CN107335414A - A kind of biological cleaning carrier for wastewater treatment - Google Patents

A kind of biological cleaning carrier for wastewater treatment Download PDF

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CN107335414A
CN107335414A CN201710793598.8A CN201710793598A CN107335414A CN 107335414 A CN107335414 A CN 107335414A CN 201710793598 A CN201710793598 A CN 201710793598A CN 107335414 A CN107335414 A CN 107335414A
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attapulgite
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biological
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CN107335414B (en
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邵素英
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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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • B01J20/267—Cross-linked polymers
    • 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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • 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
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • 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
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • 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
    • B01J20/205—Carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs
    • 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
    • B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
    • 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
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • 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
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • 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
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials
    • 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
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/4868—Cells, spores, bacteria
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/308—Dyes; Colorants; Fluorescent agents
    • 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
    • Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing

Abstract

The present invention provides a kind of biological cleaning carrier for wastewater treatment, and its preparation method is as follows：The attapulgite of pretreatment is mixed with MBAA in salt solution, and 1 3h is stirred at 50 70 DEG C；Biological macromolecular solution is mixed with above-mentioned mixed solution, above-mentioned solution is heated to 40 60 DEG C, add the activated sludge and 1 3% nanometer ferro manganese composite oxides of attapulgite quality 2 5%, add the CNT stir process of attapulgite quality 2 5% 13 hours, mixing speed is 5 10 turns/min.Mixed liquor is stated then up adds cyclodextrin composite solution, stirred 20 40 minutes at 20 30 DEG C, after 10 DEG C are placed 30 minutes, adjustment temperature is 57 DEG C and keeps carrying out within 40 60 minutes being slowly stirred solidification crosslinking, water is removed into extrusion after said mixture gauze wrapped, rinsed 23 times with 10 20% tannic acid solutions；Said mixture placed 50 70 DEG C of ovens after 8 10 hours, and the present invention can effectively improve the efficiency and ability of sewage disposal.

Description

A kind of biological cleaning carrier for wastewater treatment
The application is the divisional application of following application：The applying date is on July 31st, 2015, Application No. CN201510463278.7。
Technical field
The invention belongs to field of waste water treatment.
Background technology
As modern industry and the rapid development of urbanization, water pollution are on the rise.Method of wastewater treatment mainly has chemistry The precipitation method, electrolysis, ion-exchange, membrane processing method etc., but complex process be present in processing in these methods, it is cumbersome, Operating cost is high, the defects of producing secondary pollution.Develop and using new efficient, less toxic, inexpensive water technology be solution Certainly one of key of water pollution problems.
Attapulgite (also known as palygorskite) is a kind of natural non-metallic mineral material, is a kind of to have chain layer structure The clay mineral of magnesium silicate containing Shuifu County, typical chemical formula Si8Mg6O20(OH)2(OH2)4·4H2O, structure belong to 2:1 type clay pit Thing, each 2:In 1 unit structure layer, tetrahedron chip angle top overturns in direction at a certain distance, forming layer chain.In tetrahedron Bar interband forms the passage parallel with chain, and zeolite water and the crystallization water are filled in passage.Attapulgite fibre structure generally comprises three Individual level：1. basic structural unit is micro- bar-shaped or fibrous monocrystal, abbreviation rod is brilliant.2. the list formed by monocrystalline aggregate parallel Brilliant beam.3. the aggregation formed is mutually accumulated by brilliant beam (including rod is brilliant).The special construction of attapulgite makes it have very big Specific surface area, physical absorption are very capable.On the other hand, attapulgite carries aspect negative electrical charge, and having in Inter layer adsorption can The cation of exchangeability is so that charge balance, such attapulgite are just provided with stronger ionic adsorption exchange capacity.
Attapulgite has a good suspension in water, therefore although attapulgite has a good adsorption capacity, but for For water treatment field, powdered attapulgite can not be direct plungeed into water using, it is necessary to take at certain method Reason.At present, preferable processing method is to use certain immobilized attapulgite of carrier, then puts into water and use.There is inventor to exist A kind of preparation method of absorbent-type macromolecule composite aquogel and products thereof is disclosed in invention【201020595998.1】, utilize Macromolecule hydrogel makees carrier, immobilized attapulgite, so as to play the suction-operated of attapulgite well.But the bumps Rod soil composite aquogel absorption heavy metal ion efficiency is low, adsorbance is small, cleaned after gel adsorption heavy metal ion it is difficult, and Gel does not have sensitiveness to the pH value of solution, can not control the absorption of heavy metal ion by controlling the pH value of solution Amount.
