CN112811706A - Sewage treatment method based on heavy medium carrier - Google Patents
Sewage treatment method based on heavy medium carrier Download PDFInfo
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- CN112811706A CN112811706A CN202110010587.4A CN202110010587A CN112811706A CN 112811706 A CN112811706 A CN 112811706A CN 202110010587 A CN202110010587 A CN 202110010587A CN 112811706 A CN112811706 A CN 112811706A
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- heavy
- sewage
- medium carrier
- sewage treatment
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/18—PO4-P
Abstract
The invention discloses a sewage treatment method based on a dense medium carrier and discloses specific treatment steps, which mainly comprises the steps of putting a phosphorus removal agent, dense medium carrier particles and polyacrylamide into sewage, and mechanically stirring uniformly; introducing the treated sewage into a clarification tank for sedimentation, and recovering a heavy medium carrier mixture; the recovery adopts rare earth permanent magnet as recovery medium, and the heavy medium is recovered and used by magnetic force. The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method based on a heavy medium carrier, which improves the efficiency and proportion of sewage flocculation sedimentation through a plurality of heavy medium carrier particles, and submits the flocculation capacity of sewage through the matching addition of polyacrylamide, thereby realizing the technical effect of high-efficiency and high-quality sewage treatment, wherein the phosphorus removal rate is more than 90 percent, and the SS removal rate is more than 90 percent.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method based on a heavy medium carrier.
Background
Since the implementation of the action plan for preventing and treating water pollution ("Ten items in Water") issued in 2015, the emission standard of the existing urban sewage treatment facilities is promoted from the second-level or first-level b standard to the first-level a standard. In recent years, with the promotion of the requirements of human quality and the implementation of green development, the standard improvement and reconstruction of a plurality of sewage treatment plants are required according to the standard of the discharge of quasi-four types of water. Under the new trend and high requirements, the upgrading and the reconstruction of a sewage treatment plant are imperative. The drainage of the existing sewage treatment plant is standardized from a first-grade standard a to a standard four-class standard, so that the requirements on nitrogen and carbon are stricter, and the total phosphorus and SS also need to be further reduced. In order to achieve the higher standards, a transformation route of chemical phosphorus removal and SS reduction is mostly adopted at present, and a sewage treatment method based on a dense medium carrier is born under the background.
In order to improve the treatment effect of total phosphorus and SS of the sewage, the invention provides a high-efficiency sewage treatment method based on a dense medium carrier.
Disclosure of Invention
Aiming at the situation, in order to overcome the current technical defects, the invention provides a high-quality and high-efficiency sewage treatment method based on a heavy medium carrier.
The technical scheme adopted by the invention is as follows: the invention relates to a sewage treatment method based on a heavy medium carrier, which specifically comprises the following steps:
(1) weighing corresponding components as raw materials of the dense medium carrier particles according to the following parts by weight: 40-50 parts of ferroferric oxide, 20-31 parts of hydromica, 15-25 parts of ferrosilicon powder, 15-25 parts of fine iron powder and 10-15 parts of magnetically modified zeolite;
(2) adding a phosphorus removing agent into the sewage, and mechanically stirring and uniformly mixing;
(3) putting the heavy medium carrier particles obtained in the step (1) into sewage, and mechanically stirring uniformly;
(4) adding polyacrylamide into the sewage, and mechanically stirring uniformly;
(5) introducing the treated sewage into a clarification tank for sedimentation, and recovering a heavy medium carrier mixture;
(6) the recovery adopts rare earth permanent magnet as recovery medium, and the heavy medium is recovered and used by magnetic force.
Preferably, the raw material of the heavy medium carrier particles in the step (1) comprises the following components in parts by weight: 45 parts of ferroferric oxide, 25.5 parts of hydromica, 20 parts of ferrosilicon powder, 20 parts of fine iron powder and 12.5 parts of magnetically modified zeolite;
further, the adding amount of the phosphorus removing agent is 20-30 mg/L.
Further, the adding amount of the heavy medium carrier particles is 15-20 mg/L.
Further, the adding amount of the polyacrylamide is 10-15 mg/L.
