0.000 description 1
108091005804 Peptidases Proteins 0.000 description 1
229920005372 Plexiglas® Polymers 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
229920000615 alginic acid Polymers 0.000 description 1
229960001126 alginic acid Drugs 0.000 description 1
235000010443 alginic acid Nutrition 0.000 description 1
239000000783 alginic acid Substances 0.000 description 1
150000004781 alginic acids Chemical class 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
238000003556 assay Methods 0.000 description 1
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
230000010261 cell growth Effects 0.000 description 1
230000015271 coagulation Effects 0.000 description 1
238000005345 coagulation Methods 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000003599 detergent Substances 0.000 description 1
ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
235000019797 dipotassium phosphate Nutrition 0.000 description 1
235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
239000000975 dye Substances 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000012065 filter cake Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
239000004519 grease Substances 0.000 description 1
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
238000007654 immersion Methods 0.000 description 1
230000003834 intracellular effect Effects 0.000 description 1
238000012886 linear function Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
210000004379 membrane Anatomy 0.000 description 1
239000012528 membrane Substances 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
239000002207 metabolite Substances 0.000 description 1
239000011707 mineral Substances 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
-1 nitro- Chemical class 0.000 description 1
229910017464 nitrogen compound Inorganic materials 0.000 description 1
150000002830 nitrogen compounds Chemical class 0.000 description 1
238000000053 physical method Methods 0.000 description 1
229920002401 polyacrylamide Polymers 0.000 description 1
239000004323 potassium nitrate Substances 0.000 description 1
235000021134 protein-rich food Nutrition 0.000 description 1
229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 1
230000010076 replication Effects 0.000 description 1
230000021749 root development Effects 0.000 description 1
239000000523 sample Substances 0.000 description 1
239000004576 sand Substances 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
239000002002 slurry Substances 0.000 description 1
229940006186 sodium polystyrene sulfonate Drugs 0.000 description 1
238000004856 soil analysis Methods 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
230000002194 synthesizing effect Effects 0.000 description 1
229920001059 synthetic polymer Polymers 0.000 description 1
230000007704 transition Effects 0.000 description 1
235000013343 vitamin Nutrition 0.000 description 1
239000011782 vitamin Substances 0.000 description 1
229940088594 vitamin Drugs 0.000 description 1
229930003231 vitamin Natural products 0.000 description 1
238000004065 wastewater treatment Methods 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
- 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
- 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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing

Landscapes

Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Organic Chemistry (AREA)
Water Supply & Treatment (AREA)
Hydrology & Water Resources (AREA)
Microbiology (AREA)
Marine Sciences & Fisheries (AREA)
Botany (AREA)
Biotechnology (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Biodiversity & Conservation Biology (AREA)
Environmental Sciences (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)
Soil Conditioners And Soil-Stabilizing Materials (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Apparatus Associated With Microorganisms And Enzymes (AREA)
Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

CA215,204A 1973-12-04 1974-12-04 Fabrication de bio-polymeres a partir d'algues Expired CA1040122A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US42152773A	1973-12-04	1973-12-04

Publications (1)

Publication Number	Publication Date
CA1040122A true CA1040122A (fr)	1978-10-10

Family

ID=23670908

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA215,204A Expired CA1040122A (fr)	1973-12-04	1974-12-04	Fabrication de bio-polymeres a partir d'algues

Country Status (13)

Country	Link
JP (1)	JPS50105880A (fr)
AU (1)	AU510007B2 (fr)
BE (1)	BE822947A (fr)
BR (1)	BR7410082A (fr)
CA (1)	CA1040122A (fr)
DE (1)	DE2457325A1 (fr)
ES (1)	ES432537A1 (fr)
FR (1)	FR2253091B3 (fr)
GB (1)	GB1496346A (fr)
IL (1)	IL46188A0 (fr)
IT (1)	IT1026745B (fr)
NL (1)	NL7415821A (fr)
ZA (1)	ZA747631B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8400816D0 (en) *	1984-01-12	1984-02-15	Univ Birmingham	Flocculating agent

1974
- 1974-11-29 ZA ZA00747631A patent/ZA747631B/xx unknown
- 1974-12-02 AU AU75950/74A patent/AU510007B2/en not_active Expired
- 1974-12-03 FR FR7439558A patent/FR2253091B3/fr not_active Expired
- 1974-12-03 BR BR1008274A patent/BR7410082A/pt unknown
- 1974-12-03 ES ES432537A patent/ES432537A1/es not_active Expired
- 1974-12-03 IT IT3012074A patent/IT1026745B/it active
- 1974-12-04 IL IL46188A patent/IL46188A0/xx unknown
- 1974-12-04 GB GB52398/74A patent/GB1496346A/en not_active Expired
- 1974-12-04 BE BE151157A patent/BE822947A/fr unknown
- 1974-12-04 JP JP13855474A patent/JPS50105880A/ja active Pending
- 1974-12-04 NL NL7415821A patent/NL7415821A/xx not_active Application Discontinuation
- 1974-12-04 CA CA215,204A patent/CA1040122A/fr not_active Expired
- 1974-12-04 DE DE19742457325 patent/DE2457325A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
FR2253091A1 (fr)	1975-06-27
AU510007B2 (en)	1980-06-05
BR7410082A (pt)	1976-06-08
IL46188A0 (en)	1975-03-13
ZA747631B (en)	1975-12-31
AU7595074A (en)	1976-06-03
FR2253091B3 (fr)	1977-08-26
ES432537A1 (es)	1977-01-01
GB1496346A (en)	1977-12-30
IT1026745B (it)	1978-10-20
BE822947A (fr)	1975-04-01
JPS50105880A (fr)	1975-08-20
DE2457325A1 (de)	1975-06-05
NL7415821A (nl)	1975-06-06

Publication	Publication Date	Title
US3958364A (en)	1976-05-25	Production of algal bio-polymers
EP0246281B1 (fr)	1992-01-08	Compositions microbiennes et procede de traitement de la terre
Sim et al.	1988	Comparison of centrifugation, dissolved air flotation and drum filtration techniques for harvesting sewage-grown algae
Avnimelech et al.	1982	Mutual flocculation of algae and clay: evidence and implications
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