CN103265150A - Method for flocculation processing after adsorption of polluting positive ions by microorganisms - Google Patents
Method for flocculation processing after adsorption of polluting positive ions by microorganisms Download PDFInfo
- Publication number
- CN103265150A CN103265150A CN2013102297215A CN201310229721A CN103265150A CN 103265150 A CN103265150 A CN 103265150A CN 2013102297215 A CN2013102297215 A CN 2013102297215A CN 201310229721 A CN201310229721 A CN 201310229721A CN 103265150 A CN103265150 A CN 103265150A
- Authority
- CN
- China
- Prior art keywords
- flocculation
- microorganism
- flocculation agent
- flocculating
- suspension
- 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
Abstract
The invention discloses a method for flocculation processing after adsorption of polluting positive ion by microorganism. According to the method, a flocculating agent is adopted for processing, after proper regulation of the flocculating conditions, suspending microorganism thallus adsorbing the polluted positive ions such as heavy metals and radionuclide are rapidly separated from a liquid phase through flocculation and then collected, the microorganism thallus can be flocculated in shorter time, the whole flocculation process is simple and practical, low in required cost, applicable to large scale processing of polluting positive ions in waste water of heavy metal pollution industry, nuclear industry or the like, and also applicable to sudden water body pollution accidents, and has a wide development space and market prospect.
Description
Technical field
The method of flocculating after the present invention relates to utilize flocculation agent to contaminative positively charged ions such as microorganism absorption heavy metal and nucleic ions belongs to technical field of sewage treatment.
Background technology
Utilize the microorganism Adsorption of Heavy Metal Ions in waste water treatment, to be subject to people's attention day by day at present, on the correlative study basis that utilizes microorganism to heavy metal ion adsorbed processing, microorganism is handled for the treatment of radwaste, particularly the research of the adsorption treatment aspect of radionuclide ion causes people's attention just day by day in the liquid phase environment, this is new the replenishing and exploring to existing nucleic curing, and great application prospect is also arranged.
Biological absorption (Biosorption) is a kind of emerging technology that effluent containing heavy metal ions pollutes of handling, it is by biomass cells (based on microorganism) or biomaterial Adsorption of Heavy Metal Ions, its wide material sources, when the concentration of heavy metal ion in the water is low, can concentrate or remove heavy metal ion in the water by means of adsorption equilibrium, also can further reclaim heavy metal ion, be considered to a kind of technology of alternative traditional treatment method of having very much potentiality.After mid-term in last century, Ruchhoft proposed with the 239Pu in biosorption process (active sludge) the removal waste water, this has progressively been carried out research widely abroad.In recent years, biological absorption heavy metal has formed an emerging research field especially gradually, and begins this method is used in the middle of the adsorption treatment of nucleic ion, and wherein the correlative study of microbial adsorbent occupies significant proportion.
China Patent No.: CN201210017215.5 discloses a kind of method of utilizing colloid bacillus cereus to handle mercury-containing waste water, colloid bacillus cereus has been inoculated in the nitrogen substratum, and contain the potassium breeze to wherein adding the 10-100 purpose, in 28 ℃, 150rpm shaking table, cultivated 5 days, the gained fermented liquid shakes up the back and adds in the mercury-containing waste water as sorbent material, and the volume ratio of fermented liquid and mercury-containing waste water is 5: 95, mixes the back and stirs 3 ~ 5min, staticly settle, the filtering throw out gets final product.Compared with prior art, the present invention utilizes colloid bacillus cereus to the specific adsorption effect of mercury, adopts colloid bacillus cereus as microbial adsorbent mercury-containing waste water to be handled, and it is fast to have adsorption rate, not disturbed by other metal ion, the metastable characteristics of adsorption rate; Select for use to contain potassium breeze (as containing silicate breezes such as illite or potassium felspar sand) and as immobilization material, make bacterial adhesion on silicate particles, thereby make behind the bacterium-mineral complex body absorption mercury that forms easily and solution separating.
In the process of research microorganism to heavy metal ion and nucleic ionic adsorption effect, common adsorption effect is considered, but the microbial adsorbent in the liquid phase was still for dispersion state after absorption finished.Common natural subsidence, centrifugal collection microbial adsorbent in the middle of the experiment, but the natural subsidence required time is long, and centrifugal suitable short run handled.Thalline after how will adsorbing in the practice of extensiveization better separates with liquid phase and also needs further research.
