Acid analyzer and controller

Claim 1

APPARATUS ADAPTED TO CONDITION A SAMPLE ACID STREAM FROM AN ALKYLATION PROCESS AND THE LIKE, COMPRISING: A FLASH CHAMBER CONTAINING A GAS VENT NEAR ITS UPPER EXTREMITY AND COMMUNICATING WITH AN ACID-TRAP NEAR ITS LOWER EXTREMITY, A SAMPLE LINE ENTERING SAID FLASH CHAMBER NEAR ITS TOP AND BELOW SAID VENT, SAID SAMPLE LINE BEING ADAPTED AT ITS OTHER END TO RECEIVE A SAMPLE ACID STREAM FROM AN ALKYLATION PROCESS, A FLOW-REGULATOR IN SAID SAMPLE LINE, A HEATING COIL IN SAID SAMPLE LINE BETWEEN SAID FLOW-CONTROLLER AND SAID FLASH CHAMBER, A TEMPERATURE SENSITIVE ELEMENT IN SAID TRAP, MEANS ADAPTED TO CONTROL HEAT SUPPLIED TO SAID HEATING COIL IN ACCORDANCE WITH THE TEMPERATURE OF SAID ELEMENT, AN OVERFLOW OUTLET IN SAID TRAP, A SAMPLE ACCUMULATING VESSEL HAVING AN OVERFLOW, A CONDUIT CONNECTING A LOWER POINT OF SAID TRAP TO A LOWER POINT OF SAID VESSEL. AND A COOLING COIL IN SAID CONDUIT ADAPTED TO IMPART A CONSTANT TEMPERATURE TO LIQUID FLOWING THERETHROUGH, SAID VESSEL BEING ADAPTED TO BE POSITIONED SO THAT LIQUID IN SAID TRAP WILL FLOW BY GRAVITY INTO AND OVERFLOW SAID VESSEL.