Sentences with phrase «used cigarette filters»

Not exact matches

The nano - catalyst filter uses a technology that decomposes elements of cigarette smoke using oxygen radical, which is generated by decomposing ozone in the air on the surface of the manganese - oxide - based nano - catalyst filter.

The research team led by Dr. Jongsoo Jurng and Dr. Gwi - Nam at KIST stated that, «In cooperation with KT&G, KIST has developed a nano - catalyst filter coated with a manganese oxide - based nano - catalyst, which can be used in a smoking room to reduce and purify major harmful substances of cigarette smoke.

Cigarette waste such as ashes and discarded filters can have important uses.

«Numerous countries are developing strict regulations to avoid the trillions of toxic and non-biodegradable used - cigarette filters that are disposed of into the environment each year — our method is just one way of achieving this,» said Professor Jongheop Yi, from Seoul National University.

You also have to remember that Pot smoker's do not use a filter like a cigarette user usually does.