CN112979109A - Method for in-situ treatment of river sediment phosphorus - Google Patents
Method for in-situ treatment of river sediment phosphorus Download PDFInfo
- Publication number
- CN112979109A CN112979109A CN202110121148.0A CN202110121148A CN112979109A CN 112979109 A CN112979109 A CN 112979109A CN 202110121148 A CN202110121148 A CN 202110121148A CN 112979109 A CN112979109 A CN 112979109A
- Authority
- CN
- China
- Prior art keywords
- phosphorus
- sludge
- plate groove
- river sediment
- inclined plate
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 118
- 239000011574 phosphorus Substances 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000013049 sediment Substances 0.000 title claims abstract description 19
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000002699 waste material Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 18
- 238000005086 pumping Methods 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000010865 sewage Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 13
- 239000002351 wastewater Substances 0.000 claims description 13
- 238000004062 sedimentation Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 abstract description 2
- 239000000284 extract Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012851 eutrophication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/02—Preparation of phosphorus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a method for in-situ treatment of river sediment phosphorus, which comprises the following steps: the first step is as follows: carrying out sludge phosphorus treatment, namely filtering impurities in molten sludge phosphorus hot water, selecting solid particles capable of passing through holes of a filter medium, and sending the solid particles into a sludge phosphorus pool; the second step is that: settling the phosphorus sludge, pumping the phosphorus sludge from the phosphorus sludge pool to an inclined plate groove by using a crude phosphorus pump, and adding a proper amount of water into the lower part of the inclined plate groove to prevent the filtered liquid phosphorus from contacting with air and burning; the third step: the swash plate groove is cleared up, subsides the back at the phosphorus mud, takes out the phosphorus mud after will subsiding through the vacuum pump A of bottom, to the water injection of swash plate inslot, and rethread vacuum pump B extracts the waste liquid, and the waste liquid includes not through filterable phosphorus mud impurity in swash plate groove and sewage. Can obtain the phosphorus product that accords with the byproduct specification through the processing to the phosphorus sludge, simultaneously, in the course of the treatment, can process the processing to producing the waste liquid that contains phosphorus, avoid secondary pollution environment.
Description
Technical Field
The invention belongs to the technical field of river sediment phosphorus treatment, and particularly relates to a method for in-situ treatment of river sediment phosphorus.
Background
The phosphorus sludge is the sludge which is adsorbed by the activated sludge in the water treatment, and can not directly harm the human health, but the phosphorus sludge can pollute the water body to cause water eutrophication, so that the water can not be normally used after going bad.
The sludge phosphorus is a useful byproduct from the view point of recycling economy, and the recovery of the sludge phosphorus can realize energy conservation and emission reduction and simultaneously reduce the pollution of the sludge phosphorus to the environment.
However, after the sludge phosphorus is recovered and processed, partial phosphorus-containing wastewater still exists, and if the wastewater is not treated and is discharged again, water eutrophication still can be caused.
Disclosure of Invention
The invention aims to provide a method for treating river sediment phosphorus in situ, which aims to solve the problem of treating the sludge phosphorus processing wastewater.
In order to achieve the purpose, the invention provides the following technical scheme: a method for in-situ treatment of river sediment phosphorus comprises the following steps:
the first step is as follows: carrying out sludge phosphorus treatment, namely filtering impurities in molten sludge phosphorus hot water, selecting solid particles capable of passing through holes of a filter medium, and sending the solid particles into a sludge phosphorus pool;
the second step is that: settling the phosphorus sludge, pumping the phosphorus sludge from the phosphorus sludge pool to an inclined plate groove by using a crude phosphorus pump, and adding a proper amount of water into the lower part of the inclined plate groove to prevent the filtered liquid phosphorus from contacting with air and burning;
the third step: cleaning the inclined plate groove, after the phosphorus sludge is settled, pumping out the settled phosphorus sludge through a vacuum pump A at the bottom, injecting water into the inclined plate groove, and pumping out waste liquid through a vacuum pump B, wherein the waste liquid comprises phosphorus sludge impurities and sewage which are not filtered through the inclined plate groove;
the fourth step: removing phosphorus from the waste liquid, feeding the waste liquid into a waste water tank, adding activated carbon particles for adsorption treatment, manually stirring at regular time, and filtering by a filtering membrane to discharge the waste water;
the fifth step: secondary sedimentation, namely conveying the sludge phosphorus pumped by the vacuum pump A into an inclined plate groove for sedimentation through a crude phosphorus pump after the sludge phosphorus is collected;
and a sixth step: refining the crude phosphorus, namely feeding the filtered qualified crude phosphorus into a refining pot for processing, and finally obtaining the qualified phosphorus.
