CN1587082A - Composite natural micro porous material sewage treating agent - Google Patents
Composite natural micro porous material sewage treating agent Download PDFInfo
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- CN1587082A CN1587082A CN 200410080293 CN200410080293A CN1587082A CN 1587082 A CN1587082 A CN 1587082A CN 200410080293 CN200410080293 CN 200410080293 CN 200410080293 A CN200410080293 A CN 200410080293A CN 1587082 A CN1587082 A CN 1587082A
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- sewage
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- porous material
- micro porous
- sewage treating
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- 239000010865 sewage Substances 0.000 title claims abstract description 78
- 239000012229 microporous material Substances 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 13
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010457 zeolite Substances 0.000 claims abstract description 13
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 15
- DDFYFBUWEBINLX-UHFFFAOYSA-M tetramethylammonium bromide Chemical compound [Br-].C[N+](C)(C)C DDFYFBUWEBINLX-UHFFFAOYSA-M 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- -1 aluminium chlorohydroxide Chemical compound 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 15
- 150000001412 amines Chemical class 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 150000002500 ions Chemical class 0.000 abstract description 10
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 9
- 239000011148 porous material Substances 0.000 abstract description 5
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 4
- 239000003463 adsorbent Substances 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000005303 weighing Methods 0.000 description 12
- 238000001179 sorption measurement Methods 0.000 description 11
- 238000005189 flocculation Methods 0.000 description 9
- 230000016615 flocculation Effects 0.000 description 9
- 238000004062 sedimentation Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 229960000935 dehydrated alcohol Drugs 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
- 230000031018 biological processes and functions Effects 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical group O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229960004756 ethanol Drugs 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The composite natural microporous sewage treating agent is for treatment of sewage containing heavy metal ion, phenol, amine and other organic pollutant. The present invention features that the composite natural microporous sewage treating agent consists of diatomite of 0.1-10 micron granularity in 50-70 wt%, zeolite of 1-4 nm granularity in 20-40 wt%, and bentonite of 10-50 nm granularity in 0-15 wt%. The present invention selects cheap natural microporous material with excellent adsorbing performance and different pores as adsorbent carrier, and modifies the microporous material to prepare sewage treating agent suitable for various sewage quality. The present invention has excellent sewage treating effect.
Description
Technical field
The present invention relates to a kind of to containing the treatment agent of heavy metal ion and organic pollutant sewage such as phenol, amine.
Background technology
The discharging of trade effluent and city domestic sewage has caused comparatively serious environmental pollution, and the improvement of sewage has become one of most important problem of environment protection.Existing sewage disposal technology mainly adopts biological process, method of chemical treatment, physical treatment process.Wherein physics, chemical method sewage treatment technology, though invest little, take up an area of less, equipment is simple because the interpolation of various flocculation agents, the dope that the water layer bottom forms can not thoroughly separate to be taken away, forms a large amount of mud, still causes secondary pollution when finally discharging.And flocculation agent has only throwing out in sewage treatment process, do not have adsorption, and is therefore undesirable to the removal of organism and nitrogen.Biological process (comparatively common with activated sludge process) technology is ripe, and organic pollutant in the removal sewage and nutritive substance nitrogen, phosphorus etc. are effective, but the COD clearance is low, the removal of heavy metal ions weak effect, and investment is big, occupation of land is many, energy consumption is high.The a large amount of mud of same generation are difficult to handle, and still easily produce the secondary pollution problem.Also have the mutation of activated sludge process in addition and improve one's methods, as common aeration, A-B method, A/O method, oxidation ditch process, SBR method or the like, but build with working cost all higher, and all can not disposable recovery pollutent, sewage treatment effect is not good, and causes secondary pollution.Causing the major cause of above-mentioned shortcoming, is that existing sewage-treating agent can not be finished absorption, flocculation and filteration simultaneously, and filteration is mainly finished by mechanical effect; In addition, existing sewage-treating agent mostly is Chemicals, and material is relatively more expensive, causes sewage work's operation cost height, makes that the Sewage Plant operation is difficult, and some sewage works are in halted state.Efficient ways is to seek the novel sewage treatment agent that is fit to sewage disposal, and this sewage-treating agent can adapt to existing sewage treatment process, possess absorption, flocculation again simultaneously and filter multi-functional, and should be cheap and easy to get.
