SU582236A1 - Method of preparing superphosphate - Google Patents

Method of preparing superphosphate

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Publication number
SU582236A1
SU582236A1 SU7602312704A SU2312704A SU582236A1 SU 582236 A1 SU582236 A1 SU 582236A1 SU 7602312704 A SU7602312704 A SU 7602312704A SU 2312704 A SU2312704 A SU 2312704A SU 582236 A1 SU582236 A1 SU 582236A1
Authority
SU
USSR - Soviet Union
Prior art keywords
superphosphate
preparing
suspension
reactor
steam
Prior art date
Application number
SU7602312704A
Other languages
Russian (ru)
Inventor
Борис Аронович Копылев
Залман Хаимович Марказен
Нисын Самойлович Гарсун
Михаил Айзикович Драновский
Роман Иванович Шеремета
Лев Яковлевич Гамбург
Наталья Михайловна Каменская
Тамара Васильевна Лаврова
Original Assignee
Ленинградский Государственный Научно-Исследовательский И Проектный Институт Основной Химической Промышленности
Ленинградский Технологический Институт Имени Ленсовета Ордена Трудового Красного Знамени
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.)
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Application filed by Ленинградский Государственный Научно-Исследовательский И Проектный Институт Основной Химической Промышленности, Ленинградский Технологический Институт Имени Ленсовета Ордена Трудового Красного Знамени filed Critical Ленинградский Государственный Научно-Исследовательский И Проектный Институт Основной Химической Промышленности
Priority to SU7602312704A priority Critical patent/SU582236A1/en
Application granted granted Critical
Publication of SU582236A1 publication Critical patent/SU582236A1/en

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Description

(54) СПОСОБ ПОЛУЧЕНИЯ СУПЕРФОСФАТА(54) METHOD FOR PRODUCING SUPERPHOSPHATE

интенсивного перемешивани  и барботажа паром суперфосфатна  масса разжижаетс .vigorous stirring and bubbling with steam, the superphosphate mass is liquefied.

Общее врем  пребывани  в реакторе составл ет 30 мин, температура поднимаетс  до 118°С. К концу пребывани  в реакторе степень разложени  апатита достигает 92% и в газовую фаз} выдел етс  дополнительно 1,1 вес. ч. фтора (в виде SiF и HF) и 25,1 вес. ч. воды.The total residence time in the reactor is 30 minutes, the temperature rises to 118 ° C. By the end of their stay in the reactor, the degree of decomposition of apatite reaches 92% and an additional 1.1 wt. Is released into the gas phase}. including fluorine (in the form of SiF and HF) and 25.1 weight. h of water.

Потер  воды компенсируетс  введением эквивалентного количества пара, в результате чего влажность суспензии практически не мен етс  и составл ет 32% по . При такой влажности количество жидкой фазы (с учетом свободной кислотности и растворимых фосфатов) составл ет 126,4 вес. ч. на 252,8 вес. ч. суспензии и таким образом Ж : Т равно 1: 1. В этих услови х суспензи  сохран ет достаточную подвижность и может быть передана на гранул цию пульповым насосом.The loss of water is compensated by the introduction of an equivalent amount of steam, as a result of which the moisture content of the suspension remains almost unchanged and is 32%. At this humidity, the amount of the liquid phase (taking into account the free acidity and soluble phosphates) is 126.4 wt. hours 252,8 weight. including suspension and thus G: T is 1: 1. Under these conditions, the suspension retains sufficient mobility and can be transferred to the granulation by a pulp pump.

Claims (2)

1.Патент США № 2504546, кл. 71-40, 1960.1. US patent number 2504546, cl. 71-40, 1960. 2.Авторское свидетельство СССР №421679, кл. 16,5, 1964.2. USSR author's certificate No. 421679, cl. 16.5, 1964.
SU7602312704A 1976-01-12 1976-01-12 Method of preparing superphosphate SU582236A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU7602312704A SU582236A1 (en) 1976-01-12 1976-01-12 Method of preparing superphosphate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7602312704A SU582236A1 (en) 1976-01-12 1976-01-12 Method of preparing superphosphate

Publications (1)

Publication Number Publication Date
SU582236A1 true SU582236A1 (en) 1977-11-30

Family

ID=20645058

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7602312704A SU582236A1 (en) 1976-01-12 1976-01-12 Method of preparing superphosphate

Country Status (1)

Country Link
SU (1) SU582236A1 (en)

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