CN110304720A - A kind of electron mediator type bio-carrier for anaerobic biochemical treatment - Google Patents
A kind of electron mediator type bio-carrier for anaerobic biochemical treatment Download PDFInfo
- Publication number
- CN110304720A CN110304720A CN201910521430.0A CN201910521430A CN110304720A CN 110304720 A CN110304720 A CN 110304720A CN 201910521430 A CN201910521430 A CN 201910521430A CN 110304720 A CN110304720 A CN 110304720A
- Authority
- CN
- China
- Prior art keywords
- carrier
- electron mediator
- mediator type
- type bio
- bio
- 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.)
- Granted
Links
Classifications
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Abstract
The invention discloses a kind of electron mediator type bio-carrier for anaerobic biochemical treatment, electron mediator type bio-carrier is mainly used for electron transfer process between reinforced anaerobic microbial species.The present invention is with the carbon material of the conductive energy of certain mass ratio, such as graphite, graphene, active carbon, carbon fiber etc. are used as modified function material, that is electron transfer mediator, using high molecular materials such as polyethylene, polypropylene, polyvinyl chloride as base-material, by way of blending extrusion, to prepare electron mediator type bio-carrier.Electron mediator type bio-carrier of the invention can reinforced anaerobic biochemical treatment process, enhanced sewage treatment effect, improve methane production.
Description
Technical field
The present invention relates to a kind of for anaerobic biochemical treatment life, industrial, agricultural effluent bio-carrier, life of the invention
Object carrier can promote anaerobe inter-species direct electron transfer, be suitable for anaerobic bio-treated.
Background technique
Anaerobic Microbiological Treatment Technology has become the important biologic treating technique of one kind and is used to handle debirs and waste water,
This technology not only can produce energy substance (hydrogen or methane), it may have sludge yield is low, low energy consumption, organic loading height etc.
Advantage is widely used in the processing of industrial wastewater and sanitary wastewater.
Anaerobic organism membrane process and its combination process with activated sludge process, compared with traditional anaerobic activated sludge technique,
Big with dominant bacteria abundance, sludge age is long, and the advantages such as high treating effect are more and more applied in the processing of organic wastewater.
Core as biofilm -- bio-carrier, the physicochemical property on surface affect the biofilm of microorganism, the processing effect of sewage
Fruit.That there are surface hydrophilicities is poor for the bio-carrier being directly process by high-molecular organic material, has a single function, reactor operation
The disadvantages such as ineffective, it is more difficult to have good performance in anaerobic bio-treated.It is many studies have shown that graphite, graphene, activity
The carbon material of the conductive energy such as charcoal, carbon fiber can be used as electron transfer mediator, and building anaerobe inter-species is directly electric
Sub- transmittance process, the inter-species hydrogen transmitting that substitution anaerobism traditional view is thought, and save ground bacillus and be used to secretory cell pigment
With growth pili energy, and then can with reinforced anaerobic digestive efficiency, improve methane production.
Therefore, the present invention by it is conductive can carbon material, such as graphite, graphene, active carbon, carbon fiber etc., with
High molecule plastic is blended, and prepares bio-carrier using screw machine extrusion process, utilizes the anaerobic biological of filler-reinforced organic wastewater
Processing, enhanced sewage treatment effect improve methane production.
Summary of the invention
It is an object of the invention to prepare a kind of anaerobic organism carrier, using the carbon material of conductive energy, such as
The high molecule plastics such as the modified poly ethylenes such as graphite, graphene, active carbon, carbon fiber, polypropylene, polyvinyl chloride, preparing can
For the electron mediator type bio-carrier of anaerobic biochemical treatment, anaerobe is can be improved for the drop of organic matter in modified support
Effect is solved, methane production is improved.
Technical solution of the present invention:
A kind of electron mediator type bio-carrier for anaerobic biochemical treatment, it is characterised in that: the electron mediator type
Bio-carrier includes polymer basis material, modified function material and auxiliary material；Wherein, polymer basis material be polyethylene, polypropylene or
Polyvinyl chloride；Modified function material is the carbon material of conductive energy, and mass fraction is the 3- of electron mediator type bio-carrier
50%；Auxiliary material is divided into hydrophilic material and electrophilicity material, and the mass ratio of auxiliary material and polymer basis material is 1-10:100.
The modified function material is the mixing of one or more of graphite, graphene, active carbon, carbon fiber；Institute
The hydrophilic material stated is diatomite and/or bentonite；The electrophilicity material is polyquaternium.
