CN108503079A - Municipal wastewater construction technology - Google Patents
Municipal wastewater construction technology Download PDFInfo
- Publication number
- CN108503079A CN108503079A CN201810285490.2A CN201810285490A CN108503079A CN 108503079 A CN108503079 A CN 108503079A CN 201810285490 A CN201810285490 A CN 201810285490A CN 108503079 A CN108503079 A CN 108503079A
- Authority
- CN
- China
- Prior art keywords
- parts
- filtrate
- municipal wastewater
- construction technology
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Abstract
The invention discloses a kind of municipal wastewater construction technologies, include the following steps：S1, municipal wastewater remove large-sized sundries by grid etc., obtain just treated sewage；S2 is added Fenton reagent into the first treated sewage of step S1 acquisitions, is uniformly mixed, and reaction is filtered for the first time, the first filtrate of acquisition；S3 is passed through ozone into the first filtrate of step S2 acquisitions, adds compound silica gel, fully reacts, second of filtering, the second filtrate of acquisition；S4 is added sodium carbonate or sodium bicarbonate into the second filtrate of step S3 acquisitions, is uniformly mixed, acquisition third filtrate after third time filters；The third filtrate obtained in step S4 is carried out compound film process, obtains drinking water by S5；The composite membrane includes the component of following parts by weight：35 50 parts of nitrocellulose filter；12 15 parts of Nanocrystalline Cellulose Colloid；36 parts of nano-titanium dioxide.Municipal wastewater can reach drinking water discharge standard after this process.
Description
Technical field
The present invention relates to municipal wastewater process fields, more specifically, it relates to a kind of municipal wastewater construction technology.
Background technology
Municipal wastewater discharge capacity is big, including sanitary wastewater, industrial wastewater etc., wherein containing a large amount of total dissolved solidss,
COD, BOD, total silicon, ammonia, other pollutants, municipal wastewater after processing are generally recycled, and can only be used as cleaning, flushing the toilet
Aspect, since treatment technology is limited, it is difficult to which the municipal wastewater after directly will be purified is used as drinking water.However, urban human
Mouth quantity is big, and drinking water dosage is big, and being used as drinking water after municipal wastewater is purified has higher value.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of municipal wastewater construction technology, municipal administration
The advantages of can reach the standard of drinking water discharge after the dirty water decontamination handles.
To achieve the above object, the present invention provides following technical solutions：
A kind of municipal wastewater construction technology, includes the following steps：
S1, municipal wastewater remove large-sized sundries by grid etc., obtain just treated sewage；
S2 is added Fenton reagent in the first treated sewage obtained to step S1, is uniformly mixed, and reaction is filtered for the first time, obtains the
One filtrate；
S3 is passed through ozone into the first filtrate of step S2 acquisitions, adds compound silica gel, fully reacts, and second of filtering obtains
Obtain the second filtrate；
S4 is added sodium carbonate or sodium bicarbonate into the second filtrate of step S3 acquisitions, is uniformly mixed, and third time obtains after filtering
Third filtrate；
The third filtrate obtained in step S4 is carried out compound film process, obtains drinking water by S5；
The composite membrane includes the component of following parts by weight：
35-50 parts of nitrocellulose filter；
12-15 parts of Nanocrystalline Cellulose Colloid；
3-6 parts of nano-titanium dioxide.
