CN108821281A - A kind of preparation method and sludge carbon based material of sludge carbon based material - Google Patents
A kind of preparation method and sludge carbon based material of sludge carbon based material Download PDFInfo
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- CN108821281A CN108821281A CN201810611721.4A CN201810611721A CN108821281A CN 108821281 A CN108821281 A CN 108821281A CN 201810611721 A CN201810611721 A CN 201810611721A CN 108821281 A CN108821281 A CN 108821281A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
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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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- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
- B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of preparation method of sludge carbon based material and sludge carbon based materials, using heavy metal catalyst method, it is carbon source body using municipal sludge, heavy metal ion in waste water is catalyst, sludge prepares sludge carbon based material by a series of physical and chemical process such as suction filtration, desiccation, carbonization, simple process has industrial application prospect.The present invention is based on the thoughts of " turning waste into wealth, recycling ", not merely with the heavy metal in sludge removal waste water, and sludge carbon based material is prepared using the sludge of absorption heavy metal, the sludge carbon based material has absorption and Fenton catalysis, it can be used in water treatment procedure again, it realizes waste treatment and waste, recycles.
Description
Technical field
The present invention relates to sewage sludges to handle recycling field, more specifically, being related to a kind of system of sludge carbon based material
Preparation Method and sludge carbon based material.
Background technique
With the continuous improvement of china's urbanization, sewage treatment facility builds high speed development.In municipal sewage treatment
Cheng Zhong, sewage are able to qualified discharge by a series of processing, and a large amount of pollutants by enrichment, concentration and be transferred in sludge.It is dirty
Mud is the most important by-product of Sewage Biological Treatment, is also considered as one of the main source for leading to water environment secondary pollution.
Not only water content is high for urban sewage treatment plant sludge, perishable, has strong odor, and contain a large amount of pathogens, parasitic ovum
And the heavy metals such as chromium, mercury, polycyclic aromatic hydrocarbon and radionuclide etc. are difficult to the poisonous and harmful and carcinogen degraded, to ecological ring
There is long-term potential threat in the health of border and the mankind, therefore the pressure of sludge safe disposal is huge.Sludge is unprocessed arbitrarily
It stacks, is acted on by the erosion of rainwater and leakage, secondary pollution easily is caused to underground water, soil etc., directly endangers human body
Health.
Traditional processing method has：It fills, fill out sea, sludge composting and agricultural, sludge incineration, ocean dumping.These processing
Mode often there is occupying a large amount of soil, pollution air and underground water, with people's environmental consciousness enhancing and
The raising of environmental protection standard, traditional Treatment of Sludge mode it is impossible to meet City Green development requirement, excess sludge
Resource utilization is the inevitable choice for solving sludge and hoarding.Although there is some environmentally friendly chemical treatment sludge sides at present
Formula, but it is most of that treated that sludge cannot recycle.Therefore how cycling and reutilization is carried out to such sludge, it is for current
Method for sludge treatment propose new challenge.
Summary of the invention
In view of this, the present invention proposes the preparation method and sludge carbon based material of a kind of sludge carbon based material, sludge is led to
It crosses a series of physical and chemical process and is prepared into sludge carbon based material, the cycling and reutilization to sludge can be completed, prepare ratio
Traditional activated carbon based material strong adsorption and the sludge carbon based material with Fenton catalysis.
The present invention proposes a kind of preparation method of sludge carbon based material, includes the following steps：
1) sludge is mixed with heavy metal wastewater thereby, stirring a period of time, forms mud mixed liquid；
2) by the mud mixed liquid filtration treatment, so that mud-water separation, obtains dewatered sludge；
3) the dewatered sludge is subjected to drying and other treatment, obtains dewatered sludge；
4) dewatered sludge is subjected to high temperature cabonization processing, and the product after high temperature cabonization is ground into sub-sieve, obtain powder
The sludge carbon based material of last shape.
Optionally, in the step 1), heavy metallic salt content is 100~1200mg/L in heavy metal wastewater thereby.
Optionally, in the step 1), the heavy metallic salt that the heavy metallic salt in the heavy metal wastewater thereby is be copper nitrate,
The mixing of nickel nitrate, copper sulphate, nickel sulfate or copper nitrate, nickel nitrate, copper sulphate, two or more in nickel sulfate.
