CN204369707U - The coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system - Google Patents
The coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system Download PDFInfo
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Abstract
The utility model discloses the coal-based F-T synthesis water of a kind of indirect liquefaction and be separated cleaning treatment system, it comprise filtration unit, primary oil water separation device, secondary water-and-oil separator, in and stirred tank, alcohol knockout tower, mixed alcohol tower top air cooler, return tank of top of the tower, dealcoholysis synthetic water reboiler, dealcoholysis synthetic water water cooler, membrane separation unit and one-level mix alcohol storage tank.The utility model has the advantage of, by F-T synthesis water technologies such as filtration, oil removing, neutralization, alcohol separation, membrane sepn, mixed dehydration of alcohols separation, reach stable, the reliability service of device, extract the mixed alcohol in F-T synthesis water, F-T synthesis water simultaneously after process meets the requirement (recirculated water, feedwater etc.) of other device water, thus realizes the recycle of synthetic water.
Description
Technical field:
The utility model relates to a kind of F-T synthesis water and is separated cleaning treatment system, particularly relates to the coal-based F-T synthesis water of a kind of indirect liquefaction and is separated cleaning treatment system.
Background technology:
The coal-based Fischer-Tropsch synthesis of indirect liquefaction is a kind of chemical reaction process of complexity, and the light oil of generation is also complicated organic mixture, and part light oil can not be separated and deliver to synthetic water storage tank with synthetic water from synthetic water.Light oil leaves standstill at synthetic water storage tank and recycles after long-term accumulated oil level is higher, but still can not realize the object of oily water separation completely.Because light oil is the organism of a kind of molecule much larger than water molecules, applying membrane filtering technology can realize the object synthetic water containing a small amount of light oil being reached oily water separation, makes synthetic water by film, and light oil be retained in film side and constantly gathering then reclaim light oil.But a small amount of suspended substance diameter that synthetic water is brought in Cemented filling and storage process is also greater than mould material pore diameter, also can be gathered in mould material side with light oil, usually makes film generation blocking not realize oily water separation, affect device continuous and steady operation.
The coal-based liquefaction process of indirect liquefaction is that unstripped gas enters paste state bed reactor under certain temperature and pressure, Fischer-Tropsch synthesis is there is under the effect of catalyzer, generate light ends oil, heavy distillate, pyroparaffine, water, a small amount of oxygenatedchemicals, in synthetic water, mixed alcohol accounts for the 1-5% of total component, cause the COD of F-T synthesis water higher, biochemical processing can not be used to process in a large number, and recovery difficult is large, outer pollution discharging environment.
Utility model content:
First object of the present utility model is to provide one to make light oil, mixed alcohol and water separation, thus reaches the indirect liquefaction effectively utilized coal-based F-T synthesis water separation cleaning treatment system.
First object of the present utility model is implemented by following technical scheme, the coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system, it comprise filtration unit, primary oil water separation device, secondary water-and-oil separator, in and stirred tank, alcohol knockout tower, mixed alcohol tower top air cooler, return tank of top of the tower, dealcoholysis synthetic water reboiler, dealcoholysis synthetic water water cooler, membrane separation unit and one-level mix alcohol storage tank, described membrane separation unit is conventional suite of equipment.Manufacturer is for closing many high-techs (Beijing) Environmental Technology AS, the water outlet of described filtration unit is connected with the water-in of described primary oil water separation device, the water outlet of described primary oil water separation device is connected with the water-in of described secondary water-and-oil separator, the water outlet of described secondary water-and-oil separator with described in and the water-in of stirred tank be connected, be connected with the water-in of the water outlet of stirred tank with described alcohol knockout tower in described, the mixed alcohol outlet of described alcohol knockout tower is connected with the import of described mixed alcohol tower top air cooler, described mixed alcohol tower top air cooler outlet is connected with the import of described return tank of top of the tower, the bypass outlet of described return tank of top of the tower is connected with the water return outlet of described alcohol knockout tower, the mixed alcohol outlet of described return tank of top of the tower is connected with the import that described one-level mixes alcohol storage tank,
The dealcoholysis synthetic water outlet of described alcohol knockout tower is connected with the water-in of described dealcoholysis synthetic water reboiler and the water-in of described dealcoholysis synthetic water water cooler respectively, the bypass outlet of described dealcoholysis synthetic water reboiler is connected with the water-in of described alcohol knockout tower, and the water outlet of described dealcoholysis synthetic water water cooler is connected with the water-in of described membrane separation unit.