The object of the present invention is to provide a kind of novel sewage treatment agent and composite modifying method thereof that possesses absorption, flocculation, sedimentation, filtration multi-functional.This sewage-treating agent is to be composited by natural micro porous material, and material source is extensive, and is with low cost; Can be adsorbed with organic pollutants and metal ion simultaneously; Can be fit to existing sewage treatment process, also can establish one's own system and carry out sewage disposal; Because of material itself has good filtering function, but the pollutent press filtration becomes cake, has avoided producing the secondary pollution that a large amount of mud cause.
Summary of the invention
The present invention is directed in the existing sewage treatment process, the operation cost height of material and technology, same process wait until that to heavy metal ion and phenol, amine characteristics such as secondary pollution are efficiently removed, easily caused to the difficulty while to multiple pollutent, chosen different apertures natural micro porous material cheap and that have good adsorption properties, as adsorbing agent carrier, and to the poromerics modification, prepare the sewage-treating agent that is fit to multiple sewage quality, this sewage-treating agent can be fit to existing sewage treatment process, also can establish one's own system and carry out sewage disposal, the better effects if of disposing of sewage of establishing one's own system.
Composite natural micro porous material sewage treating agent is characterized in that, comprises that weight percent is 50～70% diatomite, its granularity 100nm～10 μ m; 20～40% zeolite, its granularity 40 dusts～1nm; 0～15% wilkinite, its granularity 10nm～50nm.
Described composite natural micro porous material sewage treating agent is characterized in that, can also add weight percent and be 0.10～0.30% cetyl trimethylammonium bromide (CTAB); Perhaps weight percent be 0.15～0.40% 4 bromide (TMAB) for or CTAB and TMAB mixed weight per-cent be 0.1～0.3%, the two ratio is CTAB: TMAB=3: one of select for 2 three kinds.
Described composite natural micro porous material sewage treating agent is characterized in that, can also add SDS (sodium cetanesulfonate) and PAC (aluminium chlorohydroxide) mixed weight per-cent is 1.0～5.0%, and the two ratio is SDS: PAC=1: 4.
Described composite natural micro porous material sewage treating agent is characterized in that, can also add PFC (alkali formula iron(ic) chloride) and be 1.0～3.0% or PAM (poly-propionic acid amide) be .001～0.005%, its per-cent is weight percentage.
The present invention determines the composition of sewage-treating agent according to the characteristics (aperture and specific surface area) of above-mentioned three kinds of natural micro porous materials, and the pore diameter range of diatomite micropore is that 100nm～10 μ m, specific surface area are 40～70m
2/ g, poor to the adsorption of metal ions of small-particle, the adaptability of selective adsorption and various sewage qualities is lower, but strainability is good; Wilkinite (major ingredient is a montmorillonite) pore diameter range is 10nm～50nm, and specific surface area is 100～180m
2/ g, it is better to handle the particulate pollutent, to metal ion and CN
-Advantages of good adsorption effect, but certain viscosity is arranged, filterableness is relatively poor; The zeolite pore scope is 40 dusts～1nm, and specific surface area is 200～450m
2/ g, stronger to the supporting capacity of the selective adsorption of heavy metal ion and bacterium, proportion is bigger.
To reaching the natural micro porous material of certain purity, carry out corresponding modification and compound according to sewage characteristic.
The purpose of modification is to improve in the diatomite hole and the electronegativity on surface; Increase zeolite, montmorillonite ion-exchange capacity.
At the more sewage of organic content, carry out CTMAB, TMAB modification.The composition content of properties-correcting agent is 100% in natural micro porous material (three kinds of poromerics compound), and wherein CTAB is 0.10～0.30%; Or TMAB is 0.15～0.40%; Or the two combination, it is 0.1～0.3% that CTAB and TMAB mix gross weight, the two ratio is CTAB: TMAB=3: 2.