Optionally, in the step 3), the drying and other treatment be dewatered sludge is put into drying unit, and
Heating, drying at 105 DEG C.
Optionally, in the step 4), the high temperature cabonization processing is under the protection of inert gas, by the desiccation
Sludge is roasted.
Optionally, maturing temperature is warming up to the heating rate of 5 DEG C/min when the roasting, the maturing temperature control exists
400 DEG C~800 DEG C, calcining time is continuously 1h.
Optionally, the sludge in the step 1) is that common sludge, digested sludge or common sludge and digested sludge form
Mixing sludge.
The present invention also proposes a kind of sludge carbon based material, and the preparation method by the above-mentioned arbitrary sludge carbon based material is raw
Production obtains.
Compared with prior art, the technical solution of the present invention has the following advantages that：The present invention uses heavy metal catalyst method, benefit
It is carbon source body with municipal sewage plant sludge, the heavy metal ion in waste water is catalyst, passes through filtering, desiccation, carbonization
Physical process etc. some column comes synthetic sludge carbon based material (can also sketch as sludge carbon), simple process, has industrial application
Change prospect.The present invention is based on the thoughts of " turning waste into wealth, recycling ", not merely with the heavy metal in sludge removal waste water, and
The sludge of absorption heavy metal can prepare sludge carbon based material, and the sludge carbon based material has absorption and Fenton catalysis,
It can be used in water treatment procedure, realize waste treatment and waste again, recycle, sewage-sludge-sludge carbon based material-can be formed
Sewage-sludge-sludge carbon based material recycles process.In addition, the present invention uses heavy metallic salt as catalyst, heavy metal
Salt can choose heavy metal sewage sludge from heavy metal wastewater thereby or directly, realize that heavy metal utilizes again, again increase in practice
Salvage value.
Detailed description of the invention
Fig. 1 is the mud of activated sludge, activated sludge absorption copper ion and activated sludge absorption nickel ion in present example 1
The transmission electron microscope picture of cake；
Fig. 2 is the transmission of the sludge carbon of sludge carbon in present example 2, the sludge carbon of copper ion catalysis and nickel ion catalysis
Electron microscope；
Fig. 3 is the sludge carbon specific surface area situation of change of sludge carbon and copper ion catalysis in present example 2；
Fig. 4 is the sludge carbon specific surface area situation of change of sludge carbon and nickel ion catalysis in present example 2；
Fig. 5 is the infrared light of the sludge carbon of sludge in present example 2, the sludge carbon of copper ion catalysis and nickel ion catalysis
Spectrogram.
Fig. 6 is the sludge carbon and H that copper ion catalysis is utilized respectively in present example 32O2, nickel ion catalysis sludge carbon
And H2O2, after the sludge carbon of copper ion catalysis and the sludge carbon of nickel ion catalysis in waste water 17 beta estradiols degradation curve
Specific embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention is not restricted to these
Embodiment.The present invention covers any substitution made in the spirit and scope of the present invention, modification, equivalent method and scheme.
In order to make the public have thorough understanding to the present invention, it is described in detail in the following preferred embodiment of the present invention specific
Details, and the present invention can also be understood completely in description without these details for a person skilled in the art.
The present invention is more specifically described by way of example referring to attached drawing in the following passage.It should be noted that attached drawing is adopted
With more simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating the embodiment of the present invention
Purpose.
The present invention uses heavy metal catalyst method, is carbon source body, copper nitrate and nitric acid using municipal sewage plant sludge
Nickel is as catalyst, by the physical process of some column such as filtering, desiccation, carbonization come synthetic sludge carbon based material.
The present invention proposes a kind of preparation method of sludge carbon based material, includes the following steps：
1) sludge is mixed with heavy metal wastewater thereby, wherein heavy metallic salt content is 100~1200mg/ in heavy metal wastewater thereby
L, forms mud mixed liquid at stirring a period of time；
2) by the mud mixed liquid filtration treatment, so that the mud-water separation in sludge aqueous solution, obtains dewatered dirt
Mud；
3) dewatered sludge is subjected to drying and other treatment：Dewatered sludge is put into drying unit, and at 105 DEG C
Heating, drying obtains dewatered sludge；
4) dewatered sludge is subjected to high temperature cabonization processing, and the product after high temperature cabonization is ground into sub-sieve, formed powdered
Sludge carbon based material.
