Method for treating domestic sewage by applying light ceramic suspended filler moving bed
A technology of suspended filler and lightweight ceramsite, which is applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problem of poor impact load resistance of biofilm and phosphorus removal effect Poor, semi-soft filler entanglement and other problems, to achieve the effect of facilitating general application and promotion, increasing biodegradability, and increasing the speed of film formation
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[0030] Example 1
[0031] Under the condition of water temperature 25~29℃, pump sewage from a certain place in the south into hydrolysis acidification tank 1 with a filling rate of 60%, and hydrolysis acidification tank 1 has an effective volume of 6.75m 3 , Hydrolysis acidification tank 1 has a built-in asbestos tile with a rough surface, the filling rate is 30%, and the built-in plastic semi-soft filler, the filling rate is 30%, and the residence time is 6.0h; the water from the hydrolysis acidification tank enters the suspended packing moving bed 5, ( The filler 15 is a light ceramsite filler with a spherical appearance, a particle size of 8-12mm, and the bulk density of ceramsite is 350-400kg / m 3 , The particle density is 600~700kg / m 3 , The porosity is about 40%, the cylinder compressive strength is about 1.0Mpa, the 1h water absorption is about 12%, and the specific surface area is about 3.5~4.0cm 2 / g, provides a habitat with a relatively large specific surface area for micr...
Example Embodiment
[0033] Example 2
[0034] Under the condition of water temperature 25~29℃, pump sewage from a certain place in the south into hydrolysis acidification tank 1 with a filling rate of 60%, and hydrolysis acidification tank 1 has an effective volume of 6.75m 3 , Hydrolysis acidification tank 1 has a built-in asbestos tile with a rough surface, the filling rate is 30%, the built-in plastic semi-soft filler, the filling rate is 30%, and the residence time is 5.0h; the supernatant liquid from the hydrolysis acidification tank enters the suspended packing moving bed 5, ( The filler 15 is a light ceramsite filler with a spherical appearance, a particle size of 8-12mm, and the bulk density of ceramsite is 350-400kg / m 3 , The particle density is 600~700kg / m 3 , The porosity is about 40%, the cylinder compressive strength is about 1.0Mpa, the 1h water absorption is about 12%, and the specific surface area is about 3.5~4.0cm 2 / g, provides a habitat with a relatively large specific surface area...
Example Embodiment
[0036] Example 3
[0037] Under the condition of water temperature 25~29℃, pump sewage from a certain place in the south into hydrolysis acidification tank 1 with a filling rate of 60%, and hydrolysis acidification tank 1 has an effective volume of 6.75m 3 , Hydrolysis acidification tank 1 is built with asbestos tiles with rough surface, filling rate is 30%, built-in plastic semi-soft filler, filling rate is 30%, residence time is 4.0h; the supernatant liquid from the hydrolysis acidification tank enters the suspended packing moving bed 5, ( The filler 15 is a light ceramsite filler with a spherical appearance, a particle size of 8-12mm, and the bulk density of ceramsite is 350-400kg / m 3 , The particle density is 600~700kg / m 3 , The porosity is about 40%, the cylinder compressive strength is about 1.0Mpa, the 1h water absorption is about 12%, and the specific surface area is about 3.5~4.0cm 2 / g, provides a habitat with a relatively large specific surface area for microorganisms) r...
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