CN104098197A - Assembled device for removing activated carbon and ultrafiltration membrane in micro medical drugs in tap water and method for removing micro medical drugs in tap water - Google Patents
Assembled device for removing activated carbon and ultrafiltration membrane in micro medical drugs in tap water and method for removing micro medical drugs in tap water Download PDFInfo
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- CN104098197A CN104098197A CN201410290909.5A CN201410290909A CN104098197A CN 104098197 A CN104098197 A CN 104098197A CN 201410290909 A CN201410290909 A CN 201410290909A CN 104098197 A CN104098197 A CN 104098197A
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Abstract
The invention discloses an assembled device for removing activated carbon and an ultrafiltration membrane in micro medical drugs in tap water and a method for removing micro medical drugs in the tap water, relates to a device and a method for removing micro medical drugs in the tap water, and aims to solve the problem that the conventional method for removing micro medical drugs in the tap water is expensive in price, not suitable for being popularized and poor in removing effect. The device comprises a water inlet pipe, a first granular active carbon column water outlet, a granular active carbon column, the ultrafiltration membrane, a pressure sensor, an ultrafiltration membrane pumping water pump, an ultrafiltration membrane tank, a fresh water box, a back washing water pump, a check valve, a flow valve, a fresh water box water inlet, an ultrafiltration membrane tank water inlet, a first granular active carbon column water inlet, a water drainage pipe and a fresh water box water outlet. The method for removing the micro medical drugs in the tap water comprises the steps of 1, filling modified granular active carbon into the granular active carbon column, and 2, treating the tap water containing the micro medical drugs. The device and the method can be used for removing the micro medical drugs in the tap water.
Description
Technical field
The present invention relates to a kind of method of removing the device of micro-pharmaceuticals in tap water and removing micro-pharmaceuticals in tap water.
Background technology
Pharmaceuticals application is in daily life very extensive, but in recent years, comprise that the water in water and the water supply plant clean water basin in community tap water, public supply mains 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 that exist in water often have the features such as complex structure, biological degradability be poor and the inapplicable water treatment that is applied to of carrying out a biological disposal upon; The obvious processing effect to the pharmaceuticals in tap water such as electrochemical techniques, high-level oxidation technology, but expend higher, be difficult for promote.
Absorption method is easy, effective treatment process, contains pharmaceuticals water compared with suitable treatment.In the sorbent material of application at present, according to the requirement to sorbent material, Properties of Activated Carbon is best, most widely used, still, due to adsorption efficiency and the cost consumption of traditional gac, make it for the treatment of when the pharmaceuticals water, use has been subject to certain restriction, is necessary to change by economic, easy method of modifying the physico-chemical property of gac itself, improves the adsorption of gac to pharmaceuticals.
Gac-ultra-filtration membrane combination process can comprise that pharmaceuticals are 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, powder charcoal 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, should not promote the problem not good with removal effect, and gac and the ultra-filtration membrane combination unit of removing micro-pharmaceuticals in tap water and the method for removing micro-pharmaceuticals in tap water thereof are provided.
Remove gac and the ultra-filtration membrane combination unit of micro-pharmaceuticals in tap water, it 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, ultra-filtration membrane membrane cisterna water port, filtered water tank, backwash pump, the first vacuum breaker, flow valve, filtered water tank water-in, the second granulated active carbon post water-in, the second granulated active carbon post water port, ultra-filtration membrane membrane cisterna water-in, valve, the 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,
Described the first 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; The 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 is isometrical coaxial with ultra-filtration membrane membrane cisterna water-in; Ultra-filtration membrane is arranged in ultra-filtration membrane membrane cisterna, and ultra-filtration membrane is connected with filtered water tank water-in by pressure transmitter, ultra-filtration membrane suction water pump and valve; Filtered water tank water port is connected with the second granulated active carbon post water-in by the first vacuum breaker and backwash pump.
In use removal tap water, the gac of micro-pharmaceuticals and ultra-filtration membrane combination unit are removed 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 1 and the volume ratio of granulated active carbon post are (0.65～0.8): 1;
Two, process the tap water that contains micro-pharmaceuticals: close the first granulated active carbon post water port, ultra-filtration membrane membrane cisterna water port and the first vacuum breaker, re-use tap water that flow valve control contains 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; See through ultra-filtration membrane, the tap water that contains micro-pharmaceuticals that sees 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 removing the tap water of micro-pharmaceuticals again.
