CN106629969A - Adsorption material used for removing heavy metal ions in landfill leachate, and preparation method thereof - Google Patents
Adsorption material used for removing heavy metal ions in landfill leachate, and preparation method thereof Download PDFInfo
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- CN106629969A CN106629969A CN201610983387.6A CN201610983387A CN106629969A CN 106629969 A CN106629969 A CN 106629969A CN 201610983387 A CN201610983387 A CN 201610983387A CN 106629969 A CN106629969 A CN 106629969A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
- B01J20/0288—Halides of compounds other than those provided for in B01J20/046
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
- B01J20/0296—Nitrates of compounds other than those provided for in B01J20/04
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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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/046—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing halogens, e.g. halides
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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
- B01J20/02—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
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
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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
- 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
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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Abstract
The invention discloses an adsorption material used for removing heavy metal ions in landfill leachate. A preparation method comprises following steps: zeolite is washed with an ethanol solution, a nitric acid solution, a NaOH solution, acetone, and deionized water so as to obtain a substance A; the substance A is modified with a mixed solution prepared from MgCl2, PbCl2, Cd(NO3)2, and Co(NO3)2 so as to obtain a substance B; the substance B is modified with a mixed liquid prepared from glucosamine, propionic acid, sulfobutyl ether-beta-cyclodextrin, dimethyl sulfoxide, tert butyl alcohol, and TMBDA so as to obtain a substance C; the substance C is modified with a mixed liquid product prepared from epoxy chloropropane, 1,3-bis(trimethylsilyl)urea, and 3-mercaptopropyl methyl dimethyldiethoxylsilane so as to obtain the adsorption material used for removing heavy metal ions in landfill leachate.
Description
Technical field
The invention belongs to technical field of landfill leachate treatment, more particularly to it is a kind of remove in percolate heavy metal from
The sorbing material and preparation technology of son.
Background technology
Percolate is a kind of high-concentration waste containing a large amount of pathogenic microorganisms, heavy metal and toxic organicses
Water, with complicated component, nutrition than row imbalance, water quality and quantity change greatly, harmfulness greatly the features such as, deal with improperly understand serious harm
Human body health.Organic matter in percolate is mainly by the soluble humus of macromolecular, and the sallow of medium molecule is mould
The VFA of acid and small molecule, water humus composition, the oxygen content that can cause surface water body declines,
Water degradation, body eutrophication, have a strong impact on the water source of drinking water and agricultural water, reduce the value of water resource.Rubbish
Contain many kinds of metal ions in rubbish loading embeading percolation liquid, these metal ions can largely suppress at the biochemistry of percolate
Reason process, if the heavy metal ion in percolate is entered in animal and plant body by some modes, travels further into human body
It is interior, then can the serious harm mankind and vegeto-animal life security.Therefore, the effective refuse leachate treatment technology of exploiting economy,
With great society, economy and Significance for Environment.At present, conventional refuse leachate treatment technology have Physical, chemical method and
Bioanalysis.Materialization treatment process mainly includes absorption, stripping, coagulation, chemical deposition, chemical oxidation and UF membrane etc., wherein adsorbing
Technology can to a great extent reduce organic matter in percolate, nitrate, ammonia nitrogen, heavy metal ion equal size, due to tool
Have the advantages that quick, expense is low, treatment effeciency is high, easy to operate receive significant attention.But, also lack in garbage filter at present
Cheap, the efficient sorbing material of liquid advanced treating, therefore, exploitation removes the sorbing material of heavy metal ion in percolate
It is significant to percolate advanced treating.
