CN104098197B - Gac-ultra-filtration membrane the combination unit removing micro-pharmaceuticals in tap water is used to remove the method for micro-pharmaceuticals in tap water - Google Patents
Gac-ultra-filtration membrane the combination unit removing micro-pharmaceuticals in tap water is used to remove the method for micro-pharmaceuticals in tap water Download PDFInfo
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- CN104098197B CN104098197B CN201410290909.5A CN201410290909A CN104098197B CN 104098197 B CN104098197 B CN 104098197B CN 201410290909 A CN201410290909 A CN 201410290909A CN 104098197 B CN104098197 B CN 104098197B
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Abstract
Use the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water to remove the method for micro-pharmaceuticals in tap water, it relates to a kind of method removing micro-pharmaceuticals in tap water.The method that the object of the invention is to solve micro-pharmaceuticals in existing removal tap water exists expensive, should not promote the problem not good with removal effect.Device comprises water inlet pipe, the first granulated active carbon post water port, granulated active carbon post, ultra-filtration membrane, pressure transmitter, ultra-filtration membrane suction water pump, ultra-filtration membrane membrane cisterna, filtered water tank, backwash pump, vacuum breaker, flow valve, filtered water tank water-in, ultra-filtration membrane membrane cisterna water-in, the first granulated active carbon post water-in, water shoot and filtered water tank water port; Remove the method for micro-pharmaceuticals in tap water: one, to filling-modified granulated active carbon in granulated active carbon post; Two, the tap water of process containing micro-pharmaceuticals.The present invention can remove micro-pharmaceuticals in tap water.
Description
Technical field
The present invention relates to a kind of method removing micro-pharmaceuticals in tap water.
Background technology
Pharmaceuticals application in daily life widely, but in recent years, comprise the water in community tap water, public supply mains and the water in water supply plant clean water basin has all found pharmaceuticals pollution problem, therefore, study a kind of efficient, economic treatment process very necessary.Biological treatment is cheap a kind for the treatment of process, but the pharmaceuticals existed in water often have the feature such as complex structure, biological degradability difference, and the inapplicable water treatment that is applied to of carrying out a biological disposal upon; Electrochemical techniques, high-level oxidation technology etc. to the obvious processing effect of the pharmaceuticals in tap water, but expend higher, not easily promote.
Absorption method is easy, effective treatment process, and comparatively suitable treatment is containing pharmaceuticals water.In the sorbent material of application at present, according to the requirement to sorbent material, Properties of Activated Carbon is best, most widely used, but, due to adsorption efficiency and the cost consumption of conventional carbon, make its for the treatment of containing pharmaceuticals water time, use and receive certain restriction, it may be necessary the physico-chemical property of economy, easy method of modifying change gac itself, improve gac to the adsorption of pharmaceuticals.
Gac-ultra-filtration membrane combination process can comprise pharmaceuticals at interior organism by more effective removal tap water, but absorption generally adopts Powdered Activated Carbon with the combination of ultrafiltration, although can strengthen the removal effect of pollutent, dust active carbon can only use by single, causes cost of use higher.
Summary of the invention
The method that the object of the invention is to solve micro-pharmaceuticals in existing removal tap water exists expensive, the problem not good with removal effect should not be promoted, and the method using the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water to remove micro-pharmaceuticals in tap water is provided.
Remove the gac-ultra-filtration membrane combination unit of micro-pharmaceuticals in tap water, it comprises water inlet pipe, first granulated active carbon post water port, granulated active carbon post, ultra-filtration membrane, pressure transmitter, ultra-filtration membrane suction water pump, ultra-filtration membrane membrane cisterna, ultra-filtration membrane membrane cisterna water port, filtered water tank, backwash pump, first vacuum breaker, flow valve, filtered water tank water-in, second granulated active carbon post water-in, second granulated active carbon post water port, ultra-filtration membrane membrane cisterna water-in, valve, first granulated active carbon post water-in, first row water pipe, filtered water tank water port, second row water pipe and the second vacuum breaker,
The first described granulated active carbon post water-in, the second granulated active carbon post water-in, the first granulated active carbon post water port and the second granulated active carbon post water port are arranged on granulated active carbon post, and with the intracavity inter-connection of granulated active carbon post; Ultra-filtration membrane membrane cisterna water-in and ultra-filtration membrane membrane cisterna water port are arranged on ultra-filtration membrane membrane cisterna, and are communicated with in ultra-filtration membrane membrane cisterna; Filtered water tank water-in and filtered water tank water port are arranged on filtered water tank, and are communicated with in filtered water tank;
Described water inlet pipe is connected with the first granulated active carbon post water-in by flow valve; Second granulated active carbon post water port is connected with ultra-filtration membrane membrane cisterna water-in by the second vacuum breaker, and the second granulated active carbon post water port and ultra-filtration membrane membrane cisterna water-in coaxially isometrical; Ultra-filtration membrane is arranged in ultra-filtration membrane membrane cisterna, and ultra-filtration membrane is connected with filtered water tank water-in with valve by pressure transmitter, ultra-filtration membrane suction water pump; Filtered water tank water port is connected with the second granulated active carbon post water-in with backwash pump by the first vacuum breaker.
