CN103613161A - Device for treating waste water containing arsenic and chromium - Google Patents
Device for treating waste water containing arsenic and chromium Download PDFInfo
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- CN103613161A CN103613161A CN201310613475.3A CN201310613475A CN103613161A CN 103613161 A CN103613161 A CN 103613161A CN 201310613475 A CN201310613475 A CN 201310613475A CN 103613161 A CN103613161 A CN 103613161A
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Abstract
The invention discloses a device for treating waste water containing arsenic and chromium. The device comprises an integrated reaction and separation device, a magnetic adsorbent barrel, a waste water barrel and an eluant bottle, wherein the integrated reaction and separation device comprises a reactor and an electromagnetic sucking cup which is arranged at the bottom of the reactor; an inlet of the reactor is communicated with the magnetic adsorbent barrel, the waste water barrel and the eluant bottle respectively; an outlet of the reactor is communicated with a water storage tank and a liquid storage tank respectively. When the waste water is treated by using the device, the complete-set integrated process of adsorption, separation, elution and regeneration of an industrial nano-scale adsorbent can be realized, and the problem of difficulty in compatibility of small size and recoverability of the adsorbent is effectively solved. When the waste water is treated by using the device, magnetic nano-iron oxide particles serve as the adsorbent for the waste water containing the arsenic or the chromium, so that the application of nano-scale particles to the actual industrial waste water treatment is realized; by utilizing the size advantage of the nano-scale adsorbent, large adsorption capacity is ensured, and the low ratio of adsorbent using amount to waste water treatment amount is realized.
Description
Technical field
The treatment unit that the present invention relates to a kind of waste water containing arsenic and chromium, belongs to ambient water process field.
Background technology
Arsenic in water and chromium all belong to element contact scar, and human body is had to the serious harm that very strong bio-toxicity and three causes (teratogenesis, carcinogenic and mutagenesis).Arsenic content in water body is had to strict regulation both at home and abroad, the maximum concentration of Arsenic in Drinking Water can not be higher than 0.01mg/L, and industrial discharge arsenic in waste water concentration can not surpass 0.5mg/L.Absorption method is to apply a kind of water arsenic very widely to pollute removal method.But, the sorbent material at present with actual application value, general particle size is all very little, and many is all micron order, or even Nano grade, little size makes sorbent material and the abundant combination of pollutent, has guaranteed adsorptive capacity, but has also increased the separating difficulty of sorbent material and water, hinder subsequent recovery, after easily causing secondary pollution and processing, water turbidity is too high, and adsorptive capacity is not high, and these deficiencies have seriously limited the industrial applications of absorption method.
Summary of the invention
The treatment unit that the object of this invention is to provide a kind of waste water containing arsenic and chromium, when treatment unit of the present invention is processed waste water, arsenic in waste water pollutent or chromium pollutant concentration can be reduced to below discharging standards, and arsenic pollutent or chromium pollutant can be got off from adsorbent surface desorption, and sorbent material all can be reclaimed from water.
The treatment unit of a kind of waste water containing arsenic and chromium provided by the present invention, comprises integrated reaction and separation device, magnetic adsorbent bucket, wastewater barrel and elutriant bottle;
Described integrated reaction and separation device comprises reactor and is arranged on the magneticchuck of described reactor bottom;
The import of described reactor is connected with described magnetic adsorbent bucket, described wastewater barrel and described elutriant bottle respectively;
The outlet of described reactor is connected with water tank and container for storing liquid respectively.
In above-mentioned treatment unit, described water tank is removed purifying waste water after arsenic and chromium for holding, and described container for storing liquid is for holding the liquid after elutriant wash-out magnetic adsorbent.
In above-mentioned treatment unit, between described reactor and described water tank and described container for storing liquid, be also provided with a degree of depth tripping device, described degree of depth tripping device comprises sedimentation container and the permanent magnet chuck of being located at described sedimentation container bottom, and described degree of depth tripping device can be further separated with the sorbent material that has adsorbed pollutent by water.
In above-mentioned treatment unit, the import of described reactor is also connected with pH regulator acid solution bottle and pH regulator alkali lye bottle respectively;
In described reactor, be provided with a pH meter, to monitor pH value.
