Ultrasonics Wave as anti-Bacteria of Coliform in The Kahayan River Palangka Raya
Luqman Hakim (a), Siti Sunariyati(b),Karelius(c),Neny Kurnuawati(a), Widya Krestina(b), Dyah Ayu Pramoda Wardani(c)
(a)Departement of Physics, Faculty of Mathematic and Natural Science, Palangka Raya University, Palangka Raya, Indonesia *luqman_h[at]mipa.upr.ac.id
(b)Departement of Biology, Faculty of Mathematic and Natural Science, Palangka Raya University, Palangka Raya, Indonesia
(c)Departement of Chemistry, Faculty of Mathematic and Natural Science, Palangka Raya University, Palangka Raya, Indonesia
Abstract
This study aims to utilize the use of ultrasonic waves that function as anti-bacterial coliforms in the Kahayan river water. Water sampling is done using the Grab Sampling technique using the Kemmerer Sampler tool. Water used as a sample is in environmental conditions. The application of ultrasonic waves is done by using frequency variations of 20 kHz, 30 kHz, 40 kHz, 50 kHz, and 60 kHz at 5 minutes to get the optimum frequency. Coliform test was carried out by the MPN method, with the stages of the estimation test, affirmation test, and colony calculation. MPN test results show that the use of ultrasonic as the optimum anti-bacterial at a frequency of 40 kHz. Efficiency in this treatment is 89.9%.
Keywords: Ultrasonic wave, anti-bacterial, Grab Sampling, Coliform
Topic: Physics