CN106587200A - Sewage treatment agent for urban and rural polluted rivers, and preparation method thereof - Google Patents
Sewage treatment agent for urban and rural polluted rivers, and preparation method thereof Download PDFInfo
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- CN106587200A CN106587200A CN201611200932.6A CN201611200932A CN106587200A CN 106587200 A CN106587200 A CN 106587200A CN 201611200932 A CN201611200932 A CN 201611200932A CN 106587200 A CN106587200 A CN 106587200A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
Abstract
The invention discloses a sewage treatment agent for urban and rural polluted rivers, and a preparation method thereof. The sewage treatment agent comprises, by mass, 14-18 parts of bauxite, 5-7 parts of Geminella ordinata and 10-14 parts of Hypnea charoides, wherein a use amount ratio of the Geminella ordinata to the Hypnea charoides is 1:2. The preparation method comprises the following steps: crushing the bauxite, mixing the crushed bauxite with polypropylene balls, and adding an aqueous solution of polyvinyl alcohol to prepare particles; drying the particles, and carrying out staged heating and heat insulating treatment to obtain a porous material; immersing the porous material in a mixed aqueous material containing nanometer titanium dioxide, ammonium fluozirconate, sodium acetate and trimethyl citrate, carrying out ultrasonic treatment, filtering the obtained solution, and flushing the filtered solution to obtain an activated porous material; respectively crushing the Geminella ordinata and the Hypnea charoides, mixing the crushed Geminella ordinata and Hypnea charoides, adding water, and uniformly stirring the obtained mixture and water to obtain a slurry; and immersing the activated porous material in the slurry, and carrying out microwave treatment until the activated porous material is dry in order to obtain the sewage treatment agent. The sewage treatment agent can rapidly remove CODMn, ammonia nitrogen and total nitrogen in water.
Description
Technical field
The present invention relates to technical field of sewage, specifically a kind of town and country polluted river sewage-treating agent and its preparation
Method.
Background technology
Currently, the problem that domestic water environment is present mainly has three aspects, and one of them is exactly water pollution.Insulated stream
The section organic contamination in Jing cities is heavier, and the sewage and many industrial wastewaters that urbanite's daily life is discharged all contains substantial amounts of
Organic pollution, some industrial wastewaters also containing poisonous and hazardous synthetic organic pollution materials etc., make most domestic city
All there is serious organic contamination in city river, cause urban water resource water quality to decline and processing cost increase, can to what is implemented
Sustainable development strategy brings serious negative effect, seriously threatens the safe drinking water of urbanite and the body of the people
Health.
Physical polluted-water of harnessing a river is primarily referred to as entering by cutting the technologies such as dirty desilting, environment water transfer and aeration aerating
Row is administered.Physical typically may be only available for the river based on control point-source pollution, and the river of pollution in wide area is difficult to control to,
And this methods engineering is huge, cost is higher, it is also possible to destroy aquatic ecosystem.
The content of the invention
It is an object of the invention to provide a kind of good town and country polluted river sewage-treating agent of easy to operate, effect and its
Preparation method.
For achieving the above object, the present invention provides following technical scheme：
A kind of town and country polluted river sewage-treating agent, according to mass fraction meter, is made up of following raw material：Bauxite 14-
18 parts, regular pair of born of the same parents' algae 5-7 parts, Hypnea Charoides 10-14 parts；Wherein, the double born of the same parents algaes of rule and the amount ratio of Hypnea Charoides are 1：2.
As further scheme of the invention：According to mass fraction meter, it is made up of following raw material：Bauxite 15-17 parts, rule
Then double born of the same parents algae 5.5-6.5 parts, Hypnea Charoides 11-13 parts.
