CN107462668A - Adsorbent absorption property determines device - Google Patents
Adsorbent absorption property determines device Download PDFInfo
- Publication number
- CN107462668A CN107462668A CN201610384062.6A CN201610384062A CN107462668A CN 107462668 A CN107462668 A CN 107462668A CN 201610384062 A CN201610384062 A CN 201610384062A CN 107462668 A CN107462668 A CN 107462668A
- Authority
- CN
- China
- Prior art keywords
- absorption property
- adsorbent
- tank
- adsorbent absorption
- determines device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of adsorbent absorption property to determine device, including:Retort, storage tank and the detection tank being sequentially connected.Wherein, storage tank includes tank body, and one end of the close detection tank of tank body is provided with UF membrane part, and one end of the close retort of tank body is provided with timing control unit.The adsorbent absorption property measure device of the present invention can realize the measure of adsorption capacity and the rate of adsorption to adsorbent, can be achieved to automatically control in continuous mode, automatic data collection, its is easy to operate, and measurement result is accurate.Can reduce adsorbent research work amount using the device, realized in field application to variety classes, different batches adsorbent absorption property it is simple and direct, rapidly determine.
Description
Technical field
The present invention relates to water treatment field, more particularly to a kind of adsorbent absorption property measure device.
Background technology
Absorption is the ability for having using adsorbent to a certain component in solution selection absorption, it is enriched in adsorbent
Surface, and the process separated from mixture.Absorption method is due to using no or little organic solvent, caused dirt in its processing procedure
Contaminate it is small, it is easy to operate, safety, equipment is simple, the advantages such as processing cost is low, is widely used in the industries such as water process.Absorption method is used
In removing the inorganic non-metallic pollutant in water removal, metal ion, colourity, oil, agricultural chemicals, COD etc., especially in fluorine removal, dephosphorization, a huge sum of money
Category processing, advanced treatment of wastewater etc., absorption method is most widely used method.
Currently used adsorbent is divided into granular adsorbent and These powdered adsorbents, These powdered adsorbents grain according to form
Footpath is small, and specific surface area is big, and absorption property is much better than granular adsorbent, is able to extensively should in numerous researchs and practical application
With.The quality of adsorbent absorption property directly decides the treatment effect of absorption method.Adsorbent absorption property mainly includes two sides
Face, i.e. adsorption capacity (adsorption capacity) and the rate of adsorption (adsorption dynamics adsorption kinetics).Numerous researchers grind to absorption water treating method
Study carefully, tested using glasswares such as beakers, cumbersome, the research especially to adsorbent adsorption dynamics adsorption kinetics, every group real
Test determines the adsorption effect of different time, it is necessary to carry out many experiments.
In practical application, adsorbent species are various on the market, and different adsorbent species, different absorption object adsorption effects are poor
It is different big.Even identical adsorbent, different manufacturers, different production batch its adsorption effects difference, therefore in reality
In the application of border, adsorbent adsorption effect can not be lumped together, therefore its absorption property is surveyed before using certain adsorbent
Surely it is very important.By the measure to adsorbent absorption property, can adjust in real time adsorbent dosage, the replacement cycle or
Person handles the important parameters such as water.Existing researcher has invented the adsorption capacity measure device of Powdered Activated Carbon, but its device
The adsorption capacity of activated carbon can only be determined, the rate of adsorption of adsorbent can not be determined, and the device can not be realized and automatically controlled, certainly
Dynamic gathered data.
The problem of existing for above-mentioned technology, a kind of apparatus for automatically measuring for being capable of adsorbent absorption property is needed badly, to subtract
Light research work amount, the quickly and conveniently survey to variety classes, different batches adsorbent absorption property is realized in field application
It is fixed, to solve weak point of the prior art.
The content of the invention
The present invention is in view of the deficiencies of the prior art, it is proposed that a kind of adsorbent absorption property determines device.