Described filtration unit comprises strainer tube A and strainer tube B, described primary oil water separation device comprises water-and-oil separator A, water-and-oil separator B, water-and-oil separator C and water-and-oil separator D, the outlet of described water-and-oil separator A is connected with the import of described water-and-oil separator B, the outlet of described water-and-oil separator C is connected with the import of described water-and-oil separator D, the outlet of described strainer tube A is connected with described water-and-oil separator A import, the outlet of described strainer tube B is connected with described water-and-oil separator C import, the water outlet of described water-and-oil separator B is all connected with the water-in of described secondary water-and-oil separator with the water outlet of described water-and-oil separator D, wherein, strainer tube A and strainer tube B is according to the pore size of aperture on the processed chimney filter of the diameter of actual suspended substance, light oil and water, aperture is made to be less than the diameter of suspended substance and to be greater than profit molecule, just realize from You Heshui, suspended substance being separated, make device can continous-stable long-term operation.
The outlet of described strainer tube A is also connected with described water-and-oil separator C import, and the outlet of described strainer tube B is also connected with described water-and-oil separator A import, and water-and-oil separator utilizes membrane separation technique to be separated.
Described secondary water-and-oil separator is bi-directional flow surface aggregate formula high precision water-and-oil separator; the separation principle of bi-directional flow surface aggregate formula high precision water-and-oil separator utilizes water different with surface tension to the wetting angle on micro-surface of selected coarse material with oil; make small oil particles can depart from its surface after the surface aggregate of material is grown up to float, thus realize physical sepn oil-water mixture completely.
Preferably, described indirect liquefaction coal-based F-T synthesis water is separated cleaning treatment system and also includes mixed dehydration of alcohols separation system, and described mixed dehydration of alcohols separation system comprises described lightness-removing column, condenser of light component removal column, described lightness-removing column return tank, secondary mixes alcohol storage tank, lightness-removing column reboiler, dehydration tower, dehydration tower condenser A, dehydration tower phase separation tank, recovery tower, recovery tower condenser, recovery tower return tank, recovery tower reboiler, dehydration column reboiler and described dehydration tower condenser B, described one-level is mixed alcohol outlet and is connected with described lightness-removing column import, the heavy constituent outlet of described lightness-removing column is connected with described dehydration tower import and the import of described lightness-removing column reboiler respectively, described lightness-removing column reboiler outlet is connected with described lightness-removing column import, the light fraction outlet of described lightness-removing column is connected with the import of described condenser of light component removal column, described condenser of light component removal column outlet is connected with the import of described lightness-removing column return tank, described lightness-removing column return tank bypass outlet is connected with described lightness-removing column import, and the mixed alcohol outlet of described lightness-removing column return tank mixes the import of alcohol storage tank with described secondary and is connected, the mixed alcohol outlet of described dehydration tower is connected with described dehydration column reboiler import and described dehydration tower condenser B import respectively, described dehydration column reboiler outlet is connected with described dehydration tower import, and described dehydration tower condenser B outlet mixes the import of alcohol storage tank with described secondary and is connected, the azeotrope outlet of described dehydration tower is connected with described dehydration tower condenser A import, described dehydration tower condenser A outlet is connected with the import of described dehydration tower phase separation tank, the light fraction outlet of described dehydration tower phase separation tank is connected with described dehydration tower import, being connected with described recovery tower import containing alcohol water out of described dehydration tower phase separation tank, the light fraction outlet of described recovery tower is connected with described recovery tower condenser inlet, described recovery tower condensator outlet is connected with the import of described recovery tower return tank, described recovery tower return tank outlet is connected with described recovery tower import and described dehydration tower import respectively, the aqueous solution outlet of described recovery tower is connected with the water-in of the import of described recovery tower reboiler and described alcohol knockout tower respectively, described recovery tower reboiler outlet is connected with described recovery tower import.
