CN109293013A - A kind of modified domestic sewage treating compound of dicyanodiamine and its preparation method - Google Patents
A kind of modified domestic sewage treating compound of dicyanodiamine and its preparation method Download PDFInfo
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- CN109293013A CN109293013A CN201811453248.8A CN201811453248A CN109293013A CN 109293013 A CN109293013 A CN 109293013A CN 201811453248 A CN201811453248 A CN 201811453248A CN 109293013 A CN109293013 A CN 109293013A
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- Prior art keywords
- dicyanodiamine
- polyacrylamide
- sewage
- mixed
- treating compound
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The present invention relates to technical field of sewage, especially a kind of dicyanodiamine is modified domestic sewage treating compound and its preparation method, it is used as raw material to be prepared into sewage-treating agent by being that 1:0.5 is mixed and modified according to mass ratio by polyacrylamide and dicyanodiamine, high degree is improved to sewage treatment capacity, the removal efficiency to suspended matter, BOD, COD etc. in sewage is improved, the water quality after sewage treatment is improved.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of dicyanodiamine is modified domestic sewage treating compound and its matches
Method processed.
Background technique
With the continuous development of industry, the usage amount of water resource also increases as, and these water resources consumed are most
All it is freshwater resources, is not suitable for the demand of industrial development using salt water resources such as seawater；But tellurian freshwater resources are very
Scarcity, 1% of accounting less than all water resources, and wherein can be by freshwater resources that the mankind directly utilize only only about
0.07%, therefore, saving water resource and recycling water resource becomes focus concerned by people, and in the recycling of water resource
In, sewage treatment is the most important thing.
Sanitary sewage is the sewage that specific gravity is increasing in present society, is produced to natural environment and human lives very big
Influence, nitrogen phosphorus, fat content in sanitary sewage higher, traditional physical method and chemical agent, often consumption is larger,
And effect is unobvious, while the addition of a large amount of chemical agent uses, and also can cause to bear to environment.For this purpose, there is researcher
Using the strains such as lactic acid bacteria, actinomyces, saccharomycete, bifidocaterium, photosynthetic bacteria, bacillus are activated respectively, expand training
Support, mixed culture obtains composite bacteria liquid, be centrifugally separating to obtain complex microorganism, complex microorganism be polyacrylamide,
Citric acid, cornstarch, breeze part, active carbon, sodium alginate are mixed into sewage-treating agent, the sewage-treating agent reaction speed
Fastly, reaction process is generated without noxious material, realizes ecology, the recycling of sanitary sewage disposal, and no longer need to set sludge
Processing system, without secondary pollution, wastewater suspended substance removal rate reaches 99.9%, BOD removal rate and reaches 99.0%, COD removal rate
Reach 99.1%, treatment effect is stablized.But due to inappropriate to raw material proportioning therein, lead to the sewage treatment obtained
The treatment effect of agent still be not up to ideal effect so that in suspended matter, BOD, COD removal effect it is undesirable, therefore, this
Researcher combines in use, appropriate adjustment is carried out to the raw material proportioning of sewage-treating agent, so as to sewage treatment
The removal rates such as BOD, COD in journey are greatly improved, and almost in having completely consumed the harmful components in sewage, improve sewage
The quality of processing provides new inorganic agent for sewage treatment field.
Summary of the invention
In order to solve the above technical problems existing in the prior art, it is dirty to provide a kind of modified life of dicyanodiamine by the present invention
Water treatment agent and its preparation method.
It is achieved particular by following technical scheme:
Dicyanodiamine is modified domestic sewage treating compound polyacrylamide, by polyacrylamide and dicyanodiamine according to quality
Than being used as raw material for 1:0.5 is mixed and modified.
Above-mentioned polyacrylamide is configured to the modified domestic sewage treating compound of dicyanodiamine, take polyacrylamide, citric acid,
Active carbon, sodium alginate are 37-45:6:5:13 mixing resulting mixture according to mass ratio；Again by the mixture and Mixed Microbes according to
Mass ratio mixes for 1.7-3.9:1；
Wherein, Mixed Microbes are by quality than actinomyces: saccharomycete: bifidocaterium: photosynthetic bacteria: bacillus=1:3:5-7:3:
4 mix.
The Mixed Microbes are by quality than actinomyces: saccharomycete: bifidocaterium: photosynthetic bacteria: bacillus=1:3:6:3:4
It mixes.
The mixture be take polyacrylamide, citric acid, active carbon, sodium alginate according to mass ratio be 42:6:5:
13 are mixed into.
