CN106390938A - Manganese-dioxide-modified sludge activated carbon with abundant phosphorus accumulating bacteria and method for preparing manganese-dioxide-modified sludge activated carbon - Google Patents
Manganese-dioxide-modified sludge activated carbon with abundant phosphorus accumulating bacteria and method for preparing manganese-dioxide-modified sludge activated carbon Download PDFInfo
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
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- C02F2101/105—Phosphorus compounds
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Abstract
The invention provides manganese-dioxide-modified sludge activated carbon with abundant phosphorus accumulating bacteria and a method for preparing the manganese-dioxide-modified sludge activated carbon. The method includes steps of adding flocculating agents into wet sludge, sufficiently stirring the flocculating agents and the wet sludge and concentrating and dewatering the wet sludge to obtain flocculent seed sludge; placing the flocculent seed sludge in a reactor, operating the reactor by the aid of acetic acid and propanoic acid which are alternately used as carbon sources, taking the flocculent seed sludge out of the reactor and grinding and sieving the flocculent seed sludge to obtain sludge activated carbon with the abundant phosphorus accumulating bacteria; grinding the flocculent seed sludge to obtain sludge powder, adding soft manganese ore powder into the sludge powder, uniformly mixing the sludge powder and the soft manganese ore powder with each other to obtain mixed powder, adding zinc chloride composite activators into the mixed powder, uniformly stirring the mixed powder and the zinc chloride composite activators to obtain mixtures, ultrasonically treating the mixtures, carrying out heating activation treatment on the mixtures, firing and carbonizing the mixtures at the high temperatures, cooling the mixtures, washing the mixtures until the mixtures are neutral and drying, grinding and sieving the mixtures to obtain manganese-dioxide-modified sludge activated carbon; uniformly mixing the sludge activated carbon with the abundant phosphorus accumulating bacteria and the manganese-dioxide-modified sludge activated carbon with each other to obtain the manganese-dioxide-modified sludge activated carbon with the abundant phosphorus accumulating bacteria. The manganese-dioxide-modified sludge activated carbon with the abundant phosphorus accumulating bacteria and the method have the advantages that the method is simple.
Description
Technical field
The invention belongs to active sludge carbon field of material technology is and in particular to a kind of manganese dioxide rich in polyP bacteria is modified
Active sludge carbon and preparation method thereof.
Background technology
With science and technology and industrial developing rapidly, while the life giving people offers convenience, also create a large amount of
Waste water, the unreasonable discharge of waste water can cause huge harm to water body environment.Body eutrophication in water body environment harm
Particularly problematic, body eutrophication refers to that the nutrient substance such as nitrogen phosphorus etc. in water is excessive, species in hair quality aquatic ecosystem
It is distributed unbalance, the excessive vegetative growth such as single species such as algae, destroy the material of system and the flowing of ability, lead to water quality to lose
Function of water body, should not have impact on the daily water safety of people, more have serious negative effect to economic and society development.
Activated carbon adsorption is the method for green high-efficient the most in adsorption method, and activated carbon can adsorb various poisonous in waste water
Harmful substance, purification efficiency is high, be not produced as this pollution, and operating flexibility is big, but the activated carbon price of current elite waste water
Of a relatively high, and low to the adsorption capacity of phosphorus, and absorption property is unstable, there is also regeneration difficulty etc. and determines.Therefore, by mud
Activated carbon technical ability as raw material preparation solves the problems, such as the subsequent treatment of municipal sewage plant excess sludge, and band can reduce activity
The production cost of charcoal, and the modified aspect based on active sludge carbon is also more.Nitre disclosed in Chinese patent CN 102958084B
The preparation method of sour nickel modified sewage sludge absorbent charcoal, the dewatered sludge granule that wet mud drying and screening is obtained, then through high-temperature tubular
Stove carbonization obtains sludge carbon material, and, the stirring modified with nickel nitrate through the modified dipping of concentrated nitric acid of sludge carbon material is dried, plus
Thermal activation treatment, cooling obtains nickel nitrate modified sewage sludge absorbent charcoal, and this sludge activity peptide has preferable detachability to element sulphur.In
A kind of preparation of aerobic nitrifying granular activated sludge acticarbon and application disclosed in state patent CN 104289180B, will be aerobic
Nitrifying granular activated sludge drying and grinding is sieved and is obtained dewatered sludge powder, dewatered sludge is sealed evil spirit zinc chloride activation, puts in tube furnace,
Carbonization under nitrogen effect, cooling, wash to neutrality, dry, obtain aerobic nitrifying granular activated sludge activated carbon, this active sludge carbon
There is good clearance to the dye of positive ion in water.From above-mentioned prior art, by can to the modification of active sludge carbon
To improve the adsorption selectivity of active sludge carbon.Applicant of the present invention passes through polyP bacteria and manganese dioxide to sludge activity
Charcoal is modified, and improves the absorbability to P elements for the active sludge carbon, makes every effort to match from biological and physics aspect, comprehensively removes
Phosphorus.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria, should
Active sludge carbon includes pyrolusite and the active sludge carbon rich in polyP bacteria, using floc sludge as kind of a mud, through acetic acid and propanoic acid
Alternately as charcoal source, reactor runs the active sludge carbon preparing rich in polyP bacteria, then firm floc sludge drying and crushing
Mix with pyrolusite powder afterwards, through the activation of zinc chloride composite activating agent, then obtain manganese dioxide modified sewage sludge absorbent charcoal through carbonization,
Will be enriched in the active sludge carbon of polyP bacteria and manganese dioxide modified sewage sludge absorbent charcoal is mixed to get product.Preparation method letter of the present invention
Single, from biological and physics aspect synthesis dephosphorization, phosphor-removing effect is notable for the active sludge carbon of preparation.
For solving above-mentioned technical problem, the technical scheme is that：
A kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria, the described manganese dioxide rich in polyP bacteria is modified dirty
Mud activated carbon includes pyrolusite and the active sludge carbon rich in polyP bacteria, and the main component of described pyrolusite is manganese dioxide, institute
State the wet mud that active sludge carbon rich in polyP bacteria is sewage treatment plant to be formed through inoculation preparation, described rich in polyP bacteria two
In manganese oxide modified sewage sludge absorbent charcoal, the mass percent of pyrolusite is 0.1-5%.
Preferred as technique scheme, the described content rich in polyP bacteria in the active sludge carbon of polyP bacteria is 65-
75%.
The present invention also provides a kind of preparation method of the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria, including following
Step：
(1) add flocculant in the wet mud of the sewage treatment plant for 80-90% by moisture content, be sufficiently stirred for, be placed in stream
Change bed thickening and obtain floc sludge kind mud；
(2) floc sludge kind mud prepared by step (1) is placed in reactor, using acetic acid and propanoic acid alternately as charcoal
Source, runs, and takes out, and grinds screening, obtains the active sludge carbon rich in polyP bacteria；
(3) floc sludge kind mud prepared by step (1) is ground to form sewage sludge powder, add pyrolusite powder, mix homogeneously,
Add zinc chloride composite activating agent, stir, supersound process, heat-activated is processed, high temperature sintering carbonization, cooling, is washed to
Neutrality, drying and grinding is sieved, and obtains manganese dioxide modified sewage sludge absorbent charcoal；
(4) the modified dirt of manganese dioxide that the active sludge carbon rich in polyP bacteria prepared by step (2) is prepared with step (3)
Mud activated carbon mix homogeneously, obtains the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
Preferred as technique scheme, in described step (1), the moisture content of floc sludge kind mud is 10-25%.
Preferred as technique scheme, in described step (2), the particle diameter of the active sludge carbon rich in polyP bacteria is
0.5-1mm, the content rich in polyP bacteria in the active sludge carbon of polyP bacteria is 65-75%.