Wherein, heavy metal wastewater thereby is waste water of the laboratory simulation containing heavy metallic salt in step 1), and wherein heavy metallic salt is nitre
Sour copper, nickel nitrate, copper sulphate, nickel sulfate or its two or more mixture.The present invention is using being rich in sludge
Chelation and sludge wadding body, extracellular polymeric etc., which occur, for the functional groups such as phosphate, carboxyl and heavy metal ion has absorption
The effect of heavy metal in waste water is removed, the heavy metal in waste water is removed.Sludge carbon based material containing heavy metal is passed through into pyrocarbon
Change processing, heavy metal ion facilitate sludge carbon in sludge carbonisation and form more porous structure, to reach material reaming increasing
The purpose of appearance.Heavy metallic salt can derive from heavy metal wastewater thereby in the present invention, realize that heavy metal utilizes again, again increase reality
Middle salvage value.
The high temperature cabonization is handled in step 4), dewatered sludge is placed in tube furnace, and in the protection of inert gas
Under, dewatered sludge is roasted.Temperature is warming up to maturing temperature, the roasting with the heating rate of 5 DEG C/min when the roasting
Temperature control is burnt at 400 DEG C~800 DEG C, and calcining time is continuously 1h.
In addition, sludge in the present invention can for sewage treatment plant common sludge, digested sludge or common sludge and
The mixing sludge of digested sludge composition.
Studies have shown that is mesoporous in liquid phase adsorption in the various pore structures (micropore, mesoporous, macropore) in carbon based material
It played an important role in the process, the porous carbon based material based on mesoporous often has than what traditional poromerics showed
Bigger absorption property.
The traditional sludge activity carbon based material of the sludge carbon based material sludge carbon sill aperture ratio of the method for the present invention preparation
More compare with traditional activated carbon substrates material has meso-hole structure abundant, is conducive to interpore mass transfer effect in adsorption process
It answers, the characteristics of rate of adsorption is fast, large amount of adsorption；Also there is catalysis, catalyzing hydrogen peroxide generates OH free radical, handling
It is acted on when waste water significant.And the sludge carbon based material has highly developed pore structure and great specific surface area, warp
The different pollutant of molecular diameter is capable of handling after crossing after different process is handled.Therefore the sludge carbon based material has good suction
Attached performance, can be used for sewage disposal and the removal of water intoxication evil object can form class since heavy metal has the function of catalytic pyrolysis
Fenton system generates hydroxyl radical free radical, the organic matter that can be used in water removal.
In addition, by adjusting the roasting temperature in the heavy metallic salt type and concentration, carbonization in heavy metal wastewater thereby in the present invention
Degree and carbonization time, may be implemented the regulation to sludge carbon based material hole matter structure, and then influence its adsorptivity.
Of the invention illustrates three experimentations, specific implementation process of the invention is set forth, and in an experiment
The detection of the characteristic of the sludge carbon based material of the present invention of measurement, is illustrated using example 1, example 2 and example 3 individually below.
But the present invention is not limited only to the content that these three embodiments are included.
Example 1：
Laboratory simulation prepares copper ions or nickel ion heavy metal wastewater thereby.In 200rpm/min, time 180min condition
Filter operation is carried out after mixing with sludge agitation down, is measured in the sludge system of reaction front and back using inductivity coupled plasma mass spectrometry
The content of middle copper ion or nickel ion.The results show that heavy metal wastewater thereby mixed with sludge after in system copper ion or nickel ion contain
Amount is 800mg/L, and copper ion and nickel ion content are reduced to 6.660mg/L and 4.326mg/ respectively in filtered fluid after reaction
L, removal efficiency are respectively 99.168% and 99.495%, and the heavy metal ion copper ion and nickel ion being added in system are dirty
Mud effectively adsorbs.As shown in Figure 1, the projection electron microscope after activated sludge absorption copper ion or nickel ion, organic matter shape in sludge
Looks change.
