CN106186358A - A kind of charcoal viscose rayon slow release carbon source filler and preparation method - Google Patents

A kind of charcoal viscose rayon slow release carbon source filler and preparation method Download PDF

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CN106186358A
CN106186358A CN201610671863.0A CN201610671863A CN106186358A CN 106186358 A CN106186358 A CN 106186358A CN 201610671863 A CN201610671863 A CN 201610671863A CN 106186358 A CN106186358 A CN 106186358A
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charcoal
carbon source
slow release
viscose rayon
release carbon
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CN106186358B (en
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刘杰
王怀林
时良晶
彭娜
尹航
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JIANGSU KAIMI MEMBRANE TECHNOLOGY Co Ltd
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JIANGSU KAIMI MEMBRANE TECHNOLOGY Co Ltd
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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
    • 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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/15—N03-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/16—Total nitrogen (tkN-N)
    • 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
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms

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  • 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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The present invention relates to the biofilm packing in water body treating field, particularly a kind of charcoal viscose rayon slow release carbon source filler and preparation method；Described slow release carbon source filler is with viscose rayon as skeleton and slow release carbon source, the mass percentage content of described slow release carbon source filler is: viscose rayon 85 ~ 95%, charcoal 5 ~ 15%, described charcoal mean diameter is 50 ~ 100 μm, particle diameter is not less than 30% less than the charcoal accounting of 60 μm, particle diameter is less than 20% more than the charcoal accounting of 100 μm, and described charcoal maximum particle diameter is less than 200 μm；The viscose rayon that this patent uses is both as slow release carbon source filler skeleton, again as carbon source slow-release material, overcomes other carbon source Controlled-release filler and relies on skeleton parcel carbon source material, there is part carbon source material and be completely covered by skeleton and the problem that cannot be utilized by microorganism.

Description

A kind of charcoal viscose rayon slow release carbon source filler and preparation method
Technical field
The present invention relates to the biofilm packing in water body treating field, particularly a kind of charcoal viscose rayon slow release carbon source is filled out Material and preparation method.
Background technology
Currently, water pollutes has become the topmost water environmental problems that China faces, owing to entering the battalion such as the nitrogen in lake, river, phosphorus Foster material is continuously increased, and makes body eutrophication progress faster.It addition, adding along with municipal sewage treatment and Treated sewage reusing process Hurry up, middle water becomes an important component part of urban rivers and lakes water body, and the COD of these water bodys is the highest, and ammonia-nitrogen content is higher, This present situation has been further exacerbated by the Eutrophic Extent in lake, river.The eutrophication in lake, river causes blue-green alga bloom frequently to break out, and draws Playing the hydrobiological mortalities such as Fish, after algae death, the decomposition of microorganism consumes substantial amounts of dissolved oxygen in water, and Algae toxins discharges in a large number, causes function of water body impaired, has a strong impact on the productive life of resident.
The technology of river course reparation at present totally can be summarized as peripheral doses technology, chemical remediation technology, bioremediation technology, River regulation is not the most just to obtain effect.It is the highest that Physical administers the cost needed；Although chemical method The wawter bloom phenomenon of lake surface can be controlled the most rapidly, but the algae being deposited to lakebed still can condition is suitable when once again Break out, and secondary pollution can be caused in lake by the use of chemical agent.Bioanalysis mainly includes plant purification and microbial method Two kinds, it is low to there is winter usefulness in plant purification, and after plant is withered, nutritive salt, Organic substance etc. enter the problems such as water body once again；Micro-life The problem that thing rule exists biofilm time length, denitrification denitrogenation carbon source is not enough.
