CN104891642A - Nutritional type bio-carrier for wastewater treatment - Google Patents
Nutritional type bio-carrier for wastewater treatment Download PDFInfo
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- CN104891642A CN104891642A CN201510248871.XA CN201510248871A CN104891642A CN 104891642 A CN104891642 A CN 104891642A CN 201510248871 A CN201510248871 A CN 201510248871A CN 104891642 A CN104891642 A CN 104891642A
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- carrier
- bio
- wastewater treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention provides a nutritional type bio-carrier for wastewater treatment. The base material is high density polyethylene, the nutritional functional material is starch, ferric oxide, coke and slag powder, and the auxiliary material is talcum powder. The nutritional type bio-carrier for wastewater treatment provided by the invention has density of 0.93-1.05g/cm<3>, and has rough surface, large specific surface area and strong impact resistance, and can prevent the drop of a microbial film attached to the carrier outer surface in water due to friction between carriers. After film formation, the dehydrogenase activity and biomass on the carrier surface are more than twice those of the high density polyethylene directly made carrier. The bio-carrier contains the enhancement components of bio-enzyme, can promote the catalytic effect of bio-enzyme, has high bioactivity and fast metabolism, and can significantly enhance the decomposition ability of pollutants in water. Containing antiultraviolet components, the bio-carrier has a service life of over 30 years, and has no need for replacement and maintenance.
Description
Technical field
The present invention relates to a kind of bio-carrier for wastewater treatment, particularly a kind of nutritional type bio-carrier for wastewater treatment.
Background technology
Microbial film moves bed process to be had the advantages such as stable, anti-high loading impact, economical and energy saving and is widely used in sewage treatment process because of it.And the core technology that microbial film moves bed process is biofilm carrier, the characteristic of biofilm carrier determines the efficiency of moving bed biological embrane method treatment process.But the biofilm carrier produced at present adopts the macromolecule resin material such as polyethylene, polypropylene directly to make mostly, therefore, the bio-carrier bioaffinity produced is poor, easy to be filmed, carrier outer surface microbial film easily do not come off, the clearance of ammonia nitrogen is low.
High density polyethylene(HDPE) has good thermotolerance and winter hardiness, and chemical stability is good, also has higher rigidity and toughness, and physical strength is good.Recently, publication number is CN1762851A, CN101066800A and publication No. is that patent discloses of CN102887591A is expected with based on high-density polyethylene material, add modified function material and prepare bio-carrier, advantages such as although obtained bio-carrier has roughness and specific surface area is large, long service life, also also exist that bio-carrier biofilm required time is long, the carrier outer surface not deficiency such as easy to be filmed.
The object of this invention is to provide one and have that surface biological affinity, resistance to impact shock and tensile strength are high, carrier outer surface microbial film difficult drop-off, biofilm required time are short, dehydrogenase activity and biomass large, the nutritional type bio-carrier of the surface modification of pollutants removal rate in municipal wastewater, trade effluent and aquaculture water can be improved simultaneously.
Summary of the invention
Nutritional type bio-carrier density for wastewater treatment of the present invention is 0.93 ~ 1.05g/cm
3, resistance to impact shock is 63 ~ 81KJ/m
2, tensile strength is 24 ~ 34MPa; Be made up of the component of following weight percent: high density polyethylene(HDPE) 90.0 ~ 95.0%, starch 1.0 ~ 9.0%, talcum powder 0.2 ~ 1.0%, ferric oxide 0.0 ~ 3.0%, coke 0.0 ~ 3.0%, slag powders 0.0 ~ 3.0%.
This is used for each component of nutritional type bio-carrier of wastewater treatment and weight percent can be: high density polyethylene(HDPE) is 90 ~ 95%, starch is 4 ~ 9%, talcum powder is 0.2 ~ 1%.