As further scheme of the invention：According to mass fraction meter, it is made up of following raw material：16 parts of bauxite, rule
6 parts of double born of the same parents algaes, 12 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, comprises the following steps：
(1) bauxite powder is broken to after 180-250 mesh, with 1.6-1.8 times of its quality particle diameter measured for 0.1-0.5mm's
Acrylic sphere mixes, the polyvinyl alcohol water solution for adding 0.1-0.12 times of its quality sum mass concentration measured to be 3%, makes
Granule of the particle diameter for 3-4mm；
(2) it is dried at a temperature of gained granule being placed in 98-102 DEG C after 4h, is put in resistance furnace, first with 1-2 DEG C/min's
Speed is warming up to 550 DEG C and is incubated 2h, is then warming up to 900 DEG C with the speed of 3-4 DEG C/min, then proceedes to 5-6 DEG C/min
Speed be warming up to 980-1000 DEG C and be incubated 30min, furnace cooling obtains porous material；
(3) porous material is immersed in containing nano titanium oxide 1.2-1.4wt.%, ammonium fluozirconate 0.5-
In 0.65wt.%, sodium acetate 5-7wt.%, the mixed aqueous solution of trimethyl citrate 6-9wt.%, with power as 180-200W,
Ultrasonic Treatment 8-12min of the frequency for 27-28kHz, filters, and is rinsed two or three time with clear water, obtains activating porous material；
(4) regular double born of the same parents algaes, Hypnea Charoides are crushed to into 120-150 mesh respectively, mix, add the 3-4 of its quality sum
The water mixing and stirring of amount, obtains mixture slurry again；
(5) activation porous material is immersed in mixture slurry, the microwave treatment with power as 320-330W is obtained to drying
To described town and country polluted river sewage-treating agent.
As further scheme of the invention：In described step (1), the consumption of acrylic sphere is bauxite quality
1.7 times, the consumption of polyvinyl alcohol water solution is 0.11 times of bauxite and acrylic sphere quality sum.
As further scheme of the invention：In described step (2), first 550 DEG C are warming up to simultaneously with the speed of 1 DEG C/min
Insulation 2h, is then warming up to 900 DEG C with the speed of 3.5 DEG C/min, then proceedes to be warming up to 995 DEG C with the speed of 5.5 DEG C/min
And it is incubated 30min.
As further scheme of the invention：In described step (3), in mixed aqueous solution, contain nano titanium oxide
1.3wt.%, ammonium fluozirconate 0.56wt.%, sodium acetate 6wt.%, trimethyl citrate 8wt.%.
As further scheme of the invention：In described step (3), with power as 190W, ultrasound of the frequency as 28kHz
Ripple processes 10min.
As further scheme of the invention：In described step (5), the microwave treatment with power as 325W is to drying.
Application of the described sewage-treating agent in terms of town and country polluted river sewage treatment drug is prepared.
Compared with prior art, the invention has the beneficial effects as follows：The present invention with bauxite as material of main part, by polypropylene
Ball and polyvinyl alcohol carry out pelletizing to bauxite, pore-creating becomes porous material, then with containing nano titanium oxide, fluorine zirconium
Sour ammonium, sodium acetate, the mixed aqueous solution of trimethyl citrate are activated to porous material, finally with mass ratio as 1：2 rule
Then double born of the same parents algaes and Hypnea Charoides are coated, and obtain a kind of sewage-treating agent.Only need to for the sewage-treating agent to shed town and country
In river water, the water quality of town and country polluted river water can be just significantly improved.Sewage-treating agent of the present invention is to town and country polluted river
CODMn, ammonia nitrogen and total nitrogen content in water body has significant removal effect.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of town and country polluted river sewage-treating agent, according to mass fraction meter, by following raw material
Composition：7 parts of the double born of the same parents algaes of 14 parts of bauxite, rule, 14 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, comprises the following steps：
(1) bauxite powder is broken to after 180 mesh, 1.6 times of particle diameters measured with its quality are the acrylic sphere of 0.1-0.5mm
Mixing, 0.1 times of mass concentration measured for adding its quality sum is 3% polyvinyl alcohol water solution, makes particle diameter for 3-4mm's
Granule；
(2) it is dried at a temperature of gained granule being placed in 98 DEG C after 4h, is put in resistance furnace, first with the speed liter of 1 DEG C/min
Temperature is to 550 DEG C and is incubated 2h, is then warming up to 900 DEG C with the speed of 3 DEG C/min, then proceedes to heat up with the speed of 5 DEG C/min
To 980 DEG C and 30min is incubated, furnace cooling obtains porous material；
(3) porous material is immersed in containing nano titanium oxide 1.2wt.%, ammonium fluozirconate 0.5wt.%, sodium acetate
In 5wt.%, the mixed aqueous solution of trimethyl citrate 6wt.%, with power as 180W, ultrasonic Treatment of the frequency as 27kHz
12min, filters, and is rinsed two or three time with clear water, obtains activating porous material；
(4) regular double born of the same parents algaes, Hypnea Charoides are crushed to into 120 mesh respectively, are mixed, add 3 times of its quality sum to measure
Water mixing and stirring, obtains mixture slurry；
(5) activation porous material is immersed in mixture slurry, the microwave treatment with power as 320W obtains institute to drying
The town and country polluted river sewage-treating agent stated.