The content of the invention
It is an object of the invention to provide a kind of sorbing material for removing heavy metal ion in percolate, its preparation method
Comprise the following steps that：
(1) the 99.27g zeolite granulars that particle diameter is 4～6mm are added into the second that 250mL mass percent concentrations are 95%
In alcoholic solution, stir 50 minutes under the conditions of 1000r/min, be filtered to remove liquid, Jing after the washing of 400mL deionized waters thing is obtained
Matter A0, substance A 0 is added in the salpeter solution that 250mL molar concentrations are 1.6mol/L, is stirred under the conditions of 1000r/min
35 minutes, liquid is removed after filtration and obtains substance A 1, substance A 1 be added to after being washed with 400mL deionized waters 250mL mole it is dense
In spending the NaOH solution for 2.1mol/L, stir 35 minutes under the conditions of 1000r/min, liquid is removed after filtration and obtains material
A2, substance A 2 is added in 200mL acetone after being washed with 200mL deionized waters, stirs 15 minutes under the conditions of 1000r/min,
Liquid is removed after filtration and obtains substance A 3, substance A 3 places 50 points after being washed with 400mL deionized waters in 105 DEG C of drying box
Clock, is subsequently placed in Muffle furnace roasting 45 minutes under the conditions of 485 DEG C, obtains substance A；
(2) by 8.89 grams of MgCl2With 6.21 grams of PbCl2In being added to 850mL deionized waters, stir under the conditions of 1000r/min
Mix 3 minutes, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor K1, mixed liquor K2, mixed liquor K3, mixed liquor K4, mixed liquor K5；
(3) by 30mL molar concentrations for 0.44mol/L Cd (NO3)2Solution and 70mL molar concentrations are for 0.73mol/L's
CoNO3Solution is added in mixed liquor K1, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L1, uses molar concentration
The pH value of mixed liquor L1 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M1；
(4) substance A is added in mixed liquor M1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance B 1, and substance B 1 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 2；
(5) by 40mL molar concentrations for 0.46mol/L CdCNO3)2Solution and 60mL molar concentrations are for 0.63mol/L's
CoNO3Solution is added in mixed liquor K2, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L2, uses molar concentration
The pH value of mixed liquor L2 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M2；
(6) substance B 2 is added in mixed liquor M2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance B 3, and substance B 3 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 4；
(7) by 50mL molar concentrations for 0.51mol/L Cd (NO3)2Solution and 50mL molar concentrations are for 0.53mol/L's
CoNO3Solution is added in mixed liquor K3, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L3, uses molar concentration
The pH value of mixed liquor L3 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M3；
(8) substance B 4 is added in mixed liquor M3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance B 5, and substance B 5 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 6；
(9) by 60mL molar concentrations for 0.56mol/L Cd (NO3)2Solution and 40mL molar concentrations are for 0.43mol/L's
CoNO3Solution is added in mixed liquor K4, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L4, uses molar concentration
The pH value of mixed liquor L4 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M4；
(10) substance B 6 is added in mixed liquor M4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance B 7, and substance B 7 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 8；
(11) by 70mL molar concentrations for 0.61mol/L Cd (NO3)2Solution and 30mL molar concentrations are for 0.33mol/L's
CoNO3Solution is added in mixed liquor K5, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L5, uses molar concentration
The pH value of mixed liquor L5 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M5；
(12) substance B 8 is added in mixed liquor M4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance B 7, and substance B 7 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B；
(13) 9.53g gucosamines are added in the propionic acid solution that 900mL mass percent concentrations are 6.5%,
Stir 3 minutes under the conditions of 1000r/min, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor N1, mixed liquor N2, mixed liquor N3, mixed
Close liquid N4, mixed liquor N5；
(14) 7.29 grams of Sulfobutyl ether β _ cyclodextrins and 50mL dimethyl sulfoxide (DMSO)s are added in the 250mL tert-butyl alcohols,
Stir 3 minutes under the conditions of 1000r/min, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor O1, mixed liquor O2, mixed liquor O3, mixed
Close liquid O4, mixed liquor O5；
