A method of immobilized granular bioactivated carbon for treating pharmaceutical wastewater
A bioactivated carbon and pharmaceutical wastewater technology, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve unsatisfactory removal effect, secondary pollution of sludge, long residence time and other problems, to achieve the effects of small footprint, reduced processing costs, and improved processing effects
Inactive Publication Date: 2016-10-05
BOHAI UNIV
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Problems solved by technology
The physical method can only remove the oily substances in the water, and the removal effect on other organic matter is not ideal; the traditional biological treatment method is relatively stable in operation and has a good treatment effect, but it occupies a large area and has a long residence time. secondary pollution problem
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Embodiment 1
[0034] The embodiment of the present invention provides a kind of method for immobilized granular bioactivated carbon treatment pharmaceutical waste water, refer to figure 1 As shown, specifically, the method includes:
[0035] (1) Coagulation: take 500mL of pharmaceutical wastewater, the turbidity range of which is 60-275 (NTU), and the chemical oxygen demand COD range is 804-5400mg / L. Design two small experiments, add coagulant aluminum sulfate and polyacrylamide respectively, analyze the removal effects of different dosages on turbidity and chemical oxygen demand COD, and determine the optimal reaction conditions, the results are shown in Table 1 and Table 2 shown. It can be seen from the table that the optimal dosages of aluminum sulfate and polyacrylamide are 4.4mL / L and 1.0mL / L, respectively.
[0036] Table 1 Effect of coagulant aluminum sulfate dosage on turbidity and COD
[0037]
[0038]
[0039] Table 2 Effect of polyacrylamide dosage on turbidity and COD
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The invention discloses a method for treating pharmaceutical waste water with immobilized granular biological activated carbon, which belongs to the field of waste water treatment. In the invention, the immobilized granular biological activated carbon is used in treating pharmaceutical waste water, and the treatment effect is evaluated by the removal rate of two important indicators of turbidity and chemical oxygen demand (COD). The method comprises pretreatment of pharmaceutical waste water through coagulation, sand filtration and intermediate pool aeration, and passing the pretreated water sample through immobilized granular biological activated carbon column. The treatment of pharmaceutical wastewater by immobilizing granular biological activated carbon not only reduces the treatment cost of pharmaceutical wastewater, but also improves the treatment effect of pharmaceutical wastewater.
Description
technical field [0001] The invention relates to the field of waste water treatment, in particular to a method for treating pharmaceutical waste water with immobilized granular biological activated carbon. Background technique [0002] With the development of science and technology, the pharmaceutical industry is also constantly advancing. Pharmaceutical wastewater has complex components, high organic content, high toxicity, deep color and high salt content, especially poor biochemical properties, and direct discharge is very harmful to the human body. Therefore, effective treatment of pharmaceutical wastewater urgently needs to be solved. [0003] At present, there are many methods for the treatment of pharmaceutical wastewater, and the main methods used include physical methods, physical chemical methods, and traditional biological methods. The physical method can only remove the oily substances in the water, and the removal effect on other organic matter is not ideal; the...
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IPC IPC(8): C02F9/14
Inventor 丛俏曲蛟秦洪伟
Owner BOHAI UNIV