This is used for each component of nutritional type bio-carrier of wastewater treatment and weight percent can be: high density polyethylene(HDPE) is 90 ~ 95%, starch is 1 ~ 3%, ferric oxide is 0.5 ~ 3%, coke is 0.5 ~ 3%, talcum powder is 0.2 ~ 1%.
This is used for each component of nutritional type bio-carrier of wastewater treatment and weight percent can be: high density polyethylene(HDPE) is 90 ~ 95%, starch is 2 ~ 4%, ferric oxide is 0.5 ~ 2%, coke is 0.5 ~ 2%, slag powders is 1 ~ 3%, talcum powder is 0.2 ~ 1%.
The preparation method of the nutritional type bio-carrier for wastewater treatment of the present invention is:
1. take basestocks, auxiliary material and trophic function material according to above-mentioned weight percent, carried out Homogeneous phase mixing.
2. heated up by forcing machine, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.
3. mixed basestocks, auxiliary material and trophic function material are sent in extruder barrel, along with the rotation raw material of extruder screw is forced to push heading to.
4. extrude the effigurate product of tool from extrusion die mouth, surely mould through sizing, cooling, cut the right cylinder that sizing can obtain grey black, black, white interior have bracing frame, the cross-sectional area of best cylinder is profile of tooth.
The density of the nutritional type bio-carrier for wastewater treatment of the present invention is 0.93 ~ 1.05g/cm
3, preferred density is 0.96 ~ 0.98g/cm
3.
The resistance to impact shock of the nutritional type bio-carrier for wastewater treatment of the present invention is 63 ~ 81KJ/m
2, preferred resistance to impact shock is 70 ~ 75KJ/m
2.
The tensile strength of the nutritional type bio-carrier for wastewater treatment of the present invention is 24 ~ 34MPa, and preferred tensile strength is 29 ~ 32MPa.
Nutritional type bio-carrier for wastewater treatment of the present invention is added in municipal wastewater Aerobic biological process system, and biofilm required time is 5 ~ 8 days.
Nutritional type bio-carrier for wastewater treatment of the present invention is added in municipal wastewater Aerobic biological process system, wherein BOD volumetric loading 1.5kg/m
3* d, COD volumetric loading 3kg/m
3* d, ammonia nitrogen volumetric loading 0.3kg/m
3* d, total nitrogen volumetric loading 0.8kg/m
3* d, total phosphorus volumetric loading 0.12kg/m
3under the load of * d, BOD clearance is 95 ~ 97%, COD clearance is 90 ~ 93%, ammonia nitrogen removal frank is more than 99%, nitrogen removal rate is 85 ~ 87%, total tp removal rate is 80 ~ 85%; These more than 2 times of being used for that the dehydrogenase activity on the nutritional type bio-carrier surface of wastewater treatment and biomass are the direct obtained bio-carrier of high density polyethylene(HDPE).
Nutritional type bio-carrier for wastewater treatment of the present invention is added in aquaculture water Aerobic biological process system, wherein influent COD volumetric loading 0.05kg/m
3* d, ammonia nitrogen volumetric loading 0.005kg/m
3under the condition of * d, the clearance of COD is 70 ~ 80%, and the clearance of ammonia nitrogen is more than 98%.
Nutritional type bio-carrier for wastewater treatment of the present invention is added in trade effluent Aerobic biological process system, wherein influent COD volumetric loading 2.5kg/m
3* d, phenol volumetric loading 1.0kg/m
3under the condition of * d, the clearance of phenol is the clearance of more than 99%, COD is more than 97%.
Nutritional type bio-carrier for wastewater treatment of the present invention drops in open reactor, opens aeration pump, carries out aeration to container, dissolved oxygen controls between 2 ~ 5mg/L, water temperature 20 DEG C, maintains 10min, evenly add 12g chloride solid powder, mix rear beginning timing; Respectively at 0min, 15min, 30min, 60min, 75min, 90min, 105min, 120min sampling and measuring ammonia nitrogen concentration.Draw ammonia nitrogen consumption and time changing curve according to measurement result, the ratio of rate of curve absolute value and bio-carrier surface-area is the rate of nitrification of bio-carrier, and rate of nitrification is 0.45 ~ 0.85gNH
3-N/m
2d.
