Ozone-Mediated Washing Process of Reference Stain Textile Monitors

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.