Environmental Compliance Presentations for Refining, Chemical, Oil & Gas
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EHS Technology for O&G/Petrochemicals

Large Area Fugitive Emission Monitoring In All Conditions

Dr. Sophie Purser - MIRICO

Description

We present a detailed description and experimental results for a new laser sensing technique in combination with a gas emission survey method that remotely detects and maps the locations of multiple gas emission sources distributed across an extensive area. This presentation will focus on the application of this approach to methane and present results form an experimental evaluation of its performance using 17 calibrated releases, with support from he National Physical laboratory to create traceable standards. Our laser sensing approach, which we call Laser Dispersion Spectroscopy (LDS), uses changes in refractive index incurred by the optical beam to measure molecular concentration as opposed to traditional methods that depend of the intensity of the optical beam to quantify emission. The sensor offers improvements in precision, beam length, accuracy whereby the system inherently isolates common noise sources and offers enhanced performance in open path environments where detected optical intensity variation occurring form artefacts such as rain, water vapour result in inaccuracies when using traditional absorption techniques. Our experimental data set comprise of 7 optical beams that are sequentially steered on a timescale of ˜1Hz. Simultaneously we acquire 3D ultrasonic anemometry data and use this to drive a simple plume eddy dispersion model.

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Air Permitting

NSPS OOOOa: Updates, Equivalency, and the Alternative Work Practice

Karen Marsh - US EPA

Description

On October 15, 2018, EPA proposed technical revisions to the NSPS OOOOa. The proposal addressed many topics, including the application process for the use of emerging technologies for fugitive emissions detection. There have been various efforts to develop frameworks for understanding equivalency but several questions remain unanswered, particularly around how EPA will evaluate potential alternatives. On December 22, 2008, EPA published a voluntary alternative work practice for LDAR using optical gas imaging, which may provide some insight into future equivalency evaluations for sources in NSPS OOOOa. Since promulgation of the alternative work practice, advancements have been made in leak detection technologies that warrant examination of revisions to that rule as well. This presentation will provide a brief status update of the technical amendments to NSPS OOOOa including examining key questions regarding emerging technologies and equivalence to the OGI fugitive emissions program. This presentation will also explore how updates for the alternative work practice may provide insight for evaluating equivalency for OOOOa. 1 Hour Presentation.

Date

Thursday, February 20, 2020

Time

1:30PM

Location

Room 6th Floor Exhibit Hall

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Best Management Practices

Realtime PRV Leak Detection and Process Data Analysis for Environmental, Occupational and Process Safety Management

Marcelo Dultra & Marcio Donnangelo - Emerson Automation Solutions

Description

20% of PRVs in a typical operation are potentially leaking. Undetected and therefore not reported PRV releases occur more often than operators realize and are one of the major causes to compromise valve sealing integrity. PRVs are the last line of defense against process overpressure and it is critical that all releases be reported and recorded for process safety root cause analysis, including near miss safety events. Join this session with Anderson Greenwood Crosby PRV team to discuss wireless monitoring solutions that enable operators to correlate real time PRV information with process data and maintenance records to improve environmental, occupational and process safety management.

Date

Thursday, February 20, 2020

Time

3:00PM

Location

Room 406

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Digital Transformation

The State of Fenceline Monitoring Systems Lessons from the California Experience

Randy Gibbons - Terra Applied Systems

Description

Several air quality regulating bodies in California are requiring major petroleum refiners to implement fenceline monitoring programs using open path sensing technologies. The first continuous open path Fenceline Monitoring system in California was at the Unocal Rodeo refinery (now P66) installed in 1996. This TAS system is effectively the prototype for projects currently being required at most other California refineries. Broader interest in similar fenceline systems has increased in recent years for environmental impact and general safety. The California experience provides some good examples to discuss the state of the technologies and the successful implementation of fenceline monitoring programs and systems. TAS has a unique perspective having been instrumental in creating the design and guiding implementation for most of these systems in partnerships with several refiners and local companies. Success cannot be defined or achieved without realistic purpose. Communicating purpose and building this into design before committing to engineering is often a significant obstacle. Several purposes for the California fenceline monitoring initiatives were defined in early regulation support studies. However, most of the refinery projects were being started without design purpose awareness. Technology and product readiness for these systems were not as clearly defined as regulators or even manufacturers understood. Sensor detection capabilities were overstated by operators, consultants, and some manufacturers. This led to unrealistic expectations in regulations and monitoring plans. Community attention as well as regulations requiring standards for uptime and data quality presented challenges to current products and practices. This has driven improvements in methods, equipment, and support systems. It has required manufacturers to transition products and systems from various stages of commercial readiness to address full industrial implementation. As systems come online and continuous operations are scrutinized, further developments are ongoing. Designing open path systems is not as simple as it would appear. Regulations written to operate continuously at the limits of the technology require close attention to details usually not important to refinery engineers. This often becomes a challenge. It can be aggravated in plan execution as environmental and construction challenges are often met by compromising design details. Close attention at every step of implementation is important. Most of the new experts promoting themselves in this California initiative operate in effect under a batching support and quality assurance paradigm. This is largely accepted by regulators and customers, but it carries risks. Experience with dozens of safety and operations critical open path systems, TAS brings a design paradigm of continuous operations that is well suited to the demands of operating in refinery and other heavy industry environments.

Date

Thursday, February 20, 2020

Time

11:30AM

Location

Room 417B

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EHS Technology for O&G/Petrochemicals

Lightweight, Modular OOOOa Certified OGI Camera Core for Handheld, UAV, or Fixed Mount CMS

Jeff Leake - Sierra Olympic Technologies, Inc.

Description

The Ventus (OGI) camera core features a 640 x 512, 15-micron pixel-pitch, "Hot" midwave-infrared (MWIR) detector array providing unmatched thermal sensitivity and weighs only 580 grams (1.28 lbs.), with lens. Designed to optimize the detection and visualization of hydrocarbon gas leaks, such as methane, propane, butane, and 20 others. The “Hot-MWIR” Ventus OGI is a lightweight, low-power, camera core that can be integrated into gimbals/enclosures for manned or unmanned aerial system platforms or for fixed mounted continuous monitoring systems. Sierra-Olympic’s compact (146.6 mm x 70.9 mm x 73.1 mm/5.77 in x 2.70 in. x 2.88 in.) OGI camera features a special narrow bandpass cold filter in a miniature, long-life, closed-cycle Stirling cooler with an f/1.5 cold shield and an optimized, light weight, f/1.5, 25mm lens. State-of-the-art components including the detector, cooler, and lens design, combine with a selection of digital and analog inputs/outputs (Camera Link, H.264 IP Video, NTSC/PAL video plus RS-232/RS-422 serial camera control) to make this camera core an ideal optical gas imaging solution for integrators, OEMs and end users. Additional features include: a 32GB SD storage card, Contrast Limited Adaptive Histogram Equalization (CLAHE), Local Area Processing (LAP), Automatic Gain Control (AGC), Sharpening, DeNoise, Gas Enhancement Mode (GEM) and Electronic Image Stabilization (EIS). Optional items will include Target Tracking, Telemetry, NMEA and GPS i/o.

Date

Friday, February 21, 2020

Time

1:00PM

Location

Room 616B

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