The electron mediator type bio-carrier further includes talcum powder, for improving organic polymer base-material, modified function
Material and auxiliary material make carrier be more easier extrusion molding in the fluency of blending extrusion；Talcum powder is also used as a part of auxiliary material.
Beneficial effects of the present invention:
(1) bio-carrier of the present invention during the preparation process due to it is conductive can carbon material, such as graphite,
The addition of graphene, active carbon, carbon fiber etc. promotes anaerobe inter-species direct electron transfer, accelerates the degradation of organic matter
Process improves organic matter degradation effect, improves methane production, is conducive to the enrichment of dominant bacteria in biomembrane.
(2) the extrudability of carrier can be improved due to the addition of auxiliary material in bio-carrier preparation process of the present invention
Energy and bioaffinity, it is easy to process, be conducive to microorganism colonization.
(3) bio-carrier of the present invention is for handling high concentration organic contaminant, relative to adding high density polyethylene (HDPE)
The bioreactor of filler, improves organic removal rate, improves methane production.
Specific embodiment
Narration a specific embodiment of the invention is carried out below in conjunction with technical solution.
Embodiment 1
Using 400g high density polyethylene (HDPE) powder as base-material, it is sliding successively to add 12g graphite, 8g hydrophilic material diatomite, 4g
Mountain flour mixes well into raw material 1 in a sealed container.Raw material 1 is produced into granulated samples by pelletizer, wherein pelletizer is fed
160 DEG C of phase temperature, 170 DEG C of phase temperature of thawing, 180 DEG C of mix stages temperature, 160 DEG C of co-extrusion process temperature, from mould head
Water cooled cooling, pelletizing become granulated samples (referred to as raw material 2) to the strip-shaped product of extrusion again.Raw material 2 is squeezed out by single screw rod
Machine produce carrier, wherein 135 DEG C of extruding machine charging stage temperature, melt 150 DEG C of phase temperature, 160 DEG C of mix stages temperature, squeeze
150 DEG C of phase temperature of modeling, it is fixed that the strip finished product squeezed out from mould head is formed through the vacuum shaping sleeve that vacuum degree is 0.03MPa again
Diameter, cooling water be cooling, traction machine travel, cutting become the finished product of cylindrical body and be applied to the electron mediator type of anaerobic bio-treated
Bio-carrier.
Embodiment 2
Using 400g high density polyethylene (HDPE) powder as base-material, it is sliding successively to add 20g graphite, 8g hydrophilic material diatomite, 4g
Mountain flour mixes well into raw material 1 in a sealed container.Raw material 1 is produced into granulated samples by pelletizer, wherein pelletizer is fed
160 DEG C of phase temperature, 170 DEG C of phase temperature of thawing, 180 DEG C of mix stages temperature, 160 DEG C of co-extrusion process temperature, from mould head
Water cooled cooling, pelletizing become granulated samples (referred to as raw material 2) to the strip-shaped product of extrusion again.Raw material 2 is squeezed out by single screw rod
Machine produce carrier, wherein 135 DEG C of extruding machine charging stage temperature, melt 150 DEG C of phase temperature, 160 DEG C of mix stages temperature, squeeze
150 DEG C of phase temperature of modeling, it is fixed that the strip finished product squeezed out from mould head is formed through the vacuum shaping sleeve that vacuum degree is 0.03MPa again
The electron mediator type that the finished product that diameter, cooling water are cooling, draw machine travel, are cut into cylindrical body is applied to anaerobic bio-treated is raw
Object carrier.
Embodiment 3
Using 400g high density polyethylene (HDPE) powder as base-material, it is sliding successively to add 28g graphite, 8g hydrophilic material diatomite, 4g
Mountain flour mixes well into raw material 1 in a sealed container.Raw material 1 is produced into granulated samples by pelletizer, wherein pelletizer is fed
160 DEG C of phase temperature, 170 DEG C of phase temperature of thawing, 180 DEG C of mix stages temperature, 160 DEG C of co-extrusion process temperature, from mould head
Water cooled cooling, pelletizing become granulated samples (referred to as raw material 2) to the strip-shaped product of extrusion again.Raw material 2 is squeezed out by single screw rod
Machine produce carrier, wherein 135 DEG C of extruding machine charging stage temperature, melt 150 DEG C of phase temperature, 160 DEG C of mix stages temperature, squeeze
150 DEG C of phase temperature of modeling, it is fixed that the strip finished product squeezed out from mould head is formed through the vacuum shaping sleeve that vacuum degree is 0.03MPa again
Diameter, cooling water be cooling, traction machine travel, cutting become the finished product of cylindrical body and be applied to the electron mediator type of anaerobic bio-treated
Bio-carrier.
