3) wastewater treatment plant, with a mixture of water with air-filling system. With the polluted water, waste problems, conscious that he was born in Sakon Nakhon province, Nong Nong Han, which is receiving wastewater from households in the municipality, the conditions exceeds Sakon capability in support of the waste. BA God King therefore granted Royal development concept. Theory of wastewater treatment plants with a mixture of water with air-filled system at Nong Nong Han-Sakon Nakhon province, which is also a natural way with the combination of the technology budget. With the Department of fisheries in cooperation with the Department of education and the construction of irrigation canals carry water treatment systems in these areas. With water plants, which is a method of treatment with the natural way, waste water treatment in the area of 84.5 acres and the construction was completed in 2537 (Office of national water resources Board, 2539:222).
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