CN1209293C - Sewage treating agent and its prepn and usage - Google Patents
Sewage treating agent and its prepn and usage Download PDFInfo
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- CN1209293C CN1209293C CN 02104002 CN02104002A CN1209293C CN 1209293 C CN1209293 C CN 1209293C CN 02104002 CN02104002 CN 02104002 CN 02104002 A CN02104002 A CN 02104002A CN 1209293 C CN1209293 C CN 1209293C
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Abstract
The present invention relates to a preparation method for a sewage treating agent, which comprises the following steps that (1), augite andesite porphyrite is pulverized into fine powder with the diameter of 2 to 9MM; (2), 5 wt parts of the augite andesite porphyrite treated by the step (1) and 0.3 to 1.5 wt parts of sodium chloride are added with water and are totally soaked for at least 24 hours after mixed; (3), 0.3 to 1.5 wt parts of sodium chloride is then added in the mixture of the step (2), and water is added until the mixture is totally soaked for at least 24 hours; (4), solid substances in the mixture treated by the step (3) are filtered out and are dried until the water content is from 5 to 10%, and the sewage treating agent is obtained. The method for treating sewage by the sewage treating agent has the steps that (1), 1 ton of the sewage treating agent is added in 2000m<3> to 3000m <3> of sewage, and the sewage treating agent and the sewage are stirred for at least 30 min; (2), clear water is discharged, and sediment in a sewage storage tank is removed.
Description
Technical Field
The invention relates to a sewage treating agent, a preparation method thereof and a method for treating sewage by using the sewage treating agent.
Background
With the rapid development of economic construction, the industry is increasingly developed, the discharge amount of sewage is greatly increased, and serious pollution to rivers, lakes, seas and the environment is caused. Therefore, the sewage and the wastewater need to be treated and reused so as to save resources and protect the environment. The existing sewage treatment methods mainly comprise a biological purification method, an activated carbon adsorption method, an oxidation method, an electrolysis method, a chemical purification method and the like, and most of the methods need expensive special equipment, which is a heavy burden for small and medium-sized enterprises, and the methods have high energy consumption and high operating cost; in addition, the floor area is large, and the treatment effect is not ideal. The chemical purification method generally uses a sewage treatment agent, the preparation of the sewage treatment agent generally needs special equipment, the preparation is troublesome and high in cost, the sewage removal efficiency is low, the effect is unstable, and the waste generated in the process and at the end of sewage treatment causes secondary pollution.
Disclosure of Invention
The invention aims to provide a sewage treatment agent with low cost;
the invention also aims to provide a preparation method of the sewage treatment agent, which is convenient to prepare and low in cost;
another object of the present invention is to provide a sewage treatment method which is simple, easy to implement, and has low energy consumption, low operation cost, small floor space, and no secondary pollution.
The preparation method of the sewage treatment agent comprises the following steps:
(1) grinding pyroxene andesitic porphyrite into fine powder with the diameter of 2-9 mm;
(2) mixing 5 parts by weight of pyroxene andesite treated in the step (1) with 0.3-1.5 parts by weight of sodium chloride, adding water to immerse the mixture for at least 24 hours;
(3) adding 0.3-1.5 parts of sodium chloride and water into the mixture obtained in the step (2) to immerse the mixture for at least 24 hours;
(4) and (4) filtering out solid matters in the mixture treated in the step (3), and drying until the water content is 5-10% to obtain the product.
The preparation method of the sewage treatment agent comprises the following steps of (3) adding 0.3-1.5 parts of sodium chloride and water into the mixture obtained in the step (3) to immerse the mixture for at least 24 hours;
the preparation method of the sewage treatment agent comprises the step (2) of mixing pyroxene andesite with sodium chloride at a ratio of 5: 1.
The preparation method of the sewage treatment agent comprises the step (3) of adding 1 part of sodium chloride.
The invention relates to a preparation method of a sewage treatment agent, wherein the amount of sodium chloride is 1 part.
The sewage treatment agent is prepared by the method for preparing the sewage treatment agent.
The method for treating sewage by using the sewage treating agent comprises the following steps:
(1) adding 1 ton of the sewage treatment agent to 2000m3～3000m3Stirring the sewage for at least 30 minutes;
(2) and discharging clear water, and removing sediments in the sewage storage tank.
The method for treating sewage by using the sewage treatment agent of the invention also comprises a step of adding a flocculating agent into the sewage after the step (1), wherein the amount of the flocculating agent added is calculated according to the proportion of adding 4 kg-6 kg of the flocculating agent into 1000kg of the sewage treatment agent.
The method for treating sewage by using the sewage treatment agent disclosed by the invention is characterized in that the flocculant is an inorganic flocculant and the weight of the flocculant is 6 kg.
