NO129126B - - Google Patents
Download PDFInfo
- Publication number
- NO129126B NO129126B NO04857/68A NO485768A NO129126B NO 129126 B NO129126 B NO 129126B NO 04857/68 A NO04857/68 A NO 04857/68A NO 485768 A NO485768 A NO 485768A NO 129126 B NO129126 B NO 129126B
- Authority
- NO
- Norway
- Prior art keywords
- reaction mixture
- ammonia
- reaction
- zone
- section
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 193
- 229910021529 ammonia Inorganic materials 0.000 claims description 87
- 239000011541 reaction mixture Substances 0.000 claims description 83
- 238000002156 mixing Methods 0.000 claims description 55
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 229910001868 water Inorganic materials 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 239000010802 sludge Substances 0.000 claims description 20
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 18
- 150000003863 ammonium salts Chemical class 0.000 claims description 17
- 239000007791 liquid phase Substances 0.000 claims description 17
- 239000003337 fertilizer Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000001103 potassium chloride Substances 0.000 claims description 9
- 235000011164 potassium chloride Nutrition 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 7
- 150000007513 acids Chemical class 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 2
- 235000011151 potassium sulphates Nutrition 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims 1
- 239000012258 stirred mixture Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000002253 acid Substances 0.000 description 25
- 239000000047 product Substances 0.000 description 20
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 16
- 239000002426 superphosphate Substances 0.000 description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 238000004898 kneading Methods 0.000 description 9
- 125000005341 metaphosphate group Chemical group 0.000 description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000007480 spreading Effects 0.000 description 6
- 238000003892 spreading Methods 0.000 description 6
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 5
- 229910000389 calcium phosphate Inorganic materials 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 235000019691 monocalcium phosphate Nutrition 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000004254 Ammonium phosphate Substances 0.000 description 4
- 235000019289 ammonium phosphates Nutrition 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 3
- ROPDWRCJTIRLTR-UHFFFAOYSA-L calcium metaphosphate Chemical compound [Ca+2].[O-]P(=O)=O.[O-]P(=O)=O ROPDWRCJTIRLTR-UHFFFAOYSA-L 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 1
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 108010074506 Transfer Factor Proteins 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- OQZCJRJRGMMSGK-UHFFFAOYSA-M potassium metaphosphate Chemical compound [K+].[O-]P(=O)=O OQZCJRJRGMMSGK-UHFFFAOYSA-M 0.000 description 1
- 229940099402 potassium metaphosphate Drugs 0.000 description 1
- 239000001120 potassium sulphate Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000019983 sodium metaphosphate Nutrition 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
- A61B5/150496—Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68819067A | 1967-12-05 | 1967-12-05 | |
US68808567A | 1967-12-05 | 1967-12-05 | |
US68813267A | 1967-12-05 | 1967-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO129126B true NO129126B (de) | 1974-03-04 |
Family
ID=27418502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO04857/68A NO129126B (de) | 1967-12-05 | 1968-12-04 |
Country Status (15)
Country | Link |
---|---|
BE (1) | BE725011A (de) |
BR (1) | BR6804631D0 (de) |
CA (1) | CA928600A (de) |
CH (1) | CH480057A (de) |
DE (3) | DE1818046C2 (de) |
DK (1) | DK122430B (de) |
ES (1) | ES361060A1 (de) |
FI (1) | FI53362C (de) |
FR (1) | FR1593474A (de) |
IE (1) | IE32583B1 (de) |
IL (1) | IL31211A (de) |
NL (1) | NL6817366A (de) |
NO (1) | NO129126B (de) |
RO (1) | RO57807A (de) |
SE (1) | SE350843B (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1009110A (en) * | 1971-04-30 | 1977-04-26 | Abbott Laboratories | Blood collecting assembly |
FR2268707B1 (de) * | 1974-04-26 | 1976-12-17 | Becton Dickinson France | |
US4106497A (en) * | 1977-02-04 | 1978-08-15 | Becton, Dickinson And Company | Multiple sample needle assembly with indicator means |
DE2828088A1 (de) * | 1978-06-27 | 1980-01-10 | Riedel De Haen Ag | Vorrichtung zur kontaminationsfreien probenahme von fluessigkeiten |
DE2948653C2 (de) * | 1979-12-04 | 1984-01-05 | Walter Sarstedt Kunststoff-Spritzgußwerk, 5223 Nümbrecht | Blutentnahmevorrichtung |
DE3049503C2 (de) * | 1980-12-30 | 1983-04-28 | Walter Sarstedt Kunststoff-Spritzgußwerk, 5223 Nümbrecht | "Blutentnahmevorrichtung" |
