CN107233762A - A kind of iron, cadmium, arsenic ion Filter column and preparation method thereof - Google Patents
A kind of iron, cadmium, arsenic ion Filter column and preparation method thereof Download PDFInfo
- Publication number
- CN107233762A CN107233762A CN201710485365.1A CN201710485365A CN107233762A CN 107233762 A CN107233762 A CN 107233762A CN 201710485365 A CN201710485365 A CN 201710485365A CN 107233762 A CN107233762 A CN 107233762A
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- Prior art keywords
- peony
- slag
- cadmium
- iron
- cottons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/006—Purge means
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
- C02F2101/103—Arsenic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a kind of iron, cadmium, arsenic ion Filter column and preparation method thereof, belong to contaminated ion filtration art.The iron, cadmium, arsenic ion Filter column are made up of peony slag blanket, active carbon layer and the PP cottons lower floor after PP cottons upper strata, processing respectively from top to bottom；Wherein, the peony slag after the processing be peony slag sequentially pass through ethanol solution, ether and carbon tetrachloride immersion obtain.Iron of the present invention, cadmium, arsenic ion Filter column raw material sources it is wide, prepare simple, prepare that cost is low, wherein peony slag is twice laid, adds the comprehensive utilization value of peony.Iron that the present invention is provided, cadmium, arsenic ion Filter column have good adsorption effect to iron, cadmium, arsenic ion, the exceeded water sample of iron, cadmium, arsenic ion is after the filtering of this Filter column, iron, cadmium, arsenic ion content meet the standard of national drinking water, there is good commercial value.
Description
Technical field
The present invention relates to contaminated ion filtration art, and in particular to iron, cadmium, arsenic ion Filter column and its preparation side
Method.
Background technology
Water is the Source of life of the mankind, and it is indispensable key factor during nature and survival and development of mankind.
With developing rapidly for global economy, the mankind are increasing to water demand amount, but the also day of the pollution problem of water resource simultaneously
It is beneficial serious.Contaminated ion in water mostlys come from industrial wastewater, metallurgy, refractory material, chemical industry, plating, smelting, process hides printing and dyeing
Deng industrial pollution.Contaminated ion in water invades human body by digestion, respiratory tract, skin and mucous membrane.When being invaded by alimentary canal
Cause vomiting, abdomen aches；Dermatitis and eczema can be produced when being invaded by skin.Harm maximum is contact in long or short term or suction
When have carcinogenic danger.
Mainly there are absorption method, flocculent precipitation, membrane separation technique etc. for the processing method that underwater gold belongs to ion at present.Pass
System method typically uses absorption method and flocculent precipitation, and wherein absorption method is to metal using metal ion adsorbent active surface
The attraction of ion is come to remove the critical material in metal ion, absorption method be adsorbent, and metal ion adsorbent is a lot, existing day
Right mineral, such as zeolite, kaolinite inorganic material also have natural high polymer such as tannin class, lignin, chitosan class etc., also
There are artificial synthesized or modified polymer, such as polystyrene-based resin, silica gel-based resin.Cellulose has certain in itself
Adsorption function, but adsorption capacity is small.
Ion exchange column is also referred to as mixed bed, is that a certain proportion of cationic, anionic exchange resin is mixed loaded in same exchange
In device, the ion in fluid is swapped, removed.It can be divided into regeneration mixed bed, external regeneration in vivo by regeneration point to mix
Three kinds of mixed bed of regeneration is moved outside bed, negative resin.Ion exchange column technology is widely used in water treatment field, and such as water quality is soft
Change, desalination, high purity water are produced, Industrial Wastewater Treatment, heavy metal and precious metal are reclaimed etc..Water demineralization process is in the side such as boiler
Face is widely used.There is exchange process skewness, ion exchange resin utilization rate in existing ion exchange column
Low defect, and cost is high, and transport is installed inconvenient.