Effect of the present invention is:
1. the nutritional type bio-carrier for wastewater treatment of the present invention contains nutritive substance needed for microorganism growth and biocompatible material, biofilm required time is short, after biofilm, the dehydrogenase activity of carrier surface and biomass are more than 2 times of general carrier, improve the treatment effect of pollutent, be more suitable for the pollutent biological treatment of difficult degradation.
2. the nutritional type bio-carrier for wastewater treatment of the present invention contains the enhancement composition of biological enzyme, and promote the katalysis of biological enzyme, the biological activity of attachment is high, and metabolism is fast, can significantly improve the capacity of decomposition of water pollutant.
3. the nutritional type bio-carrier surface irregularity for wastewater treatment of the present invention, specific surface area is large, shock resistance is strong, the microbial film that can prevent carrier outer surface from adhering in water because of between carrier friction and come off.
4. the density of the nutritional type bio-carrier for wastewater treatment of the present invention is at 0.93 ~ 1.05g/cm
3, stirring slight in water after biofilm just can be even fluidizing, greatly reduces energy consumption.
5. the nutritional type bio-carrier for wastewater treatment of the present invention is under high volumetric loading, has efficient dephosphorization denitrogenation function.
6. the nutritional type bio-carrier for wastewater treatment of the present invention contains uvioresistant composition, more than 30 years work-ing life, without the need to changing and safeguarding.
Embodiment
Examples of implementation 1
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 7.2kg mixes, then add high density polyethylene(HDPE) 72kg, mix rear feeding and extrude in bucket, heated up by forcing machine, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is carried out the contrast of density, resistance to impact shock and tensile strength with the bio-carrier that pure high density polyethylene(HDPE) directly obtains, comparing result is as follows:
Examples of implementation 2
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 2.4kg, ferric oxide 2.4kg, coke 2.4kg mix, add high density polyethylene(HDPE) 72kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is carried out the contrast of density, resistance to impact shock and tensile strength with the bio-carrier that pure high density polyethylene(HDPE) directly obtains, comparing result is as follows:
Examples of implementation 3
Get the talcum powder 0.5kg of fineness more than 100 orders, starch 3kg, ferric oxide 1.5kg, coke 1kg, slag powders 2kg mixing, add high density polyethylene(HDPE) 72kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is carried out the contrast of density, resistance to impact shock and tensile strength with the bio-carrier that pure high density polyethylene(HDPE) directly obtains, comparing result is as follows:
Examples of implementation 4
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 2.4kg, ferric oxide 2.4kg, coke 2.4kg mix, add high density polyethylene(HDPE) 72kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in municipal wastewater Aerobic biological process system respectively with the bio-carrier that pure high density polyethylene(HDPE) directly obtains, adopts quick spoil disposal method to carry out dehydrogenase activity and biofilm biomass contrast experiment.Experimental result shows, this nutritional type bio-carrier dehydrogenase activity is 2.5 times of the carrier that pure high density polyethylene(HDPE) directly obtains, and biofilm biomass is 3.1 times of the carrier that pure high density polyethylene(HDPE) directly obtains.
Examples of implementation 5
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 7.2kg mixes, then add high density polyethylene(HDPE) 72kg, mix rear feeding and extrude in bucket, heated up by forcing machine, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
Dephosphorization denitrogenation functional examination is carried out to the nutritional type bio-carrier for wastewater treatment prepared by the present embodiment, is added in municipal wastewater Aerobic biological process system, wherein BOD volumetric loading 1.5kg/m
3* d, COD volumetric loading 3kg/m
3* d, ammonia nitrogen volumetric loading 0.3kg/m
3* d, total nitrogen volumetric loading 0.8kg/m
3* d, total phosphorus volumetric loading 0.12kg/m
3* d.Under above-mentioned load, COD clearance is 90%, BOD clearance is 96%, and ammonia nitrogen removal frank is 99.2%, and nitrogen removal rate is 85%, and total tp removal rate is 82%.