Embodiment 2
In the embodiment of the present invention, a kind of town and country polluted river sewage-treating agent, according to mass fraction meter, by following raw material
Composition：5 parts of the double born of the same parents algaes of 18 parts of bauxite, rule, 10 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, comprises the following steps：
(1) bauxite powder is broken to after 250 mesh, 1.8 times of particle diameters measured with its quality are the acrylic sphere of 0.1-0.5mm
Mixing, 0.12 times of mass concentration measured for adding its quality sum is 3% polyvinyl alcohol water solution, makes particle diameter for 3-4mm
Granule；
(2) it is dried at a temperature of gained granule being placed in 102 DEG C after 4h, is put in resistance furnace, first with the speed liter of 2 DEG C/min
Temperature is to 550 DEG C and is incubated 2h, is then warming up to 900 DEG C with the speed of 4 DEG C/min, then proceedes to heat up with the speed of 6 DEG C/min
To 1000 DEG C and 30min is incubated, furnace cooling obtains porous material；
(3) porous material is immersed in containing nano titanium oxide 1.4wt.%, ammonium fluozirconate 0.65wt.%, sodium acetate
In 7wt.%, the mixed aqueous solution of trimethyl citrate 9wt.%, with power as 200W, ultrasonic Treatment of the frequency as 28kHz
8min, filters, and is rinsed two or three time with clear water, obtains activating porous material；
(4) regular double born of the same parents algaes, Hypnea Charoides are crushed to into 150 mesh respectively, mix, add 3-4 times of its quality sum to measure
Water mixing and stirring, obtain mixture slurry；
(5) activation porous material is immersed in mixture slurry, the microwave treatment with power as 330W obtains institute to drying
The town and country polluted river sewage-treating agent stated.
Embodiment 3
In the embodiment of the present invention, a kind of town and country polluted river sewage-treating agent, according to mass fraction meter, by following raw material
Composition：6.5 parts of the double born of the same parents algaes of 15 parts of bauxite, rule, 13 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, comprises the following steps：
(1) bauxite powder is broken to after 250 mesh, 1.7 times of particle diameters measured with its quality are the acrylic sphere of 0.1-0.5mm
Mixing, 0.11 times of mass concentration measured for adding its quality sum is 3% polyvinyl alcohol water solution, makes particle diameter for 3-4mm
Granule；
(2) it is dried at a temperature of gained granule being placed in 100 DEG C after 4h, is put in resistance furnace, first with the speed liter of 1 DEG C/min
Temperature is to 550 DEG C and is incubated 2h, is then warming up to 900 DEG C with the speed of 3.5 DEG C/min, then proceedes to the speed of 5.5 DEG C/min
It is warming up to 995 DEG C and is incubated 30min, furnace cooling obtains porous material；
(3) porous material is immersed in containing nano titanium oxide 1.3wt.%, ammonium fluozirconate 0.56wt.%, sodium acetate
In 6wt.%, the mixed aqueous solution of trimethyl citrate 8wt.%, with power as 190W, ultrasonic Treatment of the frequency as 28kHz
10min, filters, and is rinsed two or three time with clear water, obtains activating porous material；
(4) regular double born of the same parents algaes, Hypnea Charoides are crushed to into 150 mesh respectively, mix, add 3.5 times of its quality sum to measure
Water mixing and stirring, obtain mixture slurry；
(5) activation porous material is immersed in mixture slurry, the microwave treatment with power as 325W obtains institute to drying
The town and country polluted river sewage-treating agent stated.