The method for treating sewage by using the sewage treatment agent disclosed by the invention is characterized in that the flocculant is an organic flocculant and the weight of the flocculant is 4 kg.
The preparation method of the sewage treatment agent has the advantages and positive effects that: the traditional Chinese medicine composition is prepared by mixing, soaking and then drying pyroxene andesite and sodium chloride, and special equipment is not needed, so that the cost is low and the preparation is convenient; the price of pyroxene andesitic porphyrite and sodium chloride is low, so that the prepared sewage treatment agent is low in cost; and the decontamination efficiency is high and the effect is stable.
The method for treating sewage by using the sewage treating agent has the advantages and positive effects that: only one step or two steps are needed, and special equipment is not needed, so the treatment process is simple; moreover, the energy consumption is low, the occupied area is small, and the operation cost is low; the waste generated after sewage treatment can be directly sent to a cement plant to prepare cement, so that the problem of secondary pollution is avoided.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
The preparation method of the sewage treatment agent comprises the following steps:
(1) grinding 5 tons of pyroxene andesitic porphyrite into fine powder with the diameter of 5mm, wherein the diameter of pyroxene andesitic porphyrite (produced in Yishui county, east of Shandong province) is feasible within the range of 2 mm-9 mm, and is determined according to the sewage to be treated, such as heavy ion sewage produced by a galvanizing factory, a chrome plating factory or a cadmium plating factory, and the diameter of the pyroxene andesitic porphyrite grinding can be 7 mm-9 mm; the diameter of pyroxene andesitic porphyrite can be 2-4 mm when domestic sewage is treated.
(2) Mixing fine-ground pyroxene andesitic porphyrite and 1 ton of sodium chloride, adding water, enabling the water to submerge the upper surface of the mixture of the pyroxene andesitic porphyrite and the sodium chloride, and soaking for 26 hours, wherein the amount of the sodium chloride is feasible within the range of 0.3-1.5 tons;
(3) adding 1 ton of sodium chloride into the soaked mixture, and adding water to soak for 28 hours, wherein the amount of the sodium chloride is feasible within the range of 0.3-1.5 tons;
(4) adding 1 ton of sodium chloride into the mixture treated in the step (3), adding water and soaking for 30 hours, wherein the amount of the sodium chloride is feasible within the range of 0.3-1.5 tons;
(5) and (4) filtering out solid matters in the mixed substance treated in the step (4), and drying until the water content is 5% to obtain the sewage treatment agent. The water content of the sewage treatment agent is between 5 and 10 percent. The sewage treatment agent can be sealed and packaged by a bottle or a bag for standby.
Example 2
A sewage treatment agent, which is prepared by the preparation method. The sewage treating agent has low cost, high sewage eliminating efficiency and high sewage eliminating speed.
Example 3
The method for treating sewage by using the sewage treatment agent is illustrated by taking industrial sewage for treating non-heavy ion sewage as an example, and comprises the following steps:
(1) to the container 2000m31 ton of sewage treatment agent is added into the sewage storage tank and stirred for 40 minutes, and in the process, Na of the sewage treatment agent is added+With Ca in sewage2+、Mg2+Exchange is carried out, and the chemical reaction is as follows:
wherein Z is pyroxene andesite.
(2) Adding 5kg of inorganic flocculant into the mixture obtained in the step (1), and standing for 20 minutes, wherein the flocculant has the function of accelerating the settling velocity of the sludge and CaZ and MgZ;
(3) and discharging clear water, and removing sediments in the sewage storage tank. The sediment can be used as an industrial raw material for manufacturing cement and the like, and the problem of secondary pollution of discharged sludge is solved.
The technical indexes of the industrial sewage (part of technical indexes are COD: 3500-4000, PH value: 8-9 and hardness: about 20) treated by the method are as follows:
pH value: 7; COD: 100 to 250 parts; chroma: colorless and transparent; suspended matters: 10-30;
hardness: 12.7; cyanogen: 0.6; and (3) taking the following steps: 0.2; NH (NH)3：8
The process for treating heavy ion wastewater is substantially the same as described above except that the step of adding a flocculant is not included.
The sewage treatment agent can be used for treating sewage according to the amount of COD in the sewage, the amount of the sewage treatment agent added into the sewage with more COD is correspondingly increased, and the amount of the sewage treatment agent added into the sewage with less COD is correspondingly reduced. Generally, one ton of sewage treatment agent can treat 2000m3～2800m3Industrial sewage.
Example 4
The method for treating sewage by using the sewage treating agent is described by taking the treatment of urban domestic sewage as an example, and comprises the following steps:
(1) to the container 3000m31 ton of sewage treatment agent is added into the sewage storage tank and then the sewage storage tank is kept stand for 30 minutes, and in the process, Na of the sewage treatment agent is added+With Ca in sewage2+、Mg2+Exchange is carried out, and the chemical reaction is as follows:
wherein Z is pyroxene andesite.