Examples of implementation 6
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 2.4kg, ferric oxide 2.4kg, coke 2.4kg mix, add high density polyethylene(HDPE) 72kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
Dephosphorization denitrogenation functional examination is carried out to the nutritional type bio-carrier for wastewater treatment prepared by the present embodiment, is added in municipal wastewater Aerobic biological process system, wherein BOD volumetric loading 1.5kg/m
3* d, COD volumetric loading 3kg/m
3* d, ammonia nitrogen volumetric loading 0.3kg/m
3* d, total nitrogen volumetric loading 0.8kg/m
3* d, total phosphorus volumetric loading 0.12kg/m
3* d.Under above-mentioned load, COD clearance is 92%, BOD clearance is 96%, and ammonia nitrogen removal frank is 99%, and nitrogen removal rate is 87%, and total tp removal rate is 85%.
Examples of implementation 7
Get the talcum powder 0.5kg of fineness more than 100 orders, starch 3kg, ferric oxide 1.5kg, coke 1kg, slag powders 2kg mixing, add high density polyethylene(HDPE) 72kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
Dephosphorization denitrogenation functional examination is carried out to the nutritional type bio-carrier for wastewater treatment prepared by the present embodiment, is added in municipal wastewater Aerobic biological process system, wherein BOD volumetric loading 1.5kg/m
3* d, COD volumetric loading 3kg/m
3* d, ammonia nitrogen volumetric loading 0.3kg/m
3* d, total nitrogen volumetric loading 0.8kg/m
3* d, total phosphorus volumetric loading 0.12kg/m
3* d.Under above-mentioned load, COD clearance is 93%, BOD clearance is 97%, and ammonia nitrogen removal frank is 99.5%, and nitrogen removal rate is 85%, and total tp removal rate is 85%.
Examples of implementation 8
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 2.2kg, ferric oxide 1.2kg, coke 1.8kg mix, add high density polyethylene(HDPE) 74kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in trade effluent Aerobic biological process system, wherein influent COD volumetric loading 2.5kg/m
3* d, phenol volumetric loading 1.0kg/m
3under the condition of * d, the clearance of COD is 98%, and the clearance of phenol is 99%.
Examples of implementation 9
Get the talcum powder 0.2kg of fineness more than 100 orders, starch 1.8kg, ferric oxide 0.5kg, coke 0.5kg, slag powders 1kg mixing, add high density polyethylene(HDPE) 76kg again, mixing rear feeding extrudes in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in aquaculture water Aerobic biological process system, wherein influent COD volumetric loading 0.05kg/m
3* d, ammonia nitrogen volumetric loading 0.005kg/m
3under the condition of * d, the clearance of COD is 75%, and the clearance of ammonia nitrogen is 98%.
Examples of implementation 10
Get the talcum powder 0.2kg of fineness more than 100 orders, starch 1.8kg, ferric oxide 1.0kg, slag powders 1kg mixing, add high density polyethylene(HDPE) 76kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in aquaculture water Aerobic biological process system, wherein influent COD volumetric loading 0.05kg/m
3* d, ammonia nitrogen volumetric loading 0.005kg/m
3under the condition of * d, the clearance of COD is 74%, and the clearance of ammonia nitrogen is 98%.
Examples of implementation 11
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 7.2kg mixes, then add high density polyethylene(HDPE) 72kg, mix rear feeding and extrude in bucket, heated up by forcing machine, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in municipal wastewater Aerobic biological process system with the bio-carrier that pure high density polyethylene(HDPE) directly obtains respectively, the bio-carrier biofilm required time that pure high density polyethylene(HDPE) directly obtains is 45 days, and the nutritional type bio-carrier biofilm required time prepared by the present embodiment is 8 days.Biofilm required time shortens 37 days, illustrates that the nutritional type bio-carrier obtained by the present invention has good carrier surface forming biofilm property.