According to a kind of adsorbent absorption property measure device provided by the invention, including:The retort that is sequentially connected, storage
Tank and detection tank, wherein, storage tank includes tank body, and one end of the close detection tank of tank body is provided with UF membrane part, tank body
One end of retort is provided with timing control unit.
The present invention adsorbent absorption property measure device in, first into retort add water, target detection thing and
Form mixed liquor after adsorbent, adsorbent and solution containing target detection thing are under the control of timing control unit in regulation
Between equal proportion enter storage tank, enter detection tank after the mixed liquor envelope separating component separation in storage tank, now adsorbent
Envelope separating component stops separation, and the solution containing target detection thing for not being blocked separation enters detection tank, to this in detection tank
Solution is detected to realize the data acquisition to the residual target detection thing concentration of different time points, passes through the dynamic detection
So as to finally determine the adsorption capacity and the rate of adsorption of adsorbent.The adsorbent absorption property measure device of the present invention can be realized
The measure of adsorption capacity and the rate of adsorption to adsorbent, can be achieved to automatically control, automatic data collection in continuous mode, its
Easy to operate, measurement result is accurate.Adsorbent research work amount can be reduced using the device, is realized in field application to difference
Species, different batches adsorbent absorption property it is simple and direct, rapidly determine.
In some embodiments, retort includes delivery port, and delivery port is located at reaction pot bottom above a quarter extremely
The high position of 1/6th tanks.The setting can be avoided in course of reaction due to sampling shadow that is uneven and reacting subsequent adsorbtion
Ring.
In some embodiments, water outlet is provided with flushing part.Due in continuous mode, target pollutant concentration
It is probably to change from high to low, sets flushing part to avoid influence of the previous water sample to follow-up water sample in water outlet.Surveying
After having determined a water sample, before next water determination, be passed through clear water rinse storage tank inside UF membrane part, detection tank and
Detecting electrode.
In some embodiments, UF membrane part includes filter membrane and filters part, wherein, filter membrane is arranged on storage
Between the tank body and suction filtration part of tank.Suction filtration device is connected with vavuum pump, is filtered using negative pressure of vacuum, and filter membrane filters out adsorbent
Afterwards, after filter solution directly taken away from sample tap or into detection tank.Preferably, the pore size filter of filter membrane is 0.45 μm.Should
Set and preferably filter effect can be achieved, so as to improve Detection results.
In some embodiments, timing control unit includes the timer and magnetic valve being sequentially connected.Adsorbed in measure
During agent adsorption capacity, sample time is set to timer, a certain amount of adsorbent is added into retort, after adsorbing a period of time
Sampling, UF membrane, measure pollutant concentration, continue to sample after a period of time, determine, until absorption reaches balance.According to mesh
Mark the concentration after the initial concentration of detectable substance, adsorption equilibrium, the adsorption capacity of adsorbent is calculated in adsorbent dosage.Surveying
When determining the rate of adsorption of adsorbent, sample time is set to timer, a certain amount of adsorbent is added into retort, at interval of
A period of time is sampled, UF membrane, the concentration for determining target detection thing, obtains water outlet pollutant concentration and changes with time feelings
Condition.
In some embodiments, detect and detection hole is provided with the top of tank, be connected with detection hole and outer computer
Connected detecting electrode.Detecting electrode can be connected by data wire with computer, realize the automatic data collection of data.
In some embodiments, adsorbent absorption property measure device also includes the support for fixed test electrode.
In some embodiments, support includes transverse bar and connecting rod that is vertical with transverse bar and being slidably connected, detection
Electrode is arranged in connecting rod.Connecting rod can be mobile around, to ensure that the position of detecting electrode can flexibly change.
In some embodiments, adsorbent absorption property measure device also includes being respectively connected with detection tank, storage tank
Contrast test tank, and contrast test tank is identical with retort.Contrast test tank can lead directly to detect tank, also may be used
Enter detection tank by storage tank, contrast test tank both can be used for contrast experiment, it can also be used to adsorption reaction.