Through the above technical solutions, grid can remove the large scale sundries in municipal wastewater, including block-like sludge, stone
Deng reducing large scale sundries to the burden that is handled in step S2, step S3, step S4.And Fenton reagent has strong oxidizing property,
The hydroxyl radical free radical that strong oxidizing property can be generated in first treated sewage, increases electrode potential, and grease difficult to degrade therein etc. is organic
Object and generate organic free radical, to destroy the structure of organic matter, i.e. oxygenolysis organic matter.On the other hand, Fenton reagent can
The stench that decolourizes and remove is carried out to first treated sewage.Ozone is passed through into the first filtrate, high-oxygen water is formed, further to the first filtrate
In remaining organic matter degrade, and cooperate with compound silica gel, the ingredient in compound silica gel gradually discharges, and helps to carry
Height carries out more efficiently structure destruction to organic matters such as the greases that has been broken down into short chain, improves purification efficiency, and will
Heavy metal in sewage is settled.And during being passed through ozone, ozone forms a large amount of bubbles in the first filtrate, drives
Compound silica gel constantly floats wherein, or even floats on the water surface, to swimming in residual grease and sewage on the water surface
Organic matter further degraded, improve to the degradation of the first filtrate.And carbonic acid is added to the second filtrate in step 4
Sodium or sodium bicarbonate can play the role of adjusting pH value therein, it is made to tend to be neutral, after being filtered along with third time, wherein
It generates or remaining deposit is removed, reduce the burden that composite membrane carries out third filtrate further purified treatment, it can
Extend the service life of composite membrane.Carboxylic Acid Fibre element film, Nanocrystalline Cellulose Colloid, the nanometer titanium dioxide contained in composite membrane
Titanium carries out sterilization processing and by small size impurity absorption therein to third filtrate, and the municipal wastewater for making after processing, which reaches, to be drunk
Water discharge standard.
Further preferably：The preparation method of the composite membrane includes the following steps：
The nano-titanium dioxide of corresponding parts by weight, Nanocrystalline Cellulose Colloid are sufficiently mixed by step 1, and it is mixed to form second
Close liquid；Step 2 stops heating and keeping the temperature after the second mixed liquor obtained in step 1 is heated to 45-50 DEG C, by nitric acid fibre
The plain film of dimension is divided submergence and is placed in the second mixed liquor, and 30-45min is impregnated, and takes out and is placed on 20-33s in 0 DEG C of environment, dry.
Through the above technical solutions, nano-titanium dioxide has preferable bactericidal effect, and according to the principle of similar compatibility,
After the heating of the second mixed liquor, molecular motion aggravation is good to be more easy to make nano-titanium dioxide and nano micro crystal cellulose to be formed
Good connection, and nano micro crystal cellulose forms network-like structure between each other, further through similar compatibility principle, makes to be connected with and receive
The nano micro crystal cellulose of rice titanium dioxide is formed with nitrocellulose filter to be connected, and is taken out and is placed on 20-33s in 0 DEG C of environment,
Nano-titanium dioxide, nano micro crystal cellulose, nitrocellulose filter can be made to connect even closer, third is filtered to improve it
The treatment effeciency of liquid.
Further preferably：The grain size of nano micro crystal cellulose is 50-100nm in the composite membrane.
Through the above technical solutions, being found through research (concentration of emission experiment), the nano microcrystalline fiber in the particle size range
Element has the specific surface area of bigger, is formed and is connected with nano-titanium dioxide convenient for it.
Further preferably：Nano micro crystal cellulose containing 0.1-0.2wt% in the Nanocrystalline Cellulose Colloid.
Through the above technical solutions, being found through research (concentration of emission experiment), the nano microcrystalline in the content range is fine
The adsorbable more nano-titanium dioxide of dimension element, to improve the detergent power of composite membrane.
Further preferably：The compound silica gel includes the component of following parts by weight：
66-71 parts of Bio-sil；
5-8 parts of nano silicon dioxide；
1-5 parts of ethylenediamine tetra-acetic acid；
2-3 parts of calcium acetate；
2-5 parts of hydroxyethyl ethylenediamine；
5-10 parts of water.
Through the above technical solutions, ethylenediamine tetra-acetic acid, calcium acetate, hydroxyethyl ethylenediamine have good chelation,
By the heavy metal subsiding and purifying in the first filtrate.Nano silicon dioxide forms network-like structure in water, by ethylenediamine tetra-acetic acid,
Calcium acetate, hydroxyethyl ethylenediamine are attached to Bio-sil.And Bio-sil increases specific surface area, helps to improve suction
The content of attached nano silicon dioxide, ethylenediamine tetra-acetic acid, calcium acetate, hydroxyethyl ethylenediamine, when the compound silica gel of formation is set to
Enter when being filtered in the first filtrate, each component on surface can gradually discharge, and contribute to a more huge sum of moneys in the first filtrate
Belong to and carry out settlement treatment, improves the removal rate to heavy metal.On the other hand, silica is realized more preferable under the action of ozone
Catalytic action, improve to the degradation effect of organic matter in the first filtrate.