Active fruit shell carbon is main using shell and wood chip as raw material, is processed through carbonizing, activating, refine.With than surface
The features such as product is big, intensity height, epigranular, hole section structure are flourishing, absorption property is strong.Active fruit shell carbon can be adsorbed effectively in water
Free chlorine, phenol, sulphur, oil, colloid, pesticide residue and other organic contaminations.Active fruit shell carbon is widely used in drinking water, work
The deep purifying of industry water and waste water, such as power plant, petrochemical industry, oil plant, food and drink, medicine, electronics, sea-freight industry water quality are net
Change is handled, and can effectively adsorb the forerunner of free chlorine, phenol, sulphur and the other organic pollutions, particularly mutagen (THM) in water
Material, reaches that purification and impurity removal removes peculiar smell.Active fruit shell carbon decolourizes, purified, de-tasting, purifying, purification capacity is also better than general work
Property charcoal product, the suction-operated especially for heavy metal is very strong.For harm human survival, mercury, lead, the arsenic of welding
There is good suction-operated Deng most heavy metals.
PP cottons, are to carry out chemical fibre artificial and processed by polypropylene fibre, cotton elasticity is good, and bulkiness is strong, is widely used in
The industries such as purifier.It is used in water purifier equipment be mainly used for diameter in preposition purification, filtering running water and is more than 5 microns
Colloidal impurity, micro- mud, iron rust, worm's ovum and organic contamination mineral matter debris etc..
Inventor, under study for action it has proven convenient that why content of beary metal is higher in peony, is because in peony
Some compositions have the ability of Adsorption of Heavy Metals, by detection, and adsorbent prepared by peony has very strong to iron, arsenic, cadmium ion
Suction-operated.
The invention provides a kind of ion exchange column filter medium, the medium has certain intensity, but lightweight, medium
Content is evenly distributed, low cost, convenient transportation, can be applied to the purified treatment of common industrial waste water, has before certain market
Scape.
The content of the invention
The problem of in order to solve the iron, cadmium, exceeded arsenic ion that often occur in our life water sources, the present invention provides a kind of
Iron, cadmium, arsenic ion Filter column and preparation method thereof, wherein, iron of the present invention, cadmium, arsenic ion Filter column divide from top to bottom
It is not made up of peony slag blanket, active carbon layer and the PP cottons lower floor after PP cottons upper strata, processing；Wherein, the tree peony after the processing
Flower slag be peony slag sequentially pass through ethanol solution, ether and carbon tetrachloride immersion obtain.
Further, the packing volume on the PP cottons upper strata accounts for the 5~20% of total filler, the peony slag after the processing
The packing volume of layer accounts for the 20~60% of total filler, the packing volume of the active fruit shell carbon layer account for total filler 30~
50%, the packing volume of the PP cottons lower floor accounts for the 5~25% of total filler.
Further, the PP cottons that the PP cottons upper strata and PP cottons lower floor use are that filtering accuracy is filtered for 5~20 microns of PP cottons
Core.
Further, the active fruit shell carbon that the active fruit shell carbon layer is used is commercially available iodine number>900mg/g, unit weight 0.45~
0.55g/cm3Active fruit shell carbon.
Meanwhile, present invention also offers a kind of iron, cadmium, arsenic ion Filter column preparation method, it is characterised in that：The system
Preparation Method is：Peony slag after PP cottons, active fruit shell carbon, processing and PP cottons are fitted into and had in the Filter column of filter screen,
Compacting, obtains the iron, cadmium, arsenic ion Filter column；Wherein, the peony slag after the processing is to sequentially pass through peony slag
What ethanol solution, ether and carbon tetrachloride immersion were obtained.
Wherein, the preparation method of the peony slag after the processing is specially：
1) fresh peony is extracted into peony essential oil using conventional press method, obtains peony slag；
2) peony slag is placed in 6~18h of immersion in 25~70% ethanol solutions, then cleaned with clear water, cleaning is removed
The ethanol of peony slag remained on surface is simultaneously drained, and then peony slag is placed in 70~100 DEG C of baking oven and dried, to tree peony
The water content of flower slag is less than 10%, obtains dry peony slag；
3) dry peony 4~8h of slag will be soaked with ether, obtains the peony slag that ether soaked；
4) carbon tetrachloride immersion peony 2~4h of slag for soaking of ether, then with 30~75% alcohol solution dipping 30
~60min, clear water washing, obtains treated peony slag.