Compared with prior art, device of the invention is easy to operate, only need to add adsorbent, setting time, sampling and measuring,
By controlling timer to realize automatic sampling, separation., can be with automatic data collection number for can be with the pollutant of on-line checking
According to.In the apparatus, taken into full account absorbent concentration change, in device the factor such as residual contaminants influence, and take
Workaround, measurement result are more accurate.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 is the schematic top plan view according to the structure of the adsorbent absorption property measure device of the present invention;
Fig. 2 is the schematic front view according to the structure of the adsorbent absorption property measure device of the present invention;
Fig. 3 is to determine device to La using the adsorbent absorption property of the present invention2O3·nH2O removes the measure of adsorption capacity of fluoride ion
Result figure;
Fig. 4 is to determine device to La using the adsorbent absorption property of the present invention2O3·nH2The measure of the O fluorine removal rates of adsorption
Result figure.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Details described here is exemplary, and is only used for that embodiments of the invention are illustratively discussed, it
Presence be to provide for be considered as to the present invention principle and concept in terms of most useful and most intelligible description.Close
In this point, it is not attempted to exceed the CONSTRUCTED SPECIFICATION of the present invention Jie of basic comprehension required degree of the invention here
Continue, those skilled in the art is clearly understood that how to be practically carrying out the several of the present invention by specification and its accompanying drawing
Kind form.
Fig. 1 shows the structural representation that device 100 is determined according to adsorbent absorption property provided by the invention.The device
100 include the retort 10, storage tank and the detection tanks 30 that are sequentially connected, wherein, storage tank includes tank body 21, tank body 21 it is close
One end of detection tank 30 is provided with UF membrane part, and one end of the close retort 10 of tank body 21 is provided with timing control unit.
As shown in figure 1, UF membrane part includes filter membrane 23 and filters part 22, wherein, filter membrane 23 is arranged on storage
Between the tank body 21 and suction filtration part 22 of tank.Filter part 22 and be connected with vavuum pump, filtered using negative pressure of vacuum, filter membrane 23 filters
After falling adsorbent, drainage directly taken away from sample tap or into detection tank 30.Preferably, the pore size filter of filter membrane 23 is
0.45μm.Preferably filter effect can be achieved in the setting, so as to improve Detection results.
As shown in figure 1, timing control unit includes the timer 25 and magnetic valve 24 being sequentially connected.Inhaled in measure adsorbent
During attached capacity, sample time is set to timer 25, a certain amount of adsorbent is added into retort 10, after adsorbing a period of time
Sampling, UF membrane, measure pollutant concentration, continue to sample after a period of time, determine, until absorption reaches balance.According to mesh
Mark the concentration after the initial concentration of detectable substance, adsorption equilibrium, the adsorption capacity of adsorbent is calculated in adsorbent dosage.Surveying
When determining the rate of adsorption of adsorbent, sample time is set to timer 25, a certain amount of adsorbent is added into retort 10, often
Certain interval of time is sampled, UF membrane, the concentration for determining target detection thing, obtains change of the water outlet pollutant concentration with the time
Change situation.
According to the present invention, as shown in Fig. 2 retort 10 includes delivery port 11, delivery port 11 be located at the bottom of retort 10 with
Upper a quarter is to the high position of 1/6th tanks.The setting can avoid inhaling to follow-up due to sampling uneven in course of reaction
The influence of reaction enclosure.
Preferably, flushing part is provided with delivery port 11.Due in continuous mode, target pollutant concentration be probably by
High to Low change, flushing part is set to avoid influence of the previous water sample to follow-up water sample at delivery port 11.Determining one
After individual water sample, before next water determination, UF membrane part, detection tank 30 and detection that clear water is rinsed inside storage tank are passed through
Electrode 31.
In embodiment as shown in Figure 2, the top of detection tank 30 is provided with detection hole, is connected with detection hole and is counted with outside
The connected detecting electrode 31 of calculation machine.Detecting electrode 31 can be connected by data wire with computer, realize the automatic data collection of data.