Further preferably：The preparation method of compound silica gel includes the following steps in the step S3：
(1) nano silicon dioxide of corresponding parts by weight, ethylenediamine tetra-acetic acid, calcium acetate, hydroxyethyl ethylenediamine are added together
It into the water of corresponding parts by weight, is uniformly mixed, forms the first mixed liquor；
(2) Bio-sil of corresponding parts by weight is added in the first mixed liquor obtained into step (1), ultrasonication 5-
10min is spontaneously dried, and is made.
Through the above technical solutions, by ultrasonication 5-10min, the dispersion effect of nano silicon dioxide can be improved,
It is connected to be formed with the outer surface of Bio-sil and pore surface, and then improves heavy metal in the first filtrate of silica pair
Processing effect.
In conclusion the invention has the advantages that：
1. the COD (COD) being effectively improved in municipal wastewater, biochemical oxygen demand (BOD) (BOD), concentration of suspension (SS)；
2. effectively removing bacterium therein, heavy metal, reach drinking water discharge standard.
Description of the drawings
Fig. 1 is the flow chart of municipal wastewater construction technology in embodiment 1.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1：Municipal wastewater construction technology, as shown in Figure 1, including the following steps：
S1, municipal wastewater remove large-sized sundries by grid etc., obtain just treated sewage；
S2 is added Fenton reagent in the first treated sewage obtained to step S1, is uniformly mixed, and reaction is filtered for the first time, obtains the
One filtrate；
S3 is passed through ozone into the first filtrate of step S2 acquisitions, adds compound silica gel, fully reacts, and second of filtering obtains
Obtain the second filtrate；
S4 is added sodium bicarbonate into the second filtrate of step S3 acquisitions, is uniformly mixed, and third time obtains third after filtering and filters
Liquid；
The third filtrate obtained in step S4 is carried out compound film process, obtains drinking water by S5.
Wherein, the component of composite membrane and its corresponding parts by weight are as shown in table 1；The component of compound silica gel and its corresponding
Parts by weight are as shown in table 2.The preparation method of composite membrane includes the following steps：
Step 1, by nano-titanium dioxide, the nanometer containing the nano micro crystal cellulose that 0.1-0.2wt% grain sizes are 50-100nm
Microcrystal cellulose colloid is sufficiently mixed, and forms the second mixed liquor；
Step 2 stops heating and keeping the temperature after the second mixed liquor obtained in step 1 is heated to 45-50 DEG C, by cellulose nitrate
Plain film is divided submergence and is placed in the second mixed liquor, and 30-45min is impregnated, and takes out and is placed on 20-33s in 0 DEG C of environment, dry.
And the preparation method of compound silica gel includes the following steps：
(1) nano silicon dioxide of corresponding parts by weight, ethylenediamine tetra-acetic acid, calcium acetate, hydroxyethyl ethylenediamine are added together
It into the water of corresponding parts by weight, is uniformly mixed, forms the first mixed liquor；
(2) Bio-sil of corresponding parts by weight is added in the first mixed liquor obtained into step (1), ultrasonication 5-
10min is spontaneously dried, and compound silica gel is made.
Embodiment 2-3：Municipal wastewater construction technology, difference lies in, the components of composite membrane and its corresponding with embodiment 1
Parts by weight are as shown in table 1；The component of compound silica gel and its corresponding parts by weight are as shown in table 2.
The component and its corresponding parts by weight of composite membrane in 1 embodiment 1-3 of table
The component and its corresponding parts by weight of compound silica gel in 2 embodiment 1-3 of table
Embodiment 4：Municipal wastewater construction technology, difference lies in nano micro crystal celluloses in step 1 with embodiment 1
Content is 0.15wt%.
Embodiment 5：Municipal wastewater construction technology, difference lies in nano micro crystal celluloses in step 1 with embodiment 1
Content is 0.2wt%.
Comparative example 1：Municipal wastewater construction technology, difference lies in be not used composite membrane with embodiment 1.
Comparative example 2-5：Municipal wastewater construction technology, difference lies in, the components of composite membrane and its corresponding with embodiment 1
Parts by weight are as shown in table 3.
The component and its corresponding parts by weight of composite membrane in 3 comparative example 2-5 of table
Comparative example 6：Municipal wastewater construction technology, difference lies in be not used compound silica gel with embodiment 1.