In above-mentioned treatment unit, the import of described reactor is connected with described magnetic adsorbent bucket, described wastewater barrel and described elutriant bottle by a pipeline;
Described pipeline is provided with a volume pump I, a volume pump I is set like this and just can realizes the metering to magnetic adsorbent, waste water and elutriant.
In above-mentioned treatment unit, the exit end of described reactor connects a volume pump II, with the metering of the water to after processing.
In above-mentioned treatment unit, in described reactor and described magnetic adsorbent bucket, be equipped with agitator.
Working process when treatment unit provided by the invention is removed arsenic in water and/or chromium is as follows:
Can adopt magnetic iron oxide nano particle as the sorbent material containing arsenic or chromate waste water.As shown in Figure 1, first, start agitator 7, open valve 8, the magnetic iron oxide suspension of magnetic adsorbent bucket 6 middle and high concentrations is driven in reactor 1 quantitatively through volume pump I 5, valve-off 8, open valve 10, to in wastewater barrel 9, containing arsenic or chromate waste water, through volume pump I 5, be driven into quantitatively in reactor 1, valve-off 10, open agitator 2, the pH value of solution in the reactor 1 detecting according to pH meter 4, opening-closing valve 12 drips the pH regulator liquid in pH regulator acid solution bottle 11 and pH regulator alkali lye bottle 13 with valve 14 in reactor 1, make the waste water of reactor 1 have suitable potential of hydrogen, under agitation condition, after absorption reaction specified time, close agitator 2, open magneticchuck 3 and carry out the separated of magnetic adsorbent and water, after specified time, opening valve 20 all gets water in reactor 1 with volume pump II 17, valve-off 20, magneticchuck 3 and volume pump II 17, open valve 16, volume pump I 5 and agitator 2, in reactor 1, squeeze into quantitative elutriant, valve-off 16 and volume pump I 5, after specified time, close agitator 2, open magneticchuck 3, after specified time, opening valve 22 all squeezes into the elutriant in reactor 1 in container for storing liquid 23 with volume pump II 17, close magneticchuck 3, valve 22 and volume pump II 17, a loop ends, after the regeneration of sorbent material wash-out, start the new a collection of wastewater treatment cycle.
Tool of the present invention has the following advantages:
The present invention has introduced magnetic field retrieving arrangement, solve industrial small-particle sorbent material and after handling pollution, be difficult to the drawback with aqueous phase separation, and with respect to other traditional separate mode, magnetism separate method have take up room little, disengaging time is short, a series of incomparable advantages such as separation rate is high, and energy consumption is low, simple to operate; And added adsorbent reactivation processing step, increased the number of times that recycles of sorbent material, the very big treatment capacity that has reduced solid waste, has avoided secondary pollution.While using the present invention to process waste water, absorption, separation, the wash-out that can the realize industrial nano level sorbent material a complete set of integrated process of regenerating, has solved sorbent material small size and problem that easily recyclability is difficult to take into account effectively.While using the present invention to process waste water, using magnetic Nano iron oxide particle as the sorbent material containing arsenic or chromate waste water, the application of the sorbent material of having realized nano-scale particle in actual industrial wastewater treatment, utilize the nano level size advantage of sorbent material, guarantee very large loading capacity, realized sorbent material consumption and the low ratio of processing waste water.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treatment unit of the present invention's waste water of containing arsenic and chromium,
In figure, each mark is as follows: 1 reactor, 2,7 agitators, 3 magneticchucks, 4pH meter, 5 volume pump I, 6 magnetic adsorbent buckets, 8,10,12,14,16,20,22 valves, 9 wastewater barrels, 11pH regulate acid solution bottle, 13pH to regulate alkali lye bottle, 15 elutriant bottles, 17 volume pump II, 18 sedimentation containers, 19 permanent magnet chucks, 21 water butts, 23 liquid storing barrels.
Fig. 2 is the design sketch of wastewater treatment in embodiment 2,3 and 4.
Fig. 3 is the design sketch of wastewater treatment in embodiment 5,6 and 7.
Fig. 4 is the design sketch of wastewater treatment in embodiment 8,9 and 10.
Embodiment
The experimental technique using in following embodiment if no special instructions, is ordinary method.
In following embodiment, material used, reagent etc., if no special instructions, all can obtain from commercial channels.