Advantage of the present invention and principle of work:
One, the present invention arranges back flushing layout, can extend and remove the gac of micro-pharmaceuticals and the life-span of ultra-filtration membrane combination unit in tap water, guarantees effluent quality safety; The present invention arranges the transmembrane pressure of pressure transmitter the real time measure ultra-filtration membrane, in the time that transmembrane pressure is less than preset value, just open the first granulated active carbon post water port, ultra-filtration membrane membrane cisterna water port, the first vacuum breaker, close the second vacuum breaker, operation backwash pump carries out back flushing to granulated active carbon post, and operation ultra-filtration membrane suction water pump carries out backwash to ultra-filtration membrane; The backwash cycle is 40min～240min, and the backwash time is 5min; In the time that backwash can not have efficient recovery transmembrane pressure, to the dilute hydrochloric acid solution that adds 0.05mol/L～0.2mol/L in filtered water tank, effectively backwash;
Two, the present invention adopts modified particles gac to remove micro-pharmaceuticals in tap water, and compared with adopting conventional particles gac, the adsorptive power of modified particles gac has remarkable lifting; Adopt hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide or ammoniacal liquor properties-correcting agent to carry out modification to granulated active carbon, the modified particles gac obtaining average adsorptive power in the time removing in tap water sulfamethoxazole has improved 46%, in the time removing in tap water Ibuprofen BP/EP, average adsorptive power has improved 33%, this has directly extended the cycle of operation of granulated active carbon post, guarantees that the absolute content of water outlet traditional Chinese medical science medicine 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 stirrings, aeration etc. to provide the power set of dispersion for Powdered Activated Carbon, saves the energy, simplification process complexity; Meanwhile, owing to adopting granulated active carbon, can repeatedly utilize gac by the means such as back flushing, regeneration, avoid gac can only use once, this has reduced the processing costs of water to a great extent;
Four, the present invention is located at granulated active carbon post before ultra-filtration membrane membrane cisterna, can allow tap water first enter ultra-filtration membrane membrane cisterna by granulated active carbon post again, adopts two-stage process to guarantee that the absolute content of water outlet traditional Chinese medical science medicine is relatively low, ensures effluent quality safety; Meanwhile, because water inlet is first by granulated active carbon post, this can effectively reduce Pollution of Ultrafiltration Membrane, extends the cycle of operation; Long-play granulated active carbon post may breed bacteria, and ultra-filtration membrane can effectively filter bacterium, and therefore preposition granulated active carbon post can also avoid bacterium in water outlet to exceed standard;
Five, in the present invention, make full use of run by gravity, 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, flow valve is set just can coutroi velocity, and this has reduced the processing costs of water; Meanwhile, because granulated active carbon post is arranged on ultra-filtration membrane membrane cisterna top, in the time arranging, can adopt up and down and be arranged vertically, 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, avoids the formation of biological particles gac, guarantees the removal effect of micro-pharmaceuticals in tap water.
Brief description of the drawings
Fig. 1 is the gac of micro-pharmaceuticals and the structural representation of ultra-filtration membrane combination unit in the removal tap water described in embodiment one.
Embodiment
Embodiment one: gac and the ultra-filtration membrane combination unit of removing micro-pharmaceuticals in tap water, it comprises water inlet pipe 1, the 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, the first vacuum breaker 11, flow valve 12, filtered water tank water-in 13, the second granulated active carbon post water-in 14, the second granulated active carbon post water port 15, ultra-filtration membrane membrane cisterna water-in 16, valve 17, the 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,
Described the first 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 ultra-filtration membrane membrane cisterna 7 is interior; Filtered water tank water-in 13 and filtered water tank water port 20 are arranged on filtered water tank 9, and are communicated with filtered water tank 9 is interior;
Described water inlet pipe 1 is connected with the first granulated active carbon post water-in 18 by flow valve 12; The 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 isometrical coaxial 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 by pressure transmitter 5, ultra-filtration membrane suction water pump 6 and valve 17; Filtered water tank water port 20 is connected with the second granulated active carbon post water-in 14 by the first vacuum breaker 11 and backwash pump 10.
