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Treatment process and device of wastewater produced by erythromycin thiocyanate

A technology for producing erythromycin thiocyanate and waste water, which is applied in natural water treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., and can solve the problem of complex composition, high concentration of suspended solids, and refractory degradation Problems such as high material content, to achieve stable and reliable treatment effect, low investment and high efficiency

Active Publication Date: 2013-09-25
SHANDONG PACIFIC ENVIRONMENTAL PROTECTION
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Problems solved by technology

[0004] Based on the characteristics of this kind of wastewater, it can be seen that erythromycin thiocyanate production wastewater belongs to antibiotic production wastewater, with complex composition, high content of organic matter, strong inhibition of biological toxicity, high content of refractory substances, high concentration of suspended solids, and Large and other features

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  • Treatment process and device of wastewater produced by erythromycin thiocyanate
  • Treatment process and device of wastewater produced by erythromycin thiocyanate

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Embodiment Construction

[0019] Further description below in conjunction with accompanying drawings.

[0020] A treatment device for erythromycin thiocyanate production wastewater, comprising a water collection well 1 connected to a high-concentration waste water pipe, the water collection well 1 is connected to a four-effect evaporator 2 through a pump, and the low-concentration water outlet of the four-effect evaporator 2 is connected to the The adjustment tank 3 is connected, and the outlet of the remaining wastewater is connected to the concentration process. The adjustment tank 3 is connected to the hydrolysis acidification tank 4. The hydrolysis acidification tank 4 is connected to the PEIC anaerobic reactor 6 through the water distribution well 5, and the PEIC anaerobic reactor 6 is connected to the first-level A / O activated sludge pool 7, the primary A / O activated sludge pool 7 is connected to the ozone-Fenton reaction pool 9 through the middle sedimentation tank 8, and the ozone-Fenton reacti...

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Abstract

The invention relates to a treatment process and device of wastewater produced by erythromycin thiocyanate. The treatment process comprises the following steps of: evaporating high-concentrate wastewater produced by erythromycin thiocyanate by an evaporator in cycle, mixing evaporated low-concentrate water with low-concentrate wastewater produced by the erythromycin thiocyanate, then carrying out hydrolytic acidification, adjusting the pH value, carrying out anaerobic microbial decomposition, precipitating the decomposed wastewater after treatment by active sludge, carrying out ozone oxidization treatment on a clear liquid, and precipitating and discharging after treatment by the active sludge. The wastewater disclosed by the invention adopts the biological treatment process of combining 'four-effect evaporator, hydrolytic acidification, two-stage contact oxidation process and advanced treatment (ozone-Fenton reaction)'. Thus, the treatment device is low in energy consumption, small in investment, high in efficiency, and stable and reliable in treatment effect.

Description

technical field [0001] The invention relates to a waste water treatment process and device, in particular to a treatment process and device for erythromycin thiocyanate production waste water. Background technique [0002] Erythromycin thiocyanate production wastewater is a high-concentration organic wastewater with poor biodegradability. It is difficult to meet the discharge standards only by aerobic treatment process. Anaerobic reaction structures with high organic matter removal rate and good treatment effect are needed. [0003] The content of organic matter, total nitrogen and thiocyanate ions in high-concentration wastewater such as sulfur red mother liquor, recovery solvent and bacterial residue wastewater in erythromycin thiocyanate production wastewater is high, and this part of wastewater needs to be strengthened. The content of total nitrogen and thiocyanate can ensure that the wastewater will not inhibit microorganisms. [0004] Based on the characteristics of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/36
Inventor 朱杰高薛俊仁
Owner SHANDONG PACIFIC ENVIRONMENTAL PROTECTION
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