Comparative example 7-12：Municipal wastewater construction technology, difference lies in the components and its phase of compound silica gel with embodiment 1
The parts by weight answered are as shown in table 4.
The component and its corresponding parts by weight of compound silica gel in 4 comparative example 7-12 of table
Comparative example 13：Municipal wastewater construction technology, difference lies in nano micro crystal celluloses in step 1 with embodiment 1
Content be 0.05wt%.
Comparative example 14：Municipal wastewater construction technology, difference lies in nano micro crystal celluloses in step 1 with embodiment 1
Content be 0.3wt%.
Comparative example 15：Municipal wastewater construction technology, difference lies in the grain size of nano micro crystal cellulose is with embodiment 1
30-50nm。
Comparative example 16：Municipal wastewater construction technology, difference lies in the grain size of nano micro crystal cellulose is with embodiment 1
150-250nm。
Comparative example 17：Municipal wastewater construction technology, with embodiment 1 difference lies in, in step 2, the second mixed liquor without
Heat treatment.
Comparative example 18：Municipal wastewater construction technology, difference lies in step 2, the nitric acid after immersion is fine with embodiment 1
The plain film of dimension is not disposed in 0 DEG C of environment.
Comparative example 19：Municipal wastewater construction technology, difference lies in step 2, will obtain in step 1 with embodiment 1
The second mixed liquor be heated to 35-40 DEG C after stop heat and keep the temperature, nitrocellulose filter, which is divided submergence, is placed in the second mixing
In liquid, 20-25min is impregnated, takes out and is placed on 10-15s in 0 DEG C of environment, it is dry.
Comparative example 20：Municipal wastewater construction technology, difference lies in step 2, will obtain in step 1 with embodiment 1
The second mixed liquor be heated to 60-65 DEG C after stop heat and keep the temperature, nitrocellulose filter, which is divided submergence, is placed in the second mixing
In liquid, 50-55min is impregnated, takes out and is placed on 35-40s in 0 DEG C of environment, it is dry.
Concentration of emission is tested
Test sample：Using embodiment 1-5 as test sample, with comparative example 1-20 samples as a contrast.
Test method：25 municipal wastewater ponds are chosen, respectively number 1-25, being put in each cesspool has 200m3 municipal
Sewage, water temperature is 12 DEG C, and the COD of municipal wastewaterCrFor 495mg/L, BOD5For 203mg/L, SS 232mg/L, vegetable and animals oils
A concentration of 113mg/L, wherein 1-5 cesspools use interior embodiment 1-5 processing, and 6-25 cesspools then use comparative example
1-20 processing.
CODCrIt is measured using dichromate titration；
BOD5It is measured using dilution and inocalation method [GB7488-87]；
SS, heavy metal concentration, excrement colibacillus group number are measured using GB18918-2002；
PH value detection is carried out to embodiment 1-5, comparative example 1-20 treated municipal wastewater.
Test result：BOD, COD, SS, heavy metal concentration, excrement colibacillus group number are as shown in table 5 in embodiment 1-5；Comparison
BOD, COD, SS, heavy metal concentration, excrement colibacillus group number are as shown in table 6 in example 1-20.
BOD, COD, SS, heavy metal concentration, excrement colibacillus group number in 5 embodiment 1-5 of table
BOD, COD, SS, heavy metal concentration, excrement colibacillus group number in 6 comparative example 1-20 of table
By table 5 and table 6 it is found that the pH value through embodiment 1-5 treated municipal wastewaters is in the range of 6.8-7.5, and
The pH value of example 1-20 treated municipal wastewaters is between 5.5-6.5 by contrast, overall meta-acid.By table 5 and table 6 it is found that through reality
It applies a 1-5 treated in municipal wastewater, BOD, COD, SS, heavy metal concentration, excrement colibacillus group number are discharged in level-one water and marked
Within the scope of standard, the requirement of drinking water is reached.And it can not reach simultaneously in example 1-20 treated municipal wastewaters by contrast
BOD, COD, SS, heavy metal concentration, excrement colibacillus group number reach while standard compliant situation, and content of beary metal therein with
And excrement colibacillus group number is exceeded, cannot meet the requirement of drinking water.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of municipal wastewater construction technology, which is characterized in that include the following steps：
S1, municipal wastewater remove large-sized sundries by grid etc., obtain just treated sewage；
S2 is added Fenton reagent in the first treated sewage obtained to step S1, is uniformly mixed, and reaction is filtered for the first time, obtains the
One filtrate；
S3 is passed through ozone into the first filtrate of step S2 acquisitions, adds compound silica gel, fully reacts, and second of filtering obtains
Obtain the second filtrate；
S4 is added sodium carbonate or sodium bicarbonate into the second filtrate of step S3 acquisitions, is uniformly mixed, and third time obtains after filtering
Third filtrate；
The third filtrate obtained in step S4 is carried out compound film process, obtains drinking water by S5；
The composite membrane includes the component of following parts by weight：
35-50 parts of nitrocellulose filter；
12-15 parts of Nanocrystalline Cellulose Colloid；
3-6 parts of nano-titanium dioxide.
