Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Gas Chromatography: Types of Detectors-II01:19

Gas Chromatography: Types of Detectors-II

338
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
338
Flame Photometry: Overview01:02

Flame Photometry: Overview

491
Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...
491
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

343
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
343
Physical Principles Governing Gas Exchange01:16

Physical Principles Governing Gas Exchange

1.8K
Gas behavior plays a vital role in understanding bodily processes such as external and internal respiration. External respiration involves the diffusion of oxygen into the blood and carbon dioxide out of it in the lungs. In contrast, internal respiration happens in body tissues, where these gases move in opposite directions.
Gas Laws Governing Respiration
The behavior of gases is guided by Dalton's Law of partial pressures and Henry's Law.
Dalton's Law asserts that the total...
1.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Performance of Continuous Emission Monitoring Solutions under a Single-Blind Controlled Testing Protocol.

Environmental science & technology·2023
See all related articles

Related Experiment Video

Updated: Jun 9, 2025

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

Published on: June 12, 2016

16.7K

Developing Specific Emission Factors for Natural Gas Driven Pneumatic Devices.

Clay Bell1

  • 1bpx Energy, Denver, Colorado 80202, United States.

Environmental Science & Technology
|October 22, 2024
PubMed
Summary

This study derived operator-specific emission factors for natural gas pneumatic devices, finding them statistically lower than Greenhouse Gas Reporting Rule (GHGRP) factors. Malfunctioning devices significantly impacted overall emission factor accuracy.

Keywords:
emission factoremissionsmethanenatural gas productionpneumatic

More Related Videos

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe
09:34

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe

Published on: December 4, 2016

28.1K
Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure
06:52

Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure

Published on: July 19, 2018

6.3K

Related Experiment Videos

Last Updated: Jun 9, 2025

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

Published on: June 12, 2016

16.7K
Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe
09:34

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe

Published on: December 4, 2016

28.1K
Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure
06:52

Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure

Published on: July 19, 2018

6.3K

Area of Science:

  • Environmental Science
  • Atmospheric Chemistry
  • Energy Engineering

Background:

  • Pneumatic devices are significant sources of methane emissions in natural gas production.
  • Existing emission factors may not accurately reflect real-world operational conditions.
  • Accurate emission factors are crucial for effective greenhouse gas (GHG) regulation and mitigation.

Purpose of the Study:

  • To derive operator-specific emission factors for natural gas pneumatic devices at US onshore production facilities.
  • To compare study-derived emission factors with the revised Greenhouse Gas Reporting Rule (GHGRP) factors.
  • To assess the impact of measurement duration and sample size on emission factor accuracy.

Main Methods:

  • Conducted a measurement study in 2023 involving 369 intermittent bleed and 26 continuous low-bleed pneumatic devices.
  • Utilized a high-volume sampler for emission measurements.
  • Employed optical gas imaging (OGI) for device classification (functioning vs. malfunctioning) and Monte Carlo analysis for sample size and duration impact.

Main Results:

  • Overall emission factors for intermittent bleed devices were statistically lower than the revised GHGRP factor.
  • Functioning intermittent devices showed higher emissions, while malfunctioning devices showed lower emissions than GHGRP.
  • Continuous low-bleed devices exhibited statistically lower emission factors than the revised GHGRP factor.

Conclusions:

  • The study provides more accurate, operator-specific emission factors for natural gas pneumatic devices.
  • Malfunctioning devices significantly influence overall emission factor calculations.
  • A robust sample size and measurement duration are critical for reliable emission factor derivation, mitigating bias.