It is generally believed that when BOD/TKN in water body < when 3 ~ 5, i.e. needs additionally to add carbon source and supplies as the electronics of anti-nitration reaction Body.Existing additional carbon can be divided into two big classes, and a class is with small organic molecules such as methanol, ethanol, acetic acid, glucoses as generation Traditional carbon source of table；Another kind of is with larger molecular organics carbon such as native cellulose class material and biodegradable polymer Source.Little molecule carbon source has and is easily degraded by microorganisms, easily by advantages such as denitrifying bacteria utilizations, but due to the flowing of river water body Property and the feature such as the water yield, water quality is wayward, little molecule organic carbon source puts into river water body, as the most not sharp by denitrifying bacteria With, not only do not reach the purpose promoting that Denitrification is carried out, downstream water can be polluted on the contrary, and relatively costly.Natural fiber Element class carbon source (such as: Cotton Gossypii, straw, rice husk etc.) have draw materials conveniently, the advantage such as sufficient, with low cost of originating, but after adding its Carbon source service time is only capable of maintaining 10-20 days, and denitrification effect declines subsequently, need to again add and preferable denitrogenation could be maintained to imitate Really, remaining straw residue, if do not taken out from water body, is deposited on river bed corrupt, can be further exacerbated by the black smelly situation of water body.
The Chinese invention patent of Patent No. 201310727268.0 discloses a kind of carbon ferrum micro cell slow release carbon source filler, This material includes kernel and shell two parts, and natural carbon raw material is wrapped in the shell that Portland cement base is formed, and uses Field is repaired in underground water pollution.Main raw material(s) includes, kernel: natural carbon source material 25～40%, binding agent 2～5%, water 20 ～37%, sponge iron 15～25%, attapulgite 10～15%, pH adjusting agent 2～6%；Shell: attapulgite 45～53%, kieselguhr 22～25%, Portland cement 22～25%, water 3～5%.This material is disadvantageous in that, carbon source materials be corn cob, , there is carbon source in one in corn straw, Pericarppium arachidis hypogaeae, walnut shell, bagasse, rice husk, wood flour, two or more mixing Service time is short, the uncontrollable problem of quantity delivered.
The Chinese invention patent of Patent No. CN201210051525.9 discloses a kind of polyvinyl alcohol slow-release carbon source material And preparation method thereof, this material includes each component of following parts by weight: polyvinyl alcohol 8 ~ 11 parts, calcium alginate 1 part, starch 9 Part, it is adaptable to water treatment field.This material is the slow release carbon of the form of spherical particles polyvinyl alcohol skeleton parcel starch of a kind of 3-5mm Source, specific surface area is less, and only microorganism provides habitat, there is not the effect of efficiently concentrating microorganism；Due to its little Grain character, is also not suitable for being applied in the open water bodys such as river course.
Summary of the invention
The technical problem to be solved in the present invention is: overcome deficiency of the prior art, it is provided that a kind of charcoal viscose rayon Slow release carbon source filler and preparation method, the charcoal viscose rayon slow release carbon source filler efficiently concentrating microorganism that the method prepares, Guarantee the supply steady in a long-term of lake, eutrophication river microorganism in situ denitrogenation carbon source, realize the quick structure of biofilm system simultaneously Build.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of charcoal viscose rayon slow release carbon source filler, the mass percentage content of described slow release carbon source filler is:
Viscose rayon 85 ~ 95%
Charcoal 5 ~ 15%
Described charcoal mean diameter is 50 ~ 100 μm, and particle diameter is not less than 30% less than the charcoal accounting of 60 μm, and particle diameter is more than The charcoal accounting of 100 μm is less than 20%, and described charcoal maximum particle diameter is less than 200 μm.
Further, described slow release carbon source filler is bundle fiber silk structure, and specific surface area is 5500m2/m3。
Further, charcoal described in described charcoal is internal is the micropore of 20 ~ 50 containing average diameter.
Further, described charcoal specific surface area is more than 700m2/g。
Further, described charcoal is the one of the materials such as reed straw, wheat stalk, rice straw, wood flour, coconut husk Or several be blended in 300-700 DEG C under the conditions of anaerobism pyrolysis gained；
Described viscose rayon is with Cotton Gossypii, fiber crops or bamboo as raw material, extracts cellulose, the artificial fibre prepared by wet spinning Dimension.