A kind of method of a large amount of production gamma-polyglutamic acids, application number：201110216717.6.A kind of γ of disclosure of the invention- The production method of polyglutamic acid, more particularly to a kind of method of the gamma-polyglutamic acid of a large amount of production high concentrations.The skill of the present invention Art plan explanation is as follows:1. the activation of strain；2. the preparation of seed liquor；3. ferment tank；It is characterized in that by fermenting During add the fed-batch medium being made up of glucose, ammonium nitrate, CaCl26H2O and FeCl36H2O, make fermentation production rate Reach 1.18g/lh, so as to reach the purpose for efficiently preparing big weight gamma-polyglutamic acid.
The patent of invention of the arsenic removal material of entitled a kind of nanometer of ferro manganese composite oxides and preparation method thereof, the invention relate to And the arsenic removal material of a kind of nanometer of ferro manganese composite oxides, it is a nanometer ferro manganese composite oxides, the atom of institute's iron content, manganese and oxygen Than for 4:3:(8~10), wherein manganese are+4 valencys, and iron is+trivalent, and the BET specific surface area of the arsenic removal material is 225~282m2/ G, average grain diameter are 10~20nm.The patent No.：CN201210237752.0.
A kind of devices of magnetic attapulgite wastewater treatment of the such as Chen great Jun, Dong Aijuan, Jiang Zequan：China, A kind of 201120143921.5 devices of magnetic attapulgite wastewater treatment of [P] .2011-12-14. this patent offers, are realized Dynamic Adsorption of the magnetic attapulgite in water process, and used with pulverulence, eliminate the trouble of granulation.And overcome The problem of attapulgite difficult separation in aqueous phase, without adding heavy agent of wadding a quilt with cotton magnetic attapulgite can be made to be isolated from aqueous phase Come, eliminate the secondary pollution for being possible to bring because adding heavy agent of wadding a quilt with cotton.It is concavo-convex that the i.e. controllable magnetic of wastewater flow is adjusted simultaneously Rod soil and the action time of waste water, reach optimal adsorption effect, it is recessed magnetic can also to be changed according to the concentration of useless impurities in water The addition of convex rod soil, to realize that the utilization ratio of magnetic attapulgite is optimal.
Li Yan China is a kind of for the attapulgite modified and preparation method thereof of sewage disposal：China, 201410383602.X [P] .2014-12-10. this patented invention is a kind of for the attapulgite modified of sewage disposal, by attapulgite Acrylamide is added, adds the flocculation reaction to water pollutant；By adding ammonium molybdate, ammonium chloride, cetyl front three Base ammonium bromide, adds adsorptivity.The attapulgite activation degree is high, it is modified uniformly, excellent performance, suitable for waste water control, Excellent adsorption, do not produce secondary pollution.The filler of coating, rubber is can also be used to simultaneously, not only suspension is good, and thixotropy is good, But also there is rustless property.
The method that surfactant-modified attapulgite removes heavy metal in percolate：The patent No. 201410744321.2 this patent disclose a kind of surfactant-modified attapulgite to remove heavy metal in percolate Method, heavy metal in percolate is purified using the attapulgite after surfactant-modified.This method energy Effectively the heavy metal in percolate is adsorbed, its percolate removal efficiency of heavy metals ratio is used only original recessed The efficiency of convex rod soil improves 30%, and is better than traditional adsorption method.
A kind of threonine modified attapulgite earth adsorbing and its using .201410453968.X, this patent disclose one The preparation method of kind threonine modified attapulgite earth adsorbing, using conventional chemical agent threonine to from unique point Dissipate, the attapulgite of the colloidal nature that high temperature resistant, salt resistance alkali etc. are good and higher adsorption bleaching ability is modified, obtain pair Printing dye and heavy metal wastewater thereby have the attapulgite modified absorption of excellent adsorption capacity.The adsorbent of preparation to dyeing waste water and Heavy metal wastewater thereby has excellent adsorption capacity, wherein may be up to 650 and 1380mg/ to methylene blue and acid fuchsin saturated extent of adsorption G, it is 143mg/g and 81mg/g to the saturated extent of adsorption of copper and chromium heavy metal wastewater thereby.
Application study [J] the Informations of bodied ferric sulfate composite flocculation agent in the treatment of waste water, 2012 (6)：77-79. This document proposes a kind of preparation technology of attapulgite-bodied ferric sulfate composite flocculation agent, as a result shows bodied ferric sulfate There are good flocculation and treatment effect to waste water with the attapulgite modified composite flocculation agent prepared for raw material.By to it CODcr clearances and turbidity removal rate in sanitary wastewater are compared, and obtain the optimal preparation technology bar of composite flocculation agent Part：Attapulgite heat treatment temperature is 400 DEG C, recombination reaction temperature 50 C, attapulgite dosage 2.0g/L, compound reaction time Between be 4h.
