The Importance of HCl Monitoring

 HCl monitoring is as vital as it is necessary. Monitoring equipment usually come with features which make them ideal in the analysis of gases. More often than not, the gases analyzed are water soluble compounds, including HCl, NH3 and HF. Additionally, the parts that come into contact with HCl are heated to around 180 degrees C for reliable measurement.


Applications of HCl Monitoring 


Monitoring is usually done on continuous emissions from cement kilns and waste incinerators. The best monitoring equipment can measure HF, HCl and other pollutants such as O2, N2O, CO2, CO, NOx, and SO2 among others. With the right HCl monitor, you will not have to use a Flame Ionizing Detector for Total Organic Carbon (TOC) measurements. Instead, you can individually measure the hydrocarbons before adding up the results in relevant software to form the relevant TOC number.


Other industries that will find HCl gas monitoring useful include steel manufacturing industries, gas and petroleum wells and semi- conductor crystal etching firms. Added to these, HCl levels have to be monitored in vinyl and cotton production plants.


Who Needs HCl Monitoring 


Monitoring is usually performed using a gas analyzer. These analyzers are useful tools for consultants who provide stack testing services, especially in the comparison of emissions measurements.


The measurement results from properly- functioning gas analyzers can then be real in the real time before being stored in software for further analysis and processing.


Additionally, HCl gas monitoring analyzers can be used in different locations to measure other gaseous compounds. Of course, as you shop around for the best analyzer, you need to ensure that it meets relevant industry regulations- such as the MCERTS certification.


About HCl


In full, HCl is the chemical symbol for Hydrogen Chloride. This is a colorless or slight yellow gas that is corrosive in nature and carries a pungent, irritating odor. Even though it is not considered to be combustible, it can still react with other solids, liquids and gases to form combustible compounds. Such compounds arise due to reaction between HCl with aluminum- titanium alloys, with hydrogen cyanide and with alcohol.    


When dissolved in water, HCl yields Hydrochloric acid, which is strong and highly corrosive. As a result, the gas irritates and damages the upper respiratory tract, the nose and the eyes. Therefore, monitoring HCl levels is relevant in areas where the gas is released into the environment due to economic and industrial pursuit.  


Effects of Different HCl Levels


Monitoring usually yields results that show the level of HCl in the immediate atmosphere. Different levels yield different results as shown below:   


.25: Odor threshold


5: Permissible Exposure Limit (PEL)


35: This level causes irritation to the nose, throat and eyes


50: This level is dangerous to human health and life. It is commonly abbreviated as IDLH (Immediately Dangerous to Life and Health)


1,300-2,000: Exposure to HCl of such magnitude causes death in 2 to 3 minutes


Overall, HCl monitoring should not be taken lightly. To safeguard the lives and limbs of those working in areas prone to HCl releases, companies and relevant authorities need to periodically monitor, analyze and measure the HCl levels to ensure that they are below the odor threshold. 

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