At the more sewage of heavy metal ion, it is compound to carry out the SDS+PAC modification, and the composition content of properties-correcting agent is 100% in natural micro porous material (two or three poromerics compound), wherein SDS and PAC total amount are 1.0～5.0%, and the two ratio is SDS: PAC=1: 4.
It is composite modified to carry out PFC+PAM at high suspended matter sewage, and the composition content of properties-correcting agent is 100% in natural micro porous material (two or three poromerics compound), and wherein PFC is 1.0～3.0%, and PAM is 0.001～0.005%.
Contain the sewage of multiple pollutent at processing, to diatomite and the zeolite proportion of composing with different apertures, do suitably to adjust, its principle is that ionic pollutent is many, and the zeolite ratio increases, and the big diatomite consumption of contaminant particle increases.
The preparation method of the composite natural micro porous material sewage treating agent that provides may further comprise the steps:
(1) be 50～70% diatomite with weight percent, 20～40% zeolite, 0～15% wilkinite places the high speed kneader, stirs 10～15 minutes, is heated to 90～120 ℃ therebetween;
(2) by above-mentioned composite natural micro porous material sewage treating agent preparation properties-correcting agent;
(3) properties-correcting agent for preparing is joined in the high speed kneader, continued heated and stirred 15～20 minutes, wherein CTAB, TMAB adopt alcohol dilution; SDS is 40～45% solution with ethanol preparation weight percent concentration; PAC, PFC, PAM adopt dry powder directly to add.
Adopt the principle of this treating sewage by sewage treating agent
Natural micro porous material sewage treating agent, after adding water and stirring in advance, join in the sewage lagoon, under the pump machine blade rotation of high-speed stirring or soil pick-up water, be scattered in the water body, in the uneven current potential on micropore sewage-treating agent surface and the charging property of suspended ion, its current potential that repels each other is weakened, and form floc sedimentation or be condensed into big wadding flower with sewage-treating agent, because the specific surface area that material is huge, pore volume and stronger adsorptive power can be adsorbed onto the fine material in the sewage poromerics surface and hole inside.The floc sedimentation particle is relied on the power settlement action for support and is precipitated at the bottom of the pond rapidly, and separates with cleaning water body after handling, and sediment becomes that pie is packed to be taken away.The sediment that obtains after disposing of sewage, recycling or recovery poromerics wherein.
Its basic role is neutralization, flocculation, absorption, filtration etc.
(1) the natural micro porous material sewage treating agent surface of neutralizing effect modification has uneven current potential, in sewage, can neutralize with charged contaminants, break original balance electric field, weaken the repulsion between charged contaminants, impel the charged contaminants sedimentation in the water to gather, and be attached to the poromerics surface, by gravity settling, separate with water body.
(2) throwing out is according to the natural micro porous material sewage treatment flocculating agent of the different preparations of water quality, in the sewage water body, can more promptly catch pollutent, with high-efficiency activated natural micropore sewage-treating agent is core, form firm flocculation group, by the bigger ratio resedimentation of high-efficiency activated natural micropore sewage-treating agent, separate with water body.
(3) the nanometer micropore structure of the high-efficiency activated natural micropore sewage-treating agent of adsorption, has remarkable adsorptive power, can be adsorbed onto the diatomite surface to flocculation group, mushroom, virus and the fine particle in the water body, form bigger chain type or group's formula structure, by gravity settling separation.
(4) the high-efficiency activated natural micropore sewage-treating agent of filteration can form certain thickness slag blanket in specific appliance arrangement, sewage must could be discharged through this slag blanket, as filtered beer, virus big in the sewage, mushroom, flocculation group, particle are intercepted and captured in this process, discharged with slag.
Sewage-treating agent of the present invention is processed development by natural micro porous material, the material cheapness, and the sewage disposal operation cost is low; Natural micro porous material has good penetration to water quality, but the mud press filtration becomes cake, avoids the secondary pollution of mud; The combination of the natural micro porous material in different apertures makes sewage-treating agent when playing filtration, throwing out to the poly-effect of the richness of pollutents such as bacterium, fungi, protista, can be used as microorganism carriers such as bacterial digestion.For handle difficult degradation, difficult biochemical, to contain antibiotic waste water control effect remarkable.