China Patent No.: CN200920189349.9 discloses a kind of efficient flocculating clarification equipment, relates to a kind of flocculation water technology, and Collecting flocculation reaction, precipitation clarifying process are in the efficient flocculating water processing establishment of one.It is characterized in that: flocculation unit, precipitation unit and water unit are vertically arranged; Former water enters the flocculation reaction unit along water inlet pipe, first whirling reaction chamber of flowing through, second whirling reaction chamber and the 3rd whirling reaction chamber, arrange respectively in the reaction chamber little, in, the large size Vortex reactor, for flocculation reaction provides more excellent hydraulics; In precipitation unit tube settler is set, flow-stopping plate and sludge bucket are set in the cloth pool.The utility model is used for the water treatment flocculation process, not only can improve efficient and effect, deposition efficiency and the effluent quality of flocculation reaction effectively, capacity of resisting impact load strengthens, and has structure of reactor compactness rationally, installation is convenient, the characteristics that running cost is low.
China Patent No.: CN99801824.4 discloses a kind of rapid coagulation-flocculation for the treatment of waste water and intermediate processing, and it can handle the waste water that comprises storm runoff rapidly, and the throw out that produces in the treating processes is reused valuably.According to reaching the present invention of purpose as mentioned above, provide a kind of at a high speed to condense-to flocculate and to be precipitated as the method for based process waste water, this method is to carry out to assemble at a high speed and to be precipitated as in the system of based process waste water, this system comprises the tempering tank that connects continuously successively, steel basin, polymer aggregational groove and settling bath, described system disposition has conveyer line to be sent to tempering tank or steel basin with the throw out that will produce in the settling bath, this method comprises on the one hand with the condensing agent adding tempering tank based on clay mineral, wherein clay mineral comprises that zeolite or wilkinite are as main ingredient, inorganic aggregating agent prepared therefrom is added steel basin, and polymeric flocculant is added the polymer aggregational groove; Comprise on the other hand glass particle and diatomaceous mixture added in tempering tank, steel basin and the polymer aggregational groove at least one will handle the throw out that waste water produced and be transformed into the porous ceramics that to reuse.
The present invention studies in the cationic microorganism absorption of contaminatives such as all kinds of heavy metals, nucleic forefathers; and adsorb on the result of study basis in batches in our laboratory of self; handle at the mass-producing of industrial pollution positively charged ion, low-cost high-efficiency; and the emergency processing of the relevant burst pollution incident that may occur etc., propose a kind of flocculation agent that utilizes and microorganism is adsorbed the method for flocculating behind the contaminative positively charged ion.
Summary of the invention
The object of the invention is primarily aimed at the cationic follow-up quick collection and treatment problem of contaminative, provides a kind of flocculation agent that utilizes microorganism to be adsorbed the method for flocculating behind the contaminative positively charged ion.
Technical scheme of the present invention is: the coagulating/flocculating method for processing behind a kind of microorganism absorption contaminative positively charged ion, it is to handle by flocculation agent, after suitably regulating flocculating conditions, with the microbial cells that suspends behind the contaminative positively charged ions such as absorption heavy metal, the radionuclide method of flocculation separation, collection from liquid phase fast.
Concrete processing step is:
A, microorganism absorption back liquid collecting: in the microorganism adsorption unit, fully adsorbed contaminative positively charged ions such as heavy metal ion, nucleic ion when microbial adsorbent after, compile this solution and change flocculation plant over to;
B, the best initial pH regulator of liquid phase flocculation: add pH regulator agent sodium hydroxide or nitric acid in the above-mentioned liquid that changes in the flocculation plant, making pH of suspension is 6 ~ 7;
C, flocculation agent add: dividing 2 ~ 4 times in the suspension adds the flocculation agent that configures, and add pitch time is 5 ~ 15min at every turn;
D, initial stage stir fast: after adding flocculation agent, suspension is stirred 10 ~ 90s fast, flocculation agent is fully mixed with suspension;
E, thalline flocculation: behind the abundant mixing of liquid phase flocculation agent, make suspension flocculating settling 30 ~ 60min under quiescent conditions;
F, collection, drying: behind flocculating settling, take out supernatant liquor, the microbial cells that precipitates is taken out filter again, in loft drier, under 70 ~ 110 ℃, dry to constant weight again.