(15) mixed liquor O1 and 17mL tetramethyl butane diamine is added in mixed liquor N1, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P1；
(16) substance B is added in mixed liquor P1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance C 1, and substance C 1 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of conditions
Lower roasting 45 minutes, obtains substance C 2；
(17) mixed liquor O2 and 16mL tetramethyl butane diamine is added in mixed liquor N2, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P2；
(18) substance C 2 is added in mixed liquor P2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 3, and substance C 3 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes under part, obtain substance C 4；
(19) mixed liquor O3 and 15mL tetramethyl butane diamine is added in mixed liquor N3, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P3；
(20) substance C 4 is added in mixed liquor P3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 5, and substance C 5 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes under part, obtain substance C 6；
(21) mixed liquor O4 and 14mL tetramethyl butane diamine is added in mixed liquor N4, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P4；
(22) substance C 6 is added in mixed liquor P4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 7, and substance C 7 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes under part, obtain substance C 8；
(23) mixed liquor O5 and 13mL tetramethyl butane diamine is added in mixed liquor N5, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P5；
(24) substance C 8 is added in mixed liquor P5, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 8, and substance C 8 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes, obtain substance C under part；
(25) 25mL epoxychloropropane is added in 800mL deionized waters under 1000r/min stirring conditions,
Stir 3 minutes under the conditions of 1000r/min, be subsequently adding 4.4 grams of silicon ureas of hexamethyl two, 5 parts of equivalent is divided into after shaking up, mixed
Liquid Q1, mixed liquor Q2, mixed liquor Q3, mixed liquor Q4, mixed liquor Q；
(26) 5.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q1, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R1；
(27) substance C is added in mixed liquor R1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains material D1, and material D1 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D2；
(28) 4.7 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q2, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R2；
(29) material D2 is added in mixed liquor R2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D3, and material D3 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D4；
(30) 4.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q3, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R3；
(31) material D4 is added in mixed liquor R3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D5, and material D5 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D6；
(32) 3.7 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q4, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R4；
(33) material D6 is added in mixed liquor R4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D7, and material D7 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D8；
(34) 3.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q5, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R5；
(35) material D8 is added in mixed liquor R4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D9, and material D9 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, the material for obtaining as removes garbage filter
The sorbing material of heavy metal ion in liquid.
The invention has the beneficial effects as follows, the obtained sorbing material for removing heavy metal ion in percolate has environment
Friendly, high to the heavy metal contaminants adsorption efficiency in percolate the features such as.
Specific embodiment
The invention provides a kind of sorbing material for removing heavy metal ion in percolate, below by an example
To illustrate to apply process in fact.
Embodiment 1.
(1) the 99.27g zeolite granulars that particle diameter is 4～6mm are added into the second that 250mL mass percent concentrations are 95%
In alcoholic solution, stir 50 minutes under the conditions of 1000r/min, be filtered to remove liquid, Jing after the washing of 400mL deionized waters thing is obtained
Matter A0, substance A 0 is added in the salpeter solution that 250mL molar concentrations are 1.6mol/L, is stirred under the conditions of 1000r/min
35 minutes, liquid is removed after filtration and obtains substance A 1, substance A 1 be added to after being washed with 400mL deionized waters 250mL mole it is dense
In spending the NaOH solution for 2.1mol/L, stir 35 minutes under the conditions of 1000r/min, liquid is removed after filtration and obtains material