Beneficial effect
Inventor has found that the metal ion content in peony is higher under study for action, far beyond the metal at other positions
Ion concentration, accordingly, it is considered to whether have in peony a kind of composition can adsorbing metal ions, and pass through that experiment is preliminary to be assert
Material containing adsorbing metal ions in peony.But peony is a kind of very soft fibrous material, containing many perishable
Composition is lost, it is difficult to as the raw material of adsorbent, therefore the peony that Filter column and organic solvent are handled is combined by applicant, no
The adion function of peony slag can be only played, and enables to peony imputrescibility to go bad, the present invention has been obtained
Described iron, cadmium, arsenic ion Filter column.Iron that the present invention is provided, cadmium, arsenic ion Filter column to iron, cadmium, arsenic ion filtering
Very capable, the pollution water sample after filtering meets sanitary standard for drinking water, there is filtering effect well to iron, cadmium, arsenic ion
Really.
Iron proposed by the present invention, cadmium, arsenic ion Filter column preparation method it is simple, it is low to prepare cost, easy to use, absorption
Effect is good, while adsorbent has stability strong, property is stable, will not corruption the features such as, can be used for filter element of water purifier.This hair
Bright described iron, cadmium, arsenic ion Filter column will not introduce new pollution, with good market prospects.
Embodiment
Embodiment 1
In the present embodiment, raw material uses fresh peony, commercially available active fruit shell carbon, commercially available PP cottons.
Other chemical reagent are that analysis is pure.
A kind of iron, cadmium, arsenic ion Filter column, the ion filter post is respectively from top to bottom：After PP cottons upper strata, processing
Peony slag blanket, active carbon layer and PP cottons lower floor, four kinds of filter layers of the above are filled from top to bottom, wherein, the filling on PP cottons upper strata
Volume accounts for 10%, and the packing volume of the peony slag blanket after processing accounts for 60%, and the packing volume of active fruit shell carbon layer accounts for 25%, PP
The packing volume of cotton lower floor accounts for 5%.
Above-mentioned iron, cadmium, arsenic ion Filter column preparation method it is as follows：
About one ion exchange column for there are apertured filter screens is taken, according to the ratio of filler, PP cottons, shell are lived successively
Property charcoal, processing after peony slag and PP cottons is fitted into ion exchange column, be compacted, fixation, obtained iron of the present invention,
Cadmium, arsenic ion Filter column.
Wherein, the preparation method of the peony slag blanket filler after the processing is as follows：
1) fresh peony is extracted into peony essential oil using conventional press method, obtains peony slag.
2) peony slag is placed in 50% ethanol solution and soaks 12h, then cleaned with clear water, cleaning removes peony slag
The ethanol of remained on surface is simultaneously drained, and then peony slag is placed in 80 DEG C of baking oven and dried, the water content to peony slag is small
In 10%, dry peony slag is obtained.
3) dry peony 4~8h of slag will be soaked with ether, obtains the peony slag that ether soaked.
4) carbon tetrachloride immersion peony 2~4h of slag for soaking of ether, then with 50% alcohol solution dipping 30~
60min, clear water washing, obtains treated peony slag.
The active fruit shell carbon that the active fruit shell carbon layer is used is commercially available iodine number>900mg/g, 0.45~0.55g/ of unit weight
cm3Active fruit shell carbon.
The PP cottons that the PP cottons upper strata and PP cottons lower floor use are filtering accuracies for 5 microns of PP cotton filter cores.
Ion-exchange filtration medium prepared by the present invention is to organic compounds such as iron, cadmium, arsenic, mercury, free chlorine, phenol, colloids
And diameter is more than 5 microns colloidal impurity, micro- mud, iron rust, bacterial virus etc. preferable adsorption capacity.
Wherein, the detection method of iron of the invention is shown in GB11911-1989, and the detection method of arsenic is shown in SL327.1-2005, lead
Detection method see SL327.4-2005, the detection method of mercury is shown in SL327.2-2005, and the detection method of selenium is shown in SL327.3-
2005, the method for free chlorine is shown in GB/T5750.11-2006.
Inventor prepares simulating pollution water source with corresponding ion, the mixing water of different pollutions is prepared before absorption, and survey
The content of its fixed each contaminated ion, the results are shown in Table 1.
Table 1, the testing result of each water sample before absorption
The above-mentioned water for having a pollution is passed through into the iron prepared by the embodiment of the present invention 1, cadmium, arsenic ion mistake with 1mL/s speed
Filter post, and determined with same method filter after water sample each contaminated ion content.