Further, the specific gravity of the heavy medium carrier particles is more than 4kg/m3。
The invention with the structure has the following beneficial effects: according to the heavy medium carrier-based sewage treatment method, the efficiency and proportion of sewage flocculation and sedimentation are improved through various heavy medium carrier particles, and the flocculation capacity of sewage is submitted through the addition of polyacrylamide in a matching manner, so that the technical effect of high-efficiency high-quality sewage treatment is realized, the phosphorus removal rate is more than 90%, and the SS removal rate is more than 90%.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the sewage treatment method based on the heavy medium carrier specifically comprises the following steps:
(1) weighing corresponding components as raw materials of the dense medium carrier particles according to the following parts by weight: 45 parts of ferroferric oxide, 25.5 parts of hydromica, 20 parts of ferrosilicon powder, 20 parts of fine iron powder and 12.5 parts of magnetically modified zeolite, wherein the specific gravity of heavy medium carrier particles is more than 4kg/m3；
(2) Adding a phosphorus removing agent into the sewage, wherein the adding amount of the phosphorus removing agent is 20-30 mg/L, and mechanically stirring and uniformly mixing;
(3) putting the heavy medium carrier particles obtained in the step (1) into sewage, wherein the putting amount of the heavy medium carrier particles is 15-20 mg/L, and mechanically stirring uniformly;
(4) adding polyacrylamide into the sewage, wherein the adding amount of the polyacrylamide is 10-15 mg/L, and mechanically stirring uniformly;
(5) introducing the treated sewage into a clarification tank for sedimentation, and recovering a heavy medium carrier mixture;
(6) the recovery adopts rare earth permanent magnet as recovery medium, and the heavy medium is recovered and used by magnetic force.
Example 2:
the sewage treatment method based on the heavy medium carrier specifically comprises the following steps:
(1) weighing corresponding components as raw materials of the dense medium carrier particles according to the following parts by weight: 40 parts of ferroferric oxide, 20 parts of hydromica, 15 parts of ferrosilicon powder, 15 parts of fine iron powder and 10 parts of magnetically modified zeolite, wherein the specific gravity of heavy medium carrier particles is more than 4kg/m3；
(2) Adding a phosphorus removing agent into the sewage, wherein the adding amount of the phosphorus removing agent is 20-30 mg/L, and mechanically stirring and uniformly mixing;
(3) putting the heavy medium carrier particles obtained in the step (1) into sewage, wherein the putting amount of the heavy medium carrier particles is 15-20 mg/L, and mechanically stirring uniformly;
(4) adding polyacrylamide into the sewage, wherein the adding amount of the polyacrylamide is 10-15 mg/L, and mechanically stirring uniformly;
(5) introducing the treated sewage into a clarification tank for sedimentation, and recovering a heavy medium carrier mixture;
(6) the recovery adopts rare earth permanent magnet as recovery medium, and the heavy medium is recovered and used by magnetic force.
Example 3:
the sewage treatment method based on the heavy medium carrier specifically comprises the following steps:
(1) weighing corresponding components as raw materials of the dense medium carrier particles according to the following parts by weight: 50 parts of ferroferric oxide, 31 parts of hydromica, 25 parts of ferrosilicon powder, 25 parts of fine iron powder and 15 parts of magnetically modified zeolite, wherein the specific gravity of heavy medium carrier particles is more than 4kg/m3；
(2) Adding a phosphorus removing agent into the sewage, wherein the adding amount of the phosphorus removing agent is 20-30 mg/L, and mechanically stirring and uniformly mixing;
(3) putting the heavy medium carrier particles obtained in the step (1) into sewage, wherein the putting amount of the heavy medium carrier particles is 15-20 mg/L, and mechanically stirring uniformly;
(4) adding polyacrylamide into the sewage, wherein the adding amount of the polyacrylamide is 10-15 mg/L, and mechanically stirring uniformly;
(5) introducing the treated sewage into a clarification tank for sedimentation, and recovering a heavy medium carrier mixture;
(6) the recovery adopts rare earth permanent magnet as recovery medium, and the heavy medium is recovered and used by magnetic force.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The heavy medium carrier-based sewage treatment method is characterized by comprising the following steps:
(1) weighing corresponding components as raw materials of the dense medium carrier particles according to the following parts by weight: 40-50 parts of ferroferric oxide, 20-31 parts of hydromica, 15-25 parts of ferrosilicon powder, 15-25 parts of fine iron powder and 10-15 parts of magnetically modified zeolite;
(2) adding a phosphorus removing agent into the sewage, and mechanically stirring and uniformly mixing;
(3) putting the heavy medium carrier particles obtained in the step (1) into sewage, and mechanically stirring uniformly;
(4) adding polyacrylamide into the sewage, and mechanically stirring uniformly;
(5) introducing the treated sewage into a clarification tank for sedimentation, and recovering a heavy medium carrier mixture;
(6) the recovery adopts rare earth permanent magnet as recovery medium, and the heavy medium is recovered and used by magnetic force.
2. The heavy-media carrier-based sewage treatment method according to claim 1, wherein the heavy-media carrier particle raw material in the step (1) comprises the following components in parts by weight: 45 parts of ferroferric oxide, 25.5 parts of hydromica, 20 parts of ferrosilicon powder, 20 parts of fine iron powder and 12.5 parts of magnetically modified zeolite.
3. The heavy-medium-carrier-based sewage treatment method according to claim 1, wherein the addition amount of the phosphorus removal agent is 20-30 mg/L.