The inclined plate groove in the second step is composed of a rectangular groove, a filter plate device inclined by 45 degrees and a vacuum pump A at the bottom of the groove.
The filter plate device comprises an upper filter plate, filter cloth and a lower filter plate, wherein the filter cloth is made of nylon or tussah material.
The settling time in the third step is 1 to 3 hours.
And the adding ratio of the activated carbon particles to the waste liquid in the fourth step is 1: 40.
The interval time of the manual stirring in the fourth step is 30 minutes.
The membrane pores of the filter membrane in the fourth step are between 0.4 and 0.6 microns.
The total adsorption time in the fourth step is not less than 2 hours.
The secondary settling time in the fifth is not more than 1.5 hours.
Compared with the prior art, the invention has the beneficial effects that: can obtain the phosphorus product that accords with the byproduct specification through the processing to the phosphorus sludge, simultaneously, in the course of the treatment, can process the processing to producing the waste liquid that contains phosphorus, avoid secondary pollution environment.
Detailed Description
Example 1
A method for in-situ treatment of river sediment phosphorus comprises the following steps:
the first step is as follows: carrying out sludge phosphorus treatment, namely filtering impurities in molten sludge phosphorus hot water, selecting solid particles capable of passing through holes of a filter medium, and sending the solid particles into a sludge phosphorus pool;
the second step is that: settling the phosphorus sludge, pumping the phosphorus sludge from the phosphorus sludge pool to an inclined plate groove by using a crude phosphorus pump, and adding a proper amount of water into the lower part of the inclined plate groove to prevent the filtered liquid phosphorus from contacting with air and burning;
the third step: cleaning the inclined plate groove, after the phosphorus sludge is settled, pumping out the settled phosphorus sludge through a vacuum pump A at the bottom, injecting water into the inclined plate groove, and pumping out waste liquid through a vacuum pump B, wherein the waste liquid comprises phosphorus sludge impurities and sewage which are not filtered through the inclined plate groove;
the fourth step: removing phosphorus from the waste liquid, feeding the waste liquid into a waste water tank, adding activated carbon particles for adsorption treatment, manually stirring at regular time, and filtering by a filtering membrane to discharge the waste water;
the fifth step: secondary sedimentation, namely conveying the sludge phosphorus pumped by the vacuum pump A into an inclined plate groove for sedimentation through a crude phosphorus pump after the sludge phosphorus is collected;
and a sixth step: refining the crude phosphorus, namely feeding the filtered qualified crude phosphorus into a refining pot for processing, and finally obtaining the qualified phosphorus.
The inclined plate groove in the second step is composed of a rectangular groove, a filter plate device inclined by 45 degrees and a vacuum pump A at the bottom of the groove.
The filter plate device is composed of an upper filter plate, filter cloth and a lower filter plate, wherein the filter cloth is made of nylon or tussah material.
The settling time in the third step is 1 to 3 hours.
And the adding ratio of the activated carbon particles to the waste liquid in the fourth step is 1: 40.
The manual stirring interval time in the fourth step is 30 minutes, a motor and a stirring blade structure are additionally arranged on the wastewater tank, and each stirring is 10 minutes.
The membrane pores of the filtering membrane in the fourth step are 0.4 micron, and the filtering membrane can be used for ultra-precision filtering and is suitable for precision production.
The total adsorption time in the fourth step is not less than 2 hours, so that the phosphorus adsorption quality is ensured.
And the secondary sedimentation time in the fifth step is not more than 1.5 hours, so that the time delay in the sedimentation process is avoided, and the production efficiency is not influenced.
Example 2
A method for in-situ treatment of river sediment phosphorus comprises the following steps:
the first step is as follows: carrying out sludge phosphorus treatment, namely filtering impurities in molten sludge phosphorus hot water, selecting solid particles capable of passing through holes of a filter medium, and sending the solid particles into a sludge phosphorus pool;
the second step is that: settling the phosphorus sludge, pumping the phosphorus sludge from the phosphorus sludge pool to an inclined plate groove by using a crude phosphorus pump, and adding a proper amount of water into the lower part of the inclined plate groove to prevent the filtered liquid phosphorus from contacting with air and burning;
the third step: cleaning the inclined plate groove, after the phosphorus sludge is settled, pumping out the settled phosphorus sludge through a vacuum pump A at the bottom, injecting water into the inclined plate groove, and pumping out waste liquid through a vacuum pump B, wherein the waste liquid comprises phosphorus sludge impurities and sewage which are not filtered through the inclined plate groove;
the fourth step: removing phosphorus from the waste liquid, feeding the waste liquid into a waste water tank, adding activated carbon particles for adsorption treatment, manually stirring at regular time, and filtering by a filtering membrane to discharge the waste water;
the fifth step: secondary sedimentation, namely conveying the sludge phosphorus pumped by the vacuum pump A into an inclined plate groove for sedimentation through a crude phosphorus pump after the sludge phosphorus is collected;
and a sixth step: refining the crude phosphorus, namely feeding the filtered qualified crude phosphorus into a refining pot for processing, and finally obtaining the qualified phosphorus.
