Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in /home/arcmax/public_html/ccdc/index2.php on line 281

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in /home/arcmax/public_html/ccdc/index2.php on line 281

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in /home/arcmax/public_html/ccdc/index2.php on line 333

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in /home/arcmax/public_html/ccdc/index2.php on line 333
 
 

Comparison of different Vapor Recovery Systems

Refrigeration
Absorption
Adsorption
Application Higher concentration For low concentration-05% For low concentration-0.5%
Process Condensation Separation and condensation Separation and condensation
Operational Temp. Very low temp. Room and above Room and above
Pressure drop Very low Low High
Vacuum Not required Required Required
Operations Fully automatic/continuous Full automatic/continuous Automatic Batch process
Maintenance Low maintenance Low maintenance High maintenance
Power cost Power used when required Continuous power even no load Continuous power even at no load
Installation cost Very Low Low Large
Concentration measurement Not required Required for outlet gas Required for outlet gas
Space required Smallest Small Large
Steam Note required Required Required
Inert gas Not required Special circumstances Required for safe operations
Carbon replacement Not required Not required Required periodic replacement
Solvent replacement Not required Required Not required
Safety Intrinsically safe Safe Precautions required
   

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