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RU98123193A - FERTILIZER BASED ON CALCIUM NITRATE - Google Patents

FERTILIZER BASED ON CALCIUM NITRATE

Info

Publication number
RU98123193A
RU98123193A RU98123193/12A RU98123193A RU98123193A RU 98123193 A RU98123193 A RU 98123193A RU 98123193/12 A RU98123193/12 A RU 98123193/12A RU 98123193 A RU98123193 A RU 98123193A RU 98123193 A RU98123193 A RU 98123193A
Authority
RU
Russia
Prior art keywords
fertilizer
calcium nitrate
particles
granulation
temperature
Prior art date
Application number
RU98123193/12A
Other languages
Russian (ru)
Other versions
RU2162073C2 (en
Inventor
Торстейн Обрестад
Йоханне Редсвик
Торбьерн Легар
Original Assignee
Норск Хюдро Аса
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.)
Filing date
Publication date
Priority claimed from NO962119A external-priority patent/NO305939B1/en
Application filed by Норск Хюдро Аса filed Critical Норск Хюдро Аса
Publication of RU98123193A publication Critical patent/RU98123193A/en
Application granted granted Critical
Publication of RU2162073C2 publication Critical patent/RU2162073C2/en

Links

Claims (9)

1. Способ получения удобрений на основе нитрата кальция, содержащих серу, отличающийся тем, что твердый гипс и/или медленно реагирующий сульфатный минерал смешивают с расплавленным удобрением нитрата кальция при температуре 90-110°С, выдерживают при этой температуре в течение 3-15 мин, и затем при температуре 80-110°С получают частицы.1. A method of producing fertilizers based on calcium nitrate containing sulfur, characterized in that solid gypsum and / or slowly reacting sulfate mineral is mixed with molten fertilizer of calcium nitrate at a temperature of 90-110 ° C, kept at this temperature for 3-15 minutes and then, at a temperature of 80-110 ° C., particles are obtained. 2. Способ по п. 1, отличающийся тем, что 4-23 маc.% гипса, относительно всей композиции, смешивают с расплавленным удобрением нитрата кальция при 103-106°С при перемешивании и выдерживают при этой температуре в течение 5-10 мин, и из полученной таким образом пульпы получают частицы путем гранулирования отверждением капель или гранулирования. 2. The method according to p. 1, characterized in that 4-23 wt.% Gypsum, relative to the whole composition, is mixed with molten fertilizer of calcium nitrate at 103-106 ° C with stirring and kept at this temperature for 5-10 minutes, and from the pulps thus obtained, particles are obtained by granulation by droplet curing or granulation. 3. Способ по п. 1, отличающийся тем, что 4-23 мас.% твердого кизерита смешивают при перемешивании с расплавленным удобрением нитрата кальция в течение 6-12 мин, и затем из полученной таким образом пульпы получают частицы. 3. The method according to p. 1, characterized in that 4-23 wt.% Solid kieserite is mixed with stirring with molten fertilizer of calcium nitrate for 6-12 minutes, and then particles are obtained from the pulp thus obtained. 4. Способ по п. 1, отличающийся тем, что получение частиц путем гранулирования отверждением капель проводят при 95-110°С, и получение частиц гранулированием проводят при 90-110°С. 4. The method according to p. 1, characterized in that the production of particles by granulation by curing drops is carried out at 95-110 ° C, and the production of particles by granulation is carried out at 90-110 ° C. 5. Способ по п. 1, отличающийся тем, что к смеси перед получением частиц добавляют селен, кобальт и питательные микроэлементы, подобно марганцу, в виде растворов их солей. 5. The method according to p. 1, characterized in that selenium, cobalt and micronutrients, like manganese, are added to the mixture before the particles are obtained in the form of solutions of their salts. 6. Удобрение на основе нитрата кальция, содержащее серу, отличающееся тем, что удобрение представляет собой гомогенную композицию удобрения нитрата кальция и гипса и/или медленно реагирующего сульфатного минерала, содержащую 0,1-5,0 мас.% SO4-S, 14-19 маc.% водорастворимого кальция, 16-21 мас.% общего содержания кальция и 0-3,0 мас.% водорастворимого магния.6. Fertilizer based on calcium nitrate containing sulfur, characterized in that the fertilizer is a homogeneous composition of fertilizer calcium nitrate and gypsum and / or slowly reactive sulfate mineral containing 0.1-5.0 wt.% SO 4 -S, 14 -19 wt.% Water-soluble calcium, 16-21 wt.% The total content of calcium and 0-3.0 wt.% Water-soluble magnesium. 7. Удобрение по п. 6, отличающееся тем, что удобрение содержит 1,0-3,0 маc.% SO4-S.7. The fertilizer according to claim 6, characterized in that the fertilizer contains 1.0-3.0 wt.% SO 4 -S. 8. Удобрение по п. 6, отличающееся тем, что содержит 0,1-4,0 маc.% водорастворимого магния. 8. The fertilizer according to claim 6, characterized in that it contains 0.1-4.0 wt.% Water-soluble magnesium. 9. Удобрение по п. 6, отличающееся тем, что удобрение содержит микроколичества Se и/или Со, и/или питательные микроэлементы, подобные Mn, Сu, В и Zn. 9. The fertilizer according to claim 6, characterized in that the fertilizer contains trace amounts of Se and / or Co, and / or micronutrients like Mn, Cu, B and Zn.
RU98123193/12A 1996-05-24 1997-05-14 Calcium nitrate-based fertilizer and method of preparing thereof RU2162073C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO962119 1996-05-24
NO962119A NO305939B1 (en) 1996-05-24 1996-05-24 Method for the preparation of calcium nitrate-based yeast containing sulfur, and such yeast