The inclined plate groove in the second step is composed of a rectangular groove, a filter plate device inclined by 45 degrees and a vacuum pump A at the bottom of the groove.
The filter plate device is composed of an upper filter plate, filter cloth and a lower filter plate, wherein the filter cloth is made of nylon or tussah material.
The settling time in the third step is 1 to 3 hours.
And the adding ratio of the activated carbon particles to the waste liquid in the fourth step is 1: 40.
The manual stirring interval time in the fourth step is 30 minutes, a motor and a stirring blade structure are additionally arranged on the wastewater tank, and each stirring is 10 minutes.
The membrane pores of the filtering membrane in the fourth step are 0.5 micron, standard filtration can be carried out, and the method is suitable for common production.
The total adsorption time in the fourth step is not less than 2 hours, so that the phosphorus adsorption quality is ensured.
And the secondary sedimentation time in the fifth step is not more than 1.5 hours, so that the time delay in the sedimentation process is avoided, and the production efficiency is not influenced.
Claims (9)
1. A method for in-situ treatment of river sediment phosphorus is characterized by comprising the following steps: the method for treating the river sediment phosphorus comprises the following steps:
the first step is as follows: carrying out sludge phosphorus treatment, namely filtering impurities in molten sludge phosphorus hot water, selecting solid particles capable of passing through holes of a filter medium, and sending the solid particles into a sludge phosphorus pool;
the second step is that: settling the phosphorus sludge, pumping the phosphorus sludge from the phosphorus sludge pool to an inclined plate groove by using a crude phosphorus pump, and adding a proper amount of water into the lower part of the inclined plate groove to prevent the filtered liquid phosphorus from contacting with air and burning;
the third step: cleaning the inclined plate groove, after the phosphorus sludge is settled, pumping out the settled phosphorus sludge through a vacuum pump A at the bottom, injecting water into the inclined plate groove, and pumping out waste liquid through a vacuum pump B, wherein the waste liquid comprises phosphorus sludge impurities and sewage which are not filtered through the inclined plate groove;
the fourth step: removing phosphorus from the waste liquid, feeding the waste liquid into a waste water tank, adding activated carbon particles for adsorption treatment, manually stirring at regular time, and filtering by a filtering membrane to discharge the waste water;
the fifth step: secondary sedimentation, namely conveying the sludge phosphorus pumped by the vacuum pump A into an inclined plate groove for sedimentation through a crude phosphorus pump after the sludge phosphorus is collected;
and a sixth step: refining the crude phosphorus, namely feeding the filtered qualified crude phosphorus into a refining pot for processing, and finally obtaining the qualified phosphorus.
2. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the inclined plate groove in the second step is composed of a rectangular groove, a filter plate device inclined by 45 degrees and a vacuum pump A at the bottom of the groove.
3. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the filter plate device comprises an upper filter plate, filter cloth and a lower filter plate, wherein the filter cloth is made of nylon or tussah material.
4. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the settling time in the third step is 1 to 3 hours.
5. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: and the adding ratio of the activated carbon particles to the waste liquid in the fourth step is 1: 40.
6. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the interval time of the manual stirring in the fourth step is 30 minutes.
7. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the membrane pores of the filter membrane in the fourth step are between 0.4 and 0.6 microns.
8. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the total adsorption time in the fourth step is not less than 2 hours.