Selected flocculation agent is common flocculation agent in the method for the present invention, as: inorganic polymer flocculant, as polymerize aluminum chloride; Inorganic flocculating agent is as aluminium salt, molysite; Organic floculant such as polyacrylamide etc.
Major advantage of the present invention:1. present method is to add flocculation agent commonly used in batches in the liquid phase behind microorganism absorption contaminative positively charged ion, only add the short period of time at initial stage can static flocculation after stirring, whole flocculation process is simple and practical; 2. present method is to utilize industrial flocculation agent commonly used to the microbial cells collection of flocculating, and used flocculation agent and relevant device are simple, and required cost is low; 3. efficient: after present method adopted and adds flocculation agent 60min in batches, flocculation efficiency can reach more than 99%, had the advantages that efficient flocculating is collected; 4. present method is to the replenishing of contaminative positively charged ion methods such as microbial enrichment heavy metal, nucleic, but realizes the flocculation to microbial cells within a short period of time; 5. present method can be used for the cationic mass-producing processing of contaminative in the waste water such as heavy metal contamination industry, nuclear industry, also can be used for sudden water pollution event, has wide development space and market outlook.
Embodiment
Can produce by aforementioned processing method and to reach the object of the invention technology.Embodiments of the invention all can be implemented, and the invention is not restricted to these examples.Be to utilize polymerize aluminum chloride (PAC) to absorption Sr below
2+After saccharomyces cerevisiae solution flocculation and several frequently seen flocculation agent to adsorbing Sr
2+After the specific examples of saccharomyces cerevisiae flocculation:
Example table 1.PAC is to absorption Sr
2+After saccharomyces cerevisiae solution flocculating effect
Table 1 PAC is to absorption Sr
2+
After the flocculating effect of saccharomyces cerevisiae solution
Example 2.Common flocculation agent is to absorption Sr
2+After the saccharomyces cerevisiae flocculating effect
The common flocculation agent of table 2 is to the saccharomyces cerevisiae flocculating effect of absorption behind the Sr2+
The various embodiments described above can reach the purpose of the flocculation treatment flocculation of the present invention after to microorganism absorption contaminative positively charged ion by aforementioned processing method.Embodiments of the invention all can be implemented, and the invention is not restricted to these embodiment.
Claims (2)
1. the coagulating/flocculating method for processing behind the microorganism absorption contaminative positively charged ion is characterized in that its processing step is:
A, microorganism absorption back liquid collecting: in the microorganism adsorption unit, fully adsorbed contaminative positively charged ions such as heavy metal ion, nucleic ion when microbial adsorbent after, compile this solution and change flocculation plant over to;
B, the best initial pH regulator of liquid phase flocculation: add pH regulator agent sodium hydroxide or nitric acid in the above-mentioned liquid that changes in the flocculation plant, making pH of suspension is 6 ~ 7;
C, flocculation agent add: dividing 2 ~ 4 times in the suspension adds the flocculation agent that configures, and add pitch time is 5 ~ 15min at every turn;
D, initial stage stir fast: after adding flocculation agent, suspension is stirred 10 ~ 90s fast, flocculation agent is fully mixed with suspension;
E, thalline flocculation: behind the abundant mixing of liquid phase flocculation agent, make suspension flocculating settling 30 ~ 60min under quiescent conditions;
F, collection, drying: behind flocculating settling, take out supernatant liquor, the microbial cells that precipitates is taken out filter again, in loft drier, under 70 ~ 110 ℃, dry to constant weight again.