Fig. 1 is the gac of micro-pharmaceuticals and the structural representation of ultra-filtration membrane combination unit 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 and remove the gac of micro-pharmaceuticals and the life-span of ultra-filtration membrane combination unit in tap water, guarantees effluent quality safety; Present embodiment arranges the transmembrane pressure of pressure transmitter 5 the real time measure ultra-filtration membranes 4, in the time that transmembrane pressure is less than preset value, just open the first granulated active carbon post water port 2, ultra-filtration membrane membrane cisterna water port 8, the first vacuum breaker 11, close the second vacuum breaker 22, operation backwash pump 10 carries out back flushing to granulated active carbon post 3, and operation ultra-filtration membrane suction water pump 6 carries out backwash to ultra-filtration membrane 4; The backwash cycle is 40min～240min, and the backwash time is 5min; In the time that backwash can not have efficient recovery transmembrane pressure, to the dilute hydrochloric acid solution that adds 0.05mol/L～0.2mol/L in filtered water tank 9, effectively backwash;
Two, present embodiment adopts modified particles gac to remove micro-pharmaceuticals in tap water, and compared with adopting conventional particles gac, the adsorptive power of modified particles gac has remarkable lifting; Adopt hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide or ammoniacal liquor properties-correcting agent to carry out modification to granulated active carbon, the modified particles gac obtaining average adsorptive power in the time removing in tap water sulfamethoxazole has improved 46%, in the time removing in tap water Ibuprofen BP/EP, average adsorptive power has improved 33%, this has directly extended the cycle of operation of granulated active carbon post, guarantees that the absolute content of water outlet traditional Chinese medical science medicine 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 stirrings, aeration etc. to provide the power set of dispersion for Powdered Activated Carbon, saves the energy, simplification process complexity; Meanwhile, owing to adopting granulated active carbon, can repeatedly utilize gac by the means such as back flushing, regeneration, avoid gac can only use once, this has reduced the processing costs of water to a great extent;
Four, present embodiment is located at granulated active carbon post 3 before ultra-filtration membrane membrane cisterna 7, can allow tap water first enter again ultra-filtration membrane membrane cisterna 7 by granulated active carbon post 3, adopt two-stage process to guarantee that the absolute content of water outlet traditional Chinese medical science medicine is relatively low, ensure effluent quality safety; Meanwhile, because water inlet is first by granulated active carbon post 3, this can effectively 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 effectively filter bacterium, and therefore preposition granulated active carbon post 3 can also avoid bacterium in water outlet to exceed standard;
Five, in present embodiment, make full use of run by gravity, 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, flow valve 12 is set just can coutroi velocity, and this has reduced the processing costs of water; Meanwhile, because granulated active carbon post 3 is arranged on ultra-filtration membrane membrane cisterna 7 tops, in the time arranging, can adopt up and down and be arranged vertically, 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, avoids the formation of biological particles gac, guarantees the removal effect of micro-pharmaceuticals in tap water.
Embodiment two: present embodiment is to use to remove the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and remove the method for micro-pharmaceuticals in tap water and specifically complete according to the following steps:
One, to the interior filling-modified granulated active carbon of granulated active carbon post 3: modified particles gac is filled in granulated active carbon post 3;
Modified particles gac described in step 1 and the volume ratio of granulated active carbon post 3 are (0.65～0.8): 1;
Two, process contain micro-pharmaceuticals tap water: 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-use flow valve 12 control the tap water that contains 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; See through ultra-filtration membrane 4, the tap water that contains micro-pharmaceuticals that sees 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 removing the tap water of micro-pharmaceuticals again.
The advantage of present embodiment and principle of work:
One, present embodiment arranges back flushing layout, can extend and remove the gac of micro-pharmaceuticals and the life-span of ultra-filtration membrane combination unit in tap water, guarantees effluent quality safety; Present embodiment arranges the transmembrane pressure of pressure transmitter 5 the real time measure ultra-filtration membranes 4, in the time that transmembrane pressure is less than preset value, just open the first granulated active carbon post water port 2, ultra-filtration membrane membrane cisterna water port 8, the first vacuum breaker 11, close the second vacuum breaker 22, operation backwash pump 10 carries out back flushing to granulated active carbon post 3, and operation ultra-filtration membrane suction water pump 6 carries out backwash to ultra-filtration membrane 4; The backwash cycle is 40min～240min, and the backwash time is 5min; In the time that backwash can not have efficient recovery transmembrane pressure, to the dilute hydrochloric acid solution that adds 0.05mol/L～0.2mol/L in filtered water tank 9, effectively backwash;