Publications (2)

Publication Number Publication Date
RU98123193A true RU98123193A (en) 2000-10-20
RU2162073C2 RU2162073C2 (en) 2001-01-20

Family

ID=19899417

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98123193/12A RU2162073C2 (en) 1996-05-24 1997-05-14 Calcium nitrate-based fertilizer and method of preparing thereof

Country Status (13)

Country Link
US (1) US6171358B1 (en)
EP (1) EP0904257B1 (en)
AT (1) ATE195309T1 (en)
AU (1) AU2794697A (en)
CZ (1) CZ292236B6 (en)
DE (1) DE69702760D1 (en)
IL (1) IL127203A (en)
NO (1) NO305939B1 (en)
PL (1) PL185085B1 (en)
PT (1) PT904257E (en)
RO (1) RO117909B1 (en)
RU (1) RU2162073C2 (en)
WO (1) WO1997045382A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6319156B1 (en) * 1999-12-13 2001-11-20 John Marshall Biodegradable golf tee
KR20020008486A (en) * 2000-07-20 2002-01-31 강준구 Fertilizer for agriculture
PL200842B1 (en) * 2004-09-16 2009-02-27 Adam Nawrocki Method for the manufacture of calcium nitrate
PH12012500680A1 (en) * 2009-10-05 2015-07-31 Specialty Fertilizer Pro Llc Enhanced fertilizer products with polymer adjuvants
CN103254002A (en) * 2012-02-21 2013-08-21 吴兴国 Selenium-rich biological organic fertilizer containing ferment and medical stone
CN109153618A (en) * 2016-04-14 2019-01-04 亚拉国际有限公司 The graininess nitric acid calcium composition and preparation method thereof comprising the micronutrient based on nitrate for fertigation
CA2968257C (en) * 2017-05-24 2022-05-24 Inotel Inc. Potassium magnesium fertilizer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE203085C (en) *
DE397937C (en) * 1920-03-09 1924-07-03 Hoechst Ag Process for the production of a readily spreadable, non-water-attracting potash-nitrogen mixture
BE754561A (en) * 1969-08-09 1971-02-08 Badishe Anilin & Soda Fabrik DOUBLE CALCIUM NITRATE AND UREA SALT SUITABLE FOR GRANULAR SPREADING AND STORAGE
AT306754B (en) * 1971-03-29 1973-04-25 Chemie Linz Ag Granulated, sprayed or prilled fertilizer consisting mainly of free ammonium nitrate
JPS5327564A (en) 1976-08-25 1978-03-14 Kawasaki Heavy Ind Ltd Calcium nitrate fertilizer difficult to deliquesce and process for producing same
JPS5485957A (en) 1977-12-19 1979-07-09 Shimohiro Shiyuku Production of composite fertilizer
US5698002A (en) * 1994-11-21 1997-12-16 Lesco Inc. Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production

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