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Oxidative Cleavage of Alkenes: Ozonolysis

Oxidative Cleavage of Alkenes: Ozonolysis

In ozonolysis, ozone is used to cleave a carbon–carbon double bond to form aldehydes and ketones, or carboxylic acids, depending on the work-up.
Ozone is a symmetrical bent molecule stabilized by a resonance structure.

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Deposition of Porous Sorbents on Fabric Supports

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Ozone-Mediated Washing Process of Reference Stain Textile Monitors.

Tanja Pušić¹, Vanja Šantak², Tihana Dekanić¹

¹University of Zagreb Faculty of Textile Technology, Prilaz baruna Filipovića 28a, 10000 Zagreb, Croatia.

|July 30, 2025

Summary

Optimizing textile washing involves balancing temperature and chemical action. Higher detergent and bleach concentrations, along with ozone, effectively removed stains across tested temperatures.

Keywords:

detergent monitors ozone sanitation stain removal washing process

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Area of Science:

Textile chemistry
Cleaning science
Applied surface science

Background:

Complex color stains on textiles necessitate precise thermal and chemical conditions during washing.
The Sinner cycle, a key component of washing, involves balancing these factors for optimal stain removal.

Purpose of the Study:

To analyze the impact of thermal and chemical factors on stain removal from textiles.
To investigate the synergistic effects of liquid detergent, bleach, and ozone concentrations at various temperatures.

Main Methods:

Standard cotton fabrics stained with tea, red wine, and blood/milk/ink were used as monitors.
Washing processes varied liquid detergent, bleach, and ozone composition at temperatures from 30°C to 90°C.
Spectral parameters and statistical analyses (cluster analysis, ANOVA) evaluated stain removal and sanitation effects.

Main Results:

Ozone demonstrated a selective influence on stain removal, with synergistic effects observed.
Optimal sanitation was achieved with higher concentrations of liquid detergent and bleaching agents across all tested temperatures.
Lower ozone concentrations combined with reduced detergent and bleaching agents positively impacted sanitation at 30°C and 40°C.

Conclusions:

The study highlights the importance of optimizing the Sinner cycle by adjusting detergent, bleach, and ozone levels for effective textile sanitation.
Temperature plays a crucial role, with lower temperatures showing positive sanitation effects under specific low-concentration conditions.