9. The method for in-situ treatment of the river sediment phosphorus according to claim 1, which is characterized in that: the secondary settling time in the fifth is not more than 1.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121148.0A CN112979109A (en) | 2021-01-28 | 2021-01-28 | Method for in-situ treatment of river sediment phosphorus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121148.0A CN112979109A (en) | 2021-01-28 | 2021-01-28 | Method for in-situ treatment of river sediment phosphorus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112979109A true CN112979109A (en) | 2021-06-18 |
Family
ID=76345747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110121148.0A Pending CN112979109A (en) | 2021-01-28 | 2021-01-28 | Method for in-situ treatment of river sediment phosphorus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112979109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143090A (en) * | 2023-04-17 | 2023-05-23 | 陕西燎原净化设备有限公司 | Constant-pressure filtration treatment method and treatment device for phosphorus mud |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509256A (en) * | 2001-05-17 | 2004-06-30 | 格伦・斯普林斯控股公司 | Method for removing phosphorus from sludge |
| CN1829810A (en) * | 2003-05-27 | 2006-09-06 | 格伦.斯普林斯控股公司 | A process for reclaiming phosphorus |
| CN102557221A (en) * | 2012-02-15 | 2012-07-11 | 中国科学院地球化学研究所 | Preparation method and application of eutrophic water body sediment phosphor in-situ passivating agent |
| CN103183457A (en) * | 2011-12-27 | 2013-07-03 | 施一飞 | Method for recovering phosphorus in sewage sludge |
| CN104528868A (en) * | 2014-12-31 | 2015-04-22 | 华南师范大学 | Application of magnetic particles in in-situ treatment of eutrophic water and sedimentary phosphate |
| CN106242240A (en) * | 2016-09-08 | 2016-12-21 | 湖北工业大学 | The solid phosphorus one-step method of dehydration of ecological Dredged bed mud |
| CN110054382A (en) * | 2019-04-25 | 2019-07-26 | 中国电建集团华东勘测设计研究院有限公司 | A kind of black and odorous water sludge handling method |
-
2021
- 2021-01-28 CN CN202110121148.0A patent/CN112979109A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509256A (en) * | 2001-05-17 | 2004-06-30 | 格伦・斯普林斯控股公司 | Method for removing phosphorus from sludge |
| CN1829810A (en) * | 2003-05-27 | 2006-09-06 | 格伦.斯普林斯控股公司 | A process for reclaiming phosphorus |
| CN103183457A (en) * | 2011-12-27 | 2013-07-03 | 施一飞 | Method for recovering phosphorus in sewage sludge |
| CN102557221A (en) * | 2012-02-15 | 2012-07-11 | 中国科学院地球化学研究所 | Preparation method and application of eutrophic water body sediment phosphor in-situ passivating agent |
| CN104528868A (en) * | 2014-12-31 | 2015-04-22 | 华南师范大学 | Application of magnetic particles in in-situ treatment of eutrophic water and sedimentary phosphate |
| CN106242240A (en) * | 2016-09-08 | 2016-12-21 | 湖北工业大学 | The solid phosphorus one-step method of dehydration of ecological Dredged bed mud |
| CN110054382A (en) * | 2019-04-25 | 2019-07-26 | 中国电建集团华东勘测设计研究院有限公司 | A kind of black and odorous water sludge handling method |
Non-Patent Citations (1)
| Title |
|---|
| 吴峰等: "《环境化学实验》", 31 August 2014, 武汉大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143090A (en) * | 2023-04-17 | 2023-05-23 | 陕西燎原净化设备有限公司 | Constant-pressure filtration treatment method and treatment device for phosphorus mud |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102285736B (en) | Reverse osmosis pre-treatment method for recycling reclaimed water in electric power plant | |
| CN104118956B (en) | A kind of method of sewage disposal | |
| CN109678280A (en) | A kind of thermal power plant's high-recovery recirculating water blowdown water desalting processing reclaiming system | |
| CN102190393A (en) | Purified water production process with high recovery rate | |
| CN103922518B (en) | Rinse pretreatment process and the system of sewage | |
| CN112979109A (en) | Method for in-situ treatment of river sediment phosphorus | |
| CN204281479U (en) | A kind for the treatment of system of coating wastewater | |
| CN1810662A (en) | Technological process of treating sewage into pure water | |
| CN106116023A (en) | A kind of method of work of Waste Water Treatment | |
| CN1931729A (en) | Process of treating and utilizing acid waste water containing heavy metal | |
| CN214990901U (en) | Process system for treating precipitated white carbon black wastewater | |
| CN101077813A (en) | Method for processing breadboard industrial waste water | |
| CN102249466B (en) | System and method for treating wastewater | |
| CN209778569U (en) | Old garbage landfill leachate treatment system | |
| CN100450941C (en) | Technical methd for treating mine wastewater by using membrane technology | |
| CN103253783B (en) | Fluorine chemical high-fluorine wastewater treatment process and equipment | |
| CN115893732A (en) | Device for synchronously removing conventional pollutants and trace antibiotic pesticides in composite polluted surface water and operation process thereof | |
| CN213966015U (en) | Ultrafiltration direct filtration device suitable for coal mine water treatment | |
| CN209652040U (en) | A kind of thermal power plant's high-recovery recirculating water blowdown water desalting processing reclaiming system | |
| CN210030245U (en) | Sewage treatment device for treating heavy metal ions | |
| CN1221480C (en) | system and method for removing deep micron particle from water | |
| CN207552098U (en) | The device that CO2 puies forward the high yield water rate of recovery is added in a kind of membrane filtration | |
| CN111533307A (en) | Method for treating garbage penetrating fluid | |
| CN107381859A (en) | A kind of copper plating wastewater counter-infiltration recovery and processing system and its method of work | |
| CN109879495A (en) | A kind of water treatment system and method for treating water of surface water |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210618 |