Embodiment 4
Anaerobic activated sludge method (bio-carrier is not added) is respectively adopted and to add different types of bio-carrier (respectively high
Density polyethylene carriers, 3% graphite modified carrier, 5% graphite modified carrier, 7% graphite modified carrier) activated sludge and life
Object membrane compound technology contributes COD (COD) than being about 4:1:1 using ethyl alcohol, sodium acetate, sodium propionate as carbon source, raw
It is 30% that object carrier, which adds ratio, and hydraulic detention time is 12 hours, and temperature is 35 DEG C, investigates each reactor COD removal effect
And methane production.Biodegradable Experimental comparison results show the differential responses when influent concentration is about 5418-6185mg/L
It is 77.7% ± 1.3% (anaerobic activated sludge), 79.3% ± 2.8% (high density polyethylene (HDPE) load that device, which is discharged COD average removal rate,
Body), 80.9% ± 4.4% (3% graphite modified carrier), 83.4% ± 2.4% (5% graphite modified carrier), 89.4% ±
2.5% (7% graphite modified carrier).Compared to anaerobic activated sludge reactor, the methane production of modified support reactor is added
18.3%-33.3% is improved, compared to high density polyethylene (HDPE) carrier reactor is added, adds the methane of modified support reactor
Yield improves 12.4%-26.6%.Illustrate, the reactor equipped with graphite modified high density polyethylene (HDPE) carrier has with stronger
Machine object processing capacity and methane phase ability.
Claims (3)
1. a kind of electron mediator type bio-carrier for anaerobic biochemical treatment, it is characterised in that: the electron mediator type is raw
Object carrier includes polymer basis material, modified function material and auxiliary material；Wherein, polymer basis material is polyethylene, polypropylene or poly-
Vinyl chloride；Modified function material is the carbon material of conductive energy, and mass fraction is the 3%- of electron mediator type bio-carrier
50%；Auxiliary material is divided into hydrophilic material and electrophilicity material, and the mass ratio of auxiliary material and polymer basis material is 1-10:100.
2. electron mediator type bio-carrier according to claim 1, it is characterised in that: the modified function material is stone
The mixing of one or more of ink, graphene, active carbon, carbon fiber；The hydrophilic material is diatomite and/or swollen
Profit soil；The electrophilicity material is polyquaternium.
3. electron mediator type bio-carrier according to claim 1 or 2, it is characterised in that: the electron mediator type is raw
Object carrier further includes talcum powder, and talcum powder is also used as a part of auxiliary material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521430.0A CN110304720B (en) | 2019-06-17 | 2019-06-17 | Electronic mediator type biological carrier for anaerobic biochemical treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521430.0A CN110304720B (en) | 2019-06-17 | 2019-06-17 | Electronic mediator type biological carrier for anaerobic biochemical treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110304720A true CN110304720A (en) | 2019-10-08 |
| CN110304720B CN110304720B (en) | 2021-08-10 |
Family
ID=68077464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521430.0A Active CN110304720B (en) | 2019-06-17 | 2019-06-17 | Electronic mediator type biological carrier for anaerobic biochemical treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110304720B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697895A (en) * | 2019-10-31 | 2020-01-17 | 天津城建大学 | Wastewater treatment method and device for simultaneously removing ammonia nitrogen, nitrate nitrogen and phosphate |
| CN114536584A (en) * | 2022-01-28 | 2022-05-27 | 青岛思普润水处理股份有限公司 | Moving bed biofilm suspension carrier for sewage treatment and preparation method thereof |
| CN115028272A (en) * | 2022-05-18 | 2022-09-09 | 中国长江三峡集团有限公司 | Functional composite carbon source for biological denitrification process and preparation method thereof |
| CN116177729A (en) * | 2023-01-10 | 2023-05-30 | 大连理工大学 | Surface conductive coating type biological carrier and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322296A (en) * | 1980-08-12 | 1982-03-30 | Kansas State Univ. Research Foundation | Method for wastewater treatment in fluidized bed biological reactors |
| CN105668767A (en) * | 2016-04-13 | 2016-06-15 | 大连理工大学 | Non-soluble redox mediator type bio-carrier and preparation method thereof |
| CN109250816A (en) * | 2018-09-20 | 2019-01-22 | 大连理工大学 | A method of based on electron donor type bio-carrier enhanced sewage anaerobic hydrolysis-acidification |
-
2019