The method preparing charcoal viscose rayon slow release carbon source filler, it is characterised in that described preparation method is as follows:
(1) in charcoal, add deionized water, make the charcoal suspension that mass percent is 60 ~ 70, at spherical grinding 12 ~ 24h is ground in machine；Filter, dry to constant weight and add deionized water, with the mixing speed of 1000 ~ 1500 turns/min, stirring Become charcoal slurry；
(2) by viscose ripening；
(3) add the charcoal slurry in step (1), mix homogeneously when step (2) completes, obtain charcoal viscose glue stock solution, The charcoal weight/mass percentage composition of described biological carbon viscose glue stock solution is 0.44-1.31；
(4) by charcoal viscose glue stock solution described in step (3) through filter filter, filter bigger granule or (with) impurity；
(5) spinning；
(6) refine；
(7) drying, the charcoal viscose rayon slow release carbon source filler biological carbon weight/mass percentage composition prepared is 5-15；
(8) it is assembled into combined stuffing with plastic sheet, axial cord.
Further, the particle diameter after charcoal suspension grinds in spherical grinder in described step (1) is less than 200 μ m。
Technical scheme is used to provide the benefit that:
The viscose rayon that this patent uses, both as slow release carbon source filler skeleton, again as carbon source slow-release material, overcomes other Carbon source Controlled-release filler rely on skeleton parcel carbon source material, exist part carbon source material be completely covered by skeleton and cannot be by microorganism The problem utilized.
The slow release carbon source charcoal filler of the present invention is filamentary structure, is usually graininess with existing Controlled-release filler Structure is compared, and has the advantages that specific surface area is big.Viscose rayon only just can occur under conditions of coexisting with environmental microorganism etc. , there is a large amount of dissolving in slowly degraded, pollutes downstream water, and carbon source burst size is stable when will not put into water body in the early stage, carbon source Service time is long.
Material of the present invention, by adding charcoal, utilizes the absorption property of charcoal, in the absorption dirt of Biofilm Colonization initial stage Indigenous microbes and nutritive salt in dye river course, the microorganism for absorption puies forward good living environment, makes the biomembrane can be complete in 6 days Become biofilm；After biofilm completes, the nutritive salt of charcoal absorption is constantly utilized by the microorganism on biomembrane, makes nutrient substance continuous Adsorption and desorption, the removal of pollutant during so circulation is conducive to growth of microorganism and water body.
Accompanying drawing explanation
The carbon source releasing effect of Fig. 1 embodiment of the present invention 1 charcoal viscose rayon carbon source slow-release material；
The denitrification denitrogenation effect of Fig. 2 embodiment of the present invention 2 charcoal viscose rayon carbon source slow-release material
Fig. 3 embodiment of the present invention 3 carbon source Controlled-release filler simulating riverway in-situ immobilization COD removal effect
Fig. 4 embodiment of the present invention 3 carbon source Controlled-release filler simulating riverway in-situ immobilization ammonia nitrogen removal effect
Fig. 5 embodiment of the present invention 3 carbon source Controlled-release filler simulating riverway in-situ immobilization total nitrogen removal effect.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described.
