CN102462999A - Structural filter core for removing thallium from drinking water and preparation method thereof - Google Patents
Structural filter core for removing thallium from drinking water and preparation method thereof Download PDFInfo
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- CN102462999A CN102462999A CN2011103206248A CN201110320624A CN102462999A CN 102462999 A CN102462999 A CN 102462999A CN 2011103206248 A CN2011103206248 A CN 2011103206248A CN 201110320624 A CN201110320624 A CN 201110320624A CN 102462999 A CN102462999 A CN 102462999A
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Abstract
The invention discloses a structural filter core for removing thallium from drinking water and a preparation method thereof, belonging to the technical field of the purification treatment of the drinking water. The preparation method of the structural filter core comprises the following steps: polytetrafluoroethylene, kaolin, manganese sand powder, metal chloride and azobisformamide are weighed according to the original formula, put in a honeycomb mold after being mixed and stirred to be even, molded by being calcined at high temperature and demolded after being cooled to room temperature, and then, the porous honeycomb structural filter core is obtained. According to the invention, the thallium is cleanly and efficiently removed from the drinking water, and the prepared structural filter core is convenient to use and low in cost. Proved by test, after the structural filter core disclosed by the invention is adopted to purify, the removal ratio of the thallium reaches over 90%.
Description
Technical field
The present invention is a kind of filter core of removing thallium in the drinking water and preparation method thereof, relates to the removal of thallium in the drinking water, belongs to technical filed of drinking water purifying treatment.
Background technology
Thallium is a kind of rareness and how extensive, the hypertoxic metallic element that distributes exists with compound form, and is very low in the abundance of occurring in nature, is merely 0.75mg/kg, and its toxicity is only second to methyl mercury greater than mercury, cadmium, lead, arsenic and chromium.Thallium and compound thereof have been put into the monitoring index system of water body priority pollutants blacklist and China's water environment quality standard.The concentration of thallium is very low in the natural water body, but along with the use of thallium is increasing, thallium and compound thereof get into environment in a large number; Particularly the thallium through entering water bodys such as mine weathering leaching, industrial wastewater discharge, atmospheric sedimentation and soil erosions constantly increases, and contacts, floats cloud of dust mist by food chain, skin and get into human body, absorbs through respiratory tract, alimentary canal and skin; After getting into blood; Be distributed in the histoorgan of whole body, be prone to see through blood-brain barrier, serious threat health.Therefore, the thallium of removal drinking water is very important.
At present, both at home and abroad the processing method of thallium is still rare in the waste water, and domestic still do not have patent especially thallium in the drinking water is handled.The method of the processing waste water containing thallium that Environmental Protection Agency is recommended mainly is the activated alumina method of purification and ion-exchange, and these two kinds of methods are handled proper, can be applied to quote and remove thallium in the water, does not directly drink but the water that cost is higher and ion-exchange is handled is suitable.Publication number is that CN1067229 discloses a kind of " waste water containing thallium processing method "; Its major technique characteristic is; Waste water containing thallium adds oxidant, coprecipitator and alkali successively in sour environment; Thallium finally precipitates with the thallium hydroxide form, but this method chemical reagent easy generation of secondary pollution obviously is not suitable for being applied to quote in the water.Publication number is that CN1715204 discloses a kind of method of utilizing pyrite dust to handle waste water containing thallium, has realized the effect of the treatment of wastes with processes of wastes against one another, but has contained numerous harmful materials in the pyrite dust, therefore also is not suitable for being applied to quote in the water.
Summary of the invention
The present invention provides a kind of drink water purifying that is used in order to overcome the deficiency of prior art, improves water quality, especially can remove the filter core of thallium effectively, is suitable for very much handling receiving the with serious pollution water source of thallium.
The purpose of this invention is to provide a kind of filter core of removing thallium in the drinking water and preparation method thereof.
The objective of the invention is to realize through following technical scheme:
A kind of filter core of removing thallium in the drinking water, the mass percent of each raw material is respectively:
160 purpose kaolin, 40%～70% Celogen Az 1%～10%
Manganese sand powder 5%～15% metal chloride 5%～10%
The polytetrafluoroethylene (PTFE) 10%～20% of 1,200 ten thousand～1,400 ten thousand molecular weight.
Preferably, a kind of filter core of removing thallium in the drinking water, the mass percent of each raw material is respectively:
160 purpose kaolin, 50%～60% Celogen Az 4%～7%
Manganese sand powder 10%～15% metal chloride 7%～9%
The polytetrafluoroethylene (PTFE) 15%～20% of 1,200 ten thousand～1,400 ten thousand molecular weight.
