Dry Cleaning Slightly Soiled Eggs Versus Washing to Prevent Penetration of Spoilage Bacteria

Dry Cleaning

It has been more than a century since dry cleaning had its origin in Paris, France. Since that time, the dry cleaning process, whereby garments are cleaned in a nonaqueous solvent, has witnessed many refinements. Gasoline and carbon tetrachloride have been replaced as dry cleaning fluids by perchloroethylene (perc, and also known as tetrachloroethylene), Stoddard solvent (a petroleum distillate...

Dry-cleaning of graphene

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Penetration of Spoilage and Food Poisoning Bacteria into Fresh Chicken Egg: a Public Health Concern

Bacterial penetration shortly after inoculation has not been reported extensively. Four strains of bacteria, Salmonella typhimurium (ST), Escherichia coli (EC), Pseudomonas earuginosa (PE) and Stapylococcus aureus (SA), in chicken egg components of Bovan brown were analyzed by serial dilution and scanning electron microscopy. After exposing the fresh eggs to the bacterial strains at concentrati...

Fundamentals of Dry Ice Blast Cleaning Technology

The viability of professional wet cleaning as a pollution prevention alternative to perchloroethylene dry cleaning.

The vast majority of dry cleaners worldwide use the toxic chemical perchloroethylene (PCE), which is associated with a number of adverse health and environmental impacts. Professional wet cleaning was developed as a nontoxic alternative to PCE dry cleaning but has not been widely adopted as substitute technology. In the greater Los Angeles, CA, region, a demonstration project was set up to show...