Use the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water to remove the method for micro-pharmaceuticals in tap water, specifically complete according to the following steps:
One, to filling-modified granulated active carbon in granulated active carbon post: modified particles gac is filled in granulated active carbon post;
Modified particles gac described in step one and the volume ratio of granulated active carbon post are (0.65 ~ 0.8): 1;
Two, the tap water of process containing micro-pharmaceuticals: close the first granulated active carbon post water port, ultra-filtration membrane membrane cisterna water port and the first vacuum breaker, re-uses the tap water of flow valve control containing micro-pharmaceuticals from water inlet pipe with 4m
3/ m
2h ~ 16m
3/ m
2the flow velocity of h enters into granulated active carbon post by the first granulated active carbon post water-in, then enters into ultra-filtration membrane membrane cisterna by the second granulated active carbon post water port, the second vacuum breaker and ultra-filtration membrane membrane cisterna water-in; Again through ultra-filtration membrane, the tap water containing micro-pharmaceuticals through ultra-filtration membrane enters into filtered water tank through pressure transmitter, ultra-filtration membrane suction water pump, valve and filtered water tank water-in, obtains the tap water removing micro-pharmaceuticals.
Advantage of the present invention and principle of work:
One, the present invention arranges back flushing layout, can extend the life-span of the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water, guarantee effluent quality safety; The present invention arranges the transmembrane pressure of pressure transmitter the real time measure ultra-filtration membrane, when transmembrane pressure is less than preset value, just the first granulated active carbon post water port, ultra-filtration membrane membrane cisterna water port, the first vacuum breaker is opened, close the second vacuum breaker, run backwash pump and back flushing is carried out to granulated active carbon post, run ultra-filtration membrane suction water pump and backwash is carried out to ultra-filtration membrane; The backwash cycle is 40min ~ 240min, and the backwash time is 5min; When backwash can not have efficient recovery transmembrane pressure, in filtered water tank, add the dilute hydrochloric acid solution of 0.05mol/L ~ 0.2mol/L, can effectively backwash;
Two, the present invention adopts modified particles gac to remove micro-pharmaceuticals in tap water, and compared with employing conventional particles gac, the adsorptive power of modified particles gac has remarkable lifting; Hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide or ammonia water modifier is adopted to carry out modification to granulated active carbon, the modified particles gac obtained average adsorption ability when removing sulfamethoxazole in tap water improves 46%, when removing Ibuprofen BP/EP in tap water, average adsorption ability improves 33%, this directly extends the cycle of operation of granulated active carbon post, guarantees that the absolute content of water outlet chinese medicine drugs can remain on lower value within the longer time;
Three, the present invention adopts granulated active carbon, instead of adopts Powdered Activated Carbon, does not need stirring, aeration etc. to provide the power set of dispersion for Powdered Activated Carbon, saves the energy, Simplified flowsheet complexity; Meanwhile, owing to adopting granulated active carbon, repeatedly can utilize gac by the means such as back flushing, regeneration, avoid gac and can only use once, this reduces the processing costs of water to a great extent;
Four, before granulated active carbon post is located at ultra-filtration membrane membrane cisterna by the present invention, tap water can be allowed first to enter ultra-filtration membrane membrane cisterna again by granulated active carbon post, adopt two-stage process to guarantee that the absolute content of water outlet chinese medicine drugs is relatively low, ensure effluent quality safety; Meanwhile, because water inlet is first by granulated active carbon post, this effectively can reduce Pollution of Ultrafiltration Membrane, extends the cycle of operation; Long-play granulated active carbon post may breed bacteria, and ultra-filtration membrane can effective filter bacteria, and therefore preposition granulated active carbon post can also avoid bacterium in water outlet to exceed standard;
Five, make full use of run by gravity in the present invention, the bottom of granulated active carbon post is communicated with the top of ultra-filtration membrane membrane cisterna, and this can effectively utilize the gravity of water to flow, and without external energy, arranging flow valve just can coutroi velocity, it reduces the processing costs of water; Meanwhile, because granulated active carbon post is arranged on above ultra-filtration membrane membrane cisterna, can adopt when arranging and be arranged vertically up and down, this can save space.
Six, the present invention is by the back flushing to granulated active carbon post and ultra-filtration membrane, can avoid growing of microorganism on granulated active carbon, avoid the formation of biological particles gac, guarantee the removal effect of micro-pharmaceuticals in tap water.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gac-ultra-filtration membrane combination unit of micro-pharmaceuticals in the removal tap water described in embodiment one.