Primary Study is applied in the preparation of attapulgite clay/carbon composite easypro Xu Ling and its water pollution processing, is published in Yangzhou University, 2013. this document are prepared concave convex rod as raw material using attapulgite clay and sucrose and glued by hydrothermal synthesis reaction Soil/carbon composite, can efficient absorption and go in water removal dissolubility micro quantity organic pollutant and toxic heavy metal from Son.As a result show that carbon is coated on concave convex rod plane of crystal in the form of amorphous carbon, hydrophilic organofunctional occur in material Group so that its organophilic can have significant improvement.In hydro-thermal reaction, reaction time, temperature, pH and concave convex rod glue Soil and the ratio of carbon source quality have a significant impact to the absorption property of attapulgite clay/carbon composite.
The synthesis of Chen Hui, Qiang Yinghuai, Yin Hui attapulgites/polyacrylamide hybrid flocculant and its flocculating properties research [J] nonmetallic ores, 2011,34 (2):36-39. this document uses the method that ultrasonic wave disperses, N- methacryls-N '- Pyrimidine piperazine (MPMP) and potassium peroxydisulfate (K2S2O8) composition redox system under, trigger acrylamide monomer (AM) in acid Graft polymerization reaction occurs for attapulgite modified (ATP) surface, generates attapulgite grafted polyacrylamide hybrid flocculant (ATP/PAM).It is dirty by the real life that sewage and solid content 5.2% are simulated to 2.5wt% kaolin, 5wt% bloodstone Water process finds that ATP/PAM flocculates, and the alumen ustum sinking speed to be formed is fast, and flocculation time is short, and caused sludge quantity is few, very big It is better than common PAM in the range of addition, the efficiency and ability of sewage disposal can be effectively improved.
The content of the invention
It is an object of the invention to provide a kind of biological cleaning carrier for wastewater treatment, can prepare by the following method：
The attapulgite of pretreatment is mixed with a bromoacetic acid in salt solution, and 1-3h is stirred at 50-70 DEG C；By biological high score Sub- solution is mixed with above-mentioned mixed solution, and above-mentioned solution is heated into 40-60 DEG C, adds attapulgite quality 2-5% activity The nanometer ferro manganese composite oxides of sludge and 1-3%, the CNT stir process 1-3 for adding attapulgite quality 2-5% are small When, mixing speed is that 5-10 turns/min.Mixed liquor is stated then up and adds cyclodextrin composite solution, and 20-40 is stirred at 20-30 DEG C Minute, after 10 DEG C are placed 30 minutes, adjustment temperature is -5-7 DEG C and is kept for 40-60 minutes carry out being slowly stirred solidification crosslinking, will Water is removed in extrusion after said mixture gauze wrapped.Rinsed 2-3 times with volume ratio 10-20% tannic acid solutions；Said mixture After placing 50-70 DEG C of oven 8-10 hour.
Preferably in the oven stage：Mixture is warming up to 85 DEG C of guarantors after placing 50-70 DEG C of oven 8-10 hour Hold 2-5 minutes cool to 50-70 DEG C keep 1 hour.
The ratio of the attapulgite of pretreatment and a bromoacetic acid is 10:4-8.
The salt solution is KCl and polyvinyl alcohol solution, and KCl mass concentrations are 2-5%, and polyvinyl alcohol mass concentration is 3-8%.
The preparation method of CNT is：Methanol aqueous solution weight is added in the methanol aqueous solution that volume ratio is 10-25% 20-30% CNT is measured, immersion treatment 30-50 minutes, then centrifugation, collects sediment.
The addition of the biological macromolecular solution is 2-8 times of attapulgite quality.
The preparation method of biological macromolecular solution is as follows：
By the polyglutamic acid zymotic fluid that fermented and cultured obtains with Ganoderma Lucidum fermented and cultured liquid according to 1:6-8 is mixed, then Heating is concentrated to the 10-40% of mixed volume.
The polyglutamic acid zymotic fluid is conventionally cultivated with Ganoderma Lucidum fermentation culture.
The concentration of activated sludge is 3000-5000mg/L；
Containing weight than the cyclodextrin and 35-45% boric acid for 8-15% in cyclodextrin composite solution.
