Production Company "Akvaton" monitoring is carried out:
- temperature of the exhaust air before and after the catalyst;
- exhaust gases after the catalyst for smell, color (steam, waste);
- pressure loss through the middle of the catalyst (U-tube manometer).
Checking the efficiency of the catalyst is carried out at least once a week.
The exhaust gas mixture is monitored at least once every six months.
In the production of enamel wire at the Aquaton OP, enamels with a solids content of 30 to 40% are used. The other part is the solvent that evaporates during the hardening of the enamel.
As shown by practical studies carried out at our enterprise, the most efficient oxidation and combustion of solvent vapor is ensured by using all-metal catalysts from Katec Katalysatoren (Germany) for catalytic purification. For complete purification of the exhaust gas, it is quite sufficient to use two catalysts on the enamel unit. This is how enamel units are equipped at our enterprise.
The conducted studies on the selection of catalysts have shown that all-metal catalysts with activating platinum-palladium components are the most effective for neutralizing gaseous media, which is due to the ability of platinum and palladium to accelerate reactions. In the presence of platinum and palladium, oxidation, hydrogenation, dehydrogenation and other transformations take place.
The firm Katec Katalysatoren conducted a study of deep oxidation (85-100%) of benzene, toluene and xylene. According to the research results, catalysts with active components of noble metals provide almost complete conversion of the substance that oxidizes into carbon dioxide, water, nitrogen and excludes the formation of carbon monoxide and toxic products of incomplete oxidation.
In the study and quantitative determination of exhaust gas emissions during the production of enameled wire on one enamel unit with a capacity of 1000 tons per year, their qualitative and quantitative content can be equated to vehicle exhaust gases.
As world practice has shown, in the production of enameled wire on MAG enamel units using all-metal catalysts from Katec Katalysatoren, there are no pure chemicals in the spent air mixture. To determine the degree of contamination of the exhaust air mixture, gas analyzers were used that directly determine the individual components of the exhaust gas.
The controlled combustion efficiency of the active layer of the all-metal catalyst reaches 99% and ensures that the combustion of the solvent gas mixture is at least 95-96%.
At the moment, there is a more accurate and less laborious method for studying the exhaust gas mixture, which is also used at our enterprise, using the GANK-4 gas analyzer, which allows for express analysis of exhaust air vapor and guarantees accurate results, even in the area of concentration less than 5 mg / m³.