Biological agent for treating ammonia-nitrogen-containing wastewater and preparation method thereof
A biological agent and sewage technology, applied in the field of microorganisms, can solve the problems that the ammonia stripping method is not suitable for large-scale industrial applications, chemical methods are easy to cause other pollution, and enterprises are difficult to accept, so as to improve the efficiency of biological oxidation and biological treatment. , easily acceptable effect
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Embodiment 1
[0026] A biological preparation for treating ammonia nitrogen sewage is prepared according to the following method:
[0027] Step 1) Preparation of paste liquid: drying the wheat straw, pulverizing it into wheat straw powder with a pulverizer; drying peanut shells, pulverizing it into peanut shell powder with a pulverizer; adding the above wheat straw powder and peanut shell powder into Then add soybean meal and water to the stirring tank, and after stirring at a speed of 500 rpm for 15 minutes, the material in the stirring tank is sent into the reactor, and steam is introduced into the reactor to maintain the temperature of the reactor at 95 ° C. Incubate the reaction for 30 minutes, and finally get it by natural cooling; the mass ratio of wheat straw powder, peanut shell powder, soybean meal and water is 1:2:3:5;
[0028] Step 2) Preparation of auxiliary materials for biological preparations: firstly, the zeolite is pulverized to obtain zeolite powder with a particle size of...
Embodiment 2
[0033] A biological preparation for treating ammonia nitrogen sewage is prepared according to the following method:
[0034] Step 1) Preparation of paste liquid: drying the wheat straw, pulverizing it into wheat straw powder with a pulverizer; drying peanut shells, pulverizing it into peanut shell powder with a pulverizer; adding the above wheat straw powder and peanut shell powder into Then add soybean meal and water to the stirring tank, and after stirring at a speed of 500 rpm for 15 minutes, the material in the stirring tank is sent into the reactor, and water vapor is introduced into the reactor to maintain the temperature of the reactor at 100 ℃, Incubate the reaction for 30 minutes, and finally get it by natural cooling; the mass ratio of wheat straw powder, peanut shell powder, soybean meal and water is 1:2:3:5;
[0035]Step 2) Preparation of auxiliary materials for biological preparations: firstly, the zeolite is pulverized to obtain zeolite powder with a particle siz...
Embodiment 3
[0047] Industrial application: The preparation is used to treat high-concentration ammonia nitrogen industrial sewage from a fertilizer factory in Hedong District, Linyi City. First, the suspended solids in the sewage are removed, and then the pH of the sewage is adjusted to 7 by adding hydrochloric acid. 20 grams of biological preparations were added once a day for three consecutive days, and then allowed to stand for another week, the liquid was filtered and sterilized, and finally discharged. After testing, the preparation has a better effect of removing ammonia nitrogen, and the treatment effect is as follows in Table 1:
[0048] Table 1
[0049]
[0050] Conclusion: The biological preparation of the invention can effectively remove ammonia nitrogen, sulfide and aniline substances in sewage, the removal effect is good, the discharge standard is met, the cost is low, and it can be accepted by enterprises.
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