More preferably, a kind of filter core of removing thallium in the drinking water, the mass percent of each raw material is respectively:
160 purpose kaolin, 55% Celogen Az 6%
Manganese sand powder 14% metal chloride 8%
The polytetrafluoroethylene (PTFE) 17% of 1,200 ten thousand～1,400 ten thousand molecular weight.
Described metal chloride is at least a in iron chloride, aluminium chloride, the zinc chloride, and its order number is 100～240 orders.
The order number of described manganese sand powder is 40～200 orders.
The polytetrafluoroethylene (PTFE) of described 1,200 ten thousand～1,400 ten thousand molecular weight, order number are 80～220 orders.
A kind of preparation method who removes the filter core of thallium in the drinking water of the present invention, it may further comprise the steps:
Measure kaolin, polytetrafluoroethylene (PTFE), manganese sand powder, metal chloride, Celogen Az by prescription, after the mixing and stirring, place honeycomb die, the high-temperature calcination moulding is cooled to the demoulding after the room temperature, promptly obtains the porous honeycomb structure filter core.During use, with behind the nonwoven parcel, place bare structure filter core of the present invention again in the carrier of stainless steel or plastic casing and other any corresponding sizes, get final product.
The present invention is a kind of to remove in the preparation process of filter core of thallium in the drinking water, and calcining heat is controlled at 200 ℃～400 ℃, and calcination time is 120～240 minutes.
The invention has the beneficial effects as follows:
(1) raw material sources are extensive, and are cheap;
(2) manufacturing process is simple, is prone to realize suitability for industrialized production;
(3) clean, remove expeditiously the thallium in the drinking water;
(4) handle simply, easy to operate, especially be fit to the home terminal drinking water treatment;
(5) behind the employing filter core purifying drinking water of the present invention, the removal efficient of thallium reaches more than 90%.
The specific embodiment
Below in conjunction with instance the present invention is described in further detail.
Instance 1
By mass percentage:
The polytetrafluoroethylene (PTFE) 17% (100 order) of 160 purpose kaolin, 55% 1,200 ten thousand molecular weight
Manganese sand powder 14% (150 order) zinc chloride 8% (120 order)
Celogen Az 6%
Its preparation method is following:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 300 ℃ of following sintering after 180 minutes, be cooled to the demoulding after the room temperature, promptly obtain the porous honeycomb structure filter core.
Instance 2
By mass percentage:
The polytetrafluoroethylene (PTFE) 15% (80 order) of 160 purpose kaolin, 60% 1,300 ten thousand molecular weight
Manganese sand powder 10% (90 order) iron chloride 7% (100 order)
Celogen Az 8%
Its preparation method is following:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 400 ℃ of following sintering after 120 minutes, be cooled to the demoulding after the room temperature, promptly obtain the porous honeycomb structure filter core.
Instance 3
By mass percentage:
The polytetrafluoroethylene (PTFE) 20% (200 order) of 160 purpose kaolin, 50% 1,400 ten thousand molecular weight
Manganese sand powder 15% (140 order) zinc chloride 5% (140 order)
Celogen Az 10%
Its preparation method is following:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 200 ℃ of following sintering after 240 minutes, be cooled to the demoulding after the room temperature, promptly obtain the porous honeycomb structure filter core.
Instance 4
By mass percentage:
The polytetrafluoroethylene (PTFE) 10% (180 order) of 160 purpose kaolin, 70% 1,200 ten thousand molecular weight
Manganese sand powder 10% (120 order) zinc chloride 5% (140 order)
Celogen Az 5%
Its preparation method is following:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 350 ℃ of following sintering after 180 minutes, be cooled to the demoulding after the room temperature, promptly obtain the porous honeycomb structure filter core.
Instance 5
Get the alveolate texture filter core 1,2,3 of the many minute apertures of instance 1-4 gained; Behind the 4 usefulness nonwoven parcel; Place again in the carrier of stainless steel or plastic casing and other any corresponding sizes, be used for Drinking Water, through detecting; This filter core is good, as shown in table 1 to the removal effect of the thallium in the drinking water.The needs that are fit to very much the home terminal drinking water treatment.
Table 1 uses filter core to handle the water of front and back, and method of testing adopts GB/T 5750-2006 unit: μ g/L
Can find out from table 1, utilize filter core Drinking Water of the present invention after, the thallium in the drinking water is far below drinking water standard limit value 0.1 μ g/L, explains that the thallium that adopts filter core of the present invention to remove in the drinking water obtained good effect.