Embodiment 4
In the embodiment of the present invention, a kind of town and country polluted river sewage-treating agent, according to mass fraction meter, by following raw material
Composition：5.5 parts of the double born of the same parents algaes of 17 parts of bauxite, rule, 11 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, it is same as Example 3.
Embodiment 5
In the embodiment of the present invention, a kind of town and country polluted river sewage-treating agent, according to mass fraction meter, by following raw material
Composition：6 parts of the double born of the same parents algaes of 16 parts of bauxite, rule, 12 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, it is same as Example 3.
Comparative example 1
On the basis of embodiment 5, replace Hypnea Charoides with regular double born of the same parents algaes, remaining is identical with embodiment 5.
Comparative example 2
On the basis of embodiment 5, with the double born of the same parents algaes of Hypnea Charoides substitution rule, remaining is identical with embodiment 5.
Comparative example 3
A kind of town and country polluted river sewage-treating agent, according to mass fraction meter, is made up of following raw material：Bauxite 16
Part, 6 parts of the double born of the same parents algaes of rule, 12 parts of Hypnea Charoides.
The preparation method of described town and country polluted river sewage-treating agent, comprises the following steps：
(1) bauxite powder is broken to after 250 mesh, 1.7 times of particle diameters measured with its quality are the acrylic sphere of 0.1-0.5mm
Mixing, 0.11 times of mass concentration measured for adding its quality sum is 3% polyvinyl alcohol water solution, makes particle diameter for 3-4mm
Granule；
(2) it is dried at a temperature of gained granule being placed in 100 DEG C after 4h, is put in resistance furnace, first with the speed liter of 1 DEG C/min
Temperature is to 550 DEG C and is incubated 2h, is then warming up to 900 DEG C with the speed of 3.5 DEG C/min, then proceedes to the speed of 5.5 DEG C/min
It is warming up to 995 DEG C and is incubated 30min, furnace cooling obtains porous material；
(3) regular double born of the same parents algaes, Hypnea Charoides are crushed to into 150 mesh respectively, mix, add 3.5 times of its quality sum to measure
Water mixing and stirring, obtain mixture slurry；
(4) porous material is immersed in mixture slurry, the microwave treatment with power as 325W to drying, obtains described
Town and country polluted river sewage-treating agent.
Comparative example 4
A kind of town and country polluted river sewage-treating agent, is bauxite；Its preparation method, comprises the following steps：
(1) bauxite powder is broken to after 250 mesh, 1.7 times of particle diameters measured with its quality are the acrylic sphere of 0.1-0.5mm
Mixing, 0.11 times of mass concentration measured for adding its quality sum is 3% polyvinyl alcohol water solution, makes particle diameter for 3-4mm
Granule；
(2) it is dried at a temperature of gained granule being placed in 100 DEG C after 4h, is put in resistance furnace, first with the speed liter of 1 DEG C/min
Temperature is to 550 DEG C and is incubated 2h, is then warming up to 900 DEG C with the speed of 3.5 DEG C/min, then proceedes to the speed of 5.5 DEG C/min
It is warming up to 995 DEG C and is incubated 30min, furnace cooling obtains porous material.
With a certain semiclosed river of the Suzhou City of Jiangsu Province combination area of city and country as object, surveyed using the correlation technique of international regulations
Obtain the COD of water bodyMn, ammonia nitrogen, total nitrogen content be respectively 17.6mg/L, 8.7mg/L, 12.4mg/L, then according to 1g sewage disposals
Agent/m3The consumption of water, uniformly sheds sewage-treating agent obtained in embodiment 1-5 and comparative example 1-4 in semiclosed river respectively
One section of the correspondence (being mutually independent of each other between the river section that each sewage-treating agent is processed) of stream, redeterminates the COD of water body after 3 daysMn、
Ammonia nitrogen, total nitrogen content, then shed the sewage-treating agent of identical deal again, and after 4 days, (7 days after shedding for the first time) surveys again
Determine the COD of water bodyMn, ammonia nitrogen, total nitrogen content, measured water quality parameter is as shown in table 1.
