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ID 200 Series
Interface Concentration Detector System
 
Manual control of water draw-off can result in HC product in the discharge. The loss of this HC product means less product available for sale and increases the cost of wastewater treatment. Additionally, environmental regulation trends (e.g., USA Benzene/NESHAP and SOCMI/HON) may impose large economic penalties for designing water draw conveyance and treatment systems that allow HC product in the water draw-off discharge.

Two types of water draw-off control approaches use the AGAR ID-200 Series Interface Detector. Each water draw discharge control strategy has its own advantages and disadvantages.

The control strategies are:

1. Using In-Tank Interface/Concentration Detectors

2. Using Insertion Hydrocarbon/Water Monitors in the Effluent Water Draw-Off Line

Our applications specialists can assist in identifying the optimum strategy for controlling draw water discharge.

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Watercut Monitors
Automatic Tank Dewatering
Foam Detection & Control
Desalting System


AGAR
CORPORATION



An industry leading engineered solutions provider of process measurement and control systems and services within the energy sector.






Watercut Monitors
(Liquid/Liquid Concentration)

OW 300 Series - The OW-300, third-generation system consists of a primary probe, the measurement electronics, and a data analysis system (DAS) that can be remotely mounted from the field sensor. The OW-300 probe is offered in a spool type configuration and insertion type assembly. The instruments are calibrated using Windows based software from a laptop computer.

The software is also used for troubleshooting, viewing trends, and retrieving historical data. is +/- 1%.

The OW-300 series utilizes a combination of explosion proof type enclosures and intrinsically safe electronics that provide signal outputs/inputs to the probe. The DAS is also a flow computer that can provide net oil, net water and flow rates when a flow meter input is supplied. The data system is transmitted with 4-20mA signals, HART and Modbus.

OW 200 Series - Agar’s OW-200 series is a second-generation design, microwave based liquid/liquid analyzer.

The OW 200 Series watercut monitors, consisting of the OW-201 and the OW-202 monitors, utilize a microwave transmitter (2.45 Gigahertz) to measure bulk dielectric properties of the flow stream. They measure hydrocarbon/water mixtures over the full range of 0-100%, regardless of the continuous phase. Unlike other microwave, density or capacitance based instruments; Agar’s Oil/Watercut Monitors are the only devices in which the accuracy of the measurement is not affected by changes in salinity, density, viscosity, temperature or velocity of the components being analyzed. In addition, the high frequency signal will maintain accuracy in the presence of process coatings that would be detrimental to optical instruments.



Foam Detection

Foam Detection Demonstration
The Agar Foam Detector operates on the principle of energy absorption. The Foam Detector is a device that is installed into the process vessel providing early detection as foam begins to form and before the occurrence of process upsets or equipment damage. This information can be used to control/optimize the defoamer injection rate.

Benefits from early foam detection are:
  • Reduction in chemical costs and foam carry-over.
  • A Minimal liquid entrainment.
  • Sustained operating rates.
  • Protection of downstream equipment (i.e. compressors.
  • Reduced process upsets.



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