Embodiment 1
Biological carbon materials pretreatment: weigh 100g reed straw charcoal, adds 67ml deionized water in 250ml beaker, joins It is set to the charcoal suspension that moisture content is 60%, suspension is added in small-sized ball-type grinder, grind 12 hours, after grinding Suspension uses 0.45 μm filter membrane vacuum in sand core funnel to filter, and filtering residue is dried to constant weight in 75 DEG C, obtains particle diameter less than 200 The charcoal powder of μm, charcoal mean diameter is 50 ~ 100 μm, and particle diameter is not less than 30% less than the charcoal accounting of 60 μm, grain Footpath is less than 20% more than the charcoal accounting of 100 μm.Accurately weigh 25g charcoal powder, add deionized water and be configured to quality Percentage ratio is the charcoal suspension of 70, stirs 3min with the mixing speed of 1000 turns/min, makes charcoal slurry, standby；
Prepared by charcoal viscose glue stock solution: joined by charcoal slurry in the viscose solution of maturation, stir, filter with filter Except the impurity of larger particles, preparing charcoal viscose glue stock solution, the charcoal weight/mass percentage composition of above-mentioned charcoal viscose glue stock solution is 0.44；
Viscose rayon is with cotton linter as raw material, and charcoal viscose glue stock solution uses wet spinning to prepare charcoal viscose rayon carbon Source slow-release material, above-mentioned charcoal viscose rayon carbon source slow-release material charcoal content is 5%；
Application flow: choose 3 500ml conical flasks, is calculated as No. 1, No. 2, No. 3 respectively, adds 4g(with dry bottom in No. 1 conical flask Mud meter) black-odor riverway sediments, 300ml deionized water, final volume is 320ml；No. 2 conical flasks add 1g charcoal Viscose rayon carbon source slow-release material, 300ml deionized water, final volume is 300ml；No. 3 conical flasks add 1g charcoal viscose glue Fiber carbon source slow-release material, 300ml deionized water, 4g(are in terms of dry bottom mud) black-odor riverway sediments, final total volume is 320ml.Above-mentioned conical flask being placed in isothermal vibration incubator, temperature controls 221 DEG C, the speed turned with every min130 Shaking 22 hours, stand 1 hour, take out supernatant, add new ultra-pure water extremely original scale, it is dense that supernatant C OD is taken out in test Degree.When charcoal viscose rayon carbon source slow-release material and black smelly river sediments coexist, carbon source burst size at the uniform velocity increases for first 12 days, Peak value is reached at the 12nd day, for 178.28mg/L, the most in a slight decrease, maintain about 140mg/L.
The carbon source releasing effect of charcoal viscose rayon carbon source slow-release material is shown in Fig. 1.
Embodiment 2
Biological carbon materials pretreatment: weigh 100g coconut husk charcoal, adds 67ml deionized water in 250ml beaker, is configured to Moisture content is the charcoal suspension of 60%, is added by suspension in small-sized ball-type grinder, grinds 24 hours, suspended after grinding Liquid uses 0.45 μm filter membrane vacuum in sand core funnel to filter, and filtering residue is dried to constant weight in 75 DEG C, obtains particle diameter less than 200 μm Charcoal powder, charcoal mean diameter is 50 ~ 100 μm, and particle diameter is not less than 30% less than the charcoal accounting of 60 μm, and particle diameter is big Charcoal accounting in 100 μm is less than 20%, and described charcoal maximum particle diameter is less than 200 μm.Accurately weigh 75g charcoal Powder, adds the charcoal suspension that deionized water preparation mass fraction is 70, stirs with the mixing speed of 1500 turns/min 3min, makes charcoal slurry, standby；
Prepared by charcoal viscose solution: joined by charcoal slurry in the viscose solution of maturation, stir, through filter Filter the impurity of larger particles, prepare charcoal viscose glue stock solution, the charcoal weight/mass percentage composition of above-mentioned charcoal viscose glue stock solution It is 1.31；
Viscose rayon is with fiber crops as raw material, and it is slow that charcoal viscose glue stock solution uses wet spinning to prepare charcoal viscose rayon carbon source Releasing material, above-mentioned charcoal viscose rayon carbon source slow-release material charcoal content is 15%；
Application flow: add nitrate nitrogen solution, 1g charcoal viscose rayon carbon source slow-release material, inoculation in 500mL conical flask Activated sludge, in above-mentioned conical flask, solution final total volume is 300ml.Described nitrate nitrogen solution is deionized water preparation, contains The NO of 70mg/L3 --N and the PO of 12mg/ L4 3-, and the necessary trace element needed for microorganism；Sludge concentration in above-mentioned conical flask For 3000mg/L.Above-mentioned conical flask being put constant temperature oscillator and carries out shaken cultivation, constant incubator temperature is set as 301 DEG C, The speed turned with every min130 is shaken 22 hours and is stood 1 hour, takes 5ml supernatant, tests total nitrogen content.Within every 7 days, all change Supernatant in conical flask, adds new nitrate nitrogen solution to 300ml.