Claims (5)
1. filter core of removing thallium in the drinking water and preparation method thereof is characterized in that the mass percent of each raw material is respectively:
160 purpose kaolin, 40%～70% Celogen Az 1%～10%
Manganese sand powder 5%～15% metal chloride 5%～10%
The polytetrafluoroethylene (PTFE) 10%～20% of 1,200 ten thousand～1,400 ten thousand molecular weight.
2. a kind of filter core of removing thallium in the drinking water according to claim 1 and preparation method thereof is characterized in that the mass percent of each raw material is respectively:
160 purpose kaolin, 50%～60% Celogen Az 4%～7%
Manganese sand powder 10%～15% metal chloride 7%～9%
The polytetrafluoroethylene (PTFE) 15%～20% of 1,200 ten thousand～1,400 ten thousand molecular weight.
3. a kind of filter core of removing thallium in the drinking water according to claim 2 and preparation method thereof is characterized in that the mass percent of each raw material is respectively:
160 purpose kaolin, 55% Celogen Az 6%
Manganese sand powder 14% metal chloride 8%
The polytetrafluoroethylene (PTFE) 17% of 1,200 ten thousand～1,400 ten thousand molecular weight.
4. a kind of filter core of removing thallium in the drinking water according to claim 1 and preparation method thereof is characterized in that: described metal chloride is at least a in iron chloride, aluminium chloride, the zinc chloride, and its order number is 100～240 orders.
5. a kind of filter core of removing thallium in the drinking water according to claim 1 and preparation method thereof; It is characterized in that the preparation method is: measure each raw material by prescription, after the mixing and stirring, place honeycomb die; 200 ℃～400 ℃ calcining moulding down; Calcination time is 120～240 minutes, is cooled to the demoulding after the room temperature, promptly obtains the porous honeycomb structure filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103206248A CN102462999A (en) | 2011-10-20 | 2011-10-20 | Structural filter core for removing thallium from drinking water and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103206248A CN102462999A (en) | 2011-10-20 | 2011-10-20 | Structural filter core for removing thallium from drinking water and preparation method thereof |
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| CN102462999A true CN102462999A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103206248A Pending CN102462999A (en) | 2011-10-20 | 2011-10-20 | Structural filter core for removing thallium from drinking water and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668667A (en) * | 2016-04-20 | 2016-06-15 | 潘能红 | Microporous filter element for water purifier and preparation method thereof |
| CN106268623A (en) * | 2016-08-26 | 2017-01-04 | 华南理工大学 | For processing ferrimanganic complex pillared clay and the preparation method of thallium in waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101811026A (en) * | 2010-04-22 | 2010-08-25 | 奇迪电器集团有限公司 | Filter medium for removing selenium in water and preparation method thereof |
| CN101844066A (en) * | 2010-06-18 | 2010-09-29 | 苏州邦安新材料科技有限公司 | Device for synthesizing inorganic matter by hydrothermal method and using method thereof |
| CN101844006A (en) * | 2009-03-27 | 2010-09-29 | 周奇迪 | Filter medium and preparation method thereof, filter element, water purification device and water dispenser |
| CN101898121A (en) * | 2009-05-27 | 2010-12-01 | 周奇迪 | Filter medium for removing beryllium in drinking water and preparation method thereof |
-
2011
- 2011-10-20 CN CN2011103206248A patent/CN102462999A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844006A (en) * | 2009-03-27 | 2010-09-29 | 周奇迪 | Filter medium and preparation method thereof, filter element, water purification device and water dispenser |
| CN101898121A (en) * | 2009-05-27 | 2010-12-01 | 周奇迪 | Filter medium for removing beryllium in drinking water and preparation method thereof |
| CN101811026A (en) * | 2010-04-22 | 2010-08-25 | 奇迪电器集团有限公司 | Filter medium for removing selenium in water and preparation method thereof |
| CN101844066A (en) * | 2010-06-18 | 2010-09-29 | 苏州邦安新材料科技有限公司 | Device for synthesizing inorganic matter by hydrothermal method and using method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668667A (en) * | 2016-04-20 | 2016-06-15 | 潘能红 | Microporous filter element for water purifier and preparation method thereof |
| CN106268623A (en) * | 2016-08-26 | 2017-01-04 | 华南理工大学 | For processing ferrimanganic complex pillared clay and the preparation method of thallium in waste water |
| CN106268623B (en) * | 2016-08-26 | 2019-05-14 | 华南理工大学 | For handling the ferrimanganic compound pillared clay and preparation method of thallium in waste water |
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Application publication date: 20120523 |