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Abstract Title: An application: TOC in Oil and Gas and Refineries
Abstract Type: oral
Session Choice: Online & Process Monitoring
Presenter Name: Mr Robert Stevens
Company/Organisation: Hach
Country: Netherlands

Abstract Information :

TOC Sampling and Measurement Challenges

Hach BioTector B7000 is a management tool with unique technology. It supplies reliable and accurate TOC (total organic carbon) data for incident response and production efficiencies. BioTector Online TOC Analysers are used by many of the largest oil and gas companies globally.

Oil is a hydrocarbon with a very high concentration of TOC. If there is an oil breakthrough in the processing environment, things can become serious rapidly. It is imperative that plant operations have real-time, accurate and reliable information regarding TOC levels in the process water and wastewater. This information gives visibility of any breach in the process lines which enables the operations team to respond rapidly, thus reducing risks to the plant and environment.

BioTector data also improves overall process control and is often an integral part of client's continuous improvement programs. Attaining high levels of accuracy and reliability in this industry can be difficult for many Online TOC technologies. TOC spikes in the wastewater can dramatically affect an analyser and cause problems including contamination or blockage of the sample tubes; slow recovery or analyser downtime and significant maintenance requirements. BioTector patented technology overcomes these issues.

Commercial Value of BioTector Management Information

The oil and gas industry is focussed on reducing the cost of operations while simultaneously increasing operational efficiency. BioTector TOC analysers offer intelligent surveillance of wastewater loading which can enable the Operations team to make significant improvements throughout the plant. Clients have reported the commercial value of BioTector in four key areas:

1. Energy Optimisation
2. Water Reuse
3. Maintenance
4. Protection

B3500c For Clean Water Applications

Hach BioTector B3500c uses the same powerful TSAO technology as the B7000 but comes with a smaller footprint and price tag as it is designed for clean water and condensate applications only.

Crude oil refinement is very energy intensive with a high requirement for steam and hot water during processing. Hot condensate contains a lot of energy and is very valuable to the plant. Significant cost savings can be made through re-using return condensate or steam condensate. However, the purity of this condensate water is of vital importance so that equipment is not damaged via corrosion. The condensate needs to be monitored with utmost accuracy and stability. In refineries, the alarm thresholds are typically ~50-1,000ppb.