CN111704273A

CN111704273A - Treatment device and application method of amantadine-containing wastewater

Info

Publication number: CN111704273A
Application number: CN202010609247.9A
Authority: CN
Inventors: 傅立德; 王海军; 陈伟; 方树鹏
Original assignee: Shanghai Lymax Environmental Protection Equipment Co ltd
Current assignee: Shanghai Lymax Environmental Protection Equipment Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-09-25

Abstract

The invention discloses a treatment device and an application method of amantadine-containing wastewater, and relates to the field of wastewater treatment. Adding sodium hypochlorite into the reaction tank through a sodium hypochlorite dosing system, and stirring to enable the sodium hypochlorite to react with amantadine in the wastewater to form solid matters to be separated out; then separating the generated solid and liquid by a solid-liquid separation device; the resulting supernatant was subjected to residual chlorine removal in a residual chlorine removal unit. The method has the technical effects of small occupied area, low manufacturing cost, low energy consumption, simple operation, capability of efficiently removing the amantadine in the wastewater and the like.

Description

Treatment device and application method of amantadine-containing wastewater

Technical Field

The invention relates to the field of wastewater treatment, in particular to a treatment device and an application method of amantadine-containing wastewater.

Background

At present, relatively few researches on treatment of wastewater containing amantadine are carried out, a small number of researchers carry out treatment by means of Fenton, advanced oxidation, adsorption and the like, the results show that the treatment effect is poor, the cost is high, a large amount of sludge, waste carbon and the like are generated, solid waste treatment formed by materialized sludge is still difficult, and therefore, the search for an economic and reliable treatment method becomes urgent.

As one of the traditional sewage treatment methods, the biochemical method has the advantages of high economic benefit, low treatment cost and the like, is widely used at present, and becomes the preferred process type of secondary sewage treatment. However, amantadine, as an antiviral agent, has a strong cage structure which is very stable and makes it difficult for microorganisms to decompose, and if the concentration of amantadine in water is high, it inhibits or even kills microorganisms. The biodegradability of amantadine is very poor, and if the substances are not controlled and directly enter a biochemical treatment system, the sludge of the biochemical system is inevitably dead and even collapsed, so that the effluent cannot reach the standard. Therefore, the removal or reduction of the concentration of amantadine entering the biochemical system is the key to the biochemical treatment problem of the organic wastewater containing amantadine.

Therefore, a method for treating the amantadine-containing wastewater, which is simple to operate and low in operating cost, is urgently needed.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a method for treating amantadine-containing wastewater with simple operation and low running cost.

In order to achieve the purpose, the invention provides a treatment device for amantadine-containing wastewater, which comprises a sodium hypochlorite dosing system, a reaction tank, a solid-liquid separation device and a residual chlorine removal device, wherein the sodium hypochlorite dosing system, the reaction tank, the solid-liquid separation device and the residual chlorine removal device are sequentially connected.

Further, the reaction tank comprises a stirring device.

Further, the stirring device is any one of gas stirring, mechanical stirring or jet stirring.

Further, the solid-liquid separation device is any one of an air floatation device, a sand filter, a precision filter and an ultrafiltration membrane.

An application method of an amantadine wastewater treatment device is characterized by comprising the following steps:

step 1, adding sodium hypochlorite into the reaction tank through the sodium hypochlorite dosing system, and stirring for a certain time to enable the sodium hypochlorite to react with amantadine in wastewater to form solid matters to be separated out;

step 2, separating the generated solid and liquid through a solid-liquid separation device;

and 3, removing residual chlorine from the supernatant generated in the step 2 in the residual chlorine removal device.

Further, the stirring time in the step 1 is 20-30 min.

Further, the ratio of the sodium hypochlorite to the amantadine in the wastewater in the step 1 is 0.5-1: 1.

further, ferrous sulfate and PAM were added in the step 1.

Further, the residual chlorine removal mode in the step 3 is to add a reducing agent or use an adsorption device.

Further, the adsorption device is an activated carbon filter.

