RU2015123204A

RU2015123204A - METHOD FOR PRODUCING "REKULTIVIN" ION EXCHANGE MIXTURE

Info

Publication number: RU2015123204A
Application number: RU2015123204A
Authority: RU
Inventors: Анатолий Николаевич Тихановский
Original assignee: Общество с ограниченной ответственностью "Ямальская аграрная наука"
Priority date: 2015-06-17
Filing date: 2015-06-17
Publication date: 2017-01-10
Also published as: RU2618701C2

Claims

1. The method of obtaining the ion-exchange mixture by mixing cationite-clinoptilolite and anion exchange resin, which consists in the fact that 88 wt.% Saturated clinoptilolite and 12 wt.% Saturated anion exchange resin are mixed, pre-treatment of clinoptilolite and anion exchange resin is carried out:

clinoptilolite use fractions of 0.3-0.4 mm,

fill it with water and saturate the solution with biogenic cations by adding clinoptilolite to the resulting solution with constant stirring of solid salts of potassium chloride, ammonium sulfate, seven-water magnesium sulfate,

then salts of trace elements and iron are added, the resulting solution is infused for 24 hours with periodic stirring,

then the solution is separated from saturated clinoptilolite,

washed twice with saturated clinoptilolite with water,

after the second washing, clinoptilolite is treated with a nutrient aqueous solution containing potassium nitrate, calcium nitrate, potassium dihydrogen phosphate, ammonium nitrate, hemihydrous magnesium sulfate, manganese chloride, copper sulfate, zinc sulfate, cobalt chloride,

the resulting mixture is insisted 1 day with periodic stirring, after which the solution is separated from saturated clinoptilolite,

the chloride ions present are displaced from the starting anion exchange resin with alkali, the pH of the solution is adjusted to a value of no more than 7.8,

then the ions of nutrients are introduced into the anion exchange resin: NO ₃ ^- , SO ₄ ^2- , H ₂ PO ₄ ^- , B ₄ O ₇ ^2- , MoO ₄ ^2- ,

add water and leave to swell for 2 hours,

sodium hydroxide is added to the saturation reactor and left to undergo a saturation reaction for 2 hours with periodic stirring,

after 2 hours, the solution is separated and two washing of the anion exchange resin is carried out with water, then

sodium hydroxide is added, kept for 2 hours with stirring, and then two washes are carried out and the anion exchange resin is added, to which water and potassium nitrate, potassium dihydrogen phosphate, sodium sulfate, sodium tetraborate, sodium molybdate are added, the resulting mixture is left for 1 day,

the solution is separated, the obtained anion exchange resin is washed, the pH of the anion exchange resin is measured,

at pH 6.7-7.2, the anion exchange resin is treated with an aqueous solution containing potassium nitrate, calcium nitrate, potassium dihydrogen phosphate, ammonium nitrate, seven-water magnesium sulfate, manganese chloride, copper sulfate, zinc sulfate, cobalt chloride, the resulting mixture is infused for 1 day with periodic stirring, after whereby the solution is separated from the anion exchange resin.

2. The method according to p. 1, which consists in the fact that as salts of trace elements and iron, nine-sodium iron sulfate, manganese chloride, copper sulfate, zinc sulfate, cobalt chloride are used.

3. The method according to p. 1, which consists in the fact that the separation of the solution from saturated clinoptilolite is carried out by decantation, followed by placing the zeolite on a sieve to separate the residual solution or by vacuum filtration on a filter.