Embodiment
Embodiment one: the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water, it comprises water inlet pipe 1, first granulated active carbon post water port 2, granulated active carbon post 3, ultra-filtration membrane 4, pressure transmitter 5, ultra-filtration membrane suction water pump 6, ultra-filtration membrane membrane cisterna 7, ultra-filtration membrane membrane cisterna water port 8, filtered water tank 9, backwash pump 10, first vacuum breaker 11, flow valve 12, filtered water tank water-in 13, second granulated active carbon post water-in 14, second granulated active carbon post water port 15, ultra-filtration membrane membrane cisterna water-in 16, valve 17, first granulated active carbon post water-in 18, first row water pipe 19, filtered water tank water port 20, second row water pipe 21 and the second vacuum breaker 22,
The first described granulated active carbon post water-in 18, second granulated active carbon post water-in 14, first granulated active carbon post water port 2 and the second granulated active carbon post water port 15 are arranged on granulated active carbon post 3, and with the intracavity inter-connection of granulated active carbon post 3; Ultra-filtration membrane membrane cisterna water-in 16 and ultra-filtration membrane membrane cisterna water port 8 are arranged on ultra-filtration membrane membrane cisterna 7, and are communicated with in ultra-filtration membrane membrane cisterna 7; Filtered water tank water-in 13 and filtered water tank water port 20 are arranged on filtered water tank 9, and are communicated with in filtered water tank 9;
Described water inlet pipe 1 is connected with the first granulated active carbon post water-in 18 by flow valve 12; Second granulated active carbon post water port 15 is connected with ultra-filtration membrane membrane cisterna water-in 16 by the second vacuum breaker 22, and the second granulated active carbon post water port 15 is coaxially isometrical with ultra-filtration membrane membrane cisterna water-in 16; Ultra-filtration membrane 4 is arranged in ultra-filtration membrane membrane cisterna 7, and ultra-filtration membrane 4 is connected with filtered water tank water-in 13 with valve 17 by pressure transmitter 5, ultra-filtration membrane suction water pump 6; Filtered water tank water port 20 is connected with the second granulated active carbon post water-in 14 with backwash pump 10 by the first vacuum breaker 11.
Fig. 1 is the structural representation of the gac-ultra-filtration membrane combination unit of micro-pharmaceuticals in the removal tap water described in embodiment one, in figure, 1 is water inlet pipe, 2 is the first granulated active carbon post water port, 3 is granulated active carbon post, 4 is ultra-filtration membrane, 5 is pressure transmitter, 6 is ultra-filtration membrane suction water pump, 7 is ultra-filtration membrane membrane cisterna, 8 is ultra-filtration membrane membrane cisterna water port, 9 is filtered water tank, 10 is backwash pump, 11 is the first vacuum breaker, 12 is flow valve, 13 is filtered water tank water-in, 14 is the second granulated active carbon post water-in, 15 is the second granulated active carbon post water port, 16 is ultra-filtration membrane membrane cisterna water-in, 17 is valve, 18 is the first granulated active carbon post water-in, 19 is first row water pipe, 20 is filtered water tank water port, 21 is second row water pipe, 22 is the second vacuum breaker.
The advantage of present embodiment and principle of work:
One, present embodiment arranges back flushing layout, can extend the life-span of the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water, guarantee effluent quality safety; Present embodiment arranges the transmembrane pressure of pressure transmitter 5 the real time measure ultra-filtration membrane 4, when transmembrane pressure is less than preset value, just the first granulated active carbon post water port 2, ultra-filtration membrane membrane cisterna water port 8, first vacuum breaker 11 is opened, close the second vacuum breaker 22, run backwash pump 10 pairs of granulated active carbon posts 3 and carry out back flushing, run ultra-filtration membrane suction water pump 6 pairs of ultra-filtration membranes 4 and carry out backwash; The backwash cycle is 40min ~ 240min, and the backwash time is 5min; When backwash can not have efficient recovery transmembrane pressure, in filtered water tank 9, add the dilute hydrochloric acid solution of 0.05mol/L ~ 0.2mol/L, can effectively backwash;
Two, present embodiment adopts modified particles gac to remove micro-pharmaceuticals in tap water, and compared with employing conventional particles gac, the adsorptive power of modified particles gac has remarkable lifting; Hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide or ammonia water modifier is adopted to carry out modification to granulated active carbon, the modified particles gac obtained average adsorption ability when removing sulfamethoxazole in tap water improves 46%, when removing Ibuprofen BP/EP in tap water, average adsorption ability improves 33%, this directly extends the cycle of operation of granulated active carbon post, guarantees that the absolute content of water outlet chinese medicine drugs can remain on lower value within the longer time;
Three, present embodiment adopts granulated active carbon, instead of adopts Powdered Activated Carbon, does not need stirring, aeration etc. to provide the power set of dispersion for Powdered Activated Carbon, saves the energy, Simplified flowsheet complexity; Meanwhile, owing to adopting granulated active carbon, repeatedly can utilize gac by the means such as back flushing, regeneration, avoid gac and can only use once, this reduces the processing costs of water to a great extent;
Four, before granulated active carbon post 3 is located at ultra-filtration membrane membrane cisterna 7 by present embodiment, tap water can be allowed first to enter ultra-filtration membrane membrane cisterna 7 again by granulated active carbon post 3, adopt two-stage process to guarantee that the absolute content of water outlet chinese medicine drugs is relatively low, ensure effluent quality safety; Meanwhile, because water inlet is first by granulated active carbon post 3, this effectively can reduce Pollution of Ultrafiltration Membrane, extends the cycle of operation; Long-play granulated active carbon post 3 may breed bacteria, and ultra-filtration membrane 4 can effective filter bacteria, and therefore preposition granulated active carbon post 3 can also avoid bacterium in water outlet to exceed standard;
Five, run by gravity is made full use of in present embodiment, the bottom of granulated active carbon post 3 is communicated with the top of ultra-filtration membrane membrane cisterna 7, and this can effectively utilize the gravity of water to flow, without external energy, arranging flow valve 12 just can coutroi velocity, it reduces the processing costs of water; Meanwhile, because granulated active carbon post 3 is arranged on above ultra-filtration membrane membrane cisterna 7, can adopt when arranging and be arranged vertically up and down, this can save space.
