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Based on: Industry Standards and Best Practices

Languages: English

Sample Transcript

Chlorine Dioxide Generation Chemical Safety and Environmental Awareness

Training Time: 26 minutes

For the majority of bleach plants in operation today, chlorine dioxide is produced by combining sodium chlorate, methanol, and sulfuric acid. This course discusses the hazards each of these chemicals present as well as the protective measures that should be taken while working with or around them.

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Chlorine dioxide boils at 52˚F so at room temperature and atmospheric pressure chlorine dioxide is a gas.

Using chlorine dioxide to bleach pulp releases harmful absorbable organic halides (AOX) into the environment.

The chemicals involved in chlorine dioxide generation are hazardous. Appropriate PPE is a must to prevent injury.

Learning Objectives

  • Identify the hazardous chemicals used for chlorine dioxide generation and bleaching
  • Describe the safety hazards and guidelines for chlorine dioxide
  • Describe the safety hazards and guidelines for sodium chlorate
  • Describe the safety hazards and guidelines for sulfuric acid
  • Describe the safety hazards and guidelines for methanol
  • Describe Process Safety Management and how it applies to chlorine dioxide processes
  • Identify and describe the purpose of the cluster rule
  • Explain how air and water pollution from chlorine dioxide generation and bleaching processes are controlled
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Chlorine Dioxide Safety & Awareness FAQs

What hazardous chemicals are used to generate chlorine dioxide?
Most processes used today use methanol, sodium chlorate, and sulfuric acid, which are all hazardous. Chlorine dioxide is also hazardous.

What are the main hazards of chlorine dioxide?
Chlorine dioxide can be a serious threat to respiratory system. Exposure to high concentrations can be fatal.

What are the main hazards of methanol?
Methanol is highly flammable but the flame is almost invisible in daylight. It is highly toxic if it gets absorbed through skin, ingested, or inhaled.

What are the main hazards of sodium chlorate?
Sodium chlorate is only a mild skin irritant, but small quantities (5-10 g) can be fatal if ingested.

What are the main hazards of sulfuric acid?
Sulfuric acid is highly corrosive so it will cause severe chemical burns if it contacts your skin or eyes.

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