In addition, adsorbent absorption property measure device 100 also includes the support 50 for fixed test electrode 31.Support 50
It is arranged on including transverse bar with connecting rod that is vertical with transverse bar and being slidably connected, detecting electrode in connecting rod.Connecting rod can be with
Move around, to ensure that the position of detecting electrode can flexibly change.
In addition, as shown in figure 1, adsorbent absorption property measure device 100 also includes and detection tank 30, storage tank difference phase
Contrast test tank 40 even, and contrast test tank 40 is identical with retort 10.Contrast test tank 40 can be led directly to
Tank 30 is detected, storage tank is may also pass through and enters detection tank 30, contrast test tank 40 both can be used for contrast experiment, it can also be used to inhale
Reaction enclosure.
In the adsorbent absorption property measure device 100 of the present invention, water, target detection are added first into retort 10
Mixed liquor is formed after thing and adsorbent, adsorbent and the solution containing target detection thing are being advised under the control of timing control unit
Enter storage tank with equal proportion fixing time, enters detection tank 30 after the mixed liquor envelope separating component separation in storage tank, now
Adsorbent envelope separating component stops separation, and the solution containing target detection thing for not being blocked separation enters detection tank 30, is detecting
The solution is detected in tank 30 to realize the data acquisition to the residual target detection thing concentration of different time points, by this
Dynamic detection is so as to finally determine the adsorption capacity and the rate of adsorption of adsorbent.The adsorbent absorption property measure dress of the present invention
The measure of adsorption capacity and the rate of adsorption to adsorbent can be realized by putting 100, can be achieved to automatically control in continuous mode, from
Dynamic gathered data, its is easy to operate, and measurement result is accurate.Adsorbent research work amount can be reduced using the device 100, scene
In realize to variety classes, different batches adsorbent absorption property it is simple and direct, rapidly determine.
Here give and determine device to La using the adsorbent absorption property of the present invention2O3·nH2O removes adsorption capacity of fluoride ion
With the embodiment of the measure of the rate of adsorption.Determine the La that particle diameter is 0.074 to 0.15mm2O3·nH2O adsorbent fluorine removal energy of adsorptions
Power.
(1)La2O3·nH2O removes the measure of adsorption capacity of fluoride ion:
Detecting electrode is inserted into detection tank 30 and is fixed on support 50, detecting electrode is connected with computer, realizes testing number
According to automatic data collection.
It is 200mg/L (C that the initial Funing tablets of 500ml are added into retort 100) fluorinated water, add a certain amount of (m)
Adsorbent, start after 1h to sample, separate, determine the Funing tablet after absorption, be spaced sampling in 10 minutes afterwards once, measure fluorine is dense
Degree, after measuring Funing tablet twice in succession and being more or less the same, is designated as adsorption equilibrium Funing tablet Ce, according to formula q=(C0-Ce)/
M, adsorption capacity q during balance Funing tablet Ce is calculated.Change adsorbent dosage, different adsorbent dosages will obtain not
Same Ce~q values, so as to measure one group of Ce~q value, do figure, as shown in Figure 3 by the Ce~q measured.
Adsorption capacity under not homostasis Funing tablet is understood according to Fig. 3, and understands the saturated adsorption capacity of the adsorbent about
For 145mg/g.
(2)La2O3·nH2The measure of the O fluorine removal rates of adsorption:
Initial Funing tablet is 5mg/L, and adsorbent dosage is 0.3g/L, and it is dense that water outlet fluorine is measured by sampling at regular intervals
Degree, obtains one group of data for going out water fluoridation Ce and adsorption time t, Ce is made into figure to t, as shown in Figure 4.Adsorbent is added
Quantitative change is 0.5g/L, obtains another group of Ce~t data, data is done into figure, as shown in Figure 4.