Examples of implementation 12
Get the talcum powder 0.5kg of fineness more than 100 orders, starch 3kg, ferric oxide 1.5kg, slag powders 2kg, coke 1kg mix, add high density polyethylene(HDPE) 72kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in municipal wastewater Aerobic biological process system with the bio-carrier that pure high density polyethylene(HDPE) directly obtains respectively, the bio-carrier biofilm required time that pure high density polyethylene(HDPE) directly obtains is 45 days, and the nutritional type bio-carrier biofilm required time prepared by the present embodiment is 7 days.Biofilm required time shortens 38 days, illustrates that the nutritional type bio-carrier obtained by the present invention has good carrier surface forming biofilm property.
Examples of implementation 13
Get the talcum powder 0.2kg of fineness more than 100 orders, starch 1.8kg, ferric oxide 0.5kg, coke 0.5kg, slag powders 1kg mixing, add high density polyethylene(HDPE) 76kg again, mixing rear feeding extrudes in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment is added in municipal wastewater Aerobic biological process system with the bio-carrier that pure high density polyethylene(HDPE) directly obtains respectively, the bio-carrier biofilm required time that pure high density polyethylene(HDPE) directly obtains is 45 days, and the nutritional type bio-carrier biofilm required time prepared by the present embodiment is 8 days.Biofilm required time shortens 38 days, illustrates that the nutritional type bio-carrier obtained by the present invention has good carrier surface forming biofilm property.
Examples of implementation 14
Get the talcum powder 0.8kg of fineness more than 100 orders, starch 2.2kg, ferric oxide 1.2kg, coke 1.8kg mix, add high density polyethylene(HDPE) 74kg again, mix rear feeding and extrude in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment drops in open reactor, opens aeration pump, carries out aeration to container, dissolved oxygen controls between 2 ~ 5mg/L, water temperature 20 DEG C, maintains 10min, evenly add 12g chloride solid powder, mix rear beginning timing; Respectively at 0min, 15min, 30min, 60min, 75min, 90min, 105min, 120min sampling and measuring ammonia nitrogen concentration.Draw ammonia nitrogen consumption and time changing curve according to measurement result, the ratio of rate of curve absolute value and bio-carrier surface-area is the rate of nitrification of bio-carrier, and recording rate of nitrification is 0.59gNH
3-N/m
2d.
Examples of implementation 15
Get the talcum powder 0.2kg of fineness more than 100 orders, starch 1.8kg, ferric oxide 0.5kg, coke 0.5kg, slag powders 1kg mixing, add high density polyethylene(HDPE) 76kg again, mixing rear feeding extrudes in bucket, forcing machine is heated up, body temperature reaches 135 DEG C, and head temperature reaches 130 DEG C.Namely can be made into the nutritional type bio-carrier for wastewater treatment of the present invention.
The nutritional type bio-carrier being used for wastewater treatment prepared by the present embodiment drops in open reactor, opens aeration pump, carries out aeration to container, dissolved oxygen controls between 2 ~ 5mg/L, water temperature 20 DEG C, maintains 10min, evenly add 12g chloride solid powder, mix rear beginning timing; Respectively at 0min, 15min, 30min, 60min, 75min, 90min, 105min, 120min sampling and measuring ammonia nitrogen concentration.Draw ammonia nitrogen consumption and time changing curve according to measurement result, the ratio of rate of curve absolute value and bio-carrier surface-area is the rate of nitrification of bio-carrier, and recording rate of nitrification is 0.72gNH
3-N/m
2d.
