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Smell of success: Hong Kong researcher aims to improve environment through air purification method that can lower stink

  • Cathy Jim has created products that purify the air by turning pollutants into water and carbon dioxide
  • Her patented technology absorbs and decomposes pollutants without causing secondary damage to the environment

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Cathy Jim and her team at RHT Industries have developed a range of products for ventilation systems. Photo: Jonathan Wong

From toilets to sewage ways and pig farms, Cathy Jim Ka-wai is used to places that smell bad, because it is all part of work.

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The research chemist, who specialises in air purification and disinfection, provides professional advice to clients in the public and private sectors in many cities, including Hong Kong, on improving indoor air quality.

Her work involves the use of technology to remove volatile organic compounds, bacteria, viruses, particulates, allergens and odours.

Cathy Jim with some of her innovations that remove impurities in the air. Photo: Jonathan Wong
Cathy Jim with some of her innovations that remove impurities in the air. Photo: Jonathan Wong

“I have been to so many places known for unpleasant smells,” the researcher said, adding she also had to put up with pests attracted to the stink, such as flies, when surveying sites. “To help our clients solve a problem, we have to inspect the place ourselves to evaluate the situation.”

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