A device and method for removing ammonia nitrogen from anaerobic digestion fermentation broth
A technology for anaerobic digestion and fermentation broth, applied in chemical instruments and methods, separation methods, degassed water/sewage treatment, etc., can solve problems such as rare reports, and achieve long service life, strong controllability and simple structure Effect
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Embodiment 1
[0041] Such as figure 1 As shown, a device for removing ammonia nitrogen in anaerobic digestion fermentation liquid includes: a denitrification reaction tank, an ammonia trap and a gas circulation system, wherein: the denitrification reaction tank includes a stainless steel tank body and an electric heating jacket 3 , the ammonia trap includes a dilute sulfuric acid solution trap 8, a water trap 9, and the gas circulation system includes a gas flow meter 7, an air pump 10, an air bag 11 and a gas pipe connecting the entire passage.
[0042] Such as figure 1 Shown, in the described denitrification reaction tank:
[0043] The stainless steel tank body has inner and outer layers, and the electric heating jacket 3 is arranged in the interlayer of the inner and outer layers of the stainless steel tank body, and the electric heating jacket 3 is set and controlled by a temperature controller to control the temperature inside the stainless steel tank body. temperature.
[0044] Fur...
Embodiment 2
[0059] A method for removing ammonia nitrogen in anaerobic digestion fermentation liquid, including device connection and system air tightness inspection; gas circulation in the device under certain temperature conditions; absorption of ammonia nitrogen in the circulating gas; sulfuric acid solution in the ammonia trap Configuration; Calculation of nitrogen loss before and after denitrification of fermentation broth; Calculation of denitrification efficiency.
[0060] The specific operation steps include:
[0061] (1) Complete the configuration of the dilute sulfuric acid solution in the ammonia trap, place the prepared dilute sulfuric acid solution and deionized water in a corresponding airtight container and seal it;
[0062] (2) Fill the air bag in the channel with N 2 ;
[0063] (3) Complete the connection between the denitrification reaction tank, the ammonia trap and the components of the gas circulation system of the device, and conduct an air tightness inspection on ...
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