Six, present embodiment is by the back flushing to granulated active carbon post 3 and ultra-filtration membrane 4, can avoid growing of microorganism on granulated active carbon, avoid the formation of biological particles gac, guarantee the removal effect of micro-pharmaceuticals in tap water.
Embodiment two: present embodiment is that the method using the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water to remove micro-pharmaceuticals in tap water specifically completes according to the following steps:
One, to filling-modified granulated active carbon in granulated active carbon post 3: modified particles gac is filled in granulated active carbon post 3;
Modified particles gac described in step one and the volume ratio of granulated active carbon post 3 are (0.65 ~ 0.8): 1;
Two, the tap water of process containing micro-pharmaceuticals: close the first granulated active carbon post water port 2, ultra-filtration membrane membrane cisterna water port 8 and the first vacuum breaker 11, re-uses the tap water of flow valve 12 control containing micro-pharmaceuticals from water inlet pipe 1 with 4m
3/ m
2h ~ 16m
3/ m
2the flow velocity of h enters into granulated active carbon post 3 by the first granulated active carbon post water-in 18, then enters into ultra-filtration membrane membrane cisterna 7 by the second granulated active carbon post water port 15, second vacuum breaker 22 and ultra-filtration membrane membrane cisterna water-in 16; Again through ultra-filtration membrane 4, the tap water containing micro-pharmaceuticals through ultra-filtration membrane 4 enters into filtered water tank 9 through pressure transmitter 5, ultra-filtration membrane suction water pump 6, valve 17 and filtered water tank water-in 13, obtains the tap water removing micro-pharmaceuticals.
The advantage of present embodiment and principle of work:
One, present embodiment arranges back flushing layout, can extend the life-span of the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water, guarantee effluent quality safety; Present embodiment arranges the transmembrane pressure of pressure transmitter 5 the real time measure ultra-filtration membrane 4, when transmembrane pressure is less than preset value, just the first granulated active carbon post water port 2, ultra-filtration membrane membrane cisterna water port 8, first vacuum breaker 11 is opened, close the second vacuum breaker 22, run backwash pump 10 pairs of granulated active carbon posts 3 and carry out back flushing, run ultra-filtration membrane suction water pump 6 pairs of ultra-filtration membranes 4 and carry out backwash; The backwash cycle is 40min ~ 240min, and the backwash time is 5min; When backwash can not have efficient recovery transmembrane pressure, in filtered water tank 9, add the dilute hydrochloric acid solution of 0.05mol/L ~ 0.2mol/L, can effectively backwash;
Two, present embodiment adopts modified particles gac to remove micro-pharmaceuticals in tap water, and compared with employing conventional particles gac, the adsorptive power of modified particles gac has remarkable lifting; Hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide or ammonia water modifier is adopted to carry out modification to granulated active carbon, the modified particles gac obtained average adsorption ability when removing sulfamethoxazole in tap water improves 46%, when removing Ibuprofen BP/EP in tap water, average adsorption ability improves 33%, this directly extends the cycle of operation of granulated active carbon post, guarantees that the absolute content of water outlet chinese medicine drugs can remain on lower value within the longer time;
Three, present embodiment adopts granulated active carbon, instead of adopts Powdered Activated Carbon, does not need stirring, aeration etc. to provide the power set of dispersion for Powdered Activated Carbon, saves the energy, Simplified flowsheet complexity; Meanwhile, owing to adopting granulated active carbon, repeatedly can utilize gac by the means such as back flushing, regeneration, avoid gac and can only use once, this reduces the processing costs of water to a great extent;
Four, before granulated active carbon post 3 is located at ultra-filtration membrane membrane cisterna 7 by present embodiment, tap water can be allowed first to enter ultra-filtration membrane membrane cisterna 7 again by granulated active carbon post 3, adopt two-stage process to guarantee that the absolute content of water outlet chinese medicine drugs is relatively low, ensure effluent quality safety; Meanwhile, because water inlet is first by granulated active carbon post 3, this effectively can reduce Pollution of Ultrafiltration Membrane, extends the cycle of operation; Long-play granulated active carbon post 3 may breed bacteria, and ultra-filtration membrane 4 can effective filter bacteria, and therefore preposition granulated active carbon post 3 can also avoid bacterium in water outlet to exceed standard;
Five, run by gravity is made full use of in present embodiment, the bottom of granulated active carbon post 3 is communicated with the top of ultra-filtration membrane membrane cisterna 7, and this can effectively utilize the gravity of water to flow, without external energy, arranging flow valve 12 just can coutroi velocity, it reduces the processing costs of water; Meanwhile, because granulated active carbon post 3 is arranged on above ultra-filtration membrane membrane cisterna 7, can adopt when arranging and be arranged vertically up and down, this can save space.