A2, substance A 2 is added in 200mL acetone after being washed with 200mL deionized waters, stirs 15 minutes under the conditions of 1000r/min,
Liquid is removed after filtration and obtains substance A 3, substance A 3 places 50 points after being washed with 400mL deionized waters in 105 DEG C of drying box
Clock, is subsequently placed in Muffle furnace roasting 45 minutes under the conditions of 485 DEG C, obtains substance A；
(2) by 8.89 grams of MgCl2With 6.21 grams of PbCl2In being added to 850mL deionized waters, stir under the conditions of 1000r/min
Mix 3 minutes, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor K1, mixed liquor K2, mixed liquor K3, mixed liquor K4, mixed liquor K5；
(3) by 30mL molar concentrations for 0.44mol/L Cd (NO3)2Solution and 70mL molar concentrations are for 0.73mol/L's
CoNO3Solution is added in mixed liquor K1, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L1, uses molar concentration
The pH value of mixed liquor L1 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M1；
(4) substance A is added in mixed liquor M1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance B 1, and substance B 1 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 2；
(5) by 40mL molar concentrations for 0.46mol/L Cd (NO3)2Solution and 60mL molar concentrations are for 0.63mol/L's
CoNO3Solution is added in mixed liquor K2, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L2, uses molar concentration
The pH value of mixed liquor L2 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M2；
(6) substance B 2 is added in mixed liquor M2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance B 3, and substance B 3 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 4；
(7) by 50mL molar concentrations for 0.51mol/L Cd (NO3)2Solution and 50mL molar concentrations are for 0.53mol/L's
CoNO3Solution is added in mixed liquor K3, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L3, uses molar concentration
The pH value of mixed liquor L3 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M3；
(8) substance B 4 is added in mixed liquor M3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance B 5, and substance B 5 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 6；
(9) by 60mL molar concentrations for 0.56mol/L Cd (NO3)2Solution and 40mL molar concentrations are for 0.43mol/L's
CoNO3Solution is added in mixed liquor K4, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L4, uses molar concentration
The pH value of mixed liquor L4 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M4；
(10) substance B 6 is added in mixed liquor M4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance B 7, and substance B 7 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B 8；
(11) by 70mL molar concentrations for 0.61mol/L Cd (NO3)2Solution and 30mL molar concentrations are for 0.33mol/L's
CoNO3Solution is added in mixed liquor K5, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L5, uses molar concentration
The pH value of mixed liquor L5 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M5；
(12) substance B 8 is added in mixed liquor M4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance B 7, and substance B 7 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain substance B；
(13) 9.53g gucosamines are added in the propionic acid solution that 900mL mass percent concentrations are 6.5%,
Stir 3 minutes under the conditions of 1000r/min, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor N1, mixed liquor N2, mixed liquor N3, mixed
Close liquid N4, mixed liquor N5；
(14) 7.29 grams of Sulfobutyl ether β _ cyclodextrins and 50mL dimethyl sulfoxide (DMSO)s are added in the 250mL tert-butyl alcohols,
Stir 3 minutes under the conditions of 1000r/min, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor O1, mixed liquor O2, mixed liquor O3, mixed
Close liquid O4, mixed liquor O5；
(15) mixed liquor O1 and 17mL tetramethyl butane diamine is added in mixed liquor N1, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P1；
(16) substance B is added in mixed liquor P1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains substance C 1, and substance C 1 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of conditions
Lower roasting 45 minutes, obtains substance C 2；
(17) mixed liquor O2 and 16mL tetramethyl butane diamine is added in mixed liquor N2, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P2；
(18) substance C 2 is added in mixed liquor P2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 3, and substance C 3 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes under part, obtain substance C 4；
(19) mixed liquor O3 and 15mL tetramethyl butane diamine is added in mixed liquor N3, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P3；