DE8504693U1 (de) * | 1985-02-20 | 1986-01-02 | KABE Labortechnik GmbH, 5223 Nümbrecht | Blutentnahmevorrichtung |
DE4019197A1 (de) * | 1990-06-15 | 1992-01-02 | Charles Dr Med Bannerman | Kanuele zur blutentnahme und zur injektion |
IT1246994B (it) * | 1991-01-10 | 1994-12-12 | Diesse Diagnostica | Tappo perforabile atto al prelievo del sangue con dispositivi a doppio ago in provette sotto vuoto |
IL101680A (en) * | 1992-04-23 | 1995-08-31 | Travenol Lab Israel Ltd | Blood sampling device |
DE19617000C1 (de) * | 1996-04-27 | 1998-01-22 | Sarstedt Walter Geraete | Blutentnahmevorrichtung mit einem eine Kanüle aufweisenden Halter |
DE10028482B4 (de) | 2000-06-08 | 2004-09-16 | Kabe-Labortechnik Gmbh | Behältnis für die Entnahme von Proben und insbesondere Blutproben |
DE20301575U1 (de) | 2003-01-31 | 2003-06-05 | Sarstedt Ag & Co | Blutentnahmevorrichtung mit einem eine Kanüle aufweisenden Halter |
CN104470432B (zh) * | 2012-08-02 | 2016-10-12 | 张建铭 | 具有针尖保护的针筒式真空采血器 |
CN104470433B (zh) * | 2012-08-02 | 2017-07-14 | 张建铭 | 具有留置导管的整体式真空采血装置 |
CN104470436B (zh) * | 2012-08-02 | 2017-04-26 | 张建铭 | 整体式真空采血装置 |
WO2014063344A1 (zh) * | 2012-10-26 | 2014-05-01 | Zhang Jianming | 具有针尖保护套的整体式真空采血装置 |
WO2014063347A1 (zh) * | 2012-10-26 | 2014-05-01 | Zhang Jianming | 具有针尖保护套的自动撤针整体式真空采血装置 |
ES2675824B1 (es) * | 2017-01-12 | 2019-04-29 | Biotechnology Inst I Mas D Sl | Dispositivo contenedor para la recoleccion, el almacenamiento y el procesado de sangre o de un compuesto sanguineo |
-
1968
- 1968-11-21 CA CA035816A patent/CA928600A/en not_active Expired
- 1968-11-27 FR FR1593474D patent/FR1593474A/fr not_active Expired
- 1968-12-03 IL IL31211A patent/IL31211A/xx unknown
- 1968-12-03 SE SE16507/68A patent/SE350843B/xx unknown
- 1968-12-04 NO NO04857/68A patent/NO129126B/no unknown
- 1968-12-04 DK DK591668AA patent/DK122430B/da not_active IP Right Cessation
- 1968-12-04 DE DE1818046A patent/DE1818046C2/de not_active Expired
- 1968-12-04 NL NL6817366A patent/NL6817366A/xx unknown
- 1968-12-04 ES ES361060A patent/ES361060A1/es not_active Expired
- 1968-12-04 DE DE6809915U patent/DE6809915U/de not_active Expired
- 1968-12-04 DE DE1812742A patent/DE1812742C3/de not_active Expired
- 1968-12-05 CH CH1829968A patent/CH480057A/de not_active IP Right Cessation
- 1968-12-05 BR BR204631/68A patent/BR6804631D0/pt unknown
- 1968-12-05 IE IE1482/68A patent/IE32583B1/xx unknown
- 1968-12-05 BE BE725011D patent/BE725011A/xx not_active Expired
- 1968-12-05 FI FI3500/68A patent/FI53362C/fi active
- 1968-12-05 RO RO58401A patent/RO57807A/ro unknown
Also Published As
Publication number | Publication date |
---|---|
IL31211A0 (en) | 1969-02-27 |
IE32583L (en) | 1969-06-05 |
DE1812742A1 (de) | 1969-07-03 |
DE1812742C3 (de) | 1980-04-10 |
ES361060A1 (es) | 1970-12-01 |
SE350843B (de) | 1972-11-06 |
RO57807A (de) | 1975-03-15 |
DE1818046C2 (de) | 1980-10-23 |
BR6804631D0 (pt) | 1973-04-26 |
FR1593474A (de) | 1970-05-25 |
FI53362B (de) | 1977-12-30 |
BE725011A (de) | 1969-05-16 |
DE1818046B1 (de) | 1980-03-13 |
IE32583B1 (en) | 1973-09-19 |
NL6817366A (de) | 1969-06-09 |
DE6809915U (de) | 1980-07-31 |
CA928600A (en) | 1973-06-19 |
DK122430B (da) | 1972-03-06 |
CH480057A (de) | 1969-10-31 |
IL31211A (en) | 1973-01-30 |
DE1812742B2 (de) | 1979-08-02 |
FI53362C (fi) | 1978-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO129126B (de) | ||
US1702729A (en) | Insulating material and process of making the same | |
CN107619203B (zh) | 一种活性氧化钙的生产方法 | |
US2837418A (en) | Processes for producing mixed fertilizers | |
CN104986747B (zh) | 二水磷酸氢二钠的制备方法 | |
US2976126A (en) | Apparatus for manufacturing mixed fertilizers | |
US2885279A (en) | Plant food manufacture | |
CN203048602U (zh) | 一种湿法磷酸生产工业级磷酸一铵的装置 | |
CN106660791B (zh) | 氟化氢的制造方法 | |
US4308049A (en) | Process for the absorption of ammonia in acid solutions or slurries | |
US1904170A (en) | Cyclic process for the production of sulphite pulp | |
NO115382B (de) | ||
CN109734630B (zh) | 一种以硫铁矿为磺化起始剂生产磺酸盐类表面活性剂或硫酸盐类表面活性剂的方法 | |
US1204700A (en) | Apparatus for hydrating lime. | |
US1924041A (en) | Process of manufacturing alpha product containing ammonium nitrate and calcium carbonate | |
US2053266A (en) | Manufacture of calcium phosphates | |
WO2017176165A1 (ru) | Способ получения комплексных минеральных удобрений из фосфатной руды и установка для его реализации | |
CN107151005B (zh) | 一种高密度无水磷酸氢二钾的制备装置及制备方法 | |
US807609A (en) | Process for hydrating lime. | |
US1930883A (en) | Process for the manufacture of fertilizers | |
PL148179B1 (en) | Method of obtaining sulfur dioxide and burnt lime | |
US2635955A (en) | Constant | |
CN213726472U (zh) | 磷酸一铵生产中的中和浓缩反应装置 | |
GB458478A (en) | Improvements in or relating to the manufacture of super-phosphates or mixed fertilizers | |
CN213726374U (zh) | 一种工业级磷酸一铵生产的料浆加热装置 |