The water quality parameter situation of change (mg/L) in the river of 1 each example of table process
As can be seen from Table 1：COD in the river of the sewage-treating agent for having shed embodiment 1-5Mn, ammonia nitrogen, total nitrogen content
Change is relatively more steady, has a certain degree of decline, decline highly significant, say after shedding 4 days for the second time after shedding 3 days for the first time
The bright sewage-treating agent shed has significant removal effect to the CODMn and ammonia nitrogen in river water, and water body total nitrogen is contained
The removal of amount has significant effect；Comparative example 5 and comparative example 1-2, adopt mass ratio for 1 in the present invention：2 rule is double
The effect of the combined treatment town and country polluted river sewage of born of the same parents algae and Hypnea Charoides be substantially better than using the double born of the same parents algaes of single rule or
The single Hypnea Charoides of person；Comparative example 5 and comparative example 3, using the bauxite activated through mixed aqueous solution in the present invention
The effect for processing town and country polluted river sewage is substantially better than the bauxite activated without mixed aqueous solution；5 He of comparative example
Comparative example 4, the present invention adopt the bauxite activated through mixed aqueous solution and mass ratio for 1：The 2 double born of the same parents algaes of rule and long shoot
The effect is significant of the combined treatment town and country polluted river sewage of husky dish is better than only with the aluminum vitriol activated without mixed aqueous solution
Native this kind for the treatment of effect of material, so as to illustrate that the handling process of the bauxite in the present invention, mass ratio are 1：2 rule is double
The component of born of the same parents algae and Hypnea Charoides plays key effect for the final effect of sewage-treating agent, and the present invention is in bauxite
What is just had under the collective effect of handling process, the double born of the same parents algaes of rule of fixed mixing ratio and Hypnea Charoides significantly improves town and country pollution river
The effect of the water quality of flowing water body.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (10)
1. a kind of town and country polluted river sewage-treating agent, it is characterised in that according to mass fraction meter, be made up of following raw material：
Bauxite 14-18 parts, the double born of the same parents' algae 5-7 parts of rule, Hypnea Charoides 10-14 parts；Wherein, the consumption of the double born of the same parents algaes of rule and Hypnea Charoides
Than for 1：2.
2. polluted river sewage-treating agent in town and country according to claim 1, it is characterised in that according to mass fraction meter,
It is made up of following raw material：Bauxite 15-17 parts, the double born of the same parents' algae 5.5-6.5 parts of rule, Hypnea Charoides 11-13 parts.
3. polluted river sewage-treating agent in town and country according to claim 2, it is characterised in that according to mass fraction meter,
It is made up of following raw material：6 parts of the double born of the same parents algaes of 16 parts of bauxite, rule, 12 parts of Hypnea Charoides.
4. the preparation method according to the arbitrary described town and country polluted river sewage-treating agent of claim 1-3, it is characterised in that
Comprise the following steps：
(1) bauxite powder is broken to after 180-250 mesh, is poly- the third of 0.1-0.5mm with 1.6-1.8 times of its quality particle diameter measured
Alkene ball mixes, the polyvinyl alcohol water solution for adding 0.1-0.12 times of its quality sum mass concentration measured to be 3%, makes particle diameter
For the granule of 3-4mm；
(2) it is dried at a temperature of gained granule being placed in 98-102 DEG C after 4h, is put in resistance furnace, first with the speed of 1-2 DEG C/min
Be warming up to 550 DEG C and be incubated 2h, then 900 DEG C are warming up to the speed of 3-4 DEG C/min, then proceed to the speed of 5-6 DEG C/min
Degree is warming up to 980-1000 DEG C and is incubated 30min, and furnace cooling obtains porous material；
(3) porous material is immersed in containing nano titanium oxide 1.2-1.4wt.%, ammonium fluozirconate 0.5-0.65wt.%, vinegar
In sour sodium 5-7wt.%, the mixed aqueous solution of trimethyl citrate 6-9wt.%, with power as 180-200W, frequency is as 27-
Ultrasonic Treatment 8-12min of 28kHz, filters, and is rinsed two or three time with clear water, obtains activating porous material；
(4) regular double born of the same parents algaes, Hypnea Charoides are crushed to into 120-150 mesh respectively, mix, add 3-4 times of its quality sum to measure
Water mixing and stirring, obtain mixture slurry；
(5) activation porous material is immersed in mixture slurry, the microwave treatment with power as 320-330W obtains institute to drying
The town and country polluted river sewage-treating agent stated.
