CN1314481C - Improvement of removing organic matter from refuse percolate - Google Patents
Improvement of removing organic matter from refuse percolate Download PDFInfo
- Publication number
- CN1314481C CN1314481C CNB2005100203007A CN200510020300A CN1314481C CN 1314481 C CN1314481 C CN 1314481C CN B2005100203007 A CNB2005100203007 A CN B2005100203007A CN 200510020300 A CN200510020300 A CN 200510020300A CN 1314481 C CN1314481 C CN 1314481C
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- CN
- China
- Prior art keywords
- epidesmine
- percolate
- organic matter
- raising
- matter ability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000005416 organic matter Substances 0.000 title claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 229920000592 inorganic polymer Polymers 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052678 stilbite Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 4
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000004048 modification Effects 0.000 abstract description 8
- 238000012986 modification Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910001761 stellerite Inorganic materials 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 6
- 229910021536 Zeolite Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010457 zeolite Substances 0.000 description 5
- CQBLUJRVOKGWCF-UHFFFAOYSA-N [O].[AlH3] Chemical compound [O].[AlH3] CQBLUJRVOKGWCF-UHFFFAOYSA-N 0.000 description 4
- 150000001340 alkali metals Chemical group 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- -1 K + Chemical class 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910001603 clinoptilolite Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052675 erionite Inorganic materials 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052677 heulandite Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052645 tectosilicate Inorganic materials 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention discloses a method for improving the capacity of epidesmine of removing organic matters from garbage percolate. The manufacturing method of the modification epidesmine has the following steps that 1) the epidesmine is pulverized and is mixed and uniformly stirred with inorganic polymers which contain iron, wherein the mass ratio of the epidesmine and the inorganic polymer with iron is 10: 1 to 10: 3; 2) the mixture is dried so that the capacity of the modification epidesmine for removing organic matters in the garbage percolate. After the epidesmine is modified by the manufacturing method of the present invention is used, the removal rate COD<cr> in the garbage percolate of the epidesmine is greatly improved, and the Cr<6+> removal rate is larger than 90%; the COD<cr> removal rate is larger than 70%, and the effect of the COD<cr> removal rate is enhanced by more than 45% than that of unmodified epidesmine stellerite; the present invention is suitable for treating the garbage percolate. The epidesmine has big storage capacity and low price, so the production technology of the modification treatment is simple.
Description
(1) technical field:
The present invention relates to a kind of method, particularly improve the method that epidesmine is removed organic matter ability in the percolate the epidesmine modification.
(2) background technology:
City garbage percolate is the secondary pollution that is produced in the garbage loading embeading process, is that a kind of color is greyish black, the organic wastewater of the high concentration of foul smelling smell and complicated component.The main source of its generation is: the infiltration of (1) precipitation and snowfall, and it is the main source that percolate produces; (2) inflow of outside surface water comprises rainwash and surface irrigation; (3) the percolate water level is lower than groundwater level outside the venue in landfill yard, and when seepage control system not being set, underground water just might infiltrate in the landfill yard; (4) the contained moisture of rubbish itself; (5) moisture that in degradation process, produces of rubbish.Organic concentration in the city garbage percolate and various poisonous metal such as Cr
6+Content all higher, the content of COD is generally 1200～45000mg/L, and the standing time of percolate is long more, the difficulty that reduces COD is also just big more.Because percolate will polluted surface water and underground water, and wherein contained heavy metal may enrichment in soil, cause the heavy metal pollution of soil, the percolate that does not therefore reach discharge standard has very big harmfulness to human and vegeto-animal growth.Treated or the undressed percolate of China; major part all directly enters rivers,lakes and seas; along with raising day by day to environmental protection requirement; the aggravation that marine red tide, water of river and lake pollute; control criterion to the percolate discharging is also more and more stricter; many areas require percolate must reach integrated wastewater discharge standard, so the processing of percolate has become a problem that urgency is to be solved.At present the method that adopts usually of disposal of refuse percolate is that it is carried out the method that materialization processing, biochemical treatment, materialization processing combine with biochemical treatment, and wherein the materialization processing has chemical oxidation, flocculation sediment, active carbon adsorption, counter-infiltration, land law etc.; Methods such as biological rotating disk, anaerobic oxidation processing are arranged in the biochemical treatment, but adopt above-mentioned method that percolate is handled, generally all need drop into substantial contribution, adopt complicated, large-scale equipment, so cause its cost very high, investment is big, treatment process is also very complicated, even after treatment, percolate COD concentration is still about 1000mg/L, and Cr
6+Content still very high, still can't reach China's integrated wastewater discharge standard.