2. municipal wastewater construction technology according to claim 1, which is characterized in that the preparation method of the composite membrane includes
Following steps：
The nano-titanium dioxide of corresponding parts by weight, Nanocrystalline Cellulose Colloid are sufficiently mixed by step 1, and it is mixed to form second
Close liquid；
Step 2 stops heating and keeping the temperature after the second mixed liquor obtained in step 1 is heated to 45-50 DEG C, by cellulose nitrate
Plain film is divided submergence and is placed in the second mixed liquor, and 30-45min is impregnated, and takes out and is placed on 20-33s in 0 DEG C of environment, dry.
3. municipal wastewater construction technology according to claim 1, which is characterized in that nano microcrystalline fiber in the composite membrane
The grain size of element is 50-100nm.
4. municipal wastewater construction technology according to claim 1, which is characterized in that in the Nanocrystalline Cellulose Colloid
Nano micro crystal cellulose containing 0.1-0.2wt%.
5. municipal wastewater construction technology according to claim 1, which is characterized in that the compound silica gel includes following weight
The component of number：
66-71 parts of Bio-sil；
5-8 parts of nano silicon dioxide；
1-5 parts of ethylenediamine tetra-acetic acid；
2-3 parts of calcium acetate；
2-5 parts of hydroxyethyl ethylenediamine；
5-10 parts of water.
6. municipal wastewater construction technology according to claim 4, which is characterized in that the system of compound silica gel in the step S3
Preparation Method includes the following steps：
The nano silicon dioxide of corresponding parts by weight, ethylenediamine tetra-acetic acid, calcium acetate, hydroxyethyl ethylenediamine are added together to phase
It in the water for answering parts by weight, is uniformly mixed, forms the first mixed liquor；
The Bio-sil of corresponding parts by weight is added to step（1）In first mixed liquor of middle acquisition, ultrasonication 5-
10min is spontaneously dried, and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285490.2A CN108503079A (en) | 2018-04-02 | 2018-04-02 | Municipal wastewater construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285490.2A CN108503079A (en) | 2018-04-02 | 2018-04-02 | Municipal wastewater construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108503079A true CN108503079A (en) | 2018-09-07 |
Family
ID=63379688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285490.2A Pending CN108503079A (en) | 2018-04-02 | 2018-04-02 | Municipal wastewater construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108503079A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013905A1 (en) * | 1980-04-11 | 1981-08-20 | Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg | CATALYST AND METHOD FOR THE OZONE OF WASTEWATER WITH ORGANIC IMPURITIES |
| US20110226699A1 (en) * | 2010-03-22 | 2011-09-22 | Edward Rosenberg | Nanoporous Silica Polyamine Composites with Surface-Bound Zirconium (IV) and Methods of Use |
| CN103990452A (en) * | 2014-06-06 | 2014-08-20 | 江苏南大环保科技有限公司 | Catalyst and catalyst carrier for deep treatment of waste water and preparation methods of catalyst and catalyst carrier |
| CN104437546A (en) * | 2014-12-09 | 2015-03-25 | 易志坚 | Non-homogeneous phase ozone catalyst and preparation method thereof |
| CN105923737A (en) * | 2016-06-17 | 2016-09-07 | 东莞道汇环保科技有限公司 | Method for treating waste water by using advanced oxidation technology |
| CN107098537A (en) * | 2017-04-25 | 2017-08-29 | 杭州之江市政建设有限公司 | Municipal wastewater handling process |
| CN107651794A (en) * | 2016-07-26 | 2018-02-02 | 中国科学院过程工程研究所 | A kind of processing system and processing method of industrial wastewater bio-chemical effluent |
-
2018