Embodiment
Embodiment 1: take by weighing the smart soil of 2400g diatomite, 1120g zeolite (A type), 480g swelling, put into GRH-15 high speed kneader, heated and stirred 10 minutes, treat that material temperature rises to 95 ℃ after, continue to stir 5 minutes.Take by weighing CTAB and the TMAB of 6g and 4g respectively, pour in the 200ml beaker, add dehydrated alcohol 20ml, after dissolving stirs, join in the GRH-15 high speed kneader, reheat 10 minutes takes out and is one of composite modified natural micro porous material sewage treating agent.
To containing phenol, amine etc. is that main sewage carries out adsorption treatment, and wherein the concentration of phenol, amine is 50mg/l, and the consumption of sewage-treating agent is 0.8% of a sewage weight.Sewage-treating agent and the effect of sewage dispersed with stirring be after 30 minutes, during to adopt sodium hydroxide to regulate pH be 7-8, sedimentation is filtered, analytically the content of phenol, amine in the clear liquid.Wherein the clearance of phenol is 92%; The amine clearance is 83%.
Embodiment 2: take by weighing the smart soil of 2000g diatomite, 1400g zeolite (A type), 600g swelling, put into GRH-15 high speed kneader, heated and stirred 10 minutes, treat that material temperature rises to 95 ℃ after, continue to stir 5 minutes.Take by weighing CTAB and the TMAB of 6g and 4g respectively, pour in the 200ml beaker, add dehydrated alcohol 20ml, after dissolving stirs, join in the GRH-15 high speed kneader, reheat 10 minutes takes out and is two of composite modified natural micro porous material sewage treating agent.
To containing phenol, amine etc. is that main sewage carries out adsorption treatment, and wherein the concentration of phenol, amine is 50mg/l, and the consumption of sewage-treating agent is 0.8% of a sewage weight.Sewage-treating agent and the effect of sewage dispersed with stirring be after 30 minutes, during to adopt sodium hydroxide to regulate pH be 7-8, sedimentation is filtered, analytically the content of phenol, amine in the clear liquid.Wherein the clearance of phenol is 90%; The amine clearance is 85%.
Embodiment 3: take by weighing the smart soil of 2000g diatomite, 1400g zeolite (A type), 600g swelling, put into GRH-15 high speed kneader, heated and stirred 10 minutes, treat that material temperature rises to 95 ℃ after, continue to stir 5 minutes.Taking by weighing 40g SDS pours in the 200ml beaker, add dehydrated alcohol 80ml, after dissolving stirs, join in the GRH-15 high speed kneader, take by weighing 160g PAC again, join in the GRH-15 high speed kneader, restir took out and is three of composite modified natural micro porous material sewage treating agent after 10 minutes.
To containing phenol, amine etc. is that main sewage carries out adsorption treatment, and wherein the concentration of phenol, amine is 50mg/l, and the consumption of sewage-treating agent is 0.8% of a sewage weight.Sewage-treating agent and the effect of sewage dispersed with stirring be after 30 minutes, during to adopt sodium hydroxide to regulate pH be 7-8, sedimentation is filtered, analytically the content of phenol, amine in the clear liquid.Wherein the clearance of phenol is 89%; The amine clearance is 82%.
Embodiment 4: take by weighing 2400g diatomite, 1600g zeolite (A type), put into GRH-15 high speed kneader, heated and stirred 10 minutes, treat that material temperature rises to 95 ℃ after, continue to stir 5 minutes.Taking by weighing 40g SDS pours in the 200ml beaker, add dehydrated alcohol 80ml, after dissolving stirs, join in the GRH-15 high speed kneader, take by weighing 160g PAC again, join in the GRH-15 high speed kneader, restir took out and is four of composite modified natural micro porous material sewage treating agent after 10 minutes.
To containing heavy metal ion Pb
2+, Cd
2+, Zn
2+And Cr
3+Deng sewage carry out adsorption treatment, wherein concentration of heavy metal ion is 20mg/l, the consumption of sewage-treating agent is 0.8% of a sewage weight.Sewage-treating agent and the effect of sewage dispersed with stirring be after 30 minutes, during to adopt sodium hydroxide to regulate pH be 8-9, sedimentation is filtered, analytically heavy metal ion content in the clear liquid.Pb wherein
2+, Cd
2+The clearance of P is 90%; Zn
2+Clearance be 93%; Cr
3+Clearance be 86%.