The method has the technical effects of small occupied area, low manufacturing cost, low energy consumption, simple operation and capability of efficiently removing the amantadine in the wastewater.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a schematic view of an amantadine wastewater treatment apparatus according to a preferred embodiment of the present invention;

FIG. 2 is the results of amantadine removal in accordance with a preferred embodiment of the present invention;

FIG. 3 is a photograph showing the effect of sedimentation after the addition of varying amounts of sodium hypochlorite in accordance with a preferred embodiment of the present invention;

FIG. 4 shows the result of amantadine removal rate according to a preferred embodiment of the present invention.

Wherein: 1-sodium hypochlorite dosing system; 2-a reaction tank; 3-a solid-liquid separation device; 4-residual chlorine removing device.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

Example 1

As shown in figure 1, 1000mg/L and 500mg/L sodium hypochlorite are respectively added into a reaction tank 2 through a sodium hypochlorite dosing system 1, and the mixture is stirred for 30min to react with 1000mg/L amantadine (water sample 500ml +0.5g amantadine) to form solid matters to be precipitated; the generated solid and liquid are separated by a solid-liquid separation device 3; the resultant supernatant liquid is subjected to residual chlorine removal in the residual chlorine removal device 4.

The TOC concentration before and after the reaction was analyzed by filtration, and the removal rate was as high as ninety percent as shown in FIG. 2. As shown in fig. 3, significant precipitation occurred after the addition of sodium hypochlorite, and was easily precipitated without back dissolution. And the sodium hypochlorite and the amantadine should have an optimal reaction ratio, and the supernatant is turbid when too much sodium hypochlorite is added.

Example 2

In a certain fine chemical plant, molecular sieve products are produced, and the waste water contains about 300mg/L of amantadine. Waste water gets into reaction tank 2, adds sodium hypochlorite at reaction tank 2 through sodium hypochlorite medicine system 1 after that, stirring reaction 20 ~ 30min, and the overflow is gone into the flocculation and sedimentation tank, adds ferrous sulfate and PAM, and stirring reaction then gets into solid-liquid separation equipment 3, and the supernatant gets into residual chlorine remove device 4 and gets rid of residual chlorine through the active carbon filter. And the effluent enters secondary biochemical treatment.

As shown in FIG. 4, after the modification, about 76.89% of amantadine in raw water is removed, thereby improving the condition of entering a biochemical system. The processing capacity of the biochemical system is enhanced. Before the method is adopted, a secondary wastewater biochemical treatment system is basically paralyzed, a large amount of foam is generated in an aerobic pool, the sludge SV30 interface is fuzzy, and protozoa and metazoa cannot be observed, so that the effluent cannot reach the standard.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a processing apparatus who contains amantadine waste water which characterized in that, includes sodium hypochlorite medicine system, reaction tank, solid-liquid separation equipment, surplus chlorine remove device, sodium hypochlorite medicine system, reaction tank, solid-liquid separation equipment and surplus chlorine remove device connect gradually.

2. The apparatus for treating amantadine-containing wastewater of claim 1, wherein the reaction tank comprises a stirring device.

3. The apparatus for treating amantadine-containing wastewater according to claim 2, wherein the stirring device is any one of gas stirring, mechanical stirring or jet stirring.

4. The apparatus for treating amantadine-containing wastewater according to claim 1, wherein the solid-liquid separation device is any one of an air flotation device, a sand filter, a precision filter and an ultrafiltration membrane.

5. The application method of the treatment device of amantadine wastewater as set forth in claim 1, characterized in that the method comprises the following steps:

6. The method of using an amantadine wastewater treatment plant as set forth in claim 5, wherein the stirring time of step 1 is 20-30 min.

7. The application method of the amantadine wastewater treatment device as claimed in claim 5, characterized in that the ratio of the sodium hypochlorite to the amantadine in the wastewater in step 1 is 0.5-1: 1.

8. the method for using an amantadine wastewater treatment plant as set forth in claim 5, characterized in that ferrous sulfate and PAM are added in the step 1.

9. The application method of the treatment device of amantadine wastewater as claimed in claim 5, characterized in that the residual chlorine removal mode in step 3 is to add a reducing agent or to use an adsorption device.

10. The method of using an amantadine wastewater treatment plant as set forth in claim 9, wherein the adsorption unit is an activated carbon filter.