Table 2, the testing result of each water sample after absorption
The standards for drinking water quality recorded according to GB5749-2006, arsenic must not be higher than 0.01mg/L, and iron must not be higher than
0.3mg/L, cadmium must not be higher than 0.005mg/L, and selenium must not be higher than 0.01mg/L, and lead must not be higher than 0.01mg/L, and free chlorine must not
Higher than 0.05mg/L.It can thus be seen that arsenic, iron, cadmium, the adsorption effect of free chlorine are to meet after the absorption of this filter medium
Sanitary standard for drinking water, but it is poor for the adsorption effect of selenium, lead, it is impossible to meet standards for drinking water quality.
Embodiment 2
In the present embodiment, raw material uses fresh peony, commercially available active fruit shell carbon, commercially available PP cottons.
Other chemical reagent are that analysis is pure.
A kind of iron, cadmium, arsenic ion Filter column, the ion filter post is respectively from top to bottom：After PP cottons upper strata, processing
Peony slag blanket, active carbon layer and PP cottons lower floor, four kinds of filter layers of the above are filled from top to bottom, wherein, the filling on PP cottons upper strata
Volume accounts for 20%, and the packing volume of the peony slag blanket after processing accounts for 30%, and the packing volume of active fruit shell carbon layer accounts for 40%, PP
The packing volume of cotton lower floor accounts for 10%.
Above-mentioned iron, arsenic ion Filter column preparation method it is as follows：
An ion exchange column is taken, according to the ratio of filler, successively by the tree peony after PP cottons, active fruit shell carbon, processing
Flower slag and PP cottons are fitted into ion exchange column, are compacted, fixed, have obtained iron of the present invention, cadmium, arsenic ion Filter column.
Wherein, the preparation method of the peony slag blanket filler after the processing is as follows：
1) fresh peony is extracted into peony essential oil using conventional press method, obtains peony slag.
2) peony slag is placed in 70% ethanol solution and soaks 6h, then cleaned with clear water, cleaning removes peony slag
The ethanol of remained on surface is simultaneously drained, and then peony slag is placed in 95 DEG C of baking oven and dried, the water content to peony slag is small
In 10%, dry peony slag is obtained.
3) dry peony 2~4h of slag will be soaked with ether, obtains the peony slag that ether soaked.
4) carbon tetrachloride immersion peony 2~4h of slag for soaking of ether, then with 75% alcohol solution dipping 30~
60min, clear water washing, obtains treated peony slag.
The active fruit shell carbon that the active fruit shell carbon layer is used is commercially available iodine number>900mg/g, 0.45~0.55g/ of unit weight
cm3Active fruit shell carbon.
The PP cottons that the PP cottons upper strata and PP cottons lower floor use are filtering accuracies for 20 microns of PP cotton filter cores.
Embodiment 3
In the present embodiment, raw material uses fresh peony, commercially available active fruit shell carbon, commercially available PP cottons.
Other chemical reagent are that analysis is pure.
A kind of iron, cadmium, arsenic ion Filter column, the ion filter post is respectively from top to bottom：After PP cottons upper strata, processing
Peony slag blanket, active carbon layer and PP cottons lower floor, four kinds of filter layers of the above are filled from top to bottom, wherein, the filling on PP cottons upper strata
Volume accounts for 5%, and the packing volume of the peony slag blanket after processing accounts for 20%, and the packing volume of active fruit shell carbon layer accounts for 50%, PP
The packing volume of cotton lower floor accounts for 25%.
Above-mentioned iron, cadmium, arsenic ion Filter column preparation method it is as follows：
An ion exchange column is taken, according to the ratio of filler, successively by the tree peony after PP cottons, active fruit shell carbon, processing
Flower slag and PP cottons are fitted into ion exchange column, are compacted, fixed, have obtained iron of the present invention, cadmium, arsenic ion Filter column.
Wherein, the preparation method of the peony slag blanket filler after the processing is as follows：
1) fresh peony is extracted into peony essential oil using conventional press method, obtains peony slag.
2) peony slag is placed in 25% ethanol solution and soaks 18h, then cleaned with clear water, cleaning removes peony slag
The ethanol of remained on surface is simultaneously drained, and then peony slag is placed in 70 DEG C of baking oven and dried, the water content to peony slag is small
In 10%, dry peony slag is obtained.