Six, present embodiment is by the back flushing to granulated active carbon post 3 and ultra-filtration membrane 4, can avoid growing of microorganism on granulated active carbon, avoid the formation of biological particles gac, guarantee the removal effect of micro-pharmaceuticals in tap water.
Embodiment three: present embodiment and embodiment two difference are: in tap water, the concentration of micro-pharmaceuticals is below 10mg.Other steps are identical with embodiment two.
Embodiment four: one of present embodiment and embodiment two or three difference is: in tap water, micro-pharmaceuticals are the mixture of one or more in sulfamethoxazole, Ibuprofen BP/EP and amoxycilline Trihydrate bp.Other steps are identical with embodiment two or three.
When in described tap water, micro-pharmaceuticals are mixture, in mixture each component be arbitrarily than.
Embodiment five: one of present embodiment and embodiment two to four difference is: the flux of ultra-filtration membrane 4 is 10L/hm
2~ 60L/hm
2.Other steps are identical with embodiment two to four.
Embodiment six: one of present embodiment and embodiment two to five difference is: in step 2, use traffic valve 12 to control containing the tap water of micro-pharmaceuticals from water inlet pipe 1 with 8m
3/ m
2the flow velocity of h enters into granulated active carbon post 3 by the first granulated active carbon post water-in 18.Other steps are identical with embodiment two to five.
Embodiment seven: one of present embodiment and embodiment two to six difference is: the modified particles gac described in step one and the volume ratio of granulated active carbon post 3 are 0.65:1.Other steps are identical with embodiment two to six.
Embodiment eight: one of present embodiment and embodiment two to seven difference is: the modified particles gac described in step one prepares according to a kind of in following Lung biopsy:
Method one: add the ammonia soln that massfraction is 5% ~ 25% in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of ammoniacal liquor modification; Re-use distilled water and the granulated active carbon of ammoniacal liquor modification is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method one and massfraction are the volume of the ammonia soln of 5% ~ 25% is 1g:20mL;
Method two: add the hydrochloric acid soln that concentration is 0.05mol/L ~ 4mol/L in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of hydrochloric Acid Modification; Re-use distilled water and the granulated active carbon of hydrochloric Acid Modification is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method two and concentration are the volume of the hydrochloric acid soln of 0.05mol/L ~ 4mol/L is 1g:20mL;
Method three: add the sulphuric acid soln that concentration is 0.05mol/L ~ 4mol/L in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain sulfuric acid modified granulated active carbon; Re-use distilled water and sulfuric acid modified granulated active carbon is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method three and concentration are the volume of the sulphuric acid soln of 0.05mol/L ~ 4mol/L is 1g:20mL;
Method four: add the salpeter solution that concentration is 0.05mol/L ~ 4mol/L in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of Nitric Acid Modified; Re-use distilled water and the granulated active carbon of Nitric Acid Modified is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method four and concentration are the volume of the salpeter solution of 0.05mol/L ~ 4mol/L is 1g:20mL;
Method five: add the ammonia soln that massfraction is 5% ~ 25% in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of hydrogen peroxide modification; Re-use distilled water and the granulated active carbon of hydrogen peroxide modification is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method five and massfraction are the volume of the ammonia soln of 5% ~ 25% is 1g:20mL.Other steps are identical with embodiment two to seven.
Adopt following verification experimental verification beneficial effect of the present invention:
Test one: the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water, it comprises water inlet pipe 1, first granulated active carbon post water port 2, granulated active carbon post 3, ultra-filtration membrane 4, pressure transmitter 5, ultra-filtration membrane suction water pump 6, ultra-filtration membrane membrane cisterna 7, ultra-filtration membrane membrane cisterna water port 8, filtered water tank 9, backwash pump 10, first vacuum breaker 11, flow valve 12, filtered water tank water-in 13, second granulated active carbon post water-in 14, second granulated active carbon post water port 15, ultra-filtration membrane membrane cisterna water-in 16, valve 17, first granulated active carbon post water-in 18, first row water pipe 19, filtered water tank water port 20, second row water pipe 21 and the second vacuum breaker 22,
The first described granulated active carbon post water-in 18, second granulated active carbon post water-in 14, first granulated active carbon post water port 2 and the second granulated active carbon post water port 15 are arranged on granulated active carbon post 3, and with the intracavity inter-connection of granulated active carbon post 3; Ultra-filtration membrane membrane cisterna water-in 16 and ultra-filtration membrane membrane cisterna water port 8 are arranged on ultra-filtration membrane membrane cisterna 7, and are communicated with in ultra-filtration membrane membrane cisterna 7; Filtered water tank water-in 13 and filtered water tank water port 20 are arranged on filtered water tank 9, and are communicated with in filtered water tank 9;
Described water inlet pipe 1 is connected with the first granulated active carbon post water-in 18 by flow valve 12; Second granulated active carbon post water port 15 is connected with ultra-filtration membrane membrane cisterna water-in 16 by the second vacuum breaker 22, and the second granulated active carbon post water port 15 is coaxially isometrical with ultra-filtration membrane membrane cisterna water-in 16; Ultra-filtration membrane 4 is arranged in ultra-filtration membrane membrane cisterna 7, and ultra-filtration membrane 4 is connected with filtered water tank water-in 13 with valve 17 by pressure transmitter 5, ultra-filtration membrane suction water pump 6; Filtered water tank water port 20 is connected with the second granulated active carbon post water-in 14 with backwash pump 10 by the first vacuum breaker 11.