Two, present embodiment adopts modified particles gac to remove micro-pharmaceuticals in tap water, and compared with adopting conventional particles gac, the adsorptive power of modified particles gac has remarkable lifting; Adopt hydrochloric acid, sulfuric acid, nitric acid, hydrogen peroxide or ammoniacal liquor properties-correcting agent to carry out modification to granulated active carbon, the modified particles gac obtaining average adsorptive power in the time removing in tap water sulfamethoxazole has improved 46%, in the time removing in tap water Ibuprofen BP/EP, average adsorptive power has improved 33%, this has directly extended the cycle of operation of granulated active carbon post, guarantees that the absolute content of water outlet traditional Chinese medical science medicine 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 stirrings, aeration etc. to provide the power set of dispersion for Powdered Activated Carbon, saves the energy, simplification process complexity; Meanwhile, owing to adopting granulated active carbon, can repeatedly utilize gac by the means such as back flushing, regeneration, avoid gac can only use once, this has reduced the processing costs of water to a great extent;
Four, present embodiment is located at granulated active carbon post 3 before ultra-filtration membrane membrane cisterna 7, can allow tap water first enter again ultra-filtration membrane membrane cisterna 7 by granulated active carbon post 3, adopt two-stage process to guarantee that the absolute content of water outlet traditional Chinese medical science medicine is relatively low, ensure effluent quality safety; Meanwhile, because water inlet is first by granulated active carbon post 3, this can effectively 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 effectively filter bacterium, and therefore preposition granulated active carbon post 3 can also avoid bacterium in water outlet to exceed standard;
Five, in present embodiment, make full use of run by gravity, 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, flow valve 12 is set just can coutroi velocity, and this has reduced the processing costs of water; Meanwhile, because granulated active carbon post 3 is arranged on ultra-filtration membrane membrane cisterna 7 tops, in the time arranging, can adopt up and down and be arranged vertically, 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, avoids the formation of biological particles gac, guarantees the removal effect of micro-pharmaceuticals in tap water.
Embodiment three: present embodiment and embodiment two differences 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 one or more the mixture in sulfamethoxazole, Ibuprofen BP/EP and amoxycilline Trihydrate bp.Other steps are identical with embodiment two or three.
In the time that 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 control the tap water that contains 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 1 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 1 is according to a kind of preparation the in following Lung biopsy:
Method one: be 5%～25% ammonia soln to adding massfraction in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of ammoniacal liquor modification; Re-use distilled water the granulated active carbon of ammoniacal liquor modification is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method one and massfraction are that the volume of 5%～25% ammonia soln is 1g:20mL;
Method two: be the hydrochloric acid soln of 0.05mol/L～4mol/L to adding concentration in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of hydrochloric Acid Modification; Re-use distilled water the granulated active carbon of hydrochloric Acid Modification is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method two and concentration are that the volume of the hydrochloric acid soln of 0.05mol/L～4mol/L is 1g:20mL;
Method three: be the sulphuric acid soln of 0.05mol/L～4mol/L to adding concentration in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain sulfuric acid modified granulated active carbon; Re-use distilled water sulfuric acid modified granulated active carbon is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method three and concentration are that the volume of the sulphuric acid soln of 0.05mol/L～4mol/L is 1g:20mL;
Method four: be the salpeter solution of 0.05mol/L～4mol/L to adding concentration in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of Nitric Acid Modified; Re-use distilled water the granulated active carbon of Nitric Acid Modified is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method four and concentration are that the volume of the salpeter solution of 0.05mol/L～4mol/L is 1g:20mL;
Method five: be 5%～25% ammonia soln to adding massfraction in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of hydrogen peroxide modification; Re-use distilled water the granulated active carbon of hydrogen peroxide modification is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method five and massfraction are that the volume of 5%～25% ammonia soln 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: gac and the ultra-filtration membrane combination unit of removing micro-pharmaceuticals in tap water, it comprises water inlet pipe 1, the 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, the first vacuum breaker 11, flow valve 12, filtered water tank water-in 13, the second granulated active carbon post water-in 14, the second granulated active carbon post water port 15, ultra-filtration membrane membrane cisterna water-in 16, valve 17, the 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,
Described the first 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 ultra-filtration membrane membrane cisterna 7 is interior; Filtered water tank water-in 13 and filtered water tank water port 20 are arranged on filtered water tank 9, and are communicated with filtered water tank 9 is interior;
Described water inlet pipe 1 is connected with the first granulated active carbon post water-in 18 by flow valve 12; The 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 isometrical coaxial 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 by pressure transmitter 5, ultra-filtration membrane suction water pump 6 and valve 17; Filtered water tank water port 20 is connected with the second granulated active carbon post water-in 14 by the first vacuum breaker 11 and backwash pump 10.
