SU1470669A1 - Apparatus for electrochemical treatment of mine water - Google Patents

Abstract

The invention relates to devices for the electrochemical treatment of mine waters and allows the treatment of different composition of mine waters, increases the degree of disinfection and reduces them to sanitary standards. An electrolysis cell for the electrochemical treatment of mine waters, including a rectangular shaped body, an insoluble cathode and an anode separating diaphragm mounted for movement so that the ratio of the volume of the anode chamber to the cathode can vary within (1: 3) - (1 : 34). 1 tab., 2 Il.

Description

The invention relates to the field of non-reagent methods of disinfecting and softening mine water and can be used in the coal and other industries.

The aim of the invention is to provide the possibility of obtaining water, stable-quality with continuous treatment of mine water of different composition and increasing the degree of disinfection and water softening.

Figure 1 shows a device for the electrochemical treatment of mine waters; Fig 2 - node I in Fig.1.

The device is made in the form of a housing consisting of a rectangular 1 and a conical 2 chambers. Anodes are placed in rectangular chamber 1.

3 are made of graphite or titanium coated with ruthenium dioxide, the cathodes

4- of graphite or titanium. Anodes and cathodes alternate. The electrodes of the same name have a single current lead 5 to the current source.

Between each anode 3 and cathode 4, diaphragms 6 are made of acid-alkali-resistant material, which divide the rectangular cell 1 of the electrolyzer into anode and cathode chambers. The diaphragms 6 are fixed on the frames 7 (Fig. 2), which allow the diaphragm to move along the longitudinal axis of the rectangular chamber 1 and thereby change the volumes of the anodic and cathodic chambers. The frames 7 are equipped with gaskets 8, for example, made of rubber, which prevent mixing of the anolyte with the catholyte during processing.

In order to remove the anolyte and catholyte, fittings 9 fitted with plugs 10 are mounted in the upper part of the longitudinal walls of the rectangular chamber 1, and

about

05

with

collections 11 with branch pipes for water drainage.

Taper chamber 2 has a spigot

12 for supplying source water and screen

13dl the distribution of the upward flow of water is uniform over the entire cross section of the rectangular chamber 1 of the electrolyzer.

The device works as follows.

Through pipe 12, the source water is fed to the electrolyzer and treated at a current density of 1 A / dm and at a ratio of the volumes of the anode and cathode chambers (1.80) - (1:34) o Water consumption 7.2 l / h. The anolyte and catholyte are removed from the electrolyzer separately through the corresponding fittings 9 and collectors 11. The catholyte is cleaned of hardness salts by settling and filtration. Cleared from sediment hardness salts catholyte mixed with anolyte

The table shows the results. water treatment depending on the ratio of the volumes of the anodic and cathodic chambers.

In accordance with sanitary standards for the design and maintenance of coal industry enterprises, the water should have a hardness of no more than 7 mg-eq / l, a column of I-index no more than 3 and a neutral environment. As follows from the table, these parameters are achieved only when the ratio of the volume of the anode chamber to the cathode is within the proposed limits. In addition, depending on the composition of the source water, the volume ratio changes.

In comparison with the known, the proposed device provides water purification of different composition to sanitary standards, while the degree of disinfection and clearing increases by 10-15%.

The effect is achieved due to the possibility of regulating the cathode and

5 anode chambers and, accordingly, the pH of catholyte and anolyte; and active chlorine concentrations.

Claims (1)

Claim 0 A device for electrochemical treatment of mine water, including a rectangular, shaped body, insoluble cathode and anode and diaphragm, and therefore, 5, in order to ensure the possibility of obtaining water of stable quality with continuous treatment of mine water of different composition and increasing the degree of disinfection and water softening, the diaphragm is mounted between the electrodes so that it can move so that the ratio of the volume of the anode chamber to the cathode can vary within 1: 3-1: 34. fc.2 Compiled by V. Bogdanovska Editor Ltd. Urkovetska Tehred M. Didyk Proofreader L. Pilipenko Order 1425/24 Circulation 824 Subscription VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, F-33, 4/5, Raushsk nab. ““ .. ,, „„ „„ „-. Production and Publishing Combine Patent, Uzhgorod, st. Gagarin, 101 fc.2 ipenko