- 2019-06-17 CN CN201910521430.0A patent/CN110304720B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322296A (en) * | 1980-08-12 | 1982-03-30 | Kansas State Univ. Research Foundation | Method for wastewater treatment in fluidized bed biological reactors |
| CN105668767A (en) * | 2016-04-13 | 2016-06-15 | 大连理工大学 | Non-soluble redox mediator type bio-carrier and preparation method thereof |
| CN109250816A (en) * | 2018-09-20 | 2019-01-22 | 大连理工大学 | A method of based on electron donor type bio-carrier enhanced sewage anaerobic hydrolysis-acidification |
Non-Patent Citations (2)
| Title |
|---|
| 毛彦俊: ""亲电型与氧化还原介体型悬浮生物载体的制备及其在污水处理中的应用研究"", 《中国博士论文全文数据库工程科技I辑》 * |
| 高心怡等: ""碳材料促进废水厌氧处理中直接种间电子传递的研究进展"", 《化工环保》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697895A (en) * | 2019-10-31 | 2020-01-17 | 天津城建大学 | Wastewater treatment method and device for simultaneously removing ammonia nitrogen, nitrate nitrogen and phosphate |
| CN110697895B (en) * | 2019-10-31 | 2022-03-29 | 天津城建大学 | Wastewater treatment method and device for simultaneously removing ammonia nitrogen, nitrate nitrogen and phosphate |
| CN114536584A (en) * | 2022-01-28 | 2022-05-27 | 青岛思普润水处理股份有限公司 | Moving bed biofilm suspension carrier for sewage treatment and preparation method thereof |
| CN114536584B (en) * | 2022-01-28 | 2023-08-22 | 青岛思普润水处理股份有限公司 | Moving bed biomembrane suspension carrier for sewage treatment and preparation method thereof |
| CN115028272A (en) * | 2022-05-18 | 2022-09-09 | 中国长江三峡集团有限公司 | Functional composite carbon source for biological denitrification process and preparation method thereof |
| CN116177729A (en) * | 2023-01-10 | 2023-05-30 | 大连理工大学 | Surface conductive coating type biological carrier and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110304720B (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110304720A (en) | A kind of electron mediator type bio-carrier for anaerobic biochemical treatment | |
| Wang et al. | Piggery wastewater treatment by aerobic granular sludge: granulation process and antibiotics and antibiotic-resistant bacteria removal and transport | |
| CN107082536A (en) | A kind of cultivating wastewater purification technique | |
| CN101693775B (en) | Fixed microbe rubber granule filler, preparation and application thereof | |
| CN103420490B (en) | A kind of close electric type bio-carrier and preparation method thereof | |
| CN107953569B (en) | Preparation method of biological carrier for thermoplastic resin immobilized biomass charcoal | |
| EP3695955B1 (en) | Method for preparing biofilm carriers for fixing biomass charcoal by using thermoplastic resin | |
| CN108178338A (en) | A kind of electron donor type bio-carrier and preparation method thereof | |
| US10968125B2 (en) | Non-dissolved redox mediator biofilm carrier and its preparation method | |
| CN111439830A (en) | MBBR suspended biological filler and preparation method thereof | |
| CN103818998A (en) | Method for preparing biomass microbial carrier | |
| CN105347513A (en) | Preparation method and application of microecological preparation | |
| Luo et al. | The effect of using pig manure as an internal carbon source in a traditional piggery wastewater treatment system for biological denitrification | |
| CN111018137A (en) | Efficient composite carbon source medicament and preparation method thereof | |
| CN102249408A (en) | Starch-polylactic acid blend and preparation method and application thereof | |
| KR101425104B1 (en) | System for producing biogas using substitution reaction in pretreatment process of anaerobic fermentation to improve biogas production from organic wastes, production method thereof and biogas produced by the method | |
| CN104891643A (en) | Composite biocarrier for wastewater treatment | |
| CN102838204A (en) | Active biological filler for treating high-concentration refractory wastewater and preparation method thereof | |
| CN104860390A (en) | Hydrophilic biological carrier for wastewater treatment | |
| CN106986455A (en) | A kind of dystopy purifying of the hypertrophic water system method based on carrier organism membranous system | |
| CN115231716A (en) | Biological promoter for treating wastewater produced by ion exchange resin as well as preparation method and application of biological promoter | |
| CN112552664B (en) | Polylactic acid and lactide blended slow-release material | |
| WO2019148503A1 (en) | Electron donor-type biological carrier and preparation method therefor | |
| Yu et al. | Integration of anammox into the MBR process for main stream sewage treatment | |
| CN114804351A (en) | Anoxic suspension carrier with mixotrophic denitrification function and preparation method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |