Bhumibol's Chaipattana surface aerator
Aireador de superficie Chaipattana de Bhumibol
- Date
- 1993 · confidence medium
- Place
- Chitralada Palace, Bangkok, Thailand
- Credited to
- King Bhumibol Adulyadej
- Field
- Matter & energy
⚠️ Disputed: the sources disagree.
What it is
A low-speed floating aerator with a paddle turbine that oxygenates wastewater and polluted canals. Patented in 1993 in the name of King Bhumibol, it was used to clean ponds and Bangkok's waterways.
It is a Thai patent (1993) in the king's name; engineers from the Royal Irrigation and Land Development departments collaborated on the design. Paddle and surface aerators existed before.
What it led to
- cheap wastewater treatment with surface aerators
- water-quality projects in Bangkok
- an invention credited to a monarch with a Thai patent