Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Sampling Methods: Sample Types

Sampling Methods: Sample Types

Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...

You might also read

Related Articles

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

Sort by

Same author

Transfer of radionuclides and stable elements to foodstuffs in Mediterranean ecosystems.

Journal of environmental radioactivity·2020

Same author

Electron microscopy for inorganic-type drug delivery nanocarriers for antitumoral applications: what does it reveal?

Journal of materials chemistry. B·2020

Same author

Relationship between indoor ambient dose equivalent rates and the architectural style of standalone houses in locations with high naturally occurring radionuclide soil concentrations.

Journal of radiological protection : official journal of the Society for Radiological Protection·2020

Same author

Validation study of the dynamic parameters of pulse wave in pulmonary resection surgery.

Revista espanola de anestesiologia y reanimacion·2020

Same author

Removal of radium in a working drinking water treatment plant: Radiological hazard assessment and waste management.

Journal of hazardous materials·2019

Same author

Seasonal evolution of <sup>7</sup><sup>,10</sup>Be and <sup>22</sup>Na in the near surface atmosphere of Cáceres (Spain).

Journal of environmental radioactivity·2018

Search research articles

Related Experiment Video

Updated: Jul 1, 2026

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints

Published on: August 29, 2014

Methodologies for determining capture efficiencies in surface treatment tanks.

F Marzal¹, E González, A Miñana

¹Universidad Politécnica de Cartagena, Departamento de Ingeniería Térmica y de Fluidos, Paseo de Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain. FJ.Marzal@upct.es

AIHA Journal : a Journal for the Science of Occupational and Environmental Health and Safety

|October 3, 2003

Summary

This study introduces a method to measure ventilation capture efficiency in surface treatment tanks using tracer gas. The technique quantifies emission losses, improving industrial safety and environmental controls.

More Related Videos

Procedure to Evaluate the Efficiency of Flocculants for the Removal of Dispersed Particles from Plant Extracts

Procedure to Evaluate the Efficiency of Flocculants for the Removal of Dispersed Particles from Plant Extracts

Published on: April 9, 2016

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

Related Experiment Videos

Last Updated: Jul 1, 2026

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints

Published on: August 29, 2014

Procedure to Evaluate the Efficiency of Flocculants for the Removal of Dispersed Particles from Plant Extracts

Procedure to Evaluate the Efficiency of Flocculants for the Removal of Dispersed Particles from Plant Extracts

Published on: April 9, 2016

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

Area of Science:

Industrial Hygiene
Environmental Engineering
Occupational Safety

Background:

Surface treatment tanks require effective ventilation to capture hazardous emissions.
Accurate measurement of capture efficiency is crucial for regulatory compliance and worker safety.
Existing methods may not adequately quantify emission losses from ventilation systems.

Purpose of the Study:

To propose and validate methodologies for determining capture efficiencies in surface treatment tank ventilation systems.
To develop a system for measuring and controlling key variables in ventilation testing.
To quantify emission losses to the outside environment.

Main Methods:

Utilized test-scale equipment with lateral and push-pull ventilation.
Employed a tracer gas generator (sulfur hexafluoride) and infrared spectrometer for concentration measurement.
Defined and measured total efficiency and transversal linear efficiency.

Main Results:

Established analytical and graphical relationships between total and transversal linear efficiencies.
Demonstrated the ability to detect and quantify emissions not captured by the ventilation system.
Presented results from several experimental analyses.

Conclusions:

The proposed methodologies effectively determine capture efficiencies in ventilation systems.
The methods allow for the precise localization and quantification of emission losses.
This approach enhances the assessment and improvement of ventilation system performance in industrial settings.