Reporters: Mr.Konto Pantongkam, Asst.Dr.Pituk Bunnoon, Asst.Dr.Phatchakorn Areekul, Mr.Sutaporn Getpun
Evidence Date: 13 September 2023
Related SDGs:
Related Indicators: 7.4.1, 7.4.3, 7.4.4, 7.4.5
Details:
This research aims to utilize solar and wind energy to generate electricity for a wastewater treatment system in the seafood industry, reducing reliance on grid electricity. The project uses a 350-watt solar panel to control the movement of the panels according to the sun’s position and two 70-watt vertical axis wind turbines. A 12-volt, 150 amp-hour battery stores the energy, which is managed by an Arduino control board and programmed through a Lattepanda board. The generated electricity powers an 80-liter wastewater treatment system.
Figure 1 shows the solar with wind energy wastewater treatment system and the electrical circuit connections from the solar panels and wind turbines.
Figure 2 illustrates the circuit for electricity generation and distribution for the wastewater treatment system, along with the display of electrical output and water quality parameters.
Chemical mixing tank.
Settling tank
Aeration tank
Figure 3 illustrates the characteristics of the wastewater treatment system powered by solar and wind energy.
Testing showed that the system effectively reduced COD, suspended solids, and dissolved solids by 98.17%, 98.12%, and 62.95%, respectively, all within legal standards. The average electricity production from solar and wind sources was 3,002.8 watts per hour, while the treatment process required 296 watts per hour. The cost per cubic meter of treatment was 7.61 baht, indicating that the produced electricity was sufficient for operational needs, with higher production rates in the summer compared to the rainy season. This research was presented by Kittikorn Khanklaeo and the research team from Rajamangala University of Technology Srivijaya. Published in the Research Journal of Rajamangala University of Technology Srivijaya, 15(1): 49-59 (2023).
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