Claims (7)
1. for a nutritional type bio-carrier for wastewater treatment, it is characterized in that: density is 0.93 ~ 1.05g/cm
3, resistance to impact shock is 63 ~ 81KJ/m
2, tensile strength is 24 ~ 34MPa; Be made up of the component of following weight percent: high density polyethylene(HDPE) 90.0 ~ 95.0%, starch 1.0 ~ 9.0%, talcum powder 0.2 ~ 1.0%, ferric oxide 0.0 ~ 3.0%, coke 0.0 ~ 3.0%, slag powders 0.0 ~ 3.0%.
2. the nutritional type bio-carrier for wastewater treatment according to claim 1, is characterized in that: high density polyethylene(HDPE) 90.0 ~ 95.0%, starch 4.0 ~ 9.0%, talcum powder 0.2 ~ 1.0%.
3. the nutritional type bio-carrier for wastewater treatment according to claim 1, is characterized in that: high density polyethylene(HDPE) 90.0 ~ 95.0%, starch 1.0 ~ 3.0%, talcum powder 0.2 ~ 1.0%, ferric oxide 0.5 ~ 3.0%, coke 0.5 ~ 3.0%.
4. the nutritional type bio-carrier for wastewater treatment according to claim 1, is characterized in that: high density polyethylene(HDPE) 90.0 ~ 95.0%, starch 2.0 ~ 4.0%, talcum powder 0.2 ~ 1.0%, ferric oxide 0.5 ~ 2.0%, coke 0.5 ~ 2.0%, slag powders 1.0 ~ 3.0%.
5. the nutritional type bio-carrier for wastewater treatment according to claim 1, is characterized in that: density is 0.96 ~ 0.98g/cm
3.
6. the nutritional type bio-carrier for wastewater treatment according to claim 1, is characterized in that: resistance to impact shock is 70 ~ 75KJ/m
2.
7. the nutritional type bio-carrier for wastewater treatment according to claim 1, is characterized in that: tensile strength is 29 ~ 32MPa.
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| CN201510248871.XA CN104891642A (en) | 2015-05-15 | 2015-05-15 | Nutritional type bio-carrier for wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248871.XA CN104891642A (en) | 2015-05-15 | 2015-05-15 | Nutritional type bio-carrier for wastewater treatment |
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| CN104891642A true CN104891642A (en) | 2015-09-09 |
Family
ID=54024679
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758856A (en) * | 2016-08-15 | 2018-03-06 | 江苏裕隆环保有限公司 | A kind of floating stuffing for anaerobic/anoxic |
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| JPH11276164A (en) * | 1998-03-31 | 1999-10-12 | Hymo Corp | Microbial carrier |
| CN1522972A (en) * | 2003-09-03 | 2004-08-25 | 华南理工大学 | Method for preparing magnetic filling with biological affinity, hydrophilicity and activity for water treatment |
| CN101066800A (en) * | 2006-07-20 | 2007-11-07 | 大连宇都环境工程技术有限公司 | Modified microbial membrane carrier |
| CN104229982A (en) * | 2014-09-29 | 2014-12-24 | 滁州友林科技发展有限公司 | Inorganic compound water treatment padding and preparation method thereof |
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2015
- 2015-05-15 CN CN201510248871.XA patent/CN104891642A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11276164A (en) * | 1998-03-31 | 1999-10-12 | Hymo Corp | Microbial carrier |
| CN1522972A (en) * | 2003-09-03 | 2004-08-25 | 华南理工大学 | Method for preparing magnetic filling with biological affinity, hydrophilicity and activity for water treatment |
| CN101066800A (en) * | 2006-07-20 | 2007-11-07 | 大连宇都环境工程技术有限公司 | Modified microbial membrane carrier |
| CN100455524C (en) * | 2006-07-20 | 2009-01-28 | 大连宇都环境工程技术有限公司 | Modified microbial membrane carrier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107758856A (en) * | 2016-08-15 | 2018-03-06 | 江苏裕隆环保有限公司 | A kind of floating stuffing for anaerobic/anoxic |
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