Example 2：
Laboratory simulation prepares copper ion or nickel ion heavy metal wastewater thereby, and waste water is mixed laggard for a period of time with sludge
Row filter operation, so that the mud-water separation in sludge aqueous solution；The dewatered sludge is subjected to drying and other treatment, obtains desiccation
Sludge；The dewatered sludge is subjected to high temperature cabonization processing, and the product after high temperature cabonization is ground into sub-sieve, is obtained powdered
Sludge carbon based material；Concrete operations are identical with foregoing teachings.The sludge carbon based material projection of copper ion and nickel ion catalysis preparation
Electron microscope pattern is as shown in Fig. 2, the heavy metal activity sludge by carbonization forms porous charcoal Base Metal functional material.Measure it
Specific surface area such as Fig. 3 and Fig. 4, using copper ion and the sludge carbon based material specific surface area of nickel ion catalysis preparation by former mud
23.331m2/ g and 24.925m2/ g increases to 82.789m2/ g and 73.520m2/g.It is urged using heavy metal copper ion or nickel ion
Change sludge and prepares the infrared spectrogram of sludge carbon based material as shown in figure 5, the sludge carbon based material functional group of preparation disappears or peak
Value weakens, and heavy metal ion makes sludge function change.Preparing sludge carbon based material using heavy metal ion catalysis sludge has
The aperture for helping increase Carbon Materials, enhances the adsorption function of carbon based material.
Example 3：
It is 5.116mg/L waste water, the sludge prepared using method in example 2 that 17 beta estradiol contents are prepared in laboratory simulation
Carbon based material carries out the removal experiment of organic matter.It is 5.116mg/L waste water that 17 beta estradiol contents are prepared in laboratory simulation, is such as schemed
Shown in 6, after reacting 180min, 17 beta estradiols, 173- estradiol difference are adsorbed using the carbon based material of copper (nickel) ion preparation
It is reduced to 2.471mg/L and 2.355mg/L.The sludge carbon and H being catalyzed using copper ion2O2When mass ratio is 1/3, female hormone
Be degraded to 0.396mg/L；The sludge carbon and H being catalyzed using nickel ion2O2Female hormone degradation rate reaches when mass ratio is 1/9
1.006mg/L, carbon based material 100mg/L.The carbon based material and H of copper (nickel) ionic catalysis preparation2O2It is bright to remove 17 beta estradiols
The aobvious exclusive use better than sludge carbon based material, while illustrating that the sludge carbon based material of copper (nickel) ionic catalysis preparation can be catalyzed
H2O2Remove Pollutants in Wastewater.
Contain more carbon in sludge, can be made into acticarbon after carbonization, the processing of organic wastewater can be acted on,
Heavy metal can be chelated rich in functional groups such as phosphate, carboxyls in sludge simultaneously, more porous structure is formed, to reach material
The purpose of reaming increase-volume.Therefore preparing active carbon using sludge has huge potentiality, shale active carbon can replace Commercial active
Charcoal saves timber, and the raw materials such as coal reduce cost, while being also able to solve asking for the sludge pollution that sewage treatment plant becomes increasingly conspicuous
Topic realizes recycling, innoxious, the minimizing disposition principle of solid waste.The present invention uses heavy metal catalyst method, utilizes municipal administration
Dirty or water treatment plant's sludge is carbon source body, and the heavy metal in waste water is catalyst, passes through some column such as filtering, desiccation, carbonization
Physical process carry out synthetic sludge carbon based material, simple process has industrial application prospect.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (8)
1. a kind of preparation method of sludge carbon based material, which is characterized in that include the following steps：
1) sludge is mixed with heavy metal wastewater thereby, stirring a period of time, forms mud mixed liquid；
2) by the mud mixed liquid filtration treatment, so that mud-water separation, obtains dewatered sludge；
3) the dewatered sludge is subjected to drying and other treatment, obtains dewatered sludge；
4) dewatered sludge is subjected to high temperature cabonization processing, and the product after high temperature cabonization is ground into sub-sieve, obtained powdered
Sludge carbon based material.
2. the preparation method of sludge carbon based material according to claim 1, it is characterised in that：It is described in the step 1)
Heavy metallic salt content is 100~1200mg/L in heavy metal wastewater thereby.
3. the preparation method of sludge carbon based material according to claim 1, it is characterised in that：It is described in the step 1)
Heavy metallic salt in heavy metal wastewater thereby is copper nitrate, nickel nitrate, copper sulphate, nickel sulfate or copper nitrate, nickel nitrate, copper sulphate, sulphur
The mixing of two or more in sour nickel.
4. the preparation method of sludge carbon based material according to claim 1, it is characterised in that：It is described in the step 3)
Drying and other treatment be that dewatered sludge is put into drying unit, and the heating, drying at 105 DEG C.
5. the preparation method of sludge carbon based material according to claim 1, it is characterised in that：It is described in the step 4)
High temperature cabonization processing under the protection of inert gas, the dewatered sludge is roasted.
6. the preparation method of sludge carbon based material according to claim 5, it is characterised in that：When the roasting with 5 DEG C/
The heating rate of min is warming up to maturing temperature, and at 400 DEG C~800 DEG C, calcining time is continuously 1h for the maturing temperature control.
7. the preparation method of sludge carbon based material according to claim 1, it is characterised in that：Sludge in the step 1)
The mixing sludge formed for common sludge, digested sludge or common sludge and digested sludge.
8. a kind of sludge carbon based material, it is characterised in that：The system of the sludge carbon based material as described in claim 1-7 any one
Preparation Method produces to obtain.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364879A (en) * | 2018-12-14 | 2019-02-22 | 北京工业大学 | The method that support type sludge based biomass charcoal removes Cu (II) in sludge |
| CN110092559A (en) * | 2019-04-10 | 2019-08-06 | 浙江清风源环保科技有限公司 | A kind of processing method of sludge containing heavy metal |
| CN113880386A (en) * | 2021-10-09 | 2022-01-04 | 南京大学 | Preparation method of sludge biomass charcoal based on composite extracellular polymer |
| CN115554981A (en) * | 2022-10-18 | 2023-01-03 | 江西理工大学 | Method for adsorbing and enriching low-concentration ionic rare earth by adopting residual sludge carbonized product |
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| JP3397304B2 (en) * | 1999-08-09 | 2003-04-14 | 川崎重工業株式会社 | Sewage treatment method using sludge carbonization system |
| CN104399500A (en) * | 2014-10-15 | 2015-03-11 | 同济大学 | Sludge iron-supported multiphase photo-Fenton catalytic material and preparation method thereof |
| CN107129818A (en) * | 2017-06-21 | 2017-09-05 | 华中科技大学 | A kind of integrated conduct method of solid waste and nickel-plating waste water |
| CN107285600A (en) * | 2017-08-10 | 2017-10-24 | 中冶节能环保有限责任公司 | A kind of method that catalyst prepared using industrial and mineral solid waste carries out pyrolyzing sludge preparing active carbon |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3397304B2 (en) * | 1999-08-09 | 2003-04-14 | 川崎重工業株式会社 | Sewage treatment method using sludge carbonization system |
| CN104399500A (en) * | 2014-10-15 | 2015-03-11 | 同济大学 | Sludge iron-supported multiphase photo-Fenton catalytic material and preparation method thereof |
| CN107129818A (en) * | 2017-06-21 | 2017-09-05 | 华中科技大学 | A kind of integrated conduct method of solid waste and nickel-plating waste water |
| CN107285600A (en) * | 2017-08-10 | 2017-10-24 | 中冶节能环保有限责任公司 | A kind of method that catalyst prepared using industrial and mineral solid waste carries out pyrolyzing sludge preparing active carbon |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364879A (en) * | 2018-12-14 | 2019-02-22 | 北京工业大学 | The method that support type sludge based biomass charcoal removes Cu (II) in sludge |
| CN110092559A (en) * | 2019-04-10 | 2019-08-06 | 浙江清风源环保科技有限公司 | A kind of processing method of sludge containing heavy metal |
| CN113880386A (en) * | 2021-10-09 | 2022-01-04 | 南京大学 | Preparation method of sludge biomass charcoal based on composite extracellular polymer |
| CN113880386B (en) * | 2021-10-09 | 2022-07-12 | 南京大学 | Preparation method of sludge biomass charcoal based on composite extracellular polymer |
| CN115554981A (en) * | 2022-10-18 | 2023-01-03 | 江西理工大学 | Method for adsorbing and enriching low-concentration ionic rare earth by adopting residual sludge carbonized product |
| CN115554981B (en) * | 2022-10-18 | 2024-01-26 | 江西理工大学 | Method for adsorbing and enriching low-concentration rare earth ions by using excess sludge carbonized product |
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Inventor after: Yu Hongbo Inventor after: Yang Zhaoyi Inventor after: Li Dandan Inventor after: Ai Jing Inventor before: Yu Hongbo Inventor before: Zhang Weijun Inventor before: Yang Zhaoyi Inventor before: Li Dandan Inventor before: Ai Jing |
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Application publication date: 20181116 |