NO123669B - - Google Patents
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- Publication number
- NO123669B NO123669B NO0941/69A NO94169A NO123669B NO 123669 B NO123669 B NO 123669B NO 0941/69 A NO0941/69 A NO 0941/69A NO 94169 A NO94169 A NO 94169A NO 123669 B NO123669 B NO 123669B
- Authority
- NO
- Norway
- Prior art keywords
- phosphate
- cleavage
- evaporation
- acidic
- ammonia
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
- 238000003776 cleavage reaction Methods 0.000 claims description 11
- 230000007017 scission Effects 0.000 claims description 11
- 238000006386 neutralization reaction Methods 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 239000003337 fertilizer Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 229910052585 phosphate mineral Inorganic materials 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 description 17
- 239000010452 phosphate Substances 0.000 description 15
- 235000021317 phosphate Nutrition 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 12
- 239000011575 calcium Substances 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 239000001506 calcium phosphate Substances 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 3
- 239000005696 Diammonium phosphate Substances 0.000 description 3
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 3
- 229910000389 calcium phosphate Inorganic materials 0.000 description 3
- 235000011010 calcium phosphates Nutrition 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 3
- 235000019838 diammonium phosphate Nutrition 0.000 description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 description 3
- 239000006012 monoammonium phosphate Substances 0.000 description 3
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 2
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 2
- 229940038472 dicalcium phosphate Drugs 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 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
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Advancing Webs (AREA)
- Fertilizers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6803410A NL6803410A (de) | 1968-03-09 | 1968-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO123669B true NO123669B (de) | 1971-12-27 |
| NO123669C NO123669C (de) | 1976-07-08 |
Family
ID=19802986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO941/69A NO123669C (de) | 1968-03-09 | 1969-03-06 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3614338A (de) |
| AT (1) | AT290158B (de) |
| BE (1) | BE729600A (de) |
| BR (1) | BR6906933D0 (de) |
| CH (1) | CH504754A (de) |
| DE (1) | DE1908508C3 (de) |
| DK (1) | DK118410B (de) |
| ES (1) | ES364475A1 (de) |
| FR (1) | FR2003592A1 (de) |
| GB (1) | GB1187575A (de) |
| NL (1) | NL6803410A (de) |
| NO (1) | NO123669C (de) |
| SE (1) | SE356659B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725606A (en) * | 1971-05-17 | 1973-04-03 | Electronic Processors Inc | Rotating magnetic tape head having air cushion support for the tape |
| JPS518004B2 (de) * | 1972-08-18 | 1976-03-12 | ||
| US3890641A (en) * | 1972-09-01 | 1975-06-17 | Int Video Corp | Helical scan magnetic tape transport system including vacuum column tension control and helical scanner air bearing |
| US3981024A (en) * | 1973-04-25 | 1976-09-14 | International Video Corporation | Helical scan head drum with helical grooves for generating an air bearing |
| US3996615A (en) * | 1974-04-08 | 1976-12-07 | International Business Machines Corporation | Rotary air bearing head with leading edge controlling air bearing |
| US4012792A (en) * | 1975-08-11 | 1977-03-15 | Eastman Kodak Company | Magnetic head drum configuration having a friction reducing helical step |
| JPS5951066B2 (ja) * | 1978-04-17 | 1984-12-12 | ソニー株式会社 | 記録再生装置 |
| US4194661A (en) * | 1978-12-11 | 1980-03-25 | Bell & Howell Company | Tape advancing methods and apparatus |
| JPS5665354A (en) * | 1979-10-29 | 1981-06-03 | Hitachi Ltd | Structure of magnetic tape run system |
| KR20060047013A (ko) * | 2004-11-12 | 2006-05-18 | 삼성전자주식회사 | 자기기록재생장치의 헤드드럼 조립체 |
| US7460332B2 (en) * | 2006-04-07 | 2008-12-02 | International Business Machines Corporation | Tape roller guide with integral recording head |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL277005A (de) * | 1962-04-09 | |||
| US3333753A (en) * | 1965-06-17 | 1967-08-01 | Ampex | Helical scan magnetic tape apparatus with a squeeze film bearing |
| US3436491A (en) * | 1966-12-27 | 1969-04-01 | Ampex | Helical scan recorder with tapered drum to prevent oxide build-up |
| US3482232A (en) * | 1967-01-05 | 1969-12-02 | North American Rockwell | Transducer positioning member having hydrostatic bearing supports |
-
1968
- 1968-03-09 NL NL6803410A patent/NL6803410A/xx unknown
-
1969
- 1969-02-20 DE DE1908508A patent/DE1908508C3/de not_active Expired
- 1969-02-28 US US803255*A patent/US3614338A/en not_active Expired - Lifetime
- 1969-03-06 SE SE03099/69A patent/SE356659B/xx unknown
- 1969-03-06 BR BR206933/69A patent/BR6906933D0/pt unknown
- 1969-03-06 GB GB01956/69A patent/GB1187575A/en not_active Expired
- 1969-03-06 AT AT220269A patent/AT290158B/de not_active IP Right Cessation
- 1969-03-06 DK DK125669AA patent/DK118410B/da unknown
- 1969-03-06 NO NO941/69A patent/NO123669C/no unknown
- 1969-03-06 CH CH338269A patent/CH504754A/de not_active IP Right Cessation
- 1969-03-07 BE BE729600D patent/BE729600A/xx unknown
- 1969-03-07 ES ES364475A patent/ES364475A1/es not_active Expired
- 1969-03-10 FR FR6906688A patent/FR2003592A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3614338A (en) | 1971-10-19 |
| AT290158B (de) | 1971-05-25 |
| DE1908508A1 (de) | 1969-10-09 |
| DE1908508B2 (de) | 1973-05-10 |
| SE356659B (de) | 1973-05-28 |
| BE729600A (de) | 1969-09-08 |
| BR6906933D0 (pt) | 1973-01-18 |
| GB1187575A (en) | 1970-04-08 |
| DK118410B (da) | 1970-08-17 |
| NO123669C (de) | 1976-07-08 |
| ES364475A1 (es) | 1971-02-01 |
| DE1908508C3 (de) | 1974-10-31 |
| NL6803410A (de) | 1969-09-11 |
| FR2003592A1 (de) | 1969-11-07 |
| CH504754A (de) | 1971-03-15 |
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