Preferred as technique scheme, in described step (3), the particle diameter of sewage sludge powder is 150-250 mesh.
Preferred as technique scheme, in described step (3), zinc chloride composite activating agent includes zinc chloride, dilute
Sulphuric acid and water, chlorination zinc concentration is 1-6mol/L, and the mass fraction of dilute sulfuric acid is 20-30%.
Preferred as technique scheme, in described step (3), ultrasonic frequency is 15-25KHz, and the time is 1-2h.
Preferred as technique scheme, in described step (3), the temperature that heat-activated is processed is 80-130 DEG C, when
Between be 24-36h, the temperature of high temperature sintering carbonization is 450-650 DEG C, and the time is 1-3h.
Preferred as technique scheme, in described step (4), the active sludge carbon rich in polyP bacteria and manganese dioxide
The mass ratio of modified sewage sludge absorbent charcoal is 1:0.8-1.5.
Compared with prior art, the invention has the advantages that：
(1) the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria of present invention preparation includes the modified dirt of manganese dioxide
The porosity of mud activated carbon, wherein pyrolusite is high, and surface has obvious accordion-like projection, and specific surface area is big, therefore can provide
Activated adoption point position many, can effectively realize sewage dephosphorization, phosphor-removing effect is good, the present invention preparation rich in polyP bacteria two
The active sludge carbon rich in polyP bacteria is also included, wherein polyP bacteria can absorb in water in a large number in manganese oxide modified sewage sludge absorbent charcoal
The phosphate of dissolving, the substantial amounts of phosphate absorbing is reached sewage by presented in long-chain polyphosphate particle in intracellular
The purpose of middle dephosphorization.Additionally, polyP bacteria also can be transferred in the hole of pyrolusite, improve the phosphor-removing effect of pyrolusite further,
The active sludge carbon of therefore present invention preparation carries out dephosphorization in terms of biology and physics two, and phosphor-removing effect is highly profitable, and can
Control property is strong.
(2) the raw material sewage treatment plant of the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria of present invention preparation
Waste sludge, wide material sources, rich reserves, cheap, green economy, there is very strong market application foreground.
(3) the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria of present invention preparation and common active sludge carbon phase
Than, the clearance of phosphorus is very high, and the long duration of action of activated carbon is stable, and adsorption capacity is big, and the good stability in water body, no
The secondary pollution of water body can be caused.
Specific embodiment
To describe the present invention, the illustrative examples of the here present invention and explanation below in conjunction with specific embodiment in detail
It is used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1：
(1) add flocculant in the wet mud of the sewage treatment plant being 80% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains the floc sludge kind mud that moisture content is 10%.
(2) floc sludge kind mud is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, runs, take out, grind
Mill screening, obtains the active sludge carbon rich in polyP bacteria, and the particle diameter being wherein rich in the active sludge carbon of polyP bacteria is 0.5mm, rich
In active sludge carbon containing polyP bacteria, the content of polyP bacteria is 65%.
(3) floc sludge kind mud is ground to form the sewage sludge powder of 150 mesh, add pyrolusite powder, mix homogeneously, add chlorine
Change zinc composite activating agent, wherein zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
1mol/L, the mass fraction of dilute sulfuric acid is 20%, stirs, supersound process 1h under 15KHz, at heat-activated at 80 DEG C
Reason 24h, high temperature sintering carbonization 1h at 450 DEG C, cooling, it is washed to neutrality, drying and grinding is sieved, obtain manganese dioxide modified dirty
The mass percent of mud activated carbon, wherein pyrolusite is 0.1%.
(4) mass ratio is 1:0.8, the active sludge carbon that will be enriched in polyP bacteria is mixed with manganese dioxide modified sewage sludge absorbent charcoal
Uniformly, obtain the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
Embodiment 2：
(1) add flocculant in the wet mud of the sewage treatment plant being 90% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains the floc sludge kind mud that moisture content is 25%.
