Chemical Transfer

Overview

A chemical production site required four flow measurement points for offloading and transferring 2-EH and DINP from new bulk storage tanks.

The challenge

Each duty had different accuracy, control and media requirements, so one measurement technology was not automatically suitable for every line.

• Provide two offloading and two transfer measurements.
• Integrate all measurement points with the PLC.
• Control 2-EH feed rate to manage exothermic reaction risk.
• Measure non-conductive DINP without using a magnetic flowmeter.

Our solution

Quality Lab Solutions compared turbine and Coriolis technologies against the process, control and commercial requirements of each line.

• Considered turbine measurement for less critical offloading duties.
• Recommended Coriolis measurement for controlled 2-EH transfer.
• Included downstream flow-control valve integration.
• Rejected magnetic flow measurement for non-conductive DINP.

Results

The proposed architecture covered four measurement points and allowed operators to set controlled transfer rates, including a 20 l/min operating example for the 2-EH feed line.

Customer benefits

The customer received a duty-by-duty solution instead of an unnecessarily uniform specification.

• Improved control of chemical feed rate.
• Reduced risk of temperature rise during vessel charging.
• Appropriate technology for non-conductive media.
• PLC-ready measurement and control signals.