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System for improving the indoor environment of buildings by growing plants offered for licensing

Country of Origin: Czech Republic
Reference Number: TOCZ20200117006
Publication Date: 30 March 2020

Summary

Czech R&D institution has developed a technology, which minimizes the need for interior plant maintenance while creating suitable conditions for plant growth that positively impact indoor environment. The technology is offered for licensing.

Description

Humans acquire houseplants both for their aesthetic function and for the beneficial effect on the indoor environment in rooms where they reduce CO2 concentration and increase air humidity. 

However, the benefits are redeemed by the need for regular watering and other maintenance. Taking care of them, however, requires a lot of time and other costs.

Disclosed system ensures automatic adjustment of plant living conditions in a close cultivation space. Using an advanced sensory system, it measures the state of the environment inside the plant area and controls the regulatory elements that adjust the conditions in cultivation space according to the measured values. The technology is designed for selected mix of C3 and C4 plants and uses a controlled hydroponic system for the continuous supply of nutrients.

C3 plants uses C3-cycle or Calvin cycle for dark reaction of photosynthesis. C4 plants uses C4-cycle or Hatch-Slack Pathway for the dark reaction of photosynthesis. Examples of C3 plants: Wheat, Rye, Oats, Rice, Cotton, Sunflower, Chlorella. Examples of C4 plants: Maize, Sugarcane, Sorghum, Amaranthus.

Cultivation space is also equipped with controlled ventilation and lighting. Ventilation is controlled to maximize impact of plants to indoor environment while lighting and nutrients supply to provide the cultivation space with the best conditions for plants.

The technology offered from the Czech researchers is offered in two variants. The first one is designed for indoor environment as a solitary decorative element for interiors, for example in large-scale offices, restaurants, etc. The second variant can be installed in the outdoor building constructions (into the building´s envelope).

The disclosed technology can be used also in environments sensitive to pollution or allergens, such as hospitals or schools.

The automatic control system measures the conditions in the cultivation chamber and the room around:

- Temperature and relative humidity in the room
- Temperature and relative humidity inside the plant chamber
- Concentration of CO2 - inside plant chambre and the room
- Surface temperature of external glazing
- PH and temperature of nutrients solution
- Level of nutrients solution
- Illumination
- Substrate moisture (if the substrate is used)

Controlled devices:
- Ventilation fans of the inner plant chamber
- Nutrients solution supply system
- LED light source (intensity and light spectrum)

The disclosed technology is offered by the R&D Institution for licensing to companies interested in exercising intellectual property rights and secret know-how for manufacturing, selling, renting or developing products produced.

Advantages and Innovations

While people have to take care of regular plants every week disclosed technology requires human intervention only about once every three months. Although the automatic system is dependent on electricity supply, its energy consumption is designed to be minimal.

- The technology provides increased comfort while improving indoor environment quality for healthy life.
- It decreases air contaminants especially CO2 concentration and improves air humidity parameters.
- Supports different kinds of plants by adjusting conditions to their specific needs.
- The system reflects conditions in the building indoor environment and plants´ water requirements
- Low maintenance technology
- Decreases costs for growing plants
- Simple construction
- High reliability

IPR status

Patents granted,Trade Marks

Stage Of Development

Prototype available for demonstration

Requested partner

The technology is offerred to companies for licensing. Partners sought to be interested in exercising intellectual property rights and know-how of the disclosed technology in manufacturing, selling, renting or developing products produced.

Kooperationsanfrage stellen