(20) substance C 4 is added in mixed liquor P3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 5, and substance C 5 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes under part, obtain substance C 6；
(21) mixed liquor O4 and 14mL tetramethyl butane diamine is added in mixed liquor N4, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P4；
(22) substance C 6 is added in mixed liquor P4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 7, and substance C 7 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes under part, obtain substance C 8；
(23) mixed liquor O5 and 13mL tetramethyl butane diamine is added in mixed liquor N5, is stirred under the conditions of 1000r/min
Mix 3 minutes, obtain mixed liquor P5；
(24) substance C 8 is added in mixed liquor P5, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains substance C 8, and substance C 8 is placed 35 minutes in 105 DEG C of drying box, is subsequently placed in Muffle furnace in 485 DEG C of bars
Roasting 45 minutes, obtain substance C under part；
(25) 25mL epoxychloropropane is added in 800mL deionized waters under 1000r/min stirring conditions,
Stir 3 minutes under the conditions of 1000r/min, be subsequently adding 4.4 grams of silicon ureas of hexamethyl two, 5 parts of equivalent is divided into after shaking up, mixed
Liquid Q1, mixed liquor Q2, mixed liquor Q3, mixed liquor Q4, mixed liquor Q；
(26) 5.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q1, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R1；
(27) substance C is added in mixed liquor R1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Body obtains material D1, and material D1 is put Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Put 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D2；
(28) 4.7 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q2, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R2；
(29) material D2 is added in mixed liquor R2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D3, and material D3 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D4；
(30) 4.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q3, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R3；
(31) material D4 is added in mixed liquor R3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D5, and material D5 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D6；
(32) 3.7 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q4, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R4；
(33) material D6 is added in mixed liquor R4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D7, and material D7 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, obtain material D8；
(34) 3.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q5, under the conditions of 1000r/min
Stirring 3 minutes, obtains mixed liquor R5；
(35) material D8 is added in mixed liquor R4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove
Liquid obtains material D9, and material D9 is Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Place 38 minutes, be subsequently placed in Muffle furnace roasting 48 minutes under the conditions of 475 DEG C, the material for obtaining as removes garbage filter
The sorbing material of heavy metal ion in liquid.
Be presented herein below has carried out adsorption Removal with sorbing material obtained in the inventive method to percolate, enters one
The step explanation present invention.
Sorbing material obtained in the inventive method is adsorbed to percolate, is as a result shown：Work as percolate
When the initial concentration of middle copper is 187.2mg/L, 7.5g is added in 1000mL percolates with obtained in the inventive method
After sorbing material, adsorption time is 20 minutes, and concentration is reduced to 0.2mg/L after process.
Claims (1)
1. it is a kind of remove percolate in heavy metal ion sorbing material, it is characterised in that prepare the adsorption material method
Comprise the following steps that：
(1) the 99.27g zeolite granulars that particle diameter is 4～6mm are added into the ethanol that 250mL mass percent concentrations are 95% molten
In liquid, stir 50 minutes under the conditions of 1000r/min, be filtered to remove liquid, Jing after the washing of 400mL deionized waters material is obtained
A0, substance A 0 is added in the salpeter solution that 250mL molar concentrations are 1.6mol/L, and 35 are stirred under the conditions of 1000r/min
Minute, liquid being removed after filtration and obtains substance A 1, substance A 1 is added to 250mL molar concentrations after being washed with 400mL deionized waters
In for the NaOH solution of 2.1mol/L, stir 35 minutes under the conditions of 1000r/min, liquid removed after filtration and obtains substance A 2,
Substance A 2 is added in 200mL acetone after being washed with 200mL deionized waters, stirs 15 minutes under the conditions of 1000r/min, filters
