Artificial light source adjusting method utilizing chlorella to purify pig manure waste water
An adjustment method and technology of artificial light source, applied in the field of environmental engineering, can solve the problems of increased operating cost of aerobic treatment unit, low treatment efficiency, small volume load of organic matter, etc., and achieve the effect of high photosynthesis efficiency
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[0020] The present invention will be described in detail below through examples.
[0021] An artificial light source adjustment method that uses chlorella to purify pig manure wastewater. The pig manure wastewater is used as a nutrient substrate for chlorella culture, and LED lights of certain specific wavelengths are used as artificial light sources, and the light intensity adjustment method is stepwise. Realize the goal of promoting the growth of chlorella economically and efficiently to improve the purification effect of pig manure wastewater.
[0022] The following are the specific steps:
[0023] (1) Using Chlorella ( Chlorella Vulgaris ), with a fixed culture temperature of 25 degrees Celsius, initial pH=6.5, chlorella inoculation rate of 1:3, light-dark ratio of 12h:12h, and under the condition of 2000 Lux light intensity, the test is performed in white, red, blue, green, The degradation effect of dry weight and pollutant chemical oxygen demand (COD), total nitrogen (TN) and...
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