(3) summary of the invention:
The present invention will disclose the method that a kind of production cost is low, manufacturing process simple, the raising epidesmine of small investment is removed organic matter ability in the percolate.By to the epidesmine modification, make it can be used for handling COD and noxious material Cr in the sanitary sewage
6+
Zeolite is the aluminosilicate with cellular structure, and its structure type is varied, has a lot of thicknesses to differ in the structure, the form difference is various holes and duct that one dimension, two peacekeeping multidimensional are arranged, the space prosperity, the aperture is 0.3～1nm, and specific area is up to 400-800m
2/ g, chemical general formula are M
sD
y[Al
X+2ySi
N-(x+8)O
8n]
mH
2(M is alkali metal or other monovalent cation to O in the formula; D is alkali metal or other bivalent cation; M-D is commonly referred to as exchangeable ion.Kation S i, Al and oxygen in the bracket constitute the tetrahedron screen work together, are called structural cation).The space structure elementary cell of zeolite is to be built into silicon (oxygen) tetrahedron by four oxygen atoms and silicon or aluminium atomic reactor, in this tetrahedron, the valence link that has in the oxygen atom does not obtain neutralization, make whole aluminum-oxygen tetrahedron have negative electricity, for keeping electroneutral, the positive charge that lacks is by near positively charged cation such as K
+, Na
+, Ca
2+, Mg
2+Come compensation balance in alkali or alkaline-earth metal, these balance cations and hydrone combine not closely with screen work, cation exchange very easily takes place, so these structural characteristics make zeolite have unique absorption and ion-exchange capacity.Natural zeolite can be divided into clinoptilolite, erionite, chabasie, gonnardite, karphostilibite, heulandite, foresite etc.Described epidesmine is a kind of of foresite, originate in the Guilin, it is a kind of moisture alkali metal or the aluminosilicate of alkaline-earth metal, the tectosilicate of forming by silicon-oxy tetrahedron and aluminum-oxygen tetrahedron, to have monovalence not obtain saturated for oxonium ion in its aluminum-oxygen tetrahedron, make whole aluminum-oxygen tetrahedron have negative electrical charge, with near the cation such as the K of positively charged
+, Na
+, Ca
2+, Mg
2+Reach compensation balance in alkali metal or alkaline-earth metal ions; The zeolite cavity of epidesmine and hole account for 40%～50% of its volume, can form very big internal surface area, thereby can store a large amount of lewis' acids.Therefore, generally epidesmine is used for chemical fertilizer, chemical industry additive, also can be used for synthetic 4A molecular sieve, but aspect water treatment, studies show that epidesmine when the disposal of refuse percolate, its COD clearance is low only to be about 25%, and Cr
6+Clearance lower, have only the processing that at all can't directly apply to about 5% to percolate.
The present invention can make it increase substantially the ability that epidesmine is removed COD, thereby in the processing to percolate, can reach good effect by the modification to epidesmine; Raising epidesmine of the present invention is removed the method for organic matter ability in the percolate, and step is as follows:
1) mixes with the epidesmine pulverizing and with the inorganic polymer of iron content, stir; Wherein the mass percent of the inorganic polymer of epidesmine and iron content is 10: 1～10: 3; For reaching best effect, the mass percent of the inorganic polymer of epidesmine and iron content should be 10: 1; The inorganic polymer of wherein said iron content can be the inorganic polymer of iron content arbitrarily, for example: bodied ferric sulfate, polymeric aluminium ferrum silicate etc.; For the inorganic polymer that makes epidesmine and iron content reaches mix uniformly effect preferably, generally epidesmine is crushed to 20～60; The time that stirs the mixture was generally 3～5 hours, preferably reached 4 hours;
2), promptly get and to improve the modified red stilbite of removing organic matter ability in the percolate with the said mixture drying; The temperature of wherein said mixture drying is generally 100～120 ℃, is preferably 110 ℃; The time of mixture drying is 3～5 hours, preferably reaches 3 hours.
After adopting manufacture method of the present invention that epidesmine is carried out modification, can improve it greatly to COD in the percolate
CrClearance, make Cr
6+Clearance greater than 90%; COD
CrClearance is greater than 70%, and its effect improves more than 45% than unmodified epidesmine, very is suitable for the improvement of percolate.And the reserves of epidesmine are big, and low price is fairly simple with the production technology that its modification is handled, and also need not any complexity, large-scale equipment, so its production cost are cheap, can carry out industrialized mass production fully.
(4) specific embodiment:
Embodiment 1:
1) epidesmine is crushed to 20 orders, mixes with polymeric aluminium ferrum silicate, and stirred 3 hours, it is mixed, the epidesmine of wherein selecting for use and the mass ratio of polymeric aluminium ferrum silicate are 10: 1;
2) said mixture was placed 100 ℃ of following dryings 3 hours, promptly get and to improve the modified red stilbite of removing organic matter ability in the percolate.
Embodiment 2:
1) epidesmine is crushed to 40 orders, mixes with polymeric aluminium ferrum silicate, and stirred 5 hours, it is mixed, the epidesmine of wherein selecting for use and the mass ratio of polymeric aluminium ferrum silicate are 10: 3;
2) said mixture was placed 120 ℃ of following dryings 4 hours, promptly get and to improve the modified red stilbite of removing organic matter ability in the percolate.
Embodiment 3:
1) epidesmine is crushed to 60 orders, mixes with bodied ferric sulfate, and stirred 4 hours, it is mixed, the epidesmine of wherein selecting for use and the mass ratio of bodied ferric sulfate are 10: 2;
2) said mixture was placed 110 ℃ of following dryings 5 hours, promptly get and to improve the modified red stilbite of removing organic matter ability in the percolate.