The utility model has the advantage of, 1, suspended substance in F-T synthesis water can be removed by filtration unit, avoid mould material blocking in primary oil water separation device, thoroughly solve the problem that suspended substance is attached to mould material surface washing difficulty; 2, the utility model system design two groups of strainer tubes and the parallel connection of two groups of water-and-oil separators use, and mutually switching can extension fixture working time, implement device long period continuous and steady operation; 3, due to the Main By product that F-T synthesis water is ICL for Indirect Coal Liquefaction fischer-tropsch reaction, F-T synthesis purifying water process technology has great importance for " the few water of rich coal " regional development Coal Chemical Industry, makes Coal Chemical Industry reduce water consumption greatly; 4, the mixed alcohol produced can be used as fuel, reduces environmental pollution, increases Business Economic Benefit; 5, by F-T synthesis water technologies such as filtration, oil removing, neutralization, alcohol separation, membrane sepn, mixed dehydration of alcohols separation, reach stable, the reliability service of device, extract the mixed alcohol in F-T synthesis water, F-T synthesis water simultaneously after process meets the requirement (recirculated water, feedwater etc.) of other device water, thus realizes the recycle of synthetic water.
Accompanying drawing illustrates:
Fig. 1 is embodiment 1 schematic diagram.
Fig. 2 is embodiment 2 schematic diagram.
Fig. 3 is embodiment 3 schematic diagram.
Fig. 4 is embodiment 4 schematic diagram.
Filtration unit 1, primary oil water separation device 2, secondary water-and-oil separator 3, in and stirred tank 4, alcohol knockout tower 5, mixed alcohol tower top air cooler 6, return tank of top of the tower 7, dealcoholysis synthetic water reboiler 8, dealcoholysis synthetic water water cooler 9, membrane separation unit 10, one-level mixes alcohol storage tank 11, strainer tube A 12, strainer tube B 13, water-and-oil separator A 14, water-and-oil separator B 15, water-and-oil separator C 16, water-and-oil separator D 17, lightness-removing column 18, condenser of light component removal column 19, lightness-removing column return tank 20, secondary mixes alcohol storage tank 21, lightness-removing column reboiler 22, dehydration tower 23, dehydration tower condenser A 24, dehydration tower phase separation tank 25, recovery tower 26, recovery tower condenser 27, recovery tower return tank 28, recovery tower reboiler 29, dehydration column reboiler 30, dehydration tower condenser B 31.
Embodiment 1: as shown in Figure 1, the coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system, it comprise filtration unit 1, primary oil water separation device 2, secondary water-and-oil separator 3, in and stirred tank 4, alcohol knockout tower 5, mixed alcohol tower top air cooler 6, return tank of top of the tower 7, dealcoholysis synthetic water reboiler 8, dealcoholysis synthetic water water cooler 9, membrane separation unit 10 and one-level mix alcohol storage tank 11, membrane separation unit 10 is conventional suite of equipment, and manufacturer is for closing many high-techs (Beijing) Environmental Technology AS, the water outlet of filtration unit 1 is connected with the water-in of primary oil water separation device 2, the water outlet of primary oil water separation device 2 is connected with the water-in of secondary water-and-oil separator 3, the water outlet of secondary water-and-oil separator 3 with in and the water-in of stirred tank 4 be connected, in be connected with the water-in of alcohol knockout tower 5 with the water outlet of stirred tank 4, the mixed alcohol outlet of alcohol knockout tower 5 with mix the import of alcohol tower top air cooler 6 and be connected, mixed alcohol tower top air cooler 6 outlet is connected with the import of return tank of top of the tower 7, the bypass outlet of return tank of top of the tower 7 is connected with the water return outlet of alcohol knockout tower 5, the mixed alcohol outlet of return tank of top of the tower 7 is connected with the import that one-level mixes alcohol storage tank 11,
The dealcoholysis synthetic water outlet of alcohol knockout tower 5 is connected with the water-in of dealcoholysis synthetic water reboiler 8 and the water-in of dealcoholysis synthetic water water cooler 9 respectively, the bypass outlet of dealcoholysis synthetic water reboiler 8 is connected with the water-in of alcohol knockout tower 5, and the water outlet of dealcoholysis synthetic water water cooler 9 is connected with the water-in of membrane separation unit 10.