In reactor after seed sludge, when 4d, the laundering period is tided in microorganism, NO3 --N concentration starts drastically to decline, NO during 12d3 --N lowering of concentration trend slows down, and adds nitrate solution and makes NO in reactor3 --N concentration and liquor capacity recover The original state started to domestication, in 4 cycles of co-continuous operation, microorganism is not in the case of having other carbon sources to add, still Anti-nitration reaction can be carried out.
The denitrification denitrogenation effect of charcoal viscose rayon carbon source slow-release material is shown in Fig. 2.
Embodiment 3
Biological carbon materials pretreatment: weigh 100g wood flour charcoal, adds 67ml ultra-pure water in 250ml beaker, is configured to contain Water rate is the charcoal suspension of 60%, is added by suspension and tests with in small-sized soccer star's grinder, grinds 18 hours, after grinding Suspension uses 0.45 μm filter membrane vacuum in sand core funnel to filter, and filtering residue is dried to constant weight in 75 DEG C, obtains particle diameter less than 200 The charcoal powder of μm, charcoal mean diameter is 50 ~ 100 μm, and particle diameter is not less than 30% less than the charcoal accounting of 60 μm, grain Footpath is less than 20% more than the charcoal accounting of 100 μm, and described charcoal maximum particle diameter is less than 200 μm.Accurately weigh 50g raw Thing carbon powder, adds the charcoal suspension that ultra-pure water configuration quality mark is 70, stirs with the mixing speed of 1200 turns/min 3min, makes charcoal slurry, standby；
Prepared by charcoal viscose solution: joined by charcoal slurry in the viscose solution of maturation, stir, through filter Filtering the impurity of larger particles, prepare charcoal viscose glue stock solution, the charcoal weight/mass percentage composition of this charcoal viscose glue stock solution is 0.87；
Viscose rayon is with bamboo as raw material, and it is slow that charcoal viscose glue stock solution uses wet spinning to prepare charcoal viscose rayon carbon source Releasing material, above-mentioned charcoal viscose rayon carbon source slow-release material charcoal content is 10%；
Application flow: the reactor of the present embodiment is the vinyon container of 5L, charcoal viscose rayon carbon source slow-release material Being assembled into combined stuffing with commercially available round plastic sheet, hang in reactor, filler packing volume is reactor dischargeable capacity 30%, with black smelly river sediments as seed sludge, disposable inoculation 350g bed mud, add black smelly river top layer sewage 3.5L, aerobic Aeration 7 hours, anoxia 4 hours, precipitates 30min, discharges supernatant, add new top layer, black smelly river sewage to original volume, carry out Intermittent loading biofilm.Whole test is carried out in constant incubator, and temperature is 25 DEG C, uses aerator to carry out aeration, It is 4mg/L that aeration phase controls dissolved oxygen.COD, NH of water after within every 12 hours, measuring black smelly river top layer sewage and processing4 +-N、 NO3 --N、TN.After pollutants removal rate is stable, the biomembrane mud test at the end of taking stable later reaction time is raw The conventional combination filler experiment run under thing amount, nitrifiers and denitrifiers quantity, TTC-dehydrogenase activity etc., with the same terms Contrast.
After described carbon source Controlled-release filler and conventional combination filler run 3 days continuously, COD average removal rate all can reach 92%； Described carbon source Controlled-release filler NH4 +-N clearance all reached more than 70% at the 3rd day, and the average removal rate after stable operation is 96%, Relatively matched group improves 1.33 times.Described carbon source Controlled-release filler TN clearance reaches 85% at 6d, and after stable operation, TN averagely goes Except rate is 90%, relatively matched group improves 1.38 times.Biomass on described carbon source Controlled-release filler biomembrane, nitrobacteria quantity, Denitrifying bacteria quantity be biomembranous 1.96 times of common fillers, 26.8 times and 43 times.