Use the removal device of micro-pharmaceuticals in a kind of tap water to remove in tap water that the method for micro-pharmaceuticals specifically completes according to the following steps:
One, to the interior filling-modified granulated active carbon of granulated active carbon post 3: modified particles gac is filled in granulated active carbon post 3;
Modified particles gac described in step 1 and the volume ratio of granulated active carbon post 3 are 0.65:1;
Modified particles gac described in step 1 is prepared in accordance with the following methods:
Be the sulphuric acid soln of 0.5mol/L to adding concentration in granulated active carbon, under room temperature and under the stirring velocity condition that is 400r/min, process 10h, obtain sulfuric acid modified granulated active carbon; Re-use distilled water sulfuric acid modified granulated active carbon is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of described granulated active carbon and concentration are that the volume of the sulphuric acid soln of 0.5mol/L is 1g:20mL;
Two, process the tap water that contains micro-pharmaceuticals: use traffic valve 12 control 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, enter 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, see through again ultra-filtration membrane 4, the tap water that contains micro-pharmaceuticals that sees 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 removing the tap water of micro-pharmaceuticals;
In tap water described in test one, micro-pharmaceuticals are sulfamethoxazole; The concentration of described sulfamethoxazole is 1mg/L;
The flux of the ultra-filtration membrane 4 described in test one is 20L/hm
2;
Test is used in one the removal device of micro-pharmaceuticals in a kind of tap water to remove in tap water after micro-pharmaceuticals, does not detect in tap water and contains sulfamethoxazole, and this test clearance is 100%.
Test two: gac and the ultra-filtration membrane combination unit of removing micro-pharmaceuticals in tap water, it comprises water inlet pipe 1, the 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, the first vacuum breaker 11, flow valve 12, filtered water tank water-in 13, the second granulated active carbon post water-in 14, the second granulated active carbon post water port 15, ultra-filtration membrane membrane cisterna water-in 16, valve 17, the 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,
Described the first 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 ultra-filtration membrane membrane cisterna 7 is interior; Filtered water tank water-in 13 and filtered water tank water port 20 are arranged on filtered water tank 9, and are communicated with filtered water tank 9 is interior;
Described water inlet pipe 1 is connected with the first granulated active carbon post water-in 18 by flow valve 12; The 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 isometrical coaxial 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 by pressure transmitter 5, ultra-filtration membrane suction water pump 6 and valve 17; Filtered water tank water port 20 is connected with the second granulated active carbon post water-in 14 by the first vacuum breaker 11 and backwash pump 10.
Use the removal device of micro-pharmaceuticals in a kind of tap water to remove in tap water that the method for micro-pharmaceuticals specifically completes according to the following steps:
One, to the interior filling-modified granulated active carbon of granulated active carbon post 3: modified particles gac is filled in granulated active carbon post 3;
Modified particles gac described in step 1 and the volume ratio of granulated active carbon post 3 are 0.65:1;
Modified particles gac described in step 1 is prepared in accordance with the following methods:
Be the sulphuric acid soln of 0.5mol/L to adding concentration in granulated active carbon, under room temperature and under the stirring velocity condition that is 400r/min, process 10h, obtain sulfuric acid modified granulated active carbon; Re-use distilled water sulfuric acid modified granulated active carbon is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of described granulated active carbon and concentration are that the volume of the sulphuric acid soln of 0.5mol/L is 1g:20mL;
Two, process the tap water that contains micro-pharmaceuticals: use traffic valve 12 control 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, enter 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, see through again ultra-filtration membrane 4, the tap water that contains micro-pharmaceuticals that sees 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 removing the tap water of micro-pharmaceuticals;
In tap water described in test 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 described in test one is 20L/hm
2;
Test is used in one the removal device of micro-pharmaceuticals in a kind of tap water to remove in tap water after micro-pharmaceuticals, does not detect in tap water and contains Ibuprofen BP/EP, and this test clearance is 100%.
Claims (8)
1. remove gac and the ultra-filtration membrane combination unit of micro-pharmaceuticals in tap water, it is characterized in that it comprises water inlet pipe (1), the 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), the first vacuum breaker (11), flow valve (12), filtered water tank water-in (13), the second granulated active carbon post water-in (14), the second granulated active carbon post water port (15), ultra-filtration membrane membrane cisterna water-in (16), valve (17), the 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),
It is upper that described the first 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) is arranged on granulated active carbon post (3), and with the intracavity inter-connection of granulated active carbon post (3); It is upper that 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 be communicated with in ultra-filtration membrane membrane cisterna (7); It is upper that filtered water tank water-in (13) and filtered water tank water port (20) are arranged on filtered water tank (9), and be 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); The 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 isometrical coaxial 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) by pressure transmitter (5), ultra-filtration membrane suction water pump (6) and valve (17); Filtered water tank water port (20) is connected with the second granulated active carbon post water-in (14) by the first vacuum breaker (11) and backwash pump (10).