The pretreatment of attapulgite.The attapulgite of the mesh of the mesh of particle diameter 300~1000, it is by attapulgite addition volumetric concentration 15-35% methanol solution, control temperature is in 45-50 DEG C of Electric Pulse Treatment；Supernatant liquor then is taken after precipitation 1-2 hours, on Continue 500rpm centrifugation 1min after adding a small amount of distilled water well mixed in layer clear liquid, then take its supernatant liquor, so wash repeatedly After washing supernatant liquor 3~5 times, finally it is centrifuged with 2000-3000r/min, takes its precipitation, be dried in vacuo at 90 DEG C 24h, by the sieving of the mesh sieve of the mesh of particle diameter 200~400 after grinding, it is stand-by to collect attapulgite.
Electric Pulse Treatment condition is as follows：High-voltage pulse handles 5-10 minutes；High-pressure pulse electric (PEF) processing parameter is preferable Ground is：Electric-field intensity 20-40kV/cm, burst length 400-600 μ s, pulse frequency 200-300Hz.
Beneficial effect：
Compared with prior art, its remarkable advantage is the present invention：(1) adsorbent energy efficient absorption obtained by the inventive method is clear Except the pollutant in waste water, such as heavy metal ion, dyestuff and petrochemical industry pollutant.(2) crosslinking adsorbent be with intensity and Stability, secondary pollution will not be caused to water body, and adsorbent elastic effect is good, abrasion strength resistance is high；(3) raw material sources are rich Richness, simple production process, raw material easy processing, technique are easy to grasp.
Embodiment 1
It is an object of the invention to provide a kind of biological cleaning carrier for wastewater treatment.Technical scheme is as follows:
The preparation method of the biological cleaning carrier for wastewater treatment is as follows：
The attapulgite of pretreatment is mixed with a bromoacetic acid in salt solution, and 2h is stirred at 60 DEG C；Boiomacromolecule is molten Liquid is mixed with above-mentioned mixed solution, and above-mentioned solution is heated into 50 DEG C, adds the activated sludge and 2% of attapulgite quality 4% Nanometer ferro manganese composite oxides, add the CNT stir process of attapulgite quality 4% 2 hours, mixing speed 8 Turn/min.Mixed liquor is stated then up and adds cyclodextrin composite solution, is stirred 30 minutes at 25 DEG C, is placed 30 minutes at 10 DEG C Afterwards, it is that 7 DEG C of holdings carry out being slowly stirred solidification crosslinking for 50 minutes to adjust temperature, is gone being extruded after said mixture gauze wrapped Water.Rinsed 3 times with 15% tannic acid solution；Said mixture placed 60 DEG C of ovens after 10 hours.
The ratio of the attapulgite of pretreatment and a bromoacetic acid is：10:6.
The salt solution is KCl and polyvinyl alcohol solution, and KCl mass concentrations are 4%, and polyvinyl alcohol mass concentration is 5%.
The preparation method of CNT is：Methanol aqueous solution weight is added in the methanol aqueous solution that volume ratio is 15% 25% CNT, immersion treatment 30-50 minutes, then centrifugation, collect deposit.
The addition of the biological macromolecular solution is 6 times of attapulgite quality.
The preparation method of biological macromolecular solution is as follows：
By the polyglutamic acid zymotic fluid that fermented and cultured obtains with Ganoderma Lucidum fermented and cultured liquid according to 1:7 mixing, are then adopted The 30% of mixed volume is concentrated to concentrator.
The polyglutamic acid zymotic fluid is conventionally cultivated with Ganoderma Lucidum fermentation culture.
The concentration of activated sludge is 4000mg/L；
Boric acid containing 14% cyclodextrin and 42% in cyclodextrin composite solution.
The pretreatment of attapulgite.The attapulgite of the mesh of the mesh of particle diameter 300~1000, it is by attapulgite addition volumetric concentration 25% methanol solution, control temperature is in 45-50 DEG C of Electric Pulse Treatment；Then precipitation takes supernatant liquor, supernatant liquor after 1 hour In plus a small amount of distilled water it is well mixed after continue 500rpm centrifugation 1min, then take its supernatant liquor, so wash upper strata repeatedly After clear liquid 3~5 times, finally it is centrifuged with 2200r/min, takes its precipitation, 24h is dried in vacuo at 90 DEG C, is pressed after grinding The sieving of the mesh sieve of the mesh of particle diameter 200~300, it is stand-by to collect attapulgite.
Electric Pulse Treatment condition is as follows：High-voltage pulse is handled 6 minutes；High-pressure pulse electric (PEF) processing parameter is preferably For：Electric-field intensity 30kV/cm, burst length 500 μ s, pulse frequency 200Hz.