Filtration unit 1 comprises strainer tube A 12 and strainer tube B 13, primary oil water separation device 2 comprises water-and-oil separator A 14, water-and-oil separator B 15, water-and-oil separator C 16 and water-and-oil separator D 17, the outlet of water-and-oil separator A 14 is connected with the import of water-and-oil separator B 15, the outlet of water-and-oil separator C 16 is connected with the import of water-and-oil separator D 17, the outlet of strainer tube A 12 is connected with water-and-oil separator A 14 import, the outlet of strainer tube B 13 is connected with water-and-oil separator C 16 import, the water outlet of water-and-oil separator B 15 is all connected with the water-in of secondary water-and-oil separator 3 with the water outlet of water-and-oil separator D17, wherein, strainer tube A 12 and strainer tube B 13 is according to the pore size of aperture on the processed chimney filter of the diameter of actual suspended substance, light oil and water, aperture is made to be less than the diameter of suspended substance and to be greater than profit molecule, just realize from You Heshui, suspended substance being separated, make device can continous-stable long-term operation, primary oil water separator 2 utilizes membrane separation technique to be separated.
Secondary water-and-oil separator 3 is bi-directional flow surface aggregate formula high precision water-and-oil separator; the separation principle of bi-directional flow surface aggregate formula high precision water-and-oil separator utilizes water different with surface tension to the wetting angle on micro-surface of selected coarse material with oil; make small oil particles can depart from its surface after the surface aggregate of material is grown up to float, thus realize physical sepn oil-water mixture completely.
Embodiment 2: as shown in Figure 2, the coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system, the difference of the present embodiment and embodiment 1 is, the outlet of strainer tube A 12 is also connected with water-and-oil separator C 16 import, the outlet of strainer tube B 13 is also connected with water-and-oil separator A14 import, and water-and-oil separator utilizes membrane separation technique to be separated.
Embodiment 3: as shown in Figure 3, the coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system, and the difference of the present embodiment and embodiment 1 is, it also includes mixed dehydration of alcohols separation system, and mixed dehydration of alcohols separation system comprises lightness-removing column 18, condenser of light component removal column 19, lightness-removing column return tank 20, secondary mixes alcohol storage tank 21, lightness-removing column reboiler 22, dehydration tower 23, dehydration tower condenser A 24, dehydration tower phase separation tank 25, recovery tower 26, recovery tower condenser 27, recovery tower return tank 28, recovery tower reboiler 29, dehydration column reboiler 30 and dehydration tower condenser B 31, one-level is mixed alcohol storage tank 11 outlet and is connected with lightness-removing column 18 import, the heavy constituent outlet of lightness-removing column 18 is connected with dehydration tower 23 import and lightness-removing column reboiler 22 import respectively, lightness-removing column reboiler 22 outlet is connected with lightness-removing column 18 import, the light fraction outlet of lightness-removing column 18 is connected with the import of condenser of light component removal column 19, condenser of light component removal column 19 outlet is connected with lightness-removing column return tank 20 import, lightness-removing column return tank 20 bypass outlet is connected with lightness-removing column 18 import, and the mixed alcohol outlet of lightness-removing column return tank 20 mixes alcohol storage tank 21 import with secondary and is connected, the mixed alcohol outlet of dehydration tower 23 is connected with dehydration column reboiler 30 import and dehydration tower condenser B 31 import respectively, and dehydration column reboiler 30 outlet is connected with dehydration tower 23 import, and dehydration tower condenser B 31 outlet mixes alcohol storage tank 21 import with secondary and is connected, the azeotrope outlet of dehydration tower 23 is connected with dehydration tower condenser A 24 import, dehydration tower condenser A 24 outlet is connected with dehydration tower phase separation tank 25 import, the light fraction outlet of dehydration tower phase separation tank 25 is connected with dehydration tower 23 import, being connected with recovery tower 26 import containing alcohol water out of dehydration tower phase separation tank 25, the light fraction outlet of recovery tower 26 is connected with recovery tower condenser 27 import, recovery tower condenser 27 outlet is connected with recovery tower return tank 28 import, recovery tower return tank 28 exports and is connected with recovery tower 26 import and dehydration tower 23 import respectively, the aqueous solution outlet of recovery tower 26 is connected with the water-in of recovery tower reboiler 29 import and alcohol knockout tower 5 respectively, recovery tower reboiler 29 outlet is connected with recovery tower 26 import.