2. the coagulating/flocculating method for processing behind the microorganism absorption contaminative positively charged ion according to claim 1 is characterized in that the described flocculation agent that selects is common flocculation agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102297215A CN103265150A (en) | 2013-06-09 | 2013-06-09 | Method for flocculation processing after adsorption of polluting positive ions by microorganisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102297215A CN103265150A (en) | 2013-06-09 | 2013-06-09 | Method for flocculation processing after adsorption of polluting positive ions by microorganisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103265150A true CN103265150A (en) | 2013-08-28 |
Family
ID=49008829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102297215A Pending CN103265150A (en) | 2013-06-09 | 2013-06-09 | Method for flocculation processing after adsorption of polluting positive ions by microorganisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103265150A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007067A (en) * | 2016-06-27 | 2016-10-12 | 代群威 | Microbial adsorption, flocculation and collection integrated technology for heavy metal ion wastewater treatment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242451A (en) * | 1979-10-25 | 1980-12-30 | Anheuser-Busch, Incorporated | Method of treatment of flocculated homogenate of microbial cells containing glucose isomerase |
| CN101182512A (en) * | 2007-08-01 | 2008-05-21 | 江苏省嘉庆水务发展有限公司 | Biology diatom water treatment agent and method of producing the same |
-
2013
- 2013-06-09 CN CN2013102297215A patent/CN103265150A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242451A (en) * | 1979-10-25 | 1980-12-30 | Anheuser-Busch, Incorporated | Method of treatment of flocculated homogenate of microbial cells containing glucose isomerase |
| CN101182512A (en) * | 2007-08-01 | 2008-05-21 | 江苏省嘉庆水务发展有限公司 | Biology diatom water treatment agent and method of producing the same |
Non-Patent Citations (2)
| Title |
|---|
| 代群威: "辐照条件下模拟放射性核素Sr2+的微生物吸附研究", 《中国博士学位论文全文数据库-工程科技Ⅰ辑》 * |
| 宋力 等: "一种新型絮凝剂对养殖水体中铜的去除作用", 《山西农业科学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007067A (en) * | 2016-06-27 | 2016-10-12 | 代群威 | Microbial adsorption, flocculation and collection integrated technology for heavy metal ion wastewater treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111592069B (en) | Modified diatomite-nano calcium hydroxide composite sewage treatment agent | |
| CN103274509A (en) | Preparation method of composite flocculant capable of adsorbing heavy metal ions and composite flocculant product through | |
| CN103738992A (en) | Preparation technology of efficient polymeric aluminum chloride for wastewater treatment | |
| CN110143623B (en) | Urban domestic sewage purifying agent and preparation method thereof | |
| WO2013097460A1 (en) | Wastewater pre-treatment system and wastewater pre-treatment method | |
| CN103011464B (en) | Treatment method of stibium-containing wastewater | |
| CN109607707A (en) | A kind of low energy consumption high suspended matter waste water treatment process and processing unit | |
| CN111484115A (en) | Novel sewage phosphorus removal agent and preparation and application methods thereof | |
| CN113401996A (en) | Water treatment defluorination medicament and preparation method thereof | |
| CN1730415A (en) | Technique for treating garbage percolate based on diatomite and UASB | |
| Zueva | Current legislation and methods of treatment of wastewater coming from waste electrical and electronic equipment processing | |
| CN111392804A (en) | Water purification method by using fly ash | |
| CN100447094C (en) | Multistage gradient adsorption channel adsorption technology | |
| CN104478055A (en) | Sewage treatment complexing agent as well as preparation method and application method thereof | |
| CN106007067A (en) | Microbial adsorption, flocculation and collection integrated technology for heavy metal ion wastewater treatment | |
| CN203498191U (en) | Ultrafiltration combination device for removing fluoride ions in groundwater | |
| CN101343126B (en) | Apparatus for treatment of domestic wastewater | |
| CN106732469A (en) | A kind of preparation method of magnetic absorption dephosphorization agent and its renovation process of product | |
| CN105174401A (en) | High-efficiency sewage treating agent | |
| CN103265150A (en) | Method for flocculation processing after adsorption of polluting positive ions by microorganisms | |
| CN114751520B (en) | Method for treating ammonia sugar processing wastewater by utilizing fungus microalgae symbiotic system | |
| CN102553547A (en) | Potassium-based rectorite water treatment material and preparation method thereof | |
| CN103007588B (en) | The method of the ammonium sulfate liquor purification that a kind of sintering flue gas ammonia method desulfurizing technique produces | |
| CN112794416A (en) | Flocculation-adsorption reagent and method for synchronously removing turbidity, ammonia nitrogen and TP in black and odorous water body | |
| CN212246704U (en) | Sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130828 |