Embodiment 2
It is an object of the invention to provide a kind of biological cleaning carrier for wastewater treatment.Technical scheme is as follows:
The preparation method of the biological cleaning carrier for wastewater treatment is as follows：
The attapulgite of pretreatment is mixed with a bromoacetic acid in salt solution, and 3h is stirred at 50 DEG C；Boiomacromolecule is molten Liquid is mixed with above-mentioned mixed solution, and above-mentioned solution is heated into 40 DEG C, adds the activated sludge and 1% of attapulgite quality 5% Nanometer ferro manganese composite oxides, add the CNT stir process of attapulgite quality 5% 1 hour, mixing speed 5 Turn/min.Mixed liquor is stated then up and adds cyclodextrin composite solution, is stirred 40 minutes at 20 DEG C, is placed 30 minutes at 10 DEG C Afterwards, adjust temperature and be -5 DEG C and keep carrying out within 60 minutes being slowly stirred solidification crosslinking, by said mixture with being extruded after gauze wrapped Remove water.Rinsed 2 times with the tannic acid solution of volume ratio 10%；Said mixture placed 55 DEG C of ovens after 10 hours.
The ratio of the attapulgite of pretreatment and a bromoacetic acid is：10:4.
The salt solution is KCl and polyvinyl alcohol solution, and KCl mass concentrations are 2%, and polyvinyl alcohol mass concentration is 3%.
The preparation method of CNT is：Methanol aqueous solution weight is added in the methanol aqueous solution that volume ratio is 10% 30% CNT, immersion treatment 30 minutes, then centrifugation, collect deposit.
The addition of the biological macromolecular solution is 8 times of attapulgite quality.
The preparation method of biological macromolecular solution is as follows：
By the polyglutamic acid zymotic fluid that fermented and cultured obtains with Ganoderma Lucidum fermented and cultured liquid according to 1:8 mixing, are then adopted The 10% of mixed volume is concentrated to concentrator.
The polyglutamic acid zymotic fluid is conventionally cultivated with Ganoderma Lucidum fermentation culture.
The concentration of activated sludge is 5000mg/L；
Boric acid containing 15% cyclodextrin and 45% in cyclodextrin composite solution.
The pretreatment of attapulgite.The attapulgite of the mesh of the mesh of particle diameter 300~1000, it is by attapulgite addition volumetric concentration 35% methanol solution, control temperature is in 45-50 DEG C of Electric Pulse Treatment；Then precipitation takes supernatant liquor, supernatant liquor after 1 hour In plus a small amount of distilled water it is well mixed after continue 500rpm centrifugation 1min, then take its supernatant liquor, so wash upper strata repeatedly After clear liquid 3~5 times, finally it is centrifuged with 2000r/min, takes its precipitation, 24h is dried in vacuo at 90 DEG C, is pressed after grinding The sieving of the mesh sieve of the mesh of particle diameter 200~400, it is stand-by to collect attapulgite.
Electric Pulse Treatment condition is as follows：High-voltage pulse is handled 10 minutes；High-pressure pulse electric (PEF) processing parameter is preferably For：Electric-field intensity 40kV/cm, burst length 400 μ s, pulse frequency 300Hz.
Embodiment 3
It is an object of the invention to provide a kind of biological cleaning carrier for wastewater treatment.Technical scheme is as follows:
The preparation method of the biological cleaning carrier for wastewater treatment is as follows：
The attapulgite of pretreatment is mixed with a bromoacetic acid in salt solution, and 1h is stirred at 50 DEG C；Boiomacromolecule is molten Liquid is mixed with above-mentioned mixed solution, and above-mentioned solution is heated into 40 DEG C, adds the activated sludge and 1% of attapulgite quality 2% Nanometer ferro manganese composite oxides, add attapulgite quality 2-5% CNT stir process 1 hour, mixing speed 5 Turn/min.Mixed liquor is stated then up and adds cyclodextrin composite solution, is stirred 20 minutes at 20 DEG C, is placed 30 minutes at 10 DEG C Afterwards, it is that 7 DEG C of holdings carry out being slowly stirred solidification crosslinking for 60 minutes to adjust temperature, is gone being extruded after said mixture gauze wrapped Water.Rinsed 2 times with the tannic acid solution of volume ratio 10%；Mixture places 70 DEG C of ovens and 85 DEG C of holdings 5 is warming up to after 8 hours Minute cools to 70 DEG C and kept for 1 hour.
The ratio of the attapulgite of pretreatment and a bromoacetic acid is：10:4.
The salt solution is KCl and polyvinyl alcohol solution, and KCl mass concentrations are 2%, and polyvinyl alcohol mass concentration is 3%.