Embodiment 4: as shown in Figure 4, the coal-based F-T synthesis water of a kind of indirect liquefaction is separated cleaning treatment system, and the difference of the present embodiment and embodiment 2 is, it also includes mixed dehydration of alcohols separation system, and mixed dehydration of alcohols separation system comprises lightness-removing column 18, condenser of light component removal column 19, lightness-removing column return tank 20, secondary mixes alcohol storage tank 21, lightness-removing column reboiler 22, dehydration tower 23, dehydration tower condenser A 24, dehydration tower phase separation tank 25, recovery tower 26, recovery tower condenser 27, recovery tower return tank 28, recovery tower reboiler 29, dehydration column reboiler 30 and dehydration tower condenser B 31, one-level is mixed alcohol storage tank 11 outlet and is connected with lightness-removing column 18 import, the heavy constituent outlet of lightness-removing column 18 is connected with dehydration tower 23 import and lightness-removing column reboiler 22 import respectively, lightness-removing column reboiler 22 outlet is connected with lightness-removing column 18 import, the light fraction outlet of lightness-removing column 18 is connected with the import of condenser of light component removal column 19, condenser of light component removal column 19 outlet is connected with lightness-removing column return tank 20 import, lightness-removing column return tank 20 bypass outlet is connected with lightness-removing column 18 import, and the mixed alcohol outlet of lightness-removing column return tank 20 mixes alcohol storage tank 21 import with secondary and is connected, the mixed alcohol outlet of dehydration tower 23 is connected with dehydration column reboiler 30 import and dehydration tower condenser B 31 import respectively, and dehydration column reboiler 30 outlet is connected with dehydration tower 23 import, and dehydration tower condenser B 31 outlet mixes alcohol storage tank 21 import with secondary and is connected, the azeotrope outlet of dehydration tower 23 is connected with dehydration tower condenser A 24 import, dehydration tower condenser A 24 outlet is connected with dehydration tower phase separation tank 25 import, the light fraction outlet of dehydration tower phase separation tank 25 is connected with dehydration tower 23 import, being connected with recovery tower 26 import containing alcohol water out of dehydration tower phase separation tank 25, the light fraction outlet of recovery tower 26 is connected with recovery tower condenser 27 import, recovery tower condenser 27 outlet is connected with recovery tower return tank 28 import, recovery tower return tank 28 exports and is connected with recovery tower 26 import and dehydration tower 23 import respectively, the aqueous solution outlet of recovery tower 26 is connected with the water-in of recovery tower reboiler 29 import and alcohol knockout tower 5 respectively, recovery tower reboiler 29 outlet is connected with recovery tower 26 import.
Claims (5)
1. the coal-based F-T synthesis water of indirect liquefaction is separated cleaning treatment system, it is characterized in that, it comprises filtration unit, primary oil water separation device, secondary water-and-oil separator, in and stirred tank, alcohol knockout tower, mixed alcohol tower top air cooler, return tank of top of the tower, dealcoholysis synthetic water reboiler, dealcoholysis synthetic water water cooler, membrane separation unit and one-level mix alcohol storage tank, the water outlet of described filtration unit is connected with the water-in of described primary oil water separation device, the water outlet of described primary oil water separation device is connected with the water-in of described secondary water-and-oil separator, the water outlet of described secondary water-and-oil separator with described in and the water-in of stirred tank be connected, be connected with the water-in of the water outlet of stirred tank with described alcohol knockout tower in described, the mixed alcohol outlet of described alcohol knockout tower is connected with the import of described mixed alcohol tower top air cooler, described mixed alcohol tower top air cooler outlet is connected with the import of described return tank of top of the tower, the bypass outlet of described return tank of top of the tower is separated 20%-30% tower water return outlet with described alcohol connects, the mixed alcohol outlet of described return tank of top of the tower is connected with the import that described one-level mixes alcohol storage tank,
The dealcoholysis synthetic water outlet of described alcohol knockout tower is connected with the water-in of described dealcoholysis synthetic water reboiler and the water-in of described dealcoholysis synthetic water water cooler respectively, the bypass outlet of described dealcoholysis synthetic water reboiler is connected with the water-in of described alcohol knockout tower, and the water outlet of described dealcoholysis synthetic water water cooler is connected with the water-in of described membrane separation unit.
