Certificates
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“We are always committing our utmost efforts to improve our technologies.”
Seshin Clean’s patents and certifications are as follows.
Certificate of product registration
This is the certificate for our High efficiency anaerobic SHAD product registration.
Certificate of Patent 1
Find out more about the certificates of patent on our developments and technologies.
Certificate of Patent 2
Find out more about the certificates of patent on our developments and technologies.
Certificate of registration for machinery installation business
Find out more about our certificates of registration for the machinery installation business.
Certificate of registration for specialized water quality environment construction
Find out more about our certificate of registration for specialized water quality environment construction.
Certificate of water environment management outsourcing agent
Find out more about our certificate of registration for water environment management outsourcing agent.
Certificate of individual sewage treatment business
Find out more about our certificate of registration for individual sewage treatment business.
Status of possessed technologies and patents
- 1997
- • Method and system to treat wastewater containing highly concentrated organic matter, nitrogen, and phosphorus (Patent No. 0432645)
- 1998
- • Introduced high efficiency anaerobic microbial digester technology from US MBI.
- 2001
- • Commenced environmental technology promotional next generation core technology development project sponsored by the Ministry of Environment.
- • In cooperation with UASB, developed a livestock wastewater treatment system in combination with a suspended microbial oxidation process (HBC).
- 2004
- • High efficiency anaerobic hybrid digester for organic matter treatment (Patent No. 2004-0068208)
- 2005
- • Method and system to treat wastewater containing nitrogen and phosphorus (Patent No. 2005-0070671)
- 2006
- • Registered high efficiency anaerobic bioreactor “SHAD” trademark (Trademark registration No. 40-0664884)
- 2007
- • Develops a system to treat organic matter containing nitrogen and phosphorus (April 1, 2007) – Happy Farm in Gunsan.
- • Published a book, “Treatment of Anaerobic Organisms in Wastewater”.
- 2008
- • Developed a granulation agent for an anaerobic digester.
- • Installed a power plant water treatment (coolant water and wastewater) system.
- 2009
- • Installed a PTA wastewater anaerobic treatment system (SKC).
- 2010
- • Successfully completed the environmental technology promotional next generation core technology development project sponsored by the Ministry of Environment.