Carbon source Controlled-release filler simulating riverway in-situ immobilization micro organism quantity is shown in Table 1.
Table 1
Carbon source Controlled-release filler simulating riverway in-situ immobilization COD removal effect is shown in Fig. 3.
Carbon source Controlled-release filler simulating riverway in-situ immobilization ammonia nitrogen removal effect is shown in Fig. 4.
Carbon source Controlled-release filler simulating riverway in-situ immobilization total nitrogen removal effect is shown in Fig. 5.
Other biological charcoal wheat stalk and test method embodiment 1-3 of rice straw.
In embodiment 1-3, charcoal is internal is the micropore of 20 ~ 50 containing average diameter；Charcoal specific surface area is more than 700m2/g。
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.

Claims (7)

1. a charcoal viscose rayon slow release carbon source filler, it is characterised in that: the mass percent of described slow release carbon source filler Content is:
Viscose rayon 85 ~ 95%
Charcoal 5 ~ 15%
Described charcoal mean diameter is 50 ~ 100 μm, and particle diameter is not less than 30% less than the charcoal accounting of 60 μm, and particle diameter is more than The charcoal accounting of 100 μm is less than 20%, and described charcoal maximum particle diameter is less than 200 μm.
A kind of charcoal viscose rayon slow release carbon source filler the most according to claim 1, it is characterised in that: described slow release carbon Source filler is bundle fiber silk structure, and specific surface area is 5500m2/m3。
A kind of charcoal viscose rayon slow release carbon source filler the most according to claim 1, it is characterised in that: described charcoal Internal is the micropore of 20 ~ 50 containing average diameter.
A kind of charcoal viscose rayon slow release carbon source filler the most according to claim 1, it is characterised in that: described charcoal Specific surface area is more than 700m2/g。
A kind of charcoal viscose rayon slow release carbon source filler the most according to claim 1, it is characterised in that: described charcoal Under the conditions of being blended in 300-700 DEG C for one or more of the materials such as reed straw, wheat stalk, rice straw, wood flour, coconut husk Anaerobism pyrolysis gained；
Described viscose rayon is with Cotton Gossypii, fiber crops or bamboo as raw material, extracts cellulose, the artificial fibre prepared by wet spinning Dimension.
6. the method for preparation charcoal viscose rayon slow release carbon source filler as according to any one of claim 1-5, its feature Being, described preparation method is as follows:
(1) in charcoal, add deionized water, make the charcoal suspension that mass percent is 60 ~ 70, at spherical grinding 12 ~ 24h is ground in machine；Filter, dry to constant weight and add deionized water, with the mixing speed of 1000 ~ 1500 turns/min, stirring Become charcoal slurry；
(2) by viscose ripening；
(3) add the charcoal slurry in step (1), mix homogeneously when step (2) completes, obtain charcoal viscose glue stock solution, The charcoal weight/mass percentage composition of described biological carbon viscose glue stock solution is 0.44-1.31；
(4) by charcoal viscose glue stock solution described in step (3) through filter filter, filter bigger granule or (with) impurity；
(5) spinning；
(6) refine；
(7) drying, the charcoal viscose rayon slow release carbon source filler biological carbon weight/mass percentage composition prepared is 5-15；
(8) it is assembled into combined stuffing with plastic sheet, axial cord.
The method preparing charcoal viscose rayon slow release carbon source filler the most according to claim 6, it is characterised in that: described Particle diameter after charcoal suspension grinds in spherical grinder in step (1) is less than 200 μm.