The method using the removal device of micro-pharmaceuticals in a kind of tap water to remove micro-pharmaceuticals in tap water specifically completes according to the following steps:
One, to filling-modified granulated active carbon in granulated active carbon post 3: modified particles gac is filled in granulated active carbon post 3;
Modified particles gac described in step one and the volume ratio of granulated active carbon post 3 are 0.65:1;
Modified particles gac described in step one is prepared in accordance with the following methods:
In granulated active carbon, add the sulphuric acid soln that concentration is 0.5mol/L, under room temperature and stirring velocity be process 10h under the condition of 400r/min, obtain sulfuric acid modified granulated active carbon; Re-use distilled water and sulfuric acid modified granulated active carbon is washed till neutrality, after drying, obtain modified particles gac;
The quality of described granulated active carbon and concentration are the volume of the sulphuric acid soln of 0.5mol/L is 1g:20mL;
Two, the tap water of process containing micro-pharmaceuticals: use traffic valve 12 controls to contain sulfamethoxazole tap water from water inlet pipe 1 with 8m
3/ m
2the flow velocity of h enters into granulated active carbon post 3 by the first granulated active carbon post water-in 18, ultra-filtration membrane membrane cisterna 7 is entered into again by the second granulated active carbon post water port 15, second vacuum breaker 22 and ultra-filtration membrane membrane cisterna water-in 16, again through ultra-filtration membrane 4, the tap water containing micro-pharmaceuticals through ultra-filtration membrane 4 enters into filtered water tank 9 through pressure transmitter 5, ultra-filtration membrane suction water pump 6, valve 17 and filtered water tank water-in 13, obtains the tap water removing micro-pharmaceuticals;
In the tap water of test described in one, micro-pharmaceuticals are sulfamethoxazole; The concentration of described sulfamethoxazole is 1mg/L;
The flux of the ultra-filtration membrane 4 of test described in one is 20L/hm
2;
Use the removal device of micro-pharmaceuticals in a kind of tap water to remove in tap water after micro-pharmaceuticals in test one, do not detect in tap water and contain sulfamethoxazole, this test clearance is 100%.
Test two: the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water, it comprises water inlet pipe 1, first granulated active carbon post water port 2, granulated active carbon post 3, ultra-filtration membrane 4, pressure transmitter 5, ultra-filtration membrane suction water pump 6, ultra-filtration membrane membrane cisterna 7, ultra-filtration membrane membrane cisterna water port 8, filtered water tank 9, backwash pump 10, first vacuum breaker 11, flow valve 12, filtered water tank water-in 13, second granulated active carbon post water-in 14, second granulated active carbon post water port 15, ultra-filtration membrane membrane cisterna water-in 16, valve 17, first granulated active carbon post water-in 18, first row water pipe 19, filtered water tank water port 20, second row water pipe 21 and the second vacuum breaker 22,
The first described granulated active carbon post water-in 18, second granulated active carbon post water-in 14, first granulated active carbon post water port 2 and the second granulated active carbon post water port 15 are arranged on granulated active carbon post 3, and with the intracavity inter-connection of granulated active carbon post 3; Ultra-filtration membrane membrane cisterna water-in 16 and ultra-filtration membrane membrane cisterna water port 8 are arranged on ultra-filtration membrane membrane cisterna 7, and are communicated with in ultra-filtration membrane membrane cisterna 7; Filtered water tank water-in 13 and filtered water tank water port 20 are arranged on filtered water tank 9, and are communicated with in filtered water tank 9;
Described water inlet pipe 1 is connected with the first granulated active carbon post water-in 18 by flow valve 12; Second granulated active carbon post water port 15 is connected with ultra-filtration membrane membrane cisterna water-in 16 by the second vacuum breaker 22, and the second granulated active carbon post water port 15 is coaxially isometrical with ultra-filtration membrane membrane cisterna water-in 16; Ultra-filtration membrane 4 is arranged in ultra-filtration membrane membrane cisterna 7, and ultra-filtration membrane 4 is connected with filtered water tank water-in 13 with valve 17 by pressure transmitter 5, ultra-filtration membrane suction water pump 6; Filtered water tank water port 20 is connected with the second granulated active carbon post water-in 14 with backwash pump 10 by the first vacuum breaker 11.