As shown in Figure 1, the treatment unit of the waste water containing arsenic and chromium provided by the invention comprise in integrated reaction and separation device, degree of depth tripping device, magnetic adsorbent bucket 6(be provided with agitator 7), wastewater barrel 9, pH regulator acid solution bottle 11, pH regulator alkali lye bottle 13 and elutriant bottle 15.
Integrated reaction and separation device in the present invention comprises reactor 1 and is arranged on the magneticchuck 3 of reactor 1 bottom, for adsorbing magnetic adsorbent.In reactor 1, be provided with a pH meter 4 and agitator 2.The import of this reactor 1 is connected with magnetic adsorbent bucket 6, wastewater barrel 9, pH regulator acid solution bottle 11, pH regulator alkali lye bottle 13 and elutriant bottle 15 respectively, and the exit end at magnetic adsorbent bucket 6, wastewater barrel 9, pH regulator acid solution bottle 11, pH regulator alkali lye bottle 13 and elutriant bottle 15 is respectively arranged with valve 8, valve 10, valve 12, valve 14 and valve 16, at the inlet end of reactor 1, be provided with volume pump I 5.
Degree of depth tripping device in the present invention comprises sedimentation container 18 and the permanent magnet chuck 19 of being located at sedimentation container 18 bottoms, can water is further separated with the sorbent material that has adsorbed pollutent.The outlet sedimentation container 18 of reactor 1 is connected, and is provided with volume pump II on the pipeline of this connection.The outlet of sedimentation container 18 is connected with water tank 21 and container for storing liquid 23 respectively, and is respectively equipped with valve 20 and valve 22 at the entrance end of water tank 21 and container for storing liquid 23, to realize sedimentation container 18, is communicated with water tank 21 and the independent of container for storing liquid 23.
The treatment unit of embodiment 2, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor 1, squeezing into again 15L starting point concentration is the pentavalent arsenic waste water of 100mg/L, pH value is adjusted to 3.0, absorption 10min, after magnetic resolution 15min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor 1, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor 1, squeeze into the pentavalent arsenic waste water that 15L starting point concentration is 100mg/L, start new wastewater treatment circulation, total is carried out 10 circulations, total 150L waste water of processing, result as shown in Figure 2, after 6 wastewater treatment circulations, when processing wastewater flow rate and reaching 90L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 7th batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 3, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor 1, squeezing into again 15L starting point concentration is the trivalent arsenic waste water of 100mg/L, pH value is adjusted to 7.0, absorption 10min, after magnetic resolution 15min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor 1, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the trivalent arsenic waste water that 15L starting point concentration is 100mg/L, start new wastewater treatment circulation, total is carried out 10 circulations, total 150L waste water of processing, result as shown in Figure 2, after 4 wastewater treatment circulations, when processing wastewater flow rate and reaching 60L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 5th batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 4, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeeze into again the hexavalent chromium wastewater that 15L starting point concentration is 100mg/L, pH value is adjusted to 3.0, absorption 10min, after magnetic resolution 15min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the hexavalent chromium wastewater that 15L starting point concentration is 100mg/L, start new wastewater treatment circulation, total is carried out 10 circulations, total 150L waste water of processing, result as shown in Figure 2, after 2 wastewater treatment circulations, when processing wastewater flow rate and reaching 30L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 3rd batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 5, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeezing into again 15L starting point concentration is the pentavalent arsenic waste water of 50mg/L, pH value is adjusted to 3.0, absorption 10min, after magnetic resolution 15min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the pentavalent arsenic waste water that 15L starting point concentration is 50mg/L, start new wastewater treatment circulation, total is carried out 16 circulations, total 240L waste water of processing, result as shown in Figure 3, after 11 wastewater treatment circulations, when processing wastewater flow rate and reaching 165L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 12nd batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 6, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeezing into again 15L starting point concentration is the trivalent arsenic waste water of 100mg/L, pH value is adjusted to 7.0, absorption 10min, after magnetic resolution 15min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the trivalent arsenic waste water that 15L starting point concentration is 50mg/L, start new wastewater treatment circulation, total is carried out 16 circulations, total 240L waste water of processing, result as shown in Figure 3, after 8 