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CN108341485A (en) * 2017-01-23 2018-07-31 天津大学 The biological delaying basin filler of nitrate nitrogen in a kind of removal rainwater
CN110217894A (en) * 2019-05-23 2019-09-10 北京博泰至淳生物科技有限公司 A kind of slow-release solid carbon source for the fully biodegradable that can directly launch and preparation method and application
CN110894100A (en) * 2019-11-21 2020-03-20 四川大学 Mixed carbon source and preparation method and application thereof
CN113620410A (en) * 2021-08-09 2021-11-09 佛山市南海区苏科大环境研究院 Braided fabric framework biomembrane material for targeted wastewater treatment and preparation method thereof
CN113636650A (en) * 2021-10-19 2021-11-12 广东卓信环境科技股份有限公司 Biological treatment method and system for enhancing sewage denitrification function by carbon-rich magnetic biochar
TWI747680B (en) * 2020-12-23 2021-11-21 國立暨南國際大學 Water pollution remedial tablets
CN114057287A (en) * 2021-12-03 2022-02-18 四川天润德环境工程有限公司 Efficient MBBR biofilm filler and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121514A (en) * 2007-07-27 2008-02-13 邹炎 Water purification active carbon prepared from vegetal castoff and preparation method thereof
CN102553530A (en) * 2011-12-29 2012-07-11 太原工业学院 Honeycomb-shaped microorganism carrier and preparation method thereof
CN104307470A (en) * 2014-09-30 2015-01-28 天津理工大学 Preparation method of cellulose fiber-based active carbon fibers with high adsorption capacity as well as product and application of cellulose fiber-based active carbon fibers with high adsorption capacity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121514A (en) * 2007-07-27 2008-02-13 邹炎 Water purification active carbon prepared from vegetal castoff and preparation method thereof
CN102553530A (en) * 2011-12-29 2012-07-11 太原工业学院 Honeycomb-shaped microorganism carrier and preparation method thereof
CN104307470A (en) * 2014-09-30 2015-01-28 天津理工大学 Preparation method of cellulose fiber-based active carbon fibers with high adsorption capacity as well as product and application of cellulose fiber-based active carbon fibers with high adsorption capacity

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108341485A (en) * 2017-01-23 2018-07-31 天津大学 The biological delaying basin filler of nitrate nitrogen in a kind of removal rainwater
CN107032481B (en) * 2017-05-02 2021-03-30 广东工业大学 Biofilm filler, preparation method thereof and biofilm reactor
CN107055752A (en) * 2017-05-02 2017-08-18 广东工业大学 A kind of biofilm reactor
CN107032481A (en) * 2017-05-02 2017-08-11 广东工业大学 A kind of biofilm packing and preparation method thereof and biofilm reactor
CN107055752B (en) * 2017-05-02 2021-03-30 广东工业大学 Biofilm reactor
CN110217894A (en) * 2019-05-23 2019-09-10 北京博泰至淳生物科技有限公司 A kind of slow-release solid carbon source for the fully biodegradable that can directly launch and preparation method and application
CN110217894B (en) * 2019-05-23 2021-12-14 北京博泰至淳生物科技有限公司 Completely biodegradable slow-release solid carbon source capable of being directly put in and preparation method and application thereof
CN110894100A (en) * 2019-11-21 2020-03-20 四川大学 Mixed carbon source and preparation method and application thereof
CN110894100B (en) * 2019-11-21 2021-04-27 四川大学 Mixed carbon source and preparation method and application thereof
TWI747680B (en) * 2020-12-23 2021-11-21 國立暨南國際大學 Water pollution remedial tablets
CN113620410A (en) * 2021-08-09 2021-11-09 佛山市南海区苏科大环境研究院 Braided fabric framework biomembrane material for targeted wastewater treatment and preparation method thereof
CN113636650A (en) * 2021-10-19 2021-11-12 广东卓信环境科技股份有限公司 Biological treatment method and system for enhancing sewage denitrification function by carbon-rich magnetic biochar
CN114057287A (en) * 2021-12-03 2022-02-18 四川天润德环境工程有限公司 Efficient MBBR biofilm filler and preparation method thereof

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