Evaporation concentration of hydrogen peroxide steam and condensate point

This article is a composed of four articles vaporizing hydrogen peroxide application theory of the fourth article of the article, in this series, we introduced the process parameters are how to influence gasification hydrogen peroxide biological purification applications.

The first article:Humidity, vH condensation point and can achieve ideal₂O₂The concentration of

Article 2:Hydrogen peroxide solution concentration ratio, the vH condensation point and can achieve ideal₂O₂The concentration of

Article 3:Biological purification of temperature, condensation point, and can achieve ideal vH₂O₂The concentration of

In this series, we put forward the process parameters of the four basic rules.This article focus on the fourth rule:

Increase in H₂O₂Vapor concentration can reduce the air can hold water volume, therefore, condensation will occur faster.

In figure 7 (to quoteOur white paper), we can see, increasing H₂O₂Vapor concentration reduces can hold water volume in the air, condensation will occur faster.

The Image

Each point in the figure 7 is a condensation point, saidThe relative degree of saturationIs 100%.The x axis as the temperature, y axis of the vH₂O₂PPM.The curve graphics display at a given temperature and vH₂O₂PPM concentrations of relative humidity.

, as shown in the 20 ° C and 300 PPM hydrogen peroxide under the condition of relative humidity is 60%, the relative degree of saturation is 100%.If we will vH at 20 ° C₂O₂Increased to 600 PPM, the relative humidity of 39%, the relative saturation is 100%.

In the vH₂O₂Under the condition of invariable concentration to 300 PPM, to increase the air temperature to 40 ° C, relative humidity 87%, relative saturation will reach 100%.The higher the temperature, the more moisture air can hold.Relative humidity will increase.

We put forward the relevant control condensation in gasification hydrogen peroxide biological purification applications rules:

• After the initial humidity levels, condensation of H₂O₂Steam will increase, so you can use more steam.
• After the temperature rise, can hold the water vapor in the air and hydrogen peroxide steam will increase, can achieve the vH₂O₂PPM will increase accordingly.
• H.₂O₂Solution concentration is high, produce condensation H₂O₂Steam will increase, so you can use more steam.
• H.₂O₂After steam concentration increases, the air can hold water volume will decrease, so the condensation happens faster.

conclusion

In this series of articles (based on usThe white paper), we have demonstrated how to through the deep understanding of the relationship between the key process parameters to develop effective and repeatable vH₂O₂Biological purification cycle.

Single parameter measurement is usually not enough to monitor and ensure the effective process control.We also demonstrated why relative saturation is accurately predicted an important value of the condensation.Because of this, visa, uniquePEROXCAP ® technology,By single detection unit measurement of multiple parameters, including: hydrogen peroxide vapor concentration, temperature, dew point and steam pressure and humidity (including relative humidity, and relative saturation).

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