wastewater treatment circulations, when processing wastewater flow rate and reaching 120L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 9th batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 7, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeeze into again the hexavalent chromium wastewater that 15L starting point concentration is 50mg/L, pH value is adjusted to 3.0, absorption 10min, after magnetic resolution 15min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the hexavalent chromium wastewater that 15L starting point concentration is 50mg/L, start new wastewater treatment circulation, total is carried out 16 circulations, total 240L waste water of processing, result as shown in Figure 3, after 6 wastewater treatment circulations, when processing wastewater flow rate and reaching 90L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 7th batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 8, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeezing into again 30L starting point concentration is the pentavalent arsenic waste water of 20mg/L, pH value is adjusted to 3.0, absorption 10min, after magnetic resolution 25min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the pentavalent arsenic waste water that 15L starting point concentration is 20mg/L, start new wastewater treatment circulation, total is carried out 18 circulations, total 540L waste water of processing, result as shown in Figure 4, after 14 wastewater treatment circulations, when processing wastewater flow rate and reaching 420L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 15th batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 9, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeezing into again 30L starting point concentration is the trivalent arsenic waste water of 20mg/L, pH value is adjusted to 7.0, absorption 10min, after magnetic resolution 25min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the trivalent arsenic waste water that 15L starting point concentration is 20mg/L, start new wastewater treatment circulation, total is carried out 18 circulations, total 540L waste water of processing, result as shown in Figure 4, after 10 wastewater treatment circulations, when processing wastewater flow rate and reaching 300L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 11st batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
The treatment unit of embodiment 10, use embodiment 1 is processed
At ambient temperature, the 200g/L magnetic Nano level iron oxide particle sorbent material suspension liquid of 250mL is added in reactor, squeeze into again the hexavalent chromium wastewater that 30L starting point concentration is 20mg/L, pH value is adjusted to 3.0, absorption 10min, after magnetic resolution 25min, then the waste water after processing is got and sampling and measuring, to adding 250mL concentration in reactor, it is the NaOH elutriant of 1mol/L, wash-out 15min, after magnetic resolution 10min, elutriant is got, again in reactor, squeeze into the hexavalent chromium wastewater that 15L starting point concentration is 20mg/L, start new wastewater treatment circulation, total is carried out 18 circulations, total 540L waste water of processing, result as shown in Figure 4, after 6 wastewater treatment circulations, when processing wastewater flow rate and reaching 180L, the waste strength of discharging is all below the mark at the national industrial wastewater discharge of 0.5mg/L, since the 7th batch of waste water, the waste strength of discharging surpasses the emission standard of 0.5mg/L.
Claims (7)
1. contain a treatment unit for the waste water of arsenic and chromium, it is characterized in that:
Described treatment unit comprises integrated reaction and separation device, magnetic adsorbent bucket, wastewater barrel and elutriant bottle;
Described integrated reaction and separation device comprises reactor and is arranged on the magneticchuck of described reactor bottom;
The import of described reactor is connected with described magnetic adsorbent bucket, described wastewater barrel and described elutriant bottle respectively;
The outlet of described reactor is connected with water tank and container for storing liquid respectively.
2. treatment unit according to claim 1, it is characterized in that: between described reactor and described water tank and described container for storing liquid, be also provided with a degree of depth tripping device, described degree of depth tripping device comprises sedimentation container and is located at the permanent magnet chuck of described sedimentation container bottom.
3. treatment unit according to claim 1 and 2, is characterized in that: the import of described reactor is also connected with pH regulator acid solution bottle and pH regulator alkali lye bottle respectively;
In described reactor, be provided with a pH meter.
4. according to the treatment unit described in any one in claim 1-3, it is characterized in that: the import of described reactor is connected with described magnetic adsorbent bucket, described wastewater barrel and described elutriant bottle by a pipeline;
Described pipeline is provided with a volume pump I.
5. according to the treatment unit described in any one in claim 1-4, it is characterized in that: the exit end of described reactor connects a volume pump II.
6. according to the treatment unit described in any one in claim 1-5, it is characterized in that: in described reactor and described magnetic adsorbent bucket, be equipped with agitator.