4. The heavy-medium carrier-based sewage treatment method according to claim 1, wherein the dosage of the heavy-medium carrier particles is 15-20 mg/L.
5. The heavy-media carrier-based wastewater treatment method according to claim 1, wherein the heavy-media carrier particles have a specific gravity of more than 4kg/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010587.4A CN112811706A (en) | 2021-01-06 | 2021-01-06 | Sewage treatment method based on heavy medium carrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010587.4A CN112811706A (en) | 2021-01-06 | 2021-01-06 | Sewage treatment method based on heavy medium carrier |
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| CN112811706A true CN112811706A (en) | 2021-05-18 |
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| CN202110010587.4A Pending CN112811706A (en) | 2021-01-06 | 2021-01-06 | Sewage treatment method based on heavy medium carrier |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791534A (en) * | 2010-04-14 | 2010-08-04 | 西南大学 | Phosphorus-removing adsorbent and preparation method thereof |
| CN103521168A (en) * | 2013-10-17 | 2014-01-22 | 湖北富邦科技股份有限公司 | Preparation method and application of magnetic mineral composite material |
| CN104495988A (en) * | 2014-12-02 | 2015-04-08 | 刘达苏 | Production method of spherical iron-carbon micro-electrolysis filler |
| CN105253970A (en) * | 2015-10-20 | 2016-01-20 | 山西柯立沃特环保科技股份有限公司 | Enhanced separation method for treating wastewater with high-content suspended solids |
| CN106186433A (en) * | 2016-08-18 | 2016-12-07 | 北京万邦达环保技术股份有限公司 | A kind of brine waste loads flocculation except hard method |
| US20170225975A1 (en) * | 2012-06-28 | 2017-08-10 | Waterloo Biofilter Systems Inc. | Removal of phosphorus from sewage by electrode metal addition |
| CN107473398A (en) * | 2017-08-08 | 2017-12-15 | 航天凯天环保科技股份有限公司 | A kind of multi-functional denitrogenation dephosphorizing medicament and its preparation method and application |
| CN109867410A (en) * | 2017-12-05 | 2019-06-11 | 湖北开益源环保科技有限公司 | A kind of method of sewage denitrification and dephosphorization |
| CN110606532A (en) * | 2018-06-15 | 2019-12-24 | 淮安正天新材料科技有限公司 | Flocculating agent for sewage treatment and preparation method thereof |
| CN111470575A (en) * | 2019-10-30 | 2020-07-31 | 长沙凯天工研院环保服务有限公司 | Magnetic phosphorus removal agent and preparation method thereof |
| CN111875054A (en) * | 2020-07-07 | 2020-11-03 | 同济大学 | Zeolite-magnetite composite material, preparation method and application method of zeolite-magnetite composite material in biological nitrogen and phosphorus removal |
-
2021
- 2021-01-06 CN CN202110010587.4A patent/CN112811706A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791534A (en) * | 2010-04-14 | 2010-08-04 | 西南大学 | Phosphorus-removing adsorbent and preparation method thereof |
| US20170225975A1 (en) * | 2012-06-28 | 2017-08-10 | Waterloo Biofilter Systems Inc. | Removal of phosphorus from sewage by electrode metal addition |
| CN103521168A (en) * | 2013-10-17 | 2014-01-22 | 湖北富邦科技股份有限公司 | Preparation method and application of magnetic mineral composite material |
| CN104495988A (en) * | 2014-12-02 | 2015-04-08 | 刘达苏 | Production method of spherical iron-carbon micro-electrolysis filler |
| CN105253970A (en) * | 2015-10-20 | 2016-01-20 | 山西柯立沃特环保科技股份有限公司 | Enhanced separation method for treating wastewater with high-content suspended solids |
| CN106186433A (en) * | 2016-08-18 | 2016-12-07 | 北京万邦达环保技术股份有限公司 | A kind of brine waste loads flocculation except hard method |
| CN107473398A (en) * | 2017-08-08 | 2017-12-15 | 航天凯天环保科技股份有限公司 | A kind of multi-functional denitrogenation dephosphorizing medicament and its preparation method and application |
| CN109867410A (en) * | 2017-12-05 | 2019-06-11 | 湖北开益源环保科技有限公司 | A kind of method of sewage denitrification and dephosphorization |
| CN110606532A (en) * | 2018-06-15 | 2019-12-24 | 淮安正天新材料科技有限公司 | Flocculating agent for sewage treatment and preparation method thereof |
| CN111470575A (en) * | 2019-10-30 | 2020-07-31 | 长沙凯天工研院环保服务有限公司 | Magnetic phosphorus removal agent and preparation method thereof |
| CN111875054A (en) * | 2020-07-07 | 2020-11-03 | 同济大学 | Zeolite-magnetite composite material, preparation method and application method of zeolite-magnetite composite material in biological nitrogen and phosphorus removal |
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Application publication date: 20210518 |
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