The preparation method of CNT is：Methanol aqueous solution weight is added in the methanol aqueous solution that volume ratio is 10% 20% CNT, immersion treatment 50 minutes, then centrifugation, collect deposit.
The addition of the biological macromolecular solution is 4 times of attapulgite quality.
The preparation method of biological macromolecular solution is as follows：
By the polyglutamic acid zymotic fluid that fermented and cultured obtains with Ganoderma Lucidum fermented and cultured liquid according to 1:7 mixing, are then adopted The 10% of mixed volume is concentrated to concentrator.
The polyglutamic acid zymotic fluid is conventionally cultivated with Ganoderma Lucidum fermentation culture.
The concentration of activated sludge is 3000mg/L；
Boric acid containing 8% cyclodextrin and 35% in cyclodextrin composite solution.
The pretreatment of attapulgite.The attapulgite of the mesh of the mesh of particle diameter 300~500, it is by attapulgite addition volumetric concentration 25% methanol solution, control temperature is in 45-50 DEG C of Electric Pulse Treatment；Then supernatant liquor is taken after precipitation 1-2 hours, upper strata is clear Continue 500rpm centrifugation 1min after adding a small amount of distilled water well mixed in liquid, its supernatant liquor is then taken, so repeatedly in washing After layer clear liquid 3~5 times, finally it is centrifuged with 3000r/min, takes its precipitation, 24h is dried in vacuo at 90 DEG C, after grinding By the sieving of the mesh sieve of the mesh of particle diameter 200~400, it is stand-by to collect attapulgite.
Electric Pulse Treatment condition is as follows：High-voltage pulse is handled 5 minutes；High-pressure pulse electric (PEF) processing parameter is preferably For：Electric-field intensity 20kV/cm, burst length 400 μ s, pulse frequency 300Hz.
The preparation method of polyglutamic acid zymotic fluid also can be with the following method：
Using bacillus licheniformis (Bacillus licheniformis).
The fermentation process is：30L fermentation tanks liquid amount is 15L, uses above-mentioned fermentation medium, the inoculum concentration of seed liquor For 1.0%~15.0%, 30~40 DEG C of fermentation temperature, fermentation time 24~72 hours, 0.5~2.0vvm of ventilation, dissolved oxygen 1~ 50%, 200~400rpm of rotating speed.
Fermentation medium composition is (g/L)：Glucose 80, sodium glutamate 80, ammonium nitrate 18, NaCl 10, MgSO4·6H2O 0.5, CaCl2·6H2O 1.0, FeSO4·6H2O 0.01, arginine 0.44, histidine 0.26. threonines 0.5, methionine 0.4, choline 0.1, glutamine 0.5, pyridoxol 0.001.
Using effect is tested：
Experiment 1
5L, which is added to, with this adsorbent 20g contains Pb:150mg/L and Zn:260mg/L,Ni2+:In 90mg/L waste water, 45 points The ion concentration of Zhong Houyong inductance coupled plasma optical emission spectrographic determination heavy metal in waste water is Pb:13.3mg/L and Zn: 12.6mg/L.Ni2+:6.5mg/L
Experiment 2
50L, which is added to, with this adsorbent 50g contains Ni2+:850mg/L and Cu2+:100mg/L it is useless in, used after 30 minutes The ion concentration of inductively coupled plasma emission spectrography measure heavy metal in waste water is Ni2+:5.8mg/L and Cu2+: 3.3mg/L。
Experiment 3
Be added to 150L with this adsorbent 100g and contain containing peacock green and crystal violet concentration be 125mg/L composite waste In, vibration absorption 30 minutes, percent of decolourization is measured as 95% and 97%.
Experiment 4
It is added to this adsorbent 60g in the wastewater containing phenol that 100L contains 60mg/L, 0.6h uses AAS after It is 1.5mg/L to determine phenol in wastewater concentration.