7. treatment unit application in arsenic and/or chromium in removing water described in any one in claim 1-6.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383289A (en) * | 2018-05-03 | 2018-08-10 | 长春工程学院 | Utilize the device and method of heavy metal in magnetic Nano material treated sewage |
| CN112371098A (en) * | 2020-11-12 | 2021-02-19 | 北京新风航天装备有限公司 | Recovery method of magnetic adsorption particles |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039399A (en) * | 1989-07-24 | 1990-02-07 | 哈尔滨建筑工程学院 | The high gradient separated treatment drinking water Processes and apparatus |
| US20060049091A1 (en) * | 2004-09-03 | 2006-03-09 | Cheetham Jeffrey K | Reactive adsorbent for heavy elements |
| CN101215041A (en) * | 2008-01-14 | 2008-07-09 | 中国科学院广州地球化学研究所 | Method for treating Cr6+ in waste water and method for preparing montmorillonite-base nano magnetite used thereof |
| CN101343102A (en) * | 2008-08-15 | 2009-01-14 | 天津理工大学 | Adsorption and magnetic separation coupling method for recycling precious metal ion in precious metal |
| US7622423B1 (en) * | 2006-09-12 | 2009-11-24 | The Hong Kong University Of Science & Technology | Synthesis of modified maghemite and jacobsite nanoparticles |
| CN101612548A (en) * | 2009-07-16 | 2009-12-30 | 浙江大学 | Utilize flyash to extract the method for magnetic minerals to remedy heavy metal pollution of water body |
| CN101863574A (en) * | 2009-04-14 | 2010-10-20 | 刘懿颉 | Method for removing arsenic in water and device thereof |
| CN201942575U (en) * | 2010-11-24 | 2011-08-24 | 内蒙古科技大学 | Industrial wastewater treatment device |
| CN103240173A (en) * | 2012-02-08 | 2013-08-14 | 香港科技大学 | Magnetic separator and water treatment system provided therewith |
-
2013
- 2013-11-27 CN CN201310613475.3A patent/CN103613161B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039399A (en) * | 1989-07-24 | 1990-02-07 | 哈尔滨建筑工程学院 | The high gradient separated treatment drinking water Processes and apparatus |
| US20060049091A1 (en) * | 2004-09-03 | 2006-03-09 | Cheetham Jeffrey K | Reactive adsorbent for heavy elements |
| US7622423B1 (en) * | 2006-09-12 | 2009-11-24 | The Hong Kong University Of Science & Technology | Synthesis of modified maghemite and jacobsite nanoparticles |
| CN101215041A (en) * | 2008-01-14 | 2008-07-09 | 中国科学院广州地球化学研究所 | Method for treating Cr6+ in waste water and method for preparing montmorillonite-base nano magnetite used thereof |
| CN101343102A (en) * | 2008-08-15 | 2009-01-14 | 天津理工大学 | Adsorption and magnetic separation coupling method for recycling precious metal ion in precious metal |
| CN101863574A (en) * | 2009-04-14 | 2010-10-20 | 刘懿颉 | Method for removing arsenic in water and device thereof |
| CN101612548A (en) * | 2009-07-16 | 2009-12-30 | 浙江大学 | Utilize flyash to extract the method for magnetic minerals to remedy heavy metal pollution of water body |
| CN201942575U (en) * | 2010-11-24 | 2011-08-24 | 内蒙古科技大学 | Industrial wastewater treatment device |
| CN103240173A (en) * | 2012-02-08 | 2013-08-14 | 香港科技大学 | Magnetic separator and water treatment system provided therewith |
Non-Patent Citations (2)
| Title |
|---|
| ABU ZAYED MD. BADRUDDOZA 等: "Ionically modified magnetic nanomaterials for arsenic and chromium removal from water", 《CHEMICAL ENGINEERING JOURNAL》 * |
| ABU ZAYED MD. BADRUDDOZA 等: "Ionically modified magnetic nanomaterials for arsenic and chromium removal from water", 《CHEMICAL ENGINEERING JOURNAL》, 6 April 2013 (2013-04-06) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383289A (en) * | 2018-05-03 | 2018-08-10 | 长春工程学院 | Utilize the device and method of heavy metal in magnetic Nano material treated sewage |
| CN112371098A (en) * | 2020-11-12 | 2021-02-19 | 北京新风航天装备有限公司 | Recovery method of magnetic adsorption particles |
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