Funing tablet when going out water fluoridation, time of equilibrium adsorption and reaching balance during different adsorption times as can be seen from Figure 4,
When adsorbent dosage is 0.3g/L, time of equilibrium adsorption 18min, balance Funing tablet is 0.95mg/L;When adsorbent is thrown
When dosage is 0.5g/L, time of equilibrium adsorption 10min, balance Funing tablet is 0.47mg/L.
It should be noted that foregoing example is only for the purpose of explanation, and it is not construed as limiting the present invention.Although
According to exemplary embodiment, invention has been described, it being understood, however, that used herein is descriptive and explanation
The language of property, rather than restricted language.In presently described and modification scope of the following claims, do not departing from
In the scope of scope and spirit of the present invention, the present invention can be changed.Although here according to specific mode, material
Invention has been described with embodiment for material, but the present invention is not limited in details disclosed herein;On the contrary, the present invention can expand
Open up structure, the methods and applications of all identical functions for example within the scope of the appended claims.
Claims (10)
1. a kind of adsorbent absorption property determines device, including:Retort, storage tank and the detection tank being sequentially connected, wherein, institute
Stating storage tank includes tank body, and one end of the close detection tank of the tank body is provided with UF membrane part, and the tank body leans on
One end of the nearly retort is provided with timing control unit.
2. adsorbent absorption property according to claim 1 determines device, it is characterised in that the retort includes water outlet
Mouthful, the delivery port is positioned at the reaction pot bottom above a quarter to the high position of 1/6th tanks.
3. adsorbent absorption property according to claim 2 determines device, it is characterised in that the water outlet is provided with
Rinse part.
4. adsorbent absorption property according to any one of claim 1 to 3 determines device, it is characterised in that the film
Separating component includes filter membrane and filters part, wherein, the filter membrane is arranged on the tank body of the storage tank and the suction filtration
Between part.
5. adsorbent absorption property according to claim 4 determines device, it is characterised in that the filter bores of the filter membrane
Footpath is 0.45 μm.
6. adsorbent absorption property according to any one of claim 1 to 5 determines device, it is characterised in that the meter
When control unit include the timer and magnetic valve that are sequentially connected.
7. adsorbent absorption property according to any one of claim 1 to 6 determines device, it is characterised in that the inspection
Survey at the top of tank and be provided with detection hole, the detecting electrode being connected with outer computer is connected with the detection hole.
8. adsorbent absorption property according to claim 7 determines device, it is characterised in that the adsorbent absorption property
Measure device also includes being used for the support for fixing the detecting electrode.
9. adsorbent absorption property according to claim 8 determines device, it is characterised in that the support includes transverse bar
Connecting rod that is vertical with the transverse bar and being slidably connected, the detecting electrode are arranged in the connecting rod.
10. adsorbent absorption property according to any one of claim 1 to 9 determines device, it is characterised in that the suction
Attached dose of absorption property measure device also includes the contrast test tank being respectively connected with the detection tank, the storage tank, and institute
It is identical with the retort to state contrast test tank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610384062.6A CN107462668A (en) | 2016-06-02 | 2016-06-02 | Adsorbent absorption property determines device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610384062.6A CN107462668A (en) | 2016-06-02 | 2016-06-02 | Adsorbent absorption property determines device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107462668A true CN107462668A (en) | 2017-12-12 |
Family