Liquid being removed afterwards and obtaining substance A 3, substance A 3 is placed 50 minutes after being washed with 400mL deionized waters in 105 DEG C of drying box,
Roasting 45 minutes under the conditions of 485 DEG C are subsequently placed in Muffle furnace, substance A is obtained；
(2) by 8.89 grams of MgCl2With 6.21 grams of PbCl2In being added to 850mL deionized waters, 3 are stirred under the conditions of 1000r/min
Minute, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor K1, mixed liquor K2, mixed liquor K3, mixed liquor K4, mixed liquor K5；
(3) by 30mL molar concentrations for 0.44mol/L Cd (NO3)2Solution and the CoNO that 70mL molar concentrations are 0.73mol/L3
Solution is added in mixed liquor K1, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L1, is with molar concentration
The pH value of mixed liquor L1 is adjusted to 6.8～7.2 by the hydrochloric acid solution of 0.01mol/L and the NaOH solution of 0.01mol/L, is mixed
Liquid M1；
(4) substance A is added in mixed liquor M1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid and obtain
To substance B 1, substance B 1 places 38 Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Minute, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain substance B 2；
(5) by 40mL molar concentrations for 0.46mol/L Cd (NO3)2Solution and the CoNO that 60mL molar concentrations are 0.63mol/L3
Solution is added in mixed liquor K2, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L2, is with molar concentration
The pH value of mixed liquor L2 is adjusted to 6.8～7.2 by the hydrochloric acid solution of 0.01mol/L and the NaOH solution of 0.01mol/L, is mixed
Liquid M2；
(6) substance B 2 is added in mixed liquor M2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid and obtain
To substance B 3, substance B 3 places 38 Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Minute, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain substance B 4；
(7) by 50mL molar concentrations for 0.51mol/L Cd (NO3)2Solution and the CoNO that 50mL molar concentrations are 0.53mol/L3
Solution is added in mixed liquor K3, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L3, is with molar concentration
The pH value of mixed liquor L3 is adjusted to 6.8～7.2 by the hydrochloric acid solution of 0.01mol/L and the NaOH solution of 0.01mol/L, is mixed
Liquid M3；
(8) substance B 4 is added in mixed liquor M3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid and obtain
To substance B 5, substance B 5 places 38 Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Minute, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain substance B 6；
(9) by 60mL molar concentrations for 0.56mol/L Cd (NO3)2Solution and the CoNO that 40mL molar concentrations are 0.43mol/L3
Solution is added in mixed liquor K4, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L4, is with molar concentration
The pH value of mixed liquor L4 is adjusted to 6.8～7.2 by the hydrochloric acid solution of 0.01mol/L and the NaOH solution of 0.01mol/L, is mixed
Liquid M4；
(10) substance B 6 is added in mixed liquor M4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Substance B 7 is obtained, substance B 7 is placed Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
38 minutes, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain substance B 8；
(11) by 70mL molar concentrations for 0.61mol/L Cd (NO3)2Solution and 30mL molar concentrations are for 0.33mol/L's
CoNO3Solution is added in mixed liquor K5, is stirred 3 minutes under the conditions of 1000r/min, obtains mixed liquor L5, uses molar concentration
The pH value of mixed liquor L5 is adjusted to 6.8～7.2 by the NaOH solution of hydrochloric acid solution and 0.01mol/L for 0.01mol/L, is mixed
Close liquid M5；
(12) substance B 8 is added in mixed liquor M4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Substance B 7 is obtained, substance B 7 is placed Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
38 minutes, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain substance B；
(13) 9.53g gucosamines are added in the propionic acid solution that 900mL mass percent concentrations are 6.5%, in 1000r/
Under the conditions of min stir 3 minutes, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor N1, mixed liquor N2, mixed liquor N3, mixed liquor N4,
Mixed liquor N5；
(14) 7.29 grams of Sulfobutyl ether β _ cyclodextrins and 50mL dimethyl sulfoxide (DMSO)s are added in the 250mL tert-butyl alcohols, in 1000r/
Under the conditions of min stir 3 minutes, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor O1, mixed liquor O2, mixed liquor O3, mixed liquor O4,
Mixed liquor O5；
(15) mixed liquor O1 and 17mL tetramethyl butane diamine is added in mixed liquor N1,3 points is stirred under the conditions of 1000r/min
Clock, obtains mixed liquor P1；
(16) substance B is added in mixed liquor P1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid and obtain