Claims (7)

1. a kind of biological cleaning carrier for wastewater treatment, it is characterised in that the biological cleaning carrier is by following preparation method It is prepared：The attapulgite of pretreatment is mixed with a bromoacetic acid in salt solution, and 1-3h is stirred at 50-70 DEG C；Will be biological high Molecular solution is mixed with above-mentioned mixed solution, and above-mentioned solution is heated into 40-60 DEG C, adds attapulgite quality 2-5% work Property sludge and 1-3% nanometer ferro manganese composite oxides, add attapulgite quality 2-5% CNT stir process 1- 3h, mixing speed 5-10r/min；Mixed liquor is stated then up and adds cyclodextrin composite solution, and 20-40 is stirred at 20-30 DEG C Minute, after 10 DEG C are placed 30 minutes, adjustment temperature is -5-7 DEG C and is kept for 40-60 minutes carry out being slowly stirred solidification crosslinking, will Water is removed in extrusion after said mixture gauze wrapped；Rinsed 2-3 times with volume ratio 10-20% tannic acid solutions；Said mixture After placing 50-70 DEG C of oven 8-10 hour；
The preparation method of wherein biological macromolecular solution is as follows：The polyglutamic acid zymotic fluid that fermented and cultured obtains and Ganoderma Lucidum are sent out Ferment culture liquid is according to 1:6-8 is mixed, and is subsequently heated the 10-40% for being concentrated to mixed volume；
The pretreatment of attapulgite：The attapulgite of the mesh of the mesh of particle diameter 300~1000, it is 15- by attapulgite addition volumetric concentration 35% methanol solution, control temperature is in 45-50 DEG C of Electric Pulse Treatment；Then supernatant liquor is taken after precipitation 1-2 hours, upper strata is clear Continue 500rpm centrifugation 1min after adding a small amount of distilled water well mixed in liquid, its supernatant liquor is then taken, so repeatedly in washing After layer clear liquid 3~5 times, finally it is centrifuged with 2000-3000r/min, takes its precipitation, be dried in vacuo 24h at 90 DEG C, grind By the sieving of the mesh sieve of the mesh of particle diameter 200~400 after mill, it is stand-by to collect attapulgite；
Electric Pulse Treatment condition is as follows：High-voltage pulse handles 5-10 minutes；High-pressure pulse electric processing parameter is preferably：Electric field Intensity 20-40kV/cm, burst length 400-600 μ s, pulse frequency 200-300Hz.
2. the biological cleaning carrier according to claim 1 for wastewater treatment, it is characterised in that, the pretreatment it is recessed The ratio of convex rod soil and a bromoacetic acid is 10:4-8.
3. the biological cleaning carrier according to claim 1 or 2 for wastewater treatment, it is characterised in that, the salt solution is KCl and polyvinyl alcohol solution, KCl mass concentrations are 2-5%, and polyvinyl alcohol mass concentration is 3-8%.
4. the biological cleaning carrier according to claim 1 for wastewater treatment, it is characterised in that the preparation of CNT Method is：Methanol aqueous solution weight 20-30% CNT, leaching are added in the methanol aqueous solution that volume ratio is 10-25% Bubble processing 30-50 minutes, then centrifugation, collect sediment.
5. the biological cleaning carrier for wastewater treatment according to claim 1 or 4, it is characterised in that the biology is high The addition of molecular solution is 2-8 times of attapulgite quality.
6. the biological cleaning carrier according to claim 1 for wastewater treatment, it is characterised in that cyclodextrin composite solution In containing weight than the cyclodextrin and 35-45% boric acid for 8-15%.
7. the biological cleaning carrier according to claim 1 for wastewater treatment, it is characterised in that the biological cleaning carrier It is prepared by following preparation method：The attapulgite of pretreatment is mixed with a bromoacetic acid in salt solution, and 1h is stirred at 50 DEG C； Biological macromolecular solution is mixed with above-mentioned mixed solution, above-mentioned solution is heated to 40 DEG C, adds attapulgite quality 2% Activated sludge and 1% nanometer ferro manganese composite oxides, the CNT stir process 1 for adding attapulgite quality 2-5% are small When, mixing speed 5r/min；Mixed liquor is stated then up and adds cyclodextrin composite solution, is stirred 20 minutes at 20 DEG C, 10 After DEG C placing 30 minutes, adjustment temperature is 7 DEG C and keeps carrying out within 60 minutes being slowly stirred solidification crosslinking, by said mixture gauze Water is removed in extrusion after parcel；Rinsed 2 times with the tannic acid solution of volume ratio 10%；Mixture is placed 70 DEG C of ovens and risen after 8 hours Temperature cools to 70 DEG C for 5 minutes to 85 DEG C of holdings and kept for 1 hour；
The ratio of the attapulgite of pretreatment and a bromoacetic acid is 10:4；