Claims (8)
1, improve the method that epidesmine is removed organic matter ability in the percolate, its step is as follows:
1) mixes with the epidesmine pulverizing and with the inorganic polymer of iron content, stir; Wherein the mass ratio of the inorganic polymer of epidesmine and iron content is 10: 1～10: 3;
2), promptly get and to improve the modified red stilbite of removing organic matter ability in the percolate with the said mixture drying.
2, raising epidesmine according to claim 1 is removed the method for organic matter ability in the percolate, and it is characterized in that: the mass percent of the inorganic polymer of described epidesmine and iron content is 10: 1.
3, raising epidesmine according to claim 1 and 2 is removed the method for organic matter ability in the percolate, and it is characterized in that: the inorganic polymer of described iron content is bodied ferric sulfate or polymeric aluminium ferrum silicate.
4, raising epidesmine according to claim 1 and 2 is removed the method for organic matter ability in the percolate, it is characterized in that: in the step 1), epidesmine is crushed to 20～60 orders.
5, raising epidesmine according to claim 1 and 2 is removed the method for organic matter ability in the percolate, and it is characterized in that: in the step 1), the time of described stirring is 3～5 hours.
6, raising epidesmine according to claim 1 and 2 is removed the method for organic matter ability in the percolate, it is characterized in that: step 2) in, the temperature of described mixture drying is 100～120 ℃; The time of mixture drying is 3～4 hours.
7, raising epidesmine according to claim 5 is removed the method for organic matter ability in the percolate, and it is characterized in that: in the step 1), the time of described stirring is 4 hours.
8, raising epidesmine according to claim 6 is removed the method for organic matter ability in the percolate, it is characterized in that: step 2) in, the temperature of described mixture drying is 110 ℃; The time of mixture drying is 3 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100203007A CN1314481C (en) | 2005-01-27 | 2005-01-27 | Improvement of removing organic matter from refuse percolate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100203007A CN1314481C (en) | 2005-01-27 | 2005-01-27 | Improvement of removing organic matter from refuse percolate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1680016A CN1680016A (en) | 2005-10-12 |
| CN1314481C true CN1314481C (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100203007A Expired - Fee Related CN1314481C (en) | 2005-01-27 | 2005-01-27 | Improvement of removing organic matter from refuse percolate |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513057A (en) * | 2011-12-08 | 2012-06-27 | 复旦大学 | Modified natural stilbite used as hollow glass adsorbent and preparation method thereof |
| CN105129902B (en) * | 2015-09-25 | 2017-04-19 | 中国有色桂林矿产地质研究院有限公司 | Compound mineral material for disposing landfill leachate as well as preparation method and application thereof |
| CN106268628A (en) * | 2016-08-26 | 2017-01-04 | 武汉天源环保股份有限公司 | A kind of preparation method of the high effective and modified adsorbent processing high ammonia nitrogen landfill leachate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046514A (en) * | 1989-04-21 | 1990-10-31 | 曾祥仁 | Treatment method for printing and dyeing waste water |
| CN1308030A (en) * | 2001-03-14 | 2001-08-15 | 蒲重良 | Treatment of industrial and domestic waste water as ecological resource |
| CN1410374A (en) * | 2001-09-29 | 2003-04-16 | 成都市环境保护科学研究所 | Garbage percolation liquid treatment method |
| CN1554602A (en) * | 2003-12-26 | 2004-12-15 | 南京海顿环保技术有限公司 | Method for treating garbage percolation liquid |
-
2005
- 2005-01-27 CN CNB2005100203007A patent/CN1314481C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046514A (en) * | 1989-04-21 | 1990-10-31 | 曾祥仁 | Treatment method for printing and dyeing waste water |
| CN1308030A (en) * | 2001-03-14 | 2001-08-15 | 蒲重良 | Treatment of industrial and domestic waste water as ecological resource |
| CN1410374A (en) * | 2001-09-29 | 2003-04-16 | 成都市环境保护科学研究所 | Garbage percolation liquid treatment method |
| CN1554602A (en) * | 2003-12-26 | 2004-12-15 | 南京海顿环保技术有限公司 | Method for treating garbage percolation liquid |
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| Publication number | Publication date |
|---|---|
| CN1680016A (en) | 2005-10-12 |
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Owner name: GUILIN RESEARCH INSTITUTE OF GEOLOGY FOR MINERAL R Free format text: FORMER NAME: GUILIN MINERALS + GEOLOGIC ACADEMY |
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| CP03 | Change of name, title or address |
Address after: 541004 the Guangxi Zhuang Autonomous Region Guilin auxiliary Star Road, No. 9 Patentee after: CHINA NONFERROUS METAL (GUILIN)GEOLOGY AND MINING Co.,Ltd. Address before: 541004 Mineral Geology Research Institute, No. 2, subsidiary Star Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: Guilin Research Institute of Geology for Mineral Resources |
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