To substance C 1, substance C 1 is placed 35 minutes in 105 DEG C of drying box, be subsequently placed in Muffle furnace and roasted under the conditions of 485 DEG C
Burn 45 minutes, obtain substance C 2；
(17) mixed liquor O2 and 16mL tetramethyl butane diamine is added in mixed liquor N2,3 points is stirred under the conditions of 1000r/min
Clock, obtains mixed liquor P2；
(18) substance C 2 is added in mixed liquor P2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Substance C 3 is obtained, substance C 3 is placed 35 minutes in 105 DEG C of drying box, be subsequently placed in Muffle furnace under the conditions of 485 DEG C
Roasting 45 minutes, obtains substance C 4；
(19) mixed liquor O3 and 15mL tetramethyl butane diamine is added in mixed liquor N3,3 points is stirred under the conditions of 1000r/min
Clock, obtains mixed liquor P3；
(20) substance C 4 is added in mixed liquor P3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Substance C 5 is obtained, substance C 5 is placed 35 minutes in 105 DEG C of drying box, be subsequently placed in Muffle furnace under the conditions of 485 DEG C
Roasting 45 minutes, obtains substance C 6；
(21) mixed liquor O4 and 14mL tetramethyl butane diamine is added in mixed liquor N4,3 points is stirred under the conditions of 1000r/min
Clock, obtains mixed liquor P4；
(22) substance C 6 is added in mixed liquor P4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Substance C 7 is obtained, substance C 7 is placed 35 minutes in 105 DEG C of drying box, be subsequently placed in Muffle furnace under the conditions of 485 DEG C
Roasting 45 minutes, obtains substance C 8；
(23) mixed liquor O5 and 13mL tetramethyl butane diamine is added in mixed liquor N5,3 points is stirred under the conditions of 1000r/min
Clock, obtains mixed liquor P5；
(24) substance C 8 is added in mixed liquor P5, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Substance C 8 is obtained, substance C 8 is placed 35 minutes in 105 DEG C of drying box, be subsequently placed in Muffle furnace under the conditions of 485 DEG C
Roasting 45 minutes, obtains substance C；
(25) 25mL epoxychloropropane is added in 800mL deionized waters, in 1000r/ under 1000r/min stirring conditions
Under the conditions of min stir 3 minutes, be subsequently adding 4.4 grams of silicon ureas of hexamethyl two, 5 parts of equivalent is divided into after shaking up, obtain mixed liquor Q1,
Mixed liquor Q2, mixed liquor Q3, mixed liquor Q4, mixed liquor Q；
(26) 5.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q1, are stirred under the conditions of 1000r/min
3 minutes, obtain mixed liquor R1；
(27) substance C is added in mixed liquor R1, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid and obtain
To material D1, material D1 places 38 Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
Minute, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain material D2；
(28) 4.7 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q2, are stirred under the conditions of 1000r/min
3 minutes, obtain mixed liquor R2；
(29) material D2 is added in mixed liquor R2, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Material D3 is obtained, material D3 is placed Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
38 minutes, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain material D4；
(30) 4.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q3, are stirred under the conditions of 1000r/min
3 minutes, obtain mixed liquor R3；
(31) material D4 is added in mixed liquor R3, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Material D5 is obtained, material D5 is placed Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
38 minutes, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain material D6；
(32) 3.7 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q4, are stirred under the conditions of 1000r/min
3 minutes, obtain mixed liquor R4；
(33) material D6 is added in mixed liquor R4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Material D7 is obtained, material D7 is placed Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
38 minutes, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, obtain material D8；
(34) 3.2 grams of 3- mercapto hydroxypropyl methyl diethoxy silanes are added in mixed liquor Q5, are stirred under the conditions of 1000r/min
3 minutes, obtain mixed liquor R5；
(35) material D8 is added in mixed liquor R4, is shaken 15 minutes in the shaking table that temperature is 30 DEG C, be filtered to remove liquid
Material D9 is obtained, material D9 is placed Jing after the ethanol washing that 100mL mass percent concentrations are 95% in 103 DEG C of drying box
38 minutes, roasting 48 minutes under the conditions of 475 DEG C are subsequently placed in Muffle furnace, the material for obtaining as is removed in percolate
The sorbing material of heavy metal ion.
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