The Sulfurozador was a popular name for a device that emits

sulfur dioxide Sulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula . It is a toxic gas responsible for the odor of burnt matches. It is released naturally by volcanic activ ...

in closed spaces for sanitation purposes, used extensively in South America, especially in Buenos Aires, to kill rat populations. The device was originally invented in France by

René Marot René (''born again'' or ''reborn'' in French) is a common first name in French-speaking, Spanish-speaking, and German-speaking countries. It derives from the Latin name Renatus. René is the masculine form of the name (Renée being the feminine ...

, and found more widespread use in times of epidemics, such as the plague epidemic in San Francisco. It was used extensively for

fumigation Fumigation is a method of pest control or the removal of harmful micro-organisms by completely filling an area with gaseous pesticides—or fumigants—to suffocate or poison the pests within. It is used to control pests in buildings (s ...

of ships.

References

Pest control techniques French inventions {{chem-stub