The method using the removal device of micro-pharmaceuticals in a kind of tap water to remove micro-pharmaceuticals in tap water specifically completes according to the following steps:
One, to filling-modified granulated active carbon in granulated active carbon post 3: modified particles gac is filled in granulated active carbon post 3;
Modified particles gac described in step one and the volume ratio of granulated active carbon post 3 are 0.65:1;
Modified particles gac described in step one is prepared in accordance with the following methods:
In granulated active carbon, add the sulphuric acid soln that concentration is 0.5mol/L, under room temperature and stirring velocity be process 10h under the condition of 400r/min, obtain sulfuric acid modified granulated active carbon; Re-use distilled water and sulfuric acid modified granulated active carbon is washed till neutrality, after drying, obtain modified particles gac;
The quality of described granulated active carbon and concentration are the volume of the sulphuric acid soln of 0.5mol/L is 1g:20mL;
Two, the tap water of process containing micro-pharmaceuticals: use traffic valve 12 controls to contain sulfamethoxazole tap water from water inlet pipe 1 with 8m
3/ m
2the flow velocity of h enters into granulated active carbon post 3 by the first granulated active carbon post water-in 18, ultra-filtration membrane membrane cisterna 7 is entered into again by the second granulated active carbon post water port 15, second vacuum breaker 22 and ultra-filtration membrane membrane cisterna water-in 16, again through ultra-filtration membrane 4, the tap water containing micro-pharmaceuticals through ultra-filtration membrane 4 enters into filtered water tank 9 through pressure transmitter 5, ultra-filtration membrane suction water pump 6, valve 17 and filtered water tank water-in 13, obtains the tap water removing micro-pharmaceuticals;
In the tap water of test described in one, micro-pharmaceuticals are Ibuprofen BP/EP; The concentration of described Ibuprofen BP/EP is 1mg/L;
The flux of the ultra-filtration membrane 4 of test described in one is 20L/hm
2;
Use the removal device of micro-pharmaceuticals in a kind of tap water to remove in tap water after micro-pharmaceuticals in test one, do not detect in tap water and contain Ibuprofen BP/EP, this test clearance is 100%.
Claims (7)
1. use the gac removing micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit to remove the method for micro-pharmaceuticals in tap water, it is characterized in that what the method using the gac-ultra-filtration membrane combination unit removing micro-pharmaceuticals in tap water to remove micro-pharmaceuticals in tap water specifically completed according to the following steps:
One, to filling-modified granulated active carbon in granulated active carbon post (3): modified particles gac is filled in granulated active carbon post (3);
The volume ratio of the modified particles gac described in step one and granulated active carbon post (3) is (0.65 ~ 0.8): 1;
Two, the tap water of process containing micro-pharmaceuticals: close the first granulated active carbon post water port (2), ultra-filtration membrane membrane cisterna water port (8) and the first vacuum breaker (11), re-uses the tap water of flow valve (12) control containing micro-pharmaceuticals from water inlet pipe (1) with 4m
3/ m
2h ~ 16m
3/ m
2the flow velocity of h enters into granulated active carbon post (3) by the first granulated active carbon post water-in (18), then enters into ultra-filtration membrane membrane cisterna (7) by the second granulated active carbon post water port (15), the second vacuum breaker (22) and ultra-filtration membrane membrane cisterna water-in (16); Again through ultra-filtration membrane (4), the tap water containing micro-pharmaceuticals through ultra-filtration membrane (4) enters into filtered water tank (9) through pressure transmitter (5), ultra-filtration membrane suction water pump (6), valve (17) and filtered water tank water-in (13), obtains the tap water removing micro-pharmaceuticals;
Remove the gac-ultra-filtration membrane combination unit of micro-pharmaceuticals in tap water, it comprises water inlet pipe (1), first granulated active carbon post water port (2), granulated active carbon post (3), ultra-filtration membrane (4), pressure transmitter (5), ultra-filtration membrane suction water pump (6), ultra-filtration membrane membrane cisterna (7), ultra-filtration membrane membrane cisterna water port (8), filtered water tank (9), backwash pump (10), first vacuum breaker (11), flow valve (12), filtered water tank water-in (13), second granulated active carbon post water-in (14), second granulated active carbon post water port (15), ultra-filtration membrane membrane cisterna water-in (16), valve (17), first granulated active carbon post water-in (18), first row water pipe (19), filtered water tank water port (20), second row water pipe (21) and the second vacuum breaker (22),
The first described granulated active carbon post water-in (18), the second granulated active carbon post water-in (14), the first granulated active carbon post water port (2) and the second granulated active carbon post water port (15) are arranged on granulated active carbon post (3), and with the intracavity inter-connection of granulated active carbon post (3); Ultra-filtration membrane membrane cisterna water-in (16) and ultra-filtration membrane membrane cisterna water port (8) are arranged on ultra-filtration membrane membrane cisterna (7), and are communicated with in ultra-filtration membrane membrane cisterna (7); Filtered water tank water-in (13) and filtered water tank water port (20) are arranged on filtered water tank (9), and are communicated with in filtered water tank (9);
Described water inlet pipe (1) is connected with the first granulated active carbon post water-in (18) by flow valve (12); Second granulated active carbon post water port (15) is connected with ultra-filtration membrane membrane cisterna water-in (16) by the second vacuum breaker (22), and the second granulated active carbon post water port (15) is coaxially isometrical with ultra-filtration membrane membrane cisterna water-in (16); Ultra-filtration membrane (4) is arranged in ultra-filtration membrane membrane cisterna (7), and ultra-filtration membrane (4) is connected with filtered water tank water-in (13) with valve (17) by pressure transmitter (5), ultra-filtration membrane suction water pump (6); Filtered water tank water port (20) is connected with the second granulated active carbon post water-in (14) with backwash pump (10) by the first vacuum breaker (11).