The salt solution is KCl and polyvinyl alcohol solution, and KCl mass concentrations are 2%, and polyvinyl alcohol mass concentration is 3%；
The preparation method of CNT is：Methanol aqueous solution weight 20% is added in the methanol aqueous solution that volume ratio is 10% CNT, immersion treatment 50 minutes, then centrifugation, collect deposit；
The addition of the biological macromolecular solution is 4 times of attapulgite quality；
The preparation method of biological macromolecular solution is as follows：The polyglutamic acid zymotic fluid that fermented and cultured obtains and Ganoderma Lucidum fermentation are trained Nutrient solution body is according to 1:7 mixing, are then concentrated to the 10% of mixed volume using concentrator；
The polyglutamic acid zymotic fluid is conventionally cultivated with Ganoderma Lucidum fermentation culture；
The concentration of activated sludge is 3000mg/L；
In cyclodextrin composite solution containing cyclodextrin of the weight than 8% and weight the boric acid than 35%；
The pretreatment of attapulgite：The attapulgite of the mesh of the mesh of particle diameter 300~500, it is 25% that attapulgite is added into volumetric concentration Methanol solution, control temperature in 45-50 DEG C of Electric Pulse Treatment；Then supernatant liquor is taken after precipitation 1-2 hours, in supernatant liquor Continue 500rpm centrifugation 1min after adding a small amount of distilled water well mixed, then take its supernatant liquor, it is clear so to wash upper strata repeatedly After liquid 3~5 times, finally it is centrifuged with 2000-3000r/min, takes its precipitation, 24h is dried in vacuo at 90 DEG C, after grinding By the sieving of the mesh sieve of the mesh of particle diameter 200~400, it is stand-by to collect attapulgite；
Electric Pulse Treatment condition is as follows：High-voltage pulse is handled 5 minutes；High-pressure pulse electric (PEF) processing parameter is preferably：Electricity Field intensity 20kV/cm, burst length 400 μ s, pulse frequency 300Hz.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1385402A (en) * 2002-07-01 2002-12-18 左广胜 Composite microbial bacteria adsorbent
CN101721976A (en) * 2009-12-17 2010-06-09 云南恩典科技产业发展有限公司 Antimicrobial adsorbent for selectively absorbing carbon monoxide and aldehydes in smoke and application thereof in wrap paper
CN101934223A (en) * 2010-08-12 2011-01-05 中国科学院生态环境研究中心 Preparation method for composite crosslinked adsorbent for waste water treatment
CN102688752A (en) * 2012-05-28 2012-09-26 云南大学 Preparation method and application of Beta-cyclodextrin grafted carbon nano tube adsorbing material
CN103524674A (en) * 2013-10-17 2014-01-22 滁州友林科技发展有限公司 Method for preparing composite hydrogel for adsorbing heavy metal ions and product thereof
CN103585975A (en) * 2013-10-29 2014-02-19 江苏大学 Preparation method of beta-cyclodextrin/mesoporous attapulgite composite adsorbent
CN104194571A (en) * 2014-09-25 2014-12-10 芜湖县双宝建材有限公司 Anti-corrosion and anti-impact coating

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522312A (en) * 1978-08-03 1980-02-18 Mitsubishi Rayon Co Ltd Preparation of oil-containing waste water treating materials
CN101229506A (en) * 2007-10-26 2008-07-30 暨南大学 Heavy metal biological sorbent, preparing method and applications thereof
CN101766273B (en) * 2008-12-31 2013-11-06 陈秀男 Mushroom polysaccharide composite
CN101816923B (en) * 2010-04-07 2012-09-05 东北林业大学 Method for preparing metal ion adsorbent
CN102268465B (en) * 2011-07-29 2013-05-08 天津北洋百川生物技术有限公司 Method for massively producing gamma-poly-glutamic acid
CN103007631A (en) * 2011-09-27 2013-04-03 徐立农 Composite fiber filter material and production process thereof
CN102745792B (en) * 2012-07-11 2013-09-18 中国地质大学（武汉） Arsenic-removing material of nano ferrimanganic composite oxide and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1385402A (en) * 2002-07-01 2002-12-18 左广胜 Composite microbial bacteria adsorbent
CN101721976A (en) * 2009-12-17 2010-06-09 云南恩典科技产业发展有限公司 Antimicrobial adsorbent for selectively absorbing carbon monoxide and aldehydes in smoke and application thereof in wrap paper
CN101934223A (en) * 2010-08-12 2011-01-05 中国科学院生态环境研究中心 Preparation method for composite crosslinked adsorbent for waste water treatment
CN102688752A (en) * 2012-05-28 2012-09-26 云南大学 Preparation method and application of Beta-cyclodextrin grafted carbon nano tube adsorbing material
CN103524674A (en) * 2013-10-17 2014-01-22 滁州友林科技发展有限公司 Method for preparing composite hydrogel for adsorbing heavy metal ions and product thereof
CN103585975A (en) * 2013-10-29 2014-02-19 江苏大学 Preparation method of beta-cyclodextrin/mesoporous attapulgite composite adsorbent
CN104194571A (en) * 2014-09-25 2014-12-10 芜湖县双宝建材有限公司 Anti-corrosion and anti-impact coating

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