Ultrasonic Waves for Algae Control in dam Lake: A Comprehensive Study of Mamloo Dam
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Dam reservoirs, which are crucial for managing river water quality (WQ), often face challenges from algal blooms caused by nutrient enrichment. This study investigates the use of ultrasonic waves (UWs) to control algal growth in Mamloo Dam. The objective is to assess the effectiveness of this technique and contribute to improved water management strategies.
The study was conducted at Mamloo Dam Reservoir, with sampling at five designated sites. WQ was assessed using a Conductivity Temperature Depth (CTD) device to measure temperature, dissolved oxygen, and chlorophyll A, as well as a DR 6000 spectrophotometer to test for Phosphorus and nitrate levels. Ultrasonic devices from LG Sonic were installed to evaluate their effect on algae control. Phytoplankton samples were collected from the surface to a depth of 2 meters, preserved with Lugol's solution and formalin, and then analyzed under a microscope. This approach aimed to determine the impact of UWs on algal growth and WQ.
The study found that the application of UWs in the Mamloo Dam Reservoir led to a significant reduction in phytoplankton populations, including green algae, diatoms, and cyanobacteria. Chlorophyll A levels showed considerable fluctuations, showing an overall decreasing trend. Additionally, the ultrasonic treatment improved WQ by reducing chemical oxygen demand (COD) and total phosphorus (TP), indicating the efficacy of ultrasonic technology in algae control and WQ improvement.
UWs significantly reduced phytoplankton in the pilot study, showing promise for algae control in small reservoirs. Further research is needed to assess its effectiveness on a larger scale.
- ondas ultrassônicas
- controle de algas
- fitoplâncton
- qualidade da água
- represa de Mamloo
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