(2) Adding 5kg of organic flocculant into the mixed liquor obtained in the step (1), and standing for 20 minutes, wherein the flocculant has the function of accelerating the settling speed of the sludge and CaZ and MgZ;
(3) and discharging clear water, and removing sediments in the sewage storage tank. The sediment can be used as an industrial raw material for manufacturing cement and the like, and the problem of secondary pollution of discharged sludge is solved.
The sewage treating agent and the sewage treating method with the sewage treating agent are suitable for treating urban sewage and various printing and dyeing industry sewage, such as sewage of wool spinning mills, silk weaving mills, rayon mills, acrylic fiber dyeing mills, yarn dyeing mills and the like and heavy ion sewage.
Claims (10)
1. The preparation method of the sewage treatment agent is characterized by comprising the following steps:
(1) grinding pyroxene andesitic porphyrite into fine powder with the diameter of 2-9 mm;
(2) mixing 5 parts by weight of pyroxene andesite treated in the step (1) with 0.3-1.5 parts by weight of sodium chloride, adding water to immerse the mixture for at least 24 hours;
(3) adding 0.3-1.5 parts of sodium chloride and water into the mixture obtained in the step (2) to immerse the mixture for at least 24 hours;
(4) and (4) filtering out solid matters in the mixture treated in the step (3), and drying until the water content is 5-10% to obtain the product.
2. The method for preparing a sewage treatment agent according to claim 1, wherein the step (3) is followed by a step of adding 0.3 to 1.5 parts of sodium chloride and water to the mixture of the step (3) to immerse the mixture for at least 24 hours.
3. The method for preparing a sewage treatment agent according to claim 1, wherein the ratio of pyroxene andesite to sodium chloride in the step (2) is 5: 1.
4. The method for preparing a sewage treatment agent according to claim 1, wherein the amount of sodium chloride in the step (3) is 1 part.
5. The method for preparing a sewage treatment agent according to claim 2, wherein the amount of the sodium chloride is 1 part.
6. A sewage treatment agent prepared by the method of any one of claims 1 to 5.
7. A method for treating sewage with the sewage treatment agent according to claim 6, characterized by comprising the steps of:
(1) adding 1 ton of the sewage treatment agent to 2000m3～3000m3Stirring the sewage for at least 30 minutes;
(2) and discharging clear water, and removing sediments in the sewage storage tank.
8. The method for treating sewage by using a sewage treatment agent according to claim 7, wherein the step (1) is followed by a step of adding a flocculant to the sewage, wherein the amount of the flocculant added is calculated according to the proportion of adding 4-6 kg of the flocculant to 1000kg of the sewage treatment agent.
9. The method of treating wastewater with a wastewater treatment agent according to claim 8, wherein the flocculating agent is an inorganic flocculating agent weighing 6 kg.
10. The method of treating wastewater with a wastewater treatment agent according to claim 8, wherein the flocculating agent is an organic flocculating agent weighing 4 kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02104002 CN1209293C (en) | 2002-02-26 | 2002-02-26 | Sewage treating agent and its prepn and usage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02104002 CN1209293C (en) | 2002-02-26 | 2002-02-26 | Sewage treating agent and its prepn and usage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1440935A CN1440935A (en) | 2003-09-10 |
| CN1209293C true CN1209293C (en) | 2005-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02104002 Expired - Fee Related CN1209293C (en) | 2002-02-26 | 2002-02-26 | Sewage treating agent and its prepn and usage |
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| CN (1) | CN1209293C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550603B (en) * | 2010-12-29 | 2014-03-05 | 北京市松浦经贸发展公司 | Extraction method of mineral concentrate for environmental restoration and application thereof |
| CN102351296A (en) * | 2011-09-07 | 2012-02-15 | 孙和光 | Sewage treatment agent, preparation method thereof and method for processing sewage |
| CN104229916B (en) * | 2013-06-06 | 2016-11-23 | 济南大学 | A kind of method utilizing andesitic porphyrite mineral Adsorption of Heavy Metals lead ion |
| CN104418401A (en) * | 2013-09-06 | 2015-03-18 | 济南大学 | Method for adsorbing heavy metal copper ions by using andesitic porphyrite mineral |
| CN104973670A (en) * | 2015-06-24 | 2015-10-14 | 陈伟 | Inorganic-organic composite flocculant used for treating oil-containing wastewater sewage |
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2002
- 2002-02-26 CN CN 02104002 patent/CN1209293C/en not_active Expired - Fee Related
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| CN1440935A (en) | 2003-09-10 |
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