Korea: New recycling technology developed for hydroponic culture fluids

A South Korean research team has succeeded in developing a circular-type hydroponic system that can be used for vertical and smart farms.

The Korea Institute of Science and Technology announced that researchers had developed a new method of effectively managing the number of microbes in a circular-type hydroponic system.

In hydroponic systems, about 20 to 30 percent of culture fluids are typically discharged without being absorbed by crops, causing environmental pollution and an increase in farming costs. To address such issues, efforts are underway to promote circular-type hydroponic systems, which recycle used culture fluids through ultraviolet (UV) light sterilization.

This method, however, has not been readily accepted since it requires a significant initial investment for the purchase of foreign-made UV light sterilization equipment. The research team developed a UV light sterilization system that has similar performance to imported devices while being available at a less than half price.

Read the complete article at www.koreabizwire.com

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