What electrode should be used for hydrogen peroxide flow meter | Electromagnetic flow meter

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Is the gas mass flow meter user-friendly?

2. What flow meter is used to measure hydrogen peroxide?

Electromagnetic flow meters and turbine flow meters can be used to measure hydrogen peroxide. It is best to use PTFE lining for hydrogen peroxide.

3. Process flow of hydrogen peroxide production. The upper part of the hydrogenation tower,. The hydrogenation tower consists of three sections, each with a gas-liquid separator at the top to ensure even distribution of gas and liquid entering the tower. EAQ and H4EAQ in the working fluid react with H2 under the catalytic action of the catalyst, generating corresponding HEAQ and H4HEAQ. According to the requirements of hydrogenation efficiency and catalyst activity, hydrogenation reaction can use any one of the three catalysts (individually) or two catalysts (in series). For example, when using two sections, the mixture of working fluid and hydrogen gas first enters the top of the upper section and flows down through the catalyst layer inside the tower, then flows out from the bottom of the tower, enters the top of the middle section through the connecting pipe outside the tower, and then flows out from the bottom of the tower to enter the hydrogenation liquid separator. Bbs.hgbbs.net1 A-Y5 m1 R (`+I0 \, n) h $Z The working liquid (referred to as hydrogenation liquid) and unreacted hydrogen gas (referred to as tail gas) coming out of the hydrogenation tower continuously enter the hydrogenation liquid gas-liquid separator. The tail gas is discharged from the top of the separator, and after being condensed by the regeneration steam condenser, it enters the condensate metering tank where the solvent flows. The tail gas is then controlled by the tail gas flow meter and vented through the flame arrester. The hydrogenation liquid from the bottom of the gas-liquid separator of the hydrogenation liquid is controlled to a certain liquid level by an automatic control instrument, and then enters the hydrogenation liquid filter to filter out a small amount of catalyst, carrier powder, and alumina powder that may be carried in it. The hydrogenation liquid from the hydrogenation liquid filter is divided into 10% and enters the hydrogenation liquid clay bed, which is filled with activated alumina to regenerate the degradation products in the hydrogenation liquid. Then, it enters the hydrogenation liquid storage tank together with 90% of the hydrogenation liquid. Here, a small amount of hydrogen gas dissolved in the hydrogenation liquid is resolved and discharged through the hydrogenation liquid tail gas condenser and flame arrester. / }. The hydrogenation liquid in the Z "T $U1 O: L hydrogenation liquid gas-liquid separator can be partially circulated back to the hydrogenation tower by means of a circulating hydrogenation liquid pump to control the temperature uniformity inside the tower, ensure stable hydrogenation efficiency, and ensure safe operation. X (J9 [. B6 S) S is a mixed aqueous solution of phosphoric acid and ammonium nitrate from the phosphoric acid metering tank, which enters the hydrogenation liquid pump together with the hydrogenation liquid from the hydrogenation liquid storage tank. The phosphoric acid and hydrogenation liquid are mixed in the pump and enter the hydrogenation liquid cooler at a certain flow rate through the automatic control instrument. After cooling to a certain temperature, they enter the bottom of the upper section of the oxidation tower. At the

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