ID=60544594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610384062.6A Pending CN107462668A (en) | 2016-06-02 | 2016-06-02 | Adsorbent absorption property determines device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107462668A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1963465A (en) * | 2006-10-31 | 2007-05-16 | 上海电力学院 | Method for testing adsorption performance of active carbon to organic matter |
CN201207047Y (en) * | 2007-11-29 | 2009-03-11 | 中国环境科学研究院 | Test device for static absorption ability of amorphous floc to water body pollutant |
CN102645511A (en) * | 2012-05-18 | 2012-08-22 | 河海大学 | Device for detecting adsorption capacity of powdered active carbon |
CN202794141U (en) * | 2012-08-22 | 2013-03-13 | 浙江海亮环境材料有限公司 | Device for testing adsorption effect of porous carbon on sewage |
CN203894209U (en) * | 2014-04-10 | 2014-10-22 | 沈阳理工大学 | Device for automatically testing dynamic adsorption property |
-
2016
- 2016-06-02 CN CN201610384062.6A patent/CN107462668A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1963465A (en) * | 2006-10-31 | 2007-05-16 | 上海电力学院 | Method for testing adsorption performance of active carbon to organic matter |
CN201207047Y (en) * | 2007-11-29 | 2009-03-11 | 中国环境科学研究院 | Test device for static absorption ability of amorphous floc to water body pollutant |
CN102645511A (en) * | 2012-05-18 | 2012-08-22 | 河海大学 | Device for detecting adsorption capacity of powdered active carbon |
CN202794141U (en) * | 2012-08-22 | 2013-03-13 | 浙江海亮环境材料有限公司 | Device for testing adsorption effect of porous carbon on sewage |
CN203894209U (en) * | 2014-04-10 | 2014-10-22 | 沈阳理工大学 | Device for automatically testing dynamic adsorption property |
Non-Patent Citations (1)
Title |
---|
王莉莉: "饮用水吸附-超滤法除氟机理及工艺研究,", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Magnuson et al. | Speciation of arsenic compounds by ion chromatography with inductively coupled plasma mass spectrometry detection utilizing hydride generation with a membrane separator | |
CN105929443B (en) | Actively any method for adjusting precipitation rate of radon and Effective Decay Constant | |
CN103977766B (en) | Mesoporous silicon material that a kind of sulfydryl and amino are modified jointly and preparation method thereof and purposes | |
CN104237080B (en) | Closed underground water solute migration simulation experimental device | |
US8919184B2 (en) | Leak testing method and leak testing device for iodine filter | |
US20160334311A1 (en) | Cumulative oxo-anion sampler systems and methods | |
CN107462668A (en) | Adsorbent absorption property determines device | |
CN201527389U (en) | Detection device of performance of preventing infiltration of chemicals for relief protective clothing materials | |
CN101474249B (en) | Motherwort and quality control method of preparation thereof | |
Svahn et al. | Simple, fast and inexpensive large “whole water” volume sample SPE-loading using compressed air and finely ground sand | |
CN108802243B (en) | Method for simultaneously detecting bentazone, 2,4-D, 2, 4-dichlorophen, 2,4, 6-trichlorophenol and pentachlorophenol in water | |
Tadmor | Applications of Isotopic Exchange in Gas Chromatography. | |
CN106290603A (en) | A kind of utilize Vavle switching method to detect the inorganic anion in plant, organic acid and the method for three kinds of phytochemicalss and application simultaneously | |
CN107219102A (en) | A kind of method of soluble organic nitrogen concentration in superposition of electric field pretreatment mode direct measurement water body based on dialysis | |
JPH03267739A (en) | Method for measuring effective gap rate of aquifer by water permeability test using tracer | |
CN109350995A (en) | A kind of solid-phase extraction column and preparation method thereof loading SBA-15 adsorbent | |
Lodewyckx et al. | Use of x-ray microtomography to visualise dynamic adsorption of organic vapour and water vapour on activated carbon | |
CN211954813U (en) | Solid phase extraction device for sampling large-scale water samples on site | |
CN114200502A (en) | Nuclear-grade resin comprehensive application performance testing device | |
CN114354301A (en) | Method for analyzing iron-55 in liquid | |
RU2524497C2 (en) | Method of extracting radionuclides from aqueous solutions | |
CN218726954U (en) | Low-concentration organic amine detection device containing concentration device | |
CN108333016A (en) | The method of trace metal and its compound nano-material in separation and concentration water body | |
Lee | Application of activated carbon fiber (ACF) for arsenic removal in aqueous solution | |
CN109187902B (en) | Intermittent continuous sampling water radon measuring device and method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171212 |