SU264377A1 - METHOD OF OBTAINING COMPLEX SALT - Google Patents
METHOD OF OBTAINING COMPLEX SALTInfo
- Publication number
- SU264377A1 SU264377A1 SU1296431A SU1296431A SU264377A1 SU 264377 A1 SU264377 A1 SU 264377A1 SU 1296431 A SU1296431 A SU 1296431A SU 1296431 A SU1296431 A SU 1296431A SU 264377 A1 SU264377 A1 SU 264377A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- calcium
- urea
- complex salt
- nitrate
- nitrite
- Prior art date
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Изобретение относитс к способам получени комплексных солей на Основе мочев1И,ны, примен емых дл борьбы с гололедом.The invention relates to methods for the preparation of urea-based complex salts, which are used to combat ice.
Известен способ получени двойной соли кальциевой селитры и мочевины путем растворени кристаллической .мочевины :в плаве кальциевой селитры при 115-125°С с последующим охлаждением и кристаллизацией полученного продукта при 60-80°С.A known method of producing double salt of calcium nitrate and urea by dissolving crystalline urea: in melt calcium nitrate at 115-125 ° C, followed by cooling and crystallization of the resulting product at 60-80 ° C.
С целью расширени ассортимента комплексных солей, в ллав мочевины ввод т нитрит-нитрат кальци в мол рпом соотношении мочевины и HHTpMT-HnTpaTe кальци 4 ; 1- 1 : 1.In order to expand the range of complex salts, calcium nitrite-nitrate is introduced into the urea lithium in the molar ratio of urea and calcium HHTpMT-HnTpaTe 4; 1-1: 1.
Пример. В плав мочевины концентрацией 92% при 120°С ввод т кристаллический .нитрит-литрат кальци , содержащий 40- 45 мол. о/(, нитрата кальци и 60-55 мол. % нитрита кальци . Смесь, содержащую мочевину и нитрит-нитрат кальци в соотношеНИИ 4 : 1 - 1 : I, сплавл ют при 90-110°С в течение 30 мин.Example. Crystalline calcium nitrite-litrate containing 40-45 mol. Is introduced into the urea melt at a concentration of 92% at 120 ° C. o / (calcium nitrate and 60-55 mol.% calcium nitrite. The mixture containing urea and calcium nitrite in the ratio of 4: 1-1: I is fused at 90-110 ° C for 30 minutes.
Полученный .продукт охлаждают, кристаллизуют в сушилке кристаллизатора при 40°С до содержани остаточной влаги до 1%.The product obtained is cooled, crystallized in a crystallizer dryer at 40 ° C to a residual moisture content of up to 1%.
Комплексна соль иитрит-,нитрат кальци и мочевины .представл ет собой мелкие кристаллы белого цвета со светло-лселтым оттенкомсоставаСа (МОз)з-Са(КЮ-)24CO (NHa)2.The complex salt of nitrite, calcium nitrate and urea. Is a small white crystal with a light yellow grain of Ca (MO3) h-Ca (KU-) 24CO (NHa) 2.
Содержание мочевины 28-40%, содержание нитрит-нитрат кальци (соотношение 1:1) 37-65%, содержание влаги до 1э/о, т. пл. 100°С, т. разл. 110°С, эвтектическа точка -22°С.The urea content is 28–40%, the calcium nitrite – nitrate content (1: 1 ratio) is 37–65%, the moisture content is up to 1 e / o, so pl. 100 ° C, so decomp. 110 ° С, eutectic point -22 ° С.
Полученна соль примен етс дл борьбы с гололедом и может быть использована как ингибитор черных и цветных металлов.The resulting salt is used to combat icing and can be used as an inhibitor of ferrous and non-ferrous metals.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1296431A SU264377A1 (en) | 1969-01-09 | 1969-01-09 | METHOD OF OBTAINING COMPLEX SALT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1296431A SU264377A1 (en) | 1969-01-09 | 1969-01-09 | METHOD OF OBTAINING COMPLEX SALT |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU864088549A Addition SU1342744A2 (en) | 1986-05-11 | 1986-05-11 | Mould for making centrifugal articles with symmetrical unround cross-section from concrete mixes |
Publications (1)
Publication Number | Publication Date |
---|---|
SU264377A1 true SU264377A1 (en) | 1970-03-03 |
Family
ID=39183200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1296431A SU264377A1 (en) | 1969-01-09 | 1969-01-09 | METHOD OF OBTAINING COMPLEX SALT |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU264377A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0790287A1 (en) * | 1996-02-14 | 1997-08-20 | S.A. CICA Compagnie Industrielle de Chimie Appliquée | Thawing composition |
-
1969
- 1969-01-09 SU SU1296431A patent/SU264377A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0790287A1 (en) * | 1996-02-14 | 1997-08-20 | S.A. CICA Compagnie Industrielle de Chimie Appliquée | Thawing composition |
BE1009971A3 (en) * | 1996-02-14 | 1997-11-04 | Cica Compagnie Ind De Chimie A | Icing agent. |
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