(2) floc sludge kind mud is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, runs, take out, grind
Mill screening, obtains the active sludge carbon rich in polyP bacteria, and the particle diameter being wherein rich in the active sludge carbon of polyP bacteria is 1mm, is rich in
In the active sludge carbon of polyP bacteria, the content of polyP bacteria is 75%.
(3) floc sludge kind mud is ground to form the sewage sludge powder of 250 mesh, add pyrolusite powder, mix homogeneously, add chlorine
Change zinc composite activating agent, wherein zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
6mol/L, the mass fraction of dilute sulfuric acid is 30%, stirs, supersound process 2h under 25KHz, heat-activated at 130 DEG C
Process 36h, high temperature sintering carbonization 3h at 650 DEG C, cooling, be washed to neutrality, drying and grinding is sieved, obtain manganese dioxide modified
The mass percent of active sludge carbon, wherein pyrolusite is 5%.
(4) mass ratio is 1:1.5, the active sludge carbon that will be enriched in polyP bacteria is mixed with manganese dioxide modified sewage sludge absorbent charcoal
Uniformly, obtain the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
Embodiment 3：
(1) add flocculant in the wet mud of the sewage treatment plant being 85% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains the floc sludge kind mud that moisture content is 15%.
(2) floc sludge kind mud is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, runs, take out, grind
Mill screening, obtains the active sludge carbon rich in polyP bacteria, and the particle diameter being wherein rich in the active sludge carbon of polyP bacteria is 0.8mm, rich
In active sludge carbon containing polyP bacteria, the content of polyP bacteria is 70%.
(3) floc sludge kind mud is ground to form the sewage sludge powder of 200 mesh, add pyrolusite powder, mix homogeneously, add chlorine
Change zinc composite activating agent, wherein zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
4mol/L, the mass fraction of dilute sulfuric acid is 25%, stirs, supersound process 1.5h under 20KHz, and heating at 100 DEG C is lived
Change and process 30h, high temperature sintering carbonization 2h at 500 DEG C, cooling, it is washed to neutrality, drying and grinding is sieved, and obtains manganese dioxide and changes
Property active sludge carbon, wherein the mass percent of pyrolusite be 2%.
(4) mass ratio is 1:1, the active sludge carbon that will be enriched in polyP bacteria is mixed all with manganese dioxide modified sewage sludge absorbent charcoal
Even, obtain the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
Embodiment 4：
(1) add flocculant in the wet mud of the sewage treatment plant being 82% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains the floc sludge kind mud that moisture content is 18%.
(2) floc sludge kind mud is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, runs, take out, grind
Mill screening, obtains the active sludge carbon rich in polyP bacteria, and the particle diameter being wherein rich in the active sludge carbon of polyP bacteria is 0.9mm, rich
In active sludge carbon containing polyP bacteria, the content of polyP bacteria is 72%.
(3) floc sludge kind mud is ground to form the sewage sludge powder of 180 mesh, add pyrolusite powder, mix homogeneously, add chlorine
Change zinc composite activating agent, wherein zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
4mol/L, the mass fraction of dilute sulfuric acid is 23%, stirs, supersound process 1.4h under 18KHz, and heating at 110 DEG C is lived
Change and process 32h, high temperature sintering carbonization 2.5h at 500 DEG C, cooling, it is washed to neutrality, drying and grinding is sieved, and obtains manganese dioxide
The mass percent of modified sewage sludge absorbent charcoal, wherein pyrolusite is 2.5%.
(4) mass ratio is 1:1.3, the active sludge carbon that will be enriched in polyP bacteria is mixed with manganese dioxide modified sewage sludge absorbent charcoal
Uniformly, obtain the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
Embodiment 5：
(1) add flocculant in the wet mud of the sewage treatment plant being 90% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains the floc sludge kind mud that moisture content is 20%.
