SU630225A1 - Method of purifying aqueous solution of sodium sulfate from metal ions and organic admixtures - Google Patents

Description

3

to about nts bmt r and c and s u lf f a t a

"Atrn, g: l1 b

KOITsIT-iron of iron, g /, 10.02

manganese chonzeitrazl. Mr. - .0.02 Concentration of organic

sundry, g / l2

Initial pH5

they are pumped (0.5 l: h} to a lolo-cutter ;, where the temperature of the water is up to 250 ° C. Water with the temperature of 250 ° C is distributed through the mixture, or where the air is supplied in the amount of 25 hl. The residence time and gas-liquid mixture i autoclave 1 hour. Liquid: -: e 1Repy (B: But withdrawn from the autoclave through a throttling device and body smear; z rzzerzuar-thicken. AIR is output through the air dowel circuit device from the atmosphere. Then the zod is filtered.

After filtration, the water has the following characteristics:

Concept for sula) at

and a three, g / l 158 Contains iron Ots tstlueg

The content of marga natz. G.: O.O.S .. Concentration of organic

compounds g / l

Final pH6

Concentration of succinate

sodium, g / l

Iron concentration, g / l Concentration of manganese, hl Concentration of organic

Nom.mesey, g / l 3 Nacheee rn

Iodine and pump into the iodine heater, where the temoturture of water is iodim. Under the influence of temperature, soluble oxygen irisststzin forms the main part of the summer, but it transfers from oxides. Cold water, g

four

:; i nodogrevats.t;: oh, 1: they want to eat this,; . | 5-s: tired:,.

llcc / ie filtering those: l C-o5work: -On the zod IMEet the following characteristics:

K C: i cce n tr a c u s i i f a t а

sodium, g l5S

Content same.tez, g / l0,002

Containing "1 e margai-tsa. g / l0, C02 Concentration opganichs :: -;

compounds, ch1.7

Value 1e pH8

Stoke; not hot; e heat treated, use: Use to give off KATRIUM sulphate.

The method is implemented i-: a pilot plant with a capacity of 40 l1h. The purification system of the zodiac does not contain metal ions, the filtration rate is restored, and the cleaning technology of the zod is reduced by reducing the number of stages.

Vor M u l a and 3 o b e te n n

1. The method of purification of an aqueous solution of sulfon: 1 t sodium from IONOS metal.t and organic: nx term, including HciVioa.:ii3au ;; O:; fnltraiyu solution, about tl and h a y i and i with those. what. in order to simplify the processes C) h ;; st1 and by 1: s: luchs; ;::: herd;:;: -staivan; and, in front of the footer,: gSt: S1. Gyudze and K) t I e:} m o s :) b a b o to k.

2.C: ioco6 but ::. 1. from Hi and Hi and and with 1, that the heat treatment of wasps and; est1 ;; - t :: o: gpi temperature 170-250 ° C.

Sources informatsi;;: accepted in p: 1 name for examination:

1. Oil Nikitsky 11. N. Avtok.la znge processes in non-ferrous metallurgy. M., 1969, p. 78-85.

2. Solodovnikov, V.V., et al. Decontamina1; no sulphate wastewater sources: the waters of SLC. M., “TSNP TENe: Laborer, 1970, p. 40