2. the method using micro-pharmaceuticals in the gac and ultra-filtration membrane combination unit removal tap water removing micro-pharmaceuticals in tap water according to claim 1, is characterized in that the concentration of micro-pharmaceuticals in tap water is below 10mg.
3. the method using micro-pharmaceuticals in the gac and ultra-filtration membrane combination unit removal tap water removing micro-pharmaceuticals in tap water according to claim 1, is characterized in that in tap water, micro-pharmaceuticals are the mixture of one or more in sulfamethoxazole, Ibuprofen BP/EP and amoxycilline Trihydrate bp.
4. the method using micro-pharmaceuticals in the gac and ultra-filtration membrane combination unit removal tap water removing micro-pharmaceuticals in tap water according to claim 1, is characterized in that the flux of ultra-filtration membrane (4) is 10L/hm
2~ 60L/hm
2.
5. the method using the gac of removing micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit to remove micro-pharmaceuticals in tap water according to claim 1, is characterized in that use traffic valve (12) in step 2 controls tap water containing micro-pharmaceuticals from water inlet pipe (1) with 8m
3/ m
2the flow velocity of h enters into granulated active carbon post (3) by the first granulated active carbon post water-in (18).
6. the method using the gac of removing micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit to remove micro-pharmaceuticals in tap water according to claim 1, is characterized in that the volume ratio of modified particles gac described in step one and granulated active carbon post (3) is 0.65:1.
7. the method using the gac of removing micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit to remove micro-pharmaceuticals in tap water according to claim 1, the modified particles gac that it is characterized in that described in step one prepares according to a kind of in following four kinds of methods:
Method one: add the ammonia soln that massfraction is 5% ~ 25% in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of ammoniacal liquor modification; Re-use distilled water and the granulated active carbon of ammoniacal liquor modification is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method one and massfraction are the volume of the ammonia soln of 5% ~ 25% is 1g:20mL;
Method two: add the hydrochloric acid soln that concentration is 0.05mol/L ~ 4mol/L in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of hydrochloric Acid Modification; Re-use distilled water and the granulated active carbon of hydrochloric Acid Modification is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method two and concentration are the volume of the hydrochloric acid soln of 0.05mol/L ~ 4mol/L is 1g:20mL;
Method three: add the sulphuric acid soln that concentration is 0.05mol/L ~ 4mol/L in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain sulfuric acid modified granulated active carbon; Re-use distilled water and sulfuric acid modified granulated active carbon is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method three and concentration are the volume of the sulphuric acid soln of 0.05mol/L ~ 4mol/L is 1g:20mL;
Method four: add the salpeter solution that concentration is 0.05mol/L ~ 4mol/L in granulated active carbon, under room temperature and stirring velocity be process 6h ~ 12h under the condition of 200r/min ~ 800r/min, obtain the granulated active carbon of Nitric Acid Modified; Re-use distilled water and the granulated active carbon of Nitric Acid Modified is washed till neutrality, after drying, obtain modified particles gac;
The quality of the granulated active carbon described in method four and concentration are the volume of the salpeter solution of 0.05mol/L ~ 4mol/L is 1g:20mL.
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| CN201410290909.5A CN104098197B (en) | 2014-06-25 | 2014-06-25 | Gac-ultra-filtration membrane the combination unit removing micro-pharmaceuticals in tap water is used to remove the method for micro-pharmaceuticals in tap water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290909.5A CN104098197B (en) | 2014-06-25 | 2014-06-25 | Gac-ultra-filtration membrane the combination unit removing micro-pharmaceuticals in tap water is used to remove the method for micro-pharmaceuticals in tap water |
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|---|---|
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| CN104098197B true CN104098197B (en) | 2015-10-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219848A (en) * | 2008-01-23 | 2008-07-16 | 哈尔滨工业大学 | Drinking water deeply purifying method and device |
| CN102092899A (en) * | 2010-12-17 | 2011-06-15 | 清华大学 | System and method for removing natural organic substances and odor-induced substances in micro polluted water |
| CN102642989A (en) * | 2012-04-28 | 2012-08-22 | 山东理工大学 | Recycling treatment device of high-salt reverse osmosis concentrated water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0813360B2 (en) * | 1989-10-30 | 1996-02-14 | 株式会社大林組 | Water supply system for drinking water |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219848A (en) * | 2008-01-23 | 2008-07-16 | 哈尔滨工业大学 | Drinking water deeply purifying method and device |
| CN102092899A (en) * | 2010-12-17 | 2011-06-15 | 清华大学 | System and method for removing natural organic substances and odor-induced substances in micro polluted water |
| CN102642989A (en) * | 2012-04-28 | 2012-08-22 | 山东理工大学 | Recycling treatment device of high-salt reverse osmosis concentrated water |
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