(2) floc sludge kind mud is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, runs, take out, grind
Mill screening, obtains the active sludge carbon rich in polyP bacteria, and the particle diameter being wherein rich in the active sludge carbon of polyP bacteria is 0.7mm, rich
In active sludge carbon containing polyP bacteria, the content of polyP bacteria is 69%.
(3) floc sludge kind mud is ground to form the sewage sludge powder of 200 mesh, add pyrolusite powder, mix homogeneously, add chlorine
Change zinc composite activating agent, wherein zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
2mol/L, the mass fraction of dilute sulfuric acid is 23%, stirs, supersound process 1h under 18KHz, heat-activated at 100 DEG C
Process 36h, high temperature sintering carbonization 3h at 600 DEG C, cooling, be washed to neutrality, drying and grinding is sieved, obtain manganese dioxide modified
The mass percent of active sludge carbon, wherein pyrolusite is 3.5%.
(4) mass ratio is 1:1.2, the active sludge carbon that will be enriched in polyP bacteria is mixed with manganese dioxide modified sewage sludge absorbent charcoal
Uniformly, obtain the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
Embodiment 6：
(1) add flocculant in the wet mud of the sewage treatment plant being 90% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains the floc sludge kind mud that moisture content is 20%.
(2) floc sludge kind mud is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, runs, take out, grind
Mill screening, obtains the active sludge carbon rich in polyP bacteria, and the particle diameter being wherein rich in the active sludge carbon of polyP bacteria is 0.9mm, rich
In active sludge carbon containing polyP bacteria, the content of polyP bacteria is 73%.
(3) floc sludge kind mud is ground to form the sewage sludge powder of 200 mesh, add pyrolusite powder, mix homogeneously, add chlorine
Change zinc composite activating agent, wherein zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
5mol/L, the mass fraction of dilute sulfuric acid is 25%, stirs, supersound process 15h under 525KHz, and heating at 5130 DEG C is lived
Change and process 245h, high temperature sintering carbonization 15h at 5650 DEG C, cooling, it is washed to neutrality, drying and grinding is sieved, and obtains titanium dioxide
The mass percent of manganese modified sewage sludge absorbent charcoal, wherein pyrolusite is 3.5%.
(4) mass ratio is 1:1.5, the active sludge carbon that will be enriched in polyP bacteria is mixed with manganese dioxide modified sewage sludge absorbent charcoal
Uniformly, obtain the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
After testing, the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria of embodiment 1-6 preparation and unmodified dirt
Mud activated carbon, manganese dioxide modified sewage sludge absorbent charcoal and the active sludge carbon rich in polyP bacteria go division result as follows the phosphorus solution
Shown：
As seen from the above table, the clearance to phosphorus for the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria of present invention preparation
Very good, it is much better than unmodified active sludge carbon, the dirt also above manganese dioxide modified sewage sludge absorbent charcoal with rich in polyP bacteria
Mud activated carbon.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any ripe
The personage knowing this technology all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
All equivalent modifications becoming or change, must be covered by the claim of the present invention.
Claims (10)
1. a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria it is characterised in that：The described dioxy rich in polyP bacteria
Change manganese modified sewage sludge absorbent charcoal and include pyrolusite and the active sludge carbon rich in polyP bacteria, the main component of described pyrolusite is two
Manganese oxide, the described active sludge carbon rich in polyP bacteria is that the wet mud of sewage treatment plant is formed through inoculation preparation, described is rich in
In the manganese dioxide modified sewage sludge absorbent charcoal of polyP bacteria, the mass percent of pyrolusite is 0.1-5%.
2. a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 1 it is characterised in that：Institute
Stating the content rich in polyP bacteria in the active sludge carbon of polyP bacteria is 65-75%.