The mixture and Mixed Microbes is mixed according to mass ratio for 2.3:1.
Above-mentioned polyacrylamide is configured to the modified domestic sewage treating compound of dicyanodiamine, when being added in sanitary sewage,
The temperature of sanitary sewage is 30-40 DEG C.After being added in sanitary sewage, after stirring 10-30min with 500r/min, stand.
Compared with prior art, the technical effect of the invention is embodied in:
It is used as raw material to be prepared into sewage by being that 1:0.5 is mixed and modified according to mass ratio by polyacrylamide and dicyanodiamine
Inorganic agent, high degree improve the removal efficiency improved to sewage treatment capacity to suspended matter, BOD, COD etc. in sewage,
Improve the water quality after sewage treatment；And by sewage treatment detection test display, enable to reach BOD removal rate
99.8% or more, COD removal rate is reached 99.8% or more, the removal rate of suspended matter has reached 99.9%.And for will be above-mentioned
Polyacrylamide and dicyanodiamine mass ratio control be greater than 1:0.5, then there is the removing that sewage treatment capacity is weaker, to COD
Effect declines, and maintains 99.5% or so, and is less than 1:0.5 when polyacrylamide and dicyanodiamine mass ratio control, then
It is weaker to there is sewage treatment capacity, sharp fall occurs to the removal effect of COD, maintains 98.3% or so, while to BOD
Removal effect it is also undesirable, maintain 99.3% or so.
Specific embodiment
It is limited below with reference to specific embodiment technical solution of the present invention is further, but claimed
Range is not only limited to made description.
Following embodiment is by it when will be added has the polyacrylamide of dicyanodiamine to be used to be configured to sewage-treating agent
Be carried out as follows preparation: take polyacrylamide, citric acid, active carbon, sodium alginate according to mass ratio be 37-45:
6:5:13 mixing resulting mixture；The mixture and Mixed Microbes are mixed according to mass ratio for 1.7-3.9:1 again；Wherein, it mixes
Combined bacteria is by quality than actinomyces: saccharomycete: bifidocaterium: photosynthetic bacteria: bacillus=1:3:5-7:3:4 is mixed.And it will
The amount ratio of above-mentioned each raw material controls in corresponding numberical range, and the influence for sewage treatment capacity is simultaneously little, but for
Accurately control, it will have improvement slightly to processing capacity, such as: Mixed Microbes are by quality than actinomyces: saccharomycete: double qis
Bacterium: photosynthetic bacteria: bacillus=1:3:6:3:4 is mixed；Polyacrylamide, citric acid, active carbon, sodium alginate according to
Mass ratio is 42:6:5:13 mixing resulting mixture；Mixture and Mixed Microbes are that 2.3:1 mixes sewage treatment according to mass ratio
Agent enables to the removal rate to BOD, COD etc. to maintain 99.8% or more.
In this research process, when sewage-treating agent is added for control, when the temperature of sewage maintains 30-40 DEG C, energy
It is enough to look for that BOD, COD removal rate to make moderate progress in sewage, so that maintaining 99.91% or so, and temperature is slightly below
It 30 DEG C, so that removal rate drops to 99.83% or so, increases at 40 DEG C or more, causes sewage treatment that can be greatly lowered, locate
It is undesirable to manage effect, or even 98.87% or so has been reached to the removal efficiency of suspended matter, there is greatly harm.
In consideration of it, this researcher is on the basis of above-mentioned processing, further directed to the matter of polyacrylamide and dicyanodiamine
Amount ratio is studied, and to polyacrylamide obtained by different quality ratio and citric acid, active carbon, sodium alginate according to quality
Than for 42:6:5:13 mixing resulting mixture；Mixture and Mixed Microbes are that 2.3:1 mixes sewage-treating agent according to mass ratio,
Combined bacteria is by quality than actinomyces: saccharomycete: bifidocaterium: photosynthetic bacteria: bacillus=1:3:6:3:4 is mixed, and will be upper
The sewage-treating agent stated puts into processing sewage at 30-40 DEG C of sewage, and to COD, BOD after sewage treatment, suspension
The influence of object removal efficiency is counted, as a result as shown in table 1 below:
Table 1
| Polyacrylamide and dicyanodiamine mass ratio | 1:0.1 | 1:0.4 | 1:0.5 | 1:0.6 | 1:0.7 | 1:0.8 |
| Removal efficiency (%) | 99.83 | 99.81 | 99.92 | 99.91 | 99.89 | 99.90 |
| COD removal rate (%) | 99.84 | 99.94 | 99.91 | 99.88 | 99.85 | 99.86 |
| BOD removal rate (%) | 99.82 | 99.83 | 99.93 | 99.83 | 99.87 | 99.82 |
In the invention, the strain of use is through cultivating 36h on overactivation, expansion culture, inoculation mixed culture medium
And obtain, concrete operations are carried out referring to the routine culture scheme of corresponding strain in the prior art, herein just after more detailed
It states.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of modified domestic sewage treating compound polyacrylamide of dicyanodiamine, which is characterized in that by polyacrylamide and two
Cyanogen diamines, which is that 1:0.5 is mixed and modified according to mass ratio, is used as raw material.