5. the preparation method of polluted river sewage-treating agent in town and country according to claim 4, it is characterised in that described
In step (1), the consumption of acrylic sphere is 1.7 times of bauxite quality, and the consumption of polyvinyl alcohol water solution is bauxite and gathers
0.11 times of propylene ball quality sum.
6. the preparation method of polluted river sewage-treating agent in town and country according to claim 4, it is characterised in that described
In step (2), first 550 DEG C are warming up to the speed of 1 DEG C/min and are incubated 2h, be then warming up to 900 with the speed of 3.5 DEG C/min
DEG C, then proceed to be warming up to 995 DEG C with the speed of 5.5 DEG C/min and be incubated 30min.
7. the preparation method of polluted river sewage-treating agent in town and country according to claim 4, it is characterised in that described
In step (3), in mixed aqueous solution, contain nano titanium oxide 1.3wt.%, ammonium fluozirconate 0.56wt.%, sodium acetate
6wt.%, trimethyl citrate 8wt.%.
8. the preparation method of polluted river sewage-treating agent in town and country according to claim 4, it is characterised in that described
In step (3), with power as 190W, ultrasonic Treatment 10min of the frequency as 28kHz.
9. the preparation method of polluted river sewage-treating agent in town and country according to claim 4, it is characterised in that described
In step (5), the microwave treatment with power as 325W is to drying.
10. town and country polluted river sewage treatment drug side is being prepared according to the arbitrary described sewage-treating agent of claim 1-3
The application in face.
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| CN201611200932.6A CN106587200A (en) | 2016-12-22 | 2016-12-22 | Sewage treatment agent for urban and rural polluted rivers, and preparation method thereof |
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| JPS57113882A (en) * | 1981-01-05 | 1982-07-15 | Michiyuki Yamaura | Production of blank material for improving water quality |
| CN104973696A (en) * | 2015-07-09 | 2015-10-14 | 张振豪 | Preparation technology of biological agent for restoring industrial sewage |
| CN105088206A (en) * | 2015-08-24 | 2015-11-25 | 当涂县华艺金属制品有限公司 | High-adhesion aluminum profile chromate-free passivation treating fluid and preparation method thereof |
| CN105084527A (en) * | 2015-08-04 | 2015-11-25 | 宁波保税区维迪克环保科技有限公司 | Biological stuffing for purifying domestic sewage and preparing method thereof |
| CN105131393A (en) * | 2015-09-10 | 2015-12-09 | 苏州凯欧曼新材料科技有限公司 | Nano-antibacterial water treatment material and preparation method thereof |
| CN105293667A (en) * | 2015-10-23 | 2016-02-03 | 苏州书瑞环保科技有限公司 | Environment-friendly water treatment agent for removing chromium ions and preparation method thereof |
-
2016
- 2016-12-22 CN CN201611200932.6A patent/CN106587200A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57113882A (en) * | 1981-01-05 | 1982-07-15 | Michiyuki Yamaura | Production of blank material for improving water quality |
| CN104973696A (en) * | 2015-07-09 | 2015-10-14 | 张振豪 | Preparation technology of biological agent for restoring industrial sewage |
| CN105084527A (en) * | 2015-08-04 | 2015-11-25 | 宁波保税区维迪克环保科技有限公司 | Biological stuffing for purifying domestic sewage and preparing method thereof |
| CN105088206A (en) * | 2015-08-24 | 2015-11-25 | 当涂县华艺金属制品有限公司 | High-adhesion aluminum profile chromate-free passivation treating fluid and preparation method thereof |
| CN105131393A (en) * | 2015-09-10 | 2015-12-09 | 苏州凯欧曼新材料科技有限公司 | Nano-antibacterial water treatment material and preparation method thereof |
| CN105293667A (en) * | 2015-10-23 | 2016-02-03 | 苏州书瑞环保科技有限公司 | Environment-friendly water treatment agent for removing chromium ions and preparation method thereof |
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