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Innovation & Technologie Angebot

Anaerobic digestion technology coupled with the most advanced membranes

Country of Origin: South Korea
Reference Number: TOKR20190131001
Publication Date: 31 January 2019


A Korean company specialized in water treatment system is seeking to form a partnership under license agreement and commercial agreement with technical assistance to expand its overseas markets. The company has developed advanced membrane separation technology to utilize it for anaerobic digestion of waste water. This technology has high efficiency and productivity compared to the existing technology, resulting in increased economic feasibility and reduced cost.


A Korean company established in 2014 aims to create an environmentally sustainable society. The company recognized the importance of new and renewable energy and the presence of a lot of competitors in the industry.
In this situation, the company focuses especially on waste-to-energy technology and has developed the anaerobic digestion technology coupled with the most advanced membranes. Anaerobic digestion is one of water treatment method using microorganism in anaerobic state. Anaerobe does reductive cleavage by taking organic matter in sludge and emits inorganic compound with no profit.
The key technology of this technology is membrane separation, where membrane works as a barrier selectively separates specific component. This technology can be applied to water treatment in superior quality and improvement of the productivity of gaseous biomass.

Features of the technology are as follows:
- Biogas including methane as a main substance is renewable and easy to be stored; it is an energy which is usable as heat and electric power source.
- It has higher gas production and higher COD(Chemical Oxygen Demand) removal rate.
- Step-wise expansion is easy through membrane modulation, saving a footprint.
- Implementation and installation are easy by modifying conventional anaerobic digestion process.
- Oxygen is not need to be supplied, so energy cost for air supply reduces.
- Waste sludge volume is reduced compared to aerobic technology.
- Footprint is minimized because it operates with high organic material load rates.
- Due to closed operation, bad odor and VOC(Volatile Organic Compound) do not flow out, and greenhouse gas is controlled.
- It easily couples with downstream membrane units such as UF(Ultrafiltration Membrane) and RO(Reverse Osmosis Membrane). When coupled with a RO unit, the effluent of RO can be reused for many purposes.

As mentioned, the technology provides new solution with high efficiency and productivity with water treatment and gaseous biomass production. In addition, the reliability of the technology is proven as the company has participated in many of businesses and national projects and achieved good results. With the excellent technological capability, the company wishes to expand its overseas markets and raise profits and to secure global competitiveness in environmental industry through license agreement and commercial agreement with technical assistance.

Advantages and Innovations

This company’s technology overcomes problems produced by the existing anaerobic digestion technology and has features as follows:
- Less loss of sludge(good biological microorganism)
- Superior water quality after treatment
- Durable to shock loading of the raw water
- Smaller footprint and shorter HRT(Hydraulic Retention Time)
Thus, it is able to increase efficiency of water treatment and productivity of gaseous biomass production. For example, according to facility operation data from Chungju Foodwaste Bioenergy Center, by applying this technology, production rate of gaseous biomass increased 20%, and COD(Chemical Oxygen Demand) removal rate reached 90%. Also, operating cost is expected to be reduced as smaller footprint and shorter HRT are needed.

Stage Of Development

Already on the market

Requested partner

- Type of partner sought: companies, public institutions, and private institutions which deal with water treatment and gaseous biomass production
- Specific area of activity of the partner:
Any company and institution related to sewerage system, wastewater treatment, food waste effluent treatment, and national R&D projects related to water treatment and gaseous biomass energy
- Task to be performed: Partners should be interested in forming a partnership under license agreement and commercial agreement with technical assistance to create profits

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