Friday 31 July 2015

Utilization of residue Gas in LPG Cylinders

The Minister of State (I/C) for Petroleum & Natural Gas Shri Dharmendra Pradhan informed the Rajya Sabha in a written reply today that OMCs have reported that LPG under normal pressure and temperature, is in gaseous state and liquid LPG is stored in cylinders under moderate pressure. When cylinder is completely exhausted of liquid LPG, it comes in equilibrium with outside atmospheric temperature. Domestic customer uses LPG at very low pressure of 30 GMs/Sq.Cm. through domestic pressure regulator, only some residual vapour remains in the cylinders depending on the room temperature which is insignificantly low. 

It is not discharged or used as it continues to remain inside the cylinder. It is discharged only when the cylinder is taken out of service and degassed in a controlled atmosphere. 

No specific study on residual gas has been undertaken. 

In LPG bottling plant, cylinders are filled accurately within the limits of weights and measures regulations through automatic electric filling scales, followed by 100% post filling checks and statistical quality control checks at plants prior to dispatch to the distributors. 

At distributors godown while receiving filled LPG cylinders from supply locations, 10% cylinders are checked for weight as a part of SQC, while all the cylinders are checked for weight before delivery to the customers. Responsible authorities for checking the authenticity of LPG cylinder weight are officials from OMCs and Government as prescribed in Gas Control Order 2000. 


Courtesy:pib.nic.in

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