2. polyacrylamide as described in claim 1 is configured to the modified domestic sewage treating compound of dicyanodiamine, which is characterized in that
Take polyacrylamide, citric acid, active carbon, sodium alginate according to mass ratio be 37-45:6:5:13 mixing resulting mixture；Again will
The mixture and Mixed Microbes are mixed according to mass ratio for 1.7-3.9:1；
Wherein, Mixed Microbes are by quality than actinomyces: saccharomycete: bifidocaterium: photosynthetic bacteria: bacillus=1:3:5-7:3:4 is mixed
It closes.
3. polyacrylamide as claimed in claim 2 is configured to the modified domestic sewage treating compound of dicyanodiamine, which is characterized in that
The Mixed Microbes are by quality than actinomyces: saccharomycete: bifidocaterium: photosynthetic bacteria: the mixing of bacillus=1:3:6:3:4 and
At.
4. polyacrylamide as claimed in claim 2 is configured to the modified domestic sewage treating compound of dicyanodiamine, which is characterized in that
The mixture is that polyacrylamide, citric acid, active carbon, sodium alginate is taken to be mixed into according to mass ratio for 42:6:5:13.
5. polyacrylamide as claimed in claim 2 is configured to the modified domestic sewage treating compound of dicyanodiamine, which is characterized in that
The mixture and Mixed Microbes is mixed according to mass ratio for 2.3:1.
6. as the described in any item polyacrylamides of claim 2-5 are configured to the modified domestic sewage treating compound of dicyanodiamine,
It is characterized in that, when being added in sanitary sewage, the temperature of sanitary sewage is 30-40 DEG C.
7. polyacrylamide as claimed in claim 6 is configured to the modified domestic sewage treating compound of dicyanodiamine, which is characterized in that
After being added in sanitary sewage, after stirring 10-30min with 500r/min, stand.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453248.8A CN109293013A (en) | 2018-11-30 | 2018-11-30 | A kind of modified domestic sewage treating compound of dicyanodiamine and its preparation method |
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|---|---|---|---|
| CN201811453248.8A CN109293013A (en) | 2018-11-30 | 2018-11-30 | A kind of modified domestic sewage treating compound of dicyanodiamine and its preparation method |
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| CN201811453248.8A Pending CN109293013A (en) | 2018-11-30 | 2018-11-30 | A kind of modified domestic sewage treating compound of dicyanodiamine and its preparation method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110006864A (en) * | 2009-07-15 | 2011-01-21 | 삼성엔지니어링 주식회사 | Cupriavidus sp. smic-2, a carrier comprising the same and a method of reducing non-biodegradable materials using the same |
| CN105347512A (en) * | 2015-11-30 | 2016-02-24 | 鄄城康泰化工有限公司 | Domestic sewage treating agent |
| CN107352630A (en) * | 2017-09-08 | 2017-11-17 | 肇庆高新区恒泰信息服务有限公司 | A kind of novel inorganic organic composite type high-molecular coagulant adopting |
-
2018
- 2018-11-30 CN CN201811453248.8A patent/CN109293013A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110006864A (en) * | 2009-07-15 | 2011-01-21 | 삼성엔지니어링 주식회사 | Cupriavidus sp. smic-2, a carrier comprising the same and a method of reducing non-biodegradable materials using the same |
| CN105347512A (en) * | 2015-11-30 | 2016-02-24 | 鄄城康泰化工有限公司 | Domestic sewage treating agent |
| CN107352630A (en) * | 2017-09-08 | 2017-11-17 | 肇庆高新区恒泰信息服务有限公司 | A kind of novel inorganic organic composite type high-molecular coagulant adopting |
Non-Patent Citations (1)
| Title |
|---|
| 张彦昌 等: "低分子量聚丙烯酰胺的阳离子改性", 《化工技术与开发》 * |
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