- 2018-04-02 CN CN201810285490.2A patent/CN108503079A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013905A1 (en) * | 1980-04-11 | 1981-08-20 | Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg | CATALYST AND METHOD FOR THE OZONE OF WASTEWATER WITH ORGANIC IMPURITIES |
| US20110226699A1 (en) * | 2010-03-22 | 2011-09-22 | Edward Rosenberg | Nanoporous Silica Polyamine Composites with Surface-Bound Zirconium (IV) and Methods of Use |
| CN103990452A (en) * | 2014-06-06 | 2014-08-20 | 江苏南大环保科技有限公司 | Catalyst and catalyst carrier for deep treatment of waste water and preparation methods of catalyst and catalyst carrier |
| CN104437546A (en) * | 2014-12-09 | 2015-03-25 | 易志坚 | Non-homogeneous phase ozone catalyst and preparation method thereof |
| CN105923737A (en) * | 2016-06-17 | 2016-09-07 | 东莞道汇环保科技有限公司 | Method for treating waste water by using advanced oxidation technology |
| CN107651794A (en) * | 2016-07-26 | 2018-02-02 | 中国科学院过程工程研究所 | A kind of processing system and processing method of industrial wastewater bio-chemical effluent |
| CN107098537A (en) * | 2017-04-25 | 2017-08-29 | 杭州之江市政建设有限公司 | Municipal wastewater handling process |
Non-Patent Citations (3)
| Title |
|---|
| 刘方: "改性CA和PA膜的制备及性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 贾红兵等: "《高分子材料》", 30 November 2009 * |
| 陈红莲等: "纳米纤维素晶体的制备及其在聚合物中应用的研究进展", 《热带作物学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Dharupaneedi et al. | Membrane-based separation of potential emerging pollutants | |
| Goswami et al. | Membrane bioreactor and integrated membrane bioreactor systems for micropollutant removal from wastewater: A review | |
| CN202322568U (en) | Deep treatment system of high-concentration percolate of integrated garbage treatment site | |
| CN109592840A (en) | A kind of School Wastewater processing unit | |
| CN103523971B (en) | Combined treatment method and combined treatment system for offshore platform domestic sewage | |
| CN101337752A (en) | Advanced treatment process for paper-making waste water | |
| CN104591443A (en) | Circular treatment equipment for aquiculture agricultural waste water | |
| CN107098537A (en) | Municipal wastewater handling process | |
| CN106946407A (en) | A kind of process for reclaiming of crushed coal pressure gasifying wastewater biochemical water outlet | |
| CN1478737A (en) | Garbage percolation liquid treatment process | |
| CN109133524A (en) | The processing system and processing method of high COD medicine intermediate wastewater from chemical industry with high salt | |
| Fazal et al. | Membrane separation technology on pharmaceutical wastewater by using MBR (Membrane Bioreactor) | |
| CN102086079B (en) | Domestic sewage zero emission treatment method and system | |
| CN107500442A (en) | Integrated treatment method and device for micro-polluted source water | |
| CN205603429U (en) | Micro -polluted water source water purification system | |
| Yekani et al. | Design and annual operation of full scale landfill leachate plant in Iran: focus on multistage membrane technology | |
| CN110104887A (en) | Positive infiltration domestic sewage treatment device and processing method | |
| CN208471830U (en) | A kind of wastewater ocean disposal device | |
| CN108503079A (en) | Municipal wastewater construction technology | |
| CN205907145U (en) | Production domestic sewage zero release processing system | |
| CN205974171U (en) | Device for treating printing and dyeing wastewater | |
| CN1344690A (en) | Water treating method and treater for producing pure health water | |
| CN212403883U (en) | Wastewater treatment equipment | |
| CN209890463U (en) | Intelligent modularized integrated sewage treatment system | |
| CN107721086A (en) | A kind of gallic acid wastewater treatment equipment and its technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20210330 |
|
| AD01 | Patent right deemed abandoned |