Embodiment 5: take by weighing 2800g diatomite, 1200g zeolite (A type), put into GRH-15 high speed kneader, heated and stirred 10 minutes, treat that material temperature rises to 95 ℃ after, continue to stir 5 minutes.Take by weighing the PFC of 80g respectively and be 2.0g PAM, join in the GRH-15 high speed kneader, reheat 10 minutes takes out and is five of composite modified natural micro porous material sewage treating agent.
Sanitary sewage to side bilge is handled.The major ingredient of sewage: COD is that 586mg/l, BOD are that 254.43mg/l, SS are that 960mg/l, TN are that 43.60mg/l, TP are 9.58mg/l; Treating processes is with implementing 2, and it is 7-8.5 that sodium hydroxide is regulated pH.Wherein the COD clearance 95.4%; The clearance 92.6% of BOD; The clearance of SS is 100%; The clearance 78.7% of TN; The clearance 90.8% of TP.
Claims (4)
1, composite natural micro porous material sewage treating agent is characterized in that, comprises that weight percent is 50～70% diatomite, its granularity 100nm～10 μ m; 20～40% zeolite, its granularity 40 dusts～1nm; 0～15% wilkinite, its granularity 10nm～50nm.
2, composite natural micro porous material sewage treating agent according to claim 1 is characterized in that, can also add weight percent and be 0.10～0.30% cetyl trimethylammonium bromide (CTAB); Perhaps weight percent be 0.15～0.40% 4 bromide (TMAB) for or CTAB and TMAB mixed weight per-cent be 0.1～0.3%, the two ratio is CTAB: TMAB=3: one of select for 2 three kinds.
3, composite natural micro porous material sewage treating agent according to claim 1, it is characterized in that, can also add SDS (sodium cetanesulfonate) and PAC (aluminium chlorohydroxide) mixed weight per-cent is 1.0～5.0%, the two ratio is SDS: PAC=1: 4.
4, composite natural micro porous material sewage treating agent according to claim 1 is characterized in that, can also add PFC (alkali formula iron(ic) chloride) and be 1.0～3.0% or PAM (poly-propionic acid amide) be .001～0.005%, its per-cent is weight percentage.
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| CN 200410080293 CN1587082A (en) | 2004-09-30 | 2004-09-30 | Composite natural micro porous material sewage treating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410080293 CN1587082A (en) | 2004-09-30 | 2004-09-30 | Composite natural micro porous material sewage treating agent |
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|---|---|
| CN1587082A true CN1587082A (en) | 2005-03-02 |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352773C (en) * | 2006-01-20 | 2007-12-05 | 华南理工大学 | Sewage treatment device and sewage treatment method with diatomite as flocculation core |
| CN100453471C (en) * | 2007-04-24 | 2009-01-21 | 浙江三鼎科技有限公司 | Preparation method for organic polymer-diatomaceous soil composite coagulating agent |
| CZ301084B6 (en) * | 2006-08-01 | 2009-11-04 | Friedl@František | Use of diatomaceous earth-based material as ingredient for increasing wettability in cooling liquids of machine tools and in compositions for treating surfaces prior coating |
| CN101935125A (en) * | 2010-08-27 | 2011-01-05 | 北京工业大学 | Method for processing alkaline-surfactant-polymer flooding oilfield injection water |
| CN101844005B (en) * | 2009-03-27 | 2012-05-23 | 奇迪电器集团有限公司 | Filter medium for removing benzene and homologous compounds thereof from drinking water and preparation method thereof |
| CN102908997A (en) * | 2012-10-10 | 2013-02-06 | 暨南大学 | Compound water treatment agent and preparation method and application of water treatment agent |
| CN105060374A (en) * | 2015-09-28 | 2015-11-18 | 宁波高新区巴艺新材料科技有限公司 | Treatment method of power plant circulating sewage |
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