3. a kind of preparation method of the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria is it is characterised in that include following walking
Suddenly：
(1) add flocculant in the wet mud of the sewage treatment plant for 80-90% by moisture content, be sufficiently stirred for, be placed in fluid bed
Thickening obtains floc sludge kind mud；
(2) floc sludge kind mud prepared by step (1) is placed in reactor, using acetic acid and propanoic acid alternately as charcoal source, transports
OK, take out, grind screening, obtain the active sludge carbon rich in polyP bacteria；
(3) floc sludge kind mud prepared by step (1) is ground to form sewage sludge powder, add pyrolusite powder, mix homogeneously, add
Zinc chloride composite activating agent, stirs, supersound process, and heat-activated is processed, high temperature sintering carbonization, and cooling is washed to neutrality,
Drying and grinding is sieved, and obtains manganese dioxide modified sewage sludge absorbent charcoal；
(4) the manganese dioxide modified sewage sludge being prepared the active sludge carbon rich in polyP bacteria prepared by step (2) with step (3) is lived
Property charcoal mix homogeneously, obtains the manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria.
4. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (1), the moisture content of floc sludge kind mud is 10-25%.
5. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (2), the particle diameter of the active sludge carbon rich in polyP bacteria is 0.5-1mm, the mud rich in polyP bacteria
In activated carbon, the content of polyP bacteria is 65-75%.
6. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (3), the particle diameter of sewage sludge powder is 150-250 mesh.
7. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (3), zinc chloride composite activating agent includes zinc chloride, dilute sulfuric acid and water, and chlorination zinc concentration is
1-6mol/L, the mass fraction of dilute sulfuric acid is 20-30%.
8. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (3), ultrasonic frequency is 15-25KHz, and the time is 1-2h.
9. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (3), the temperature that heat-activated is processed is 80-130 DEG C, and the time is 24-36h, high temperature sintering carbonization
Temperature be 450-650 DEG C, the time be 1-3h.
10. the preparation method of a kind of manganese dioxide modified sewage sludge absorbent charcoal rich in polyP bacteria according to claim 3, its
It is characterised by：In described step (4), the mass ratio of active sludge carbon rich in polyP bacteria and manganese dioxide modified sewage sludge absorbent charcoal
For 1:0.8-1.5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934957A (en) * | 2017-10-17 | 2018-04-20 | 上海市政工程设计研究总院（集团）有限公司 | One kind shaping active sludge carbon preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948177A (en) * | 2010-10-13 | 2011-01-19 | 武汉大学 | Method for enriching denitrifying phosphorus removal bacteria in continuous flow reactor |
| CN201942563U (en) * | 2010-12-23 | 2011-08-24 | 同济大学 | Phosphate accumulating organisms (PAO) enrichment equipment |
| CN103920478A (en) * | 2013-01-16 | 2014-07-16 | 徐成琦 | Process for preparation of adsorbent from sludge |
| CN105693042A (en) * | 2015-05-20 | 2016-06-22 | 余素萍 | Method for treating phosphorus-containing sewage |
-
2016
- 2016-09-30 CN CN201610871956.8A patent/CN106390938A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948177A (en) * | 2010-10-13 | 2011-01-19 | 武汉大学 | Method for enriching denitrifying phosphorus removal bacteria in continuous flow reactor |
| CN201942563U (en) * | 2010-12-23 | 2011-08-24 | 同济大学 | Phosphate accumulating organisms (PAO) enrichment equipment |
| CN103920478A (en) * | 2013-01-16 | 2014-07-16 | 徐成琦 | Process for preparation of adsorbent from sludge |
| CN105693042A (en) * | 2015-05-20 | 2016-06-22 | 余素萍 | Method for treating phosphorus-containing sewage |
Non-Patent Citations (2)
| Title |
|---|
| 汪莉 等: "软锰矿改性污泥活性炭对Cu2+吸附特性的研究", 《环境科学与技术》 * |
| 羊依金 等: "软锰矿改性城市污泥基活性炭处理含铜废水的试验", 《煤炭学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934957A (en) * | 2017-10-17 | 2018-04-20 | 上海市政工程设计研究总院（集团）有限公司 | One kind shaping active sludge carbon preparation method |
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