2. right to use requires the gac of micro-pharmaceuticals in the removal tap water described in 1 and ultra-filtration membrane combination unit to remove the method for micro-pharmaceuticals in tap water, it is characterized in that using removing the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and removing that the method for micro-pharmaceuticals in tap water specifically completes according to the following steps:
One, to the interior filling-modified granulated active carbon of 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 1 and granulated active carbon post (3) is (0.65～0.8): 1;
Two, process contain micro-pharmaceuticals tap water: 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-use flow valve (12) control the tap water that contains 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); See through again ultra-filtration membrane (4), the tap water that contains micro-pharmaceuticals that sees 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 removing the tap water of micro-pharmaceuticals.
3. the method for micro-pharmaceuticals in tap water is removed the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and is removed in use according to claim 2, and the concentration that it is characterized in that micro-pharmaceuticals in tap water is below 10mg.
4. the method for micro-pharmaceuticals in tap water is removed the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and is removed in use according to claim 2, it is characterized in that micro-pharmaceuticals in tap water are one or more the mixture in sulfamethoxazole, Ibuprofen BP/EP and amoxycilline Trihydrate bp.
5. the method for micro-pharmaceuticals in tap water is removed the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and is removed in use according to claim 2, and the flux that it is characterized in that ultra-filtration membrane (4) is 10L/hm
2～60L/hm
2.
6. the method for micro-pharmaceuticals in tap water is removed the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and is removed in use according to claim 2, it is characterized in that in step 2 use traffic valve (12) control the tap water that contains 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).
7. the method for micro-pharmaceuticals in tap water is removed the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and is removed in use according to claim 2, it is characterized in that modified particles gac described in step 1 and the volume ratio of granulated active carbon post (3) are 0.65:1.
8. the method for micro-pharmaceuticals in tap water is removed the gac of micro-pharmaceuticals in tap water and ultra-filtration membrane combination unit and is removed in use according to claim 2, it is characterized in that the modified particles gac described in step 1 is according to a kind of preparation the in following Lung biopsy:
Method one: be 5%～25% ammonia soln to adding massfraction in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of ammoniacal liquor modification; Re-use distilled water the granulated active carbon of ammoniacal liquor modification is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method one and massfraction are that the volume of 5%～25% ammonia soln is 1g:20mL;
Method two: be the hydrochloric acid soln of 0.05mol/L～4mol/L to adding concentration in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of hydrochloric Acid Modification; Re-use distilled water the granulated active carbon of hydrochloric Acid Modification is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method two and concentration are that the volume of the hydrochloric acid soln of 0.05mol/L～4mol/L is 1g:20mL;
Method three: be the sulphuric acid soln of 0.05mol/L～4mol/L to adding concentration in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain sulfuric acid modified granulated active carbon; Re-use distilled water sulfuric acid modified granulated active carbon is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method three and concentration are that the volume of the sulphuric acid soln of 0.05mol/L～4mol/L is 1g:20mL;
Method four: be the salpeter solution of 0.05mol/L～4mol/L to adding concentration in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of Nitric Acid Modified; Re-use distilled water the granulated active carbon of Nitric Acid Modified is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method four and concentration are that the volume of the salpeter solution of 0.05mol/L～4mol/L is 1g:20mL;
Method five: be 5%～25% ammonia soln to adding massfraction in granulated active carbon, process 6h～12h under room temperature and under the stirring velocity condition that is 200r/min～800r/min, obtain the granulated active carbon of hydrogen peroxide modification; Re-use distilled water the granulated active carbon of hydrogen peroxide modification is washed till to neutrality, after being dried, obtain modified particles gac;
The quality of the granulated active carbon described in method five and massfraction are that the volume of 5%～25% ammonia soln 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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|---|---|---|---|
| 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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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03143592A (en) * | 1989-10-30 | 1991-06-19 | Ohbayashi Corp | Water feed device for drinking water |
| 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 |
-
2014
- 2014-06-25 CN CN201410290909.5A patent/CN104098197B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03143592A (en) * | 1989-10-30 | 1991-06-19 | Ohbayashi Corp | Water feed device for drinking water |
| 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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