Patents

2019

Thiravetyan P., Treesubsuntorn C., Dolphen R., P. Dhurakit, (2019) External structure of botanical biofilter (Product design patent application number 190200273, July 24 2019.

2018

Thiravetyan P., Boraphech P., and Treesubsuntorn C., (2018) Botanical biofiltration system for volatile organic compounds (Petty Patent number 14415 June, 7 2016).

2017

Thiravetyan P, Dolphen R., Treesubsuntorn C., P. Dhurakit, (2016) Air Rotating Biofilter (Petty Patent number 12889 July, 20 2017).

2016

Dolphen R., Treesubsuntorn C., and Thiraveyan P., (2014) Biofilter for treatment of volatile organic compounds and process of production(Petty Patent number 12237 December, 28 2016).

2014

Thiravetyan, P., Nilratnisakorn, S., Maneesuwannarat, S., Dhurakit, P. and Nakbanpote, W. (2014) Treatment system of wastewater containing color and/or organic compounds in wetland including adjusted containers (Petty Patent No. 9321).

2013

Thiravetyan, P., Nakbanpote, W. and Dolphen, R. (2013) Process of treatment of cadmium-contaminated soil (Petty Patent No. 8047).

2010

Thiravetyan, P., Aworn, A. and Nakbanpote, W. (2010) Process of production of activated carbon from corncob (Petty Patent No. 5434).

2009

Thiravetyan, P., Leechart, P., Suksabye, P. and Nakbanpote, W. (2009) Process of preparation of coir pith as an adsorbent in cylinder container for treatment of heavy metal from industrial factory (Petty Patent No. 4900)

2007

Thiravetyan, P., Dolphen, R., Sakkayawong, N. and Nakbanpote, W. (2007) Process of modified chitin by sodium hyperchlorite (Petty Patent No. 4003)

2005

Thiravetyan, P., Nakbanpote, W., Netpradit, S. and Thiraket, P. (2005) Wastewater containing color and/or heavy metals system and process to treatment of wastewater containing color and/or heavy metals ( Petty Patent No. 1887)