3) dry peony 4~8h of slag will be soaked with ether, obtains the peony slag that ether soaked.
4) carbon tetrachloride immersion peony 2~4h of slag for soaking of ether, then with 30% alcohol solution dipping 30~
60min, clear water washing, obtains treated peony slag.
The active fruit shell carbon that the active fruit shell carbon layer is used is commercially available iodine number>900mg/g, 0.45~0.55g/ of unit weight
cm3Active fruit shell carbon.
The PP cottons that the PP cottons upper strata and PP cottons lower floor use are filtering accuracies for 10 microns of PP cotton filter cores.
Claims (6)
1. a kind of iron, cadmium, arsenic ion Filter column, it is characterised in that：The ion filter post from top to bottom respectively by PP cottons upper strata,
Peony slag blanket, active carbon layer and PP cottons lower floor composition after processing；Wherein, the peony slag after the processing is peony slag
Sequentially pass through what ethanol solution, ether and carbon tetrachloride immersion were obtained.
2. iron according to claim 1, cadmium, arsenic ion Filter column, it is characterised in that：The packing volume on the PP cottons upper strata
The 5 ~ 20% of total filler are accounted for, the packing volume of the peony slag blanket after the processing accounts for the 20 ~ 60% of total filler, the shell
The packing volume of active carbon layer accounts for the 30 ~ 50% of total filler, and the packing volume of the PP cottons lower floor accounts for the 5 ~ 25% of total filler.
3. iron according to claim 1, cadmium, arsenic ion Filter column, it is characterised in that：The PP cottons upper strata and PP cottons lower floor
The PP cottons used are filtering accuracies for 5 ~ 20 microns of PP cotton filter cores.
4. iron according to claim 1, cadmium, arsenic ion Filter column, it is characterised in that：What the active fruit shell carbon layer was used
Active fruit shell carbon is commercially available iodine number>900mg/g, 0.45 ~ 0.55g/cm of unit weight3Active fruit shell carbon.
5. iron, cadmium, the preparation method of arsenic ion Filter column described in a kind of claim 1, it is characterised in that：The preparation method
For：Peony slag after PP cottons, active fruit shell carbon, processing and PP cottons are fitted into and had in the Filter column of filter screen, is compacted, obtains
To the iron, cadmium, arsenic ion Filter column；Wherein, the peony slag after the processing is that peony slag is sequentially passed through into ethanol is molten
What liquid, ether and carbon tetrachloride immersion were obtained.
6. iron according to claim 5, cadmium, the preparation method of arsenic ion Filter column, it is characterised in that：After the processing
The preparation method of peony slag is specially：
1）Fresh peony is extracted into peony essential oil using conventional press method, peony slag is obtained；
2）Peony slag is placed in 6 ~ 18h of immersion in 25 ~ 70% ethanol solutions, then cleaned with clear water, cleaning removes peony
The ethanol of slag remained on surface is simultaneously drained, and then peony slag is placed in 70 ~ 100 DEG C of baking oven and dried, to containing for peony slag
Water is less than 10%, obtains dry peony slag；
3）Dry peony 4 ~ 8h of slag will be soaked with ether, obtain the peony slag that ether soaked；
4）Carbon tetrachloride immersion peony 2 ~ 4h of slag for soaking of ether, then with 30 ~ 75% 30 ~ 60min of alcohol solution dipping,
Clear water is washed, and obtains treated peony slag.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485365.1A CN107233762B (en) | 2017-06-23 | 2017-06-23 | Iron, cadmium and arsenic ion filter column and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485365.1A CN107233762B (en) | 2017-06-23 | 2017-06-23 | Iron, cadmium and arsenic ion filter column and preparation method thereof |
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| CN107233762A true CN107233762A (en) | 2017-10-10 |
| CN107233762B CN107233762B (en) | 2021-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975411A (en) * | 2019-12-20 | 2020-04-10 | 中核二七二铀业有限责任公司 | Pretreatment filtering equipment for extraction stock solution |
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| CN110975411A (en) * | 2019-12-20 | 2020-04-10 | 中核二七二铀业有限责任公司 | Pretreatment filtering equipment for extraction stock solution |
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| CN107233762B (en) | 2021-05-28 |
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