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Chemical Agents for Microbial Control

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Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...

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Comprehensive Chemical Dust Suppressant Performance Evaluation and Optimization Method.

Ming Li¹, Rujia Wang¹, Gang Li²

¹School of Resources and Safety Engineering, Central South University, Changsha 410083, China.

International Journal of Environmental Research and Public Health

|May 14, 2022

Summary

A new evaluation system assesses chemical dust suppressants based on performance, safety, and cost. Calcium chloride and polyacrylamide solutions showed good dust suppression, unlike Triton X-100.

Keywords:

chemical dust suppression dust pollution dust suppression agent evaluation method

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Area of Science:

Environmental Science
Chemical Engineering
Materials Science

Background:

Chemical dust suppression is vital for controlling airborne dust.
A standardized method for evaluating chemical dust suppressants' safety, efficiency, and cost-effectiveness is lacking.

Purpose of the Study:

To develop a comprehensive evaluation index system for chemical dust suppressants.
To establish a standardized testing process for comparing dust suppressant performance, environmental impact, and economic viability.

Main Methods:

Constructed an evaluation index system including wetting, hygroscopic, and bonding performance, cost, pH, toxicity, and corrosion.
Utilized dust sedimentation, evaporation, wind erosion, and steel corrosion tests.
Standardized data using linear and range transformations for comparability.

Main Results:

Developed a multi-indicator system to evaluate chemical dust suppressants.
Standardized testing procedures and data analysis methods were established.
Calcium chloride and polyacrylamide solutions demonstrated effective dust suppression, while Triton X-100 performed poorly.

Conclusions:

The proposed evaluation system provides a credible and standardized method for assessing chemical dust suppressants.
This framework aids in selecting safe, efficient, and economical dust control solutions.
The system is flexible and adaptable to different application requirements.