2. the coal-based F-T synthesis water of a kind of indirect liquefaction according to claim 1 is separated cleaning treatment system, it is characterized in that, described filtration unit comprises strainer tube A and strainer tube B, described primary oil water separation device comprises water-and-oil separator A, water-and-oil separator B, water-and-oil separator C and water-and-oil separator D, the outlet of described water-and-oil separator A is connected with the import of described water-and-oil separator B, the outlet of described water-and-oil separator C is connected with the import of described water-and-oil separator D, the outlet of described strainer tube A is connected with described water-and-oil separator A import, the outlet of described strainer tube B is connected with described water-and-oil separator C import, the water outlet of described water-and-oil separator B is all connected with the water-in of described secondary water-and-oil separator with the water outlet of described water-and-oil separator D.
3. the coal-based F-T synthesis water of a kind of indirect liquefaction according to claim 2 is separated cleaning treatment system, it is characterized in that, the outlet of described strainer tube A is also connected with described water-and-oil separator C import, and the outlet of described strainer tube B is also connected with described water-and-oil separator A import.
4. the coal-based F-T synthesis water of a kind of indirect liquefaction according to claim 1 is separated cleaning treatment system, and it is characterized in that, described secondary water-and-oil separator is bi-directional flow surface aggregate formula high precision water-and-oil separator.
5. the coal-based F-T synthesis water of a kind of indirect liquefaction according to claim 1-4 any one is separated cleaning treatment system, and it is characterized in that, it also includes mixed dehydration of alcohols separation system, and described mixed dehydration of alcohols separation system comprises described lightness-removing column, condenser of light component removal column, described lightness-removing column return tank, secondary mixes alcohol storage tank, lightness-removing column reboiler, dehydration tower, dehydration tower condenser A, dehydration tower phase separation tank, recovery tower, recovery tower condenser, recovery tower return tank, recovery tower reboiler, dehydration column reboiler and described dehydration tower condenser B, described one-level is mixed alcohol outlet and is connected with described lightness-removing column import, the heavy constituent outlet of described lightness-removing column is connected with described dehydration tower import and the import of described lightness-removing column reboiler respectively, described lightness-removing column reboiler outlet is connected with described lightness-removing column import, the light fraction outlet of described lightness-removing column is connected with the import of described condenser of light component removal column, described condenser of light component removal column outlet is connected with the import of described lightness-removing column return tank, described lightness-removing column return tank bypass outlet is connected with described lightness-removing column import, and the mixed alcohol outlet of described lightness-removing column return tank mixes the import of alcohol storage tank with described secondary and is connected, the mixed alcohol outlet of described dehydration tower is connected with described dehydration column reboiler import and described dehydration tower condenser B import respectively, described dehydration column reboiler outlet is connected with described dehydration tower import, and described dehydration tower condenser B outlet mixes the import of alcohol storage tank with described secondary and is connected, the azeotrope outlet of described dehydration tower is connected with described dehydration tower condenser A import, described dehydration tower condenser A outlet is connected with the import of described dehydration tower phase separation tank, the light fraction outlet of described dehydration tower phase separation tank is connected with described dehydration tower import, being connected with described recovery tower import containing alcohol water out of described dehydration tower phase separation tank, the light fraction outlet of described recovery tower is connected with described recovery tower condenser inlet, described recovery tower condensator outlet is connected with the import of described recovery tower return tank, described recovery tower return tank outlet is connected with described recovery tower import and described dehydration tower import respectively, the aqueous solution outlet of described recovery tower is connected with the water-in of the import of described recovery tower reboiler and described alcohol knockout tower respectively, described recovery tower reboiler outlet is connected with described recovery tower import.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692572A (en) * | 2014-12-11 | 2015-06-10 | 内蒙古伊泰煤制油有限责任公司 | Separation and purification treatment system and method for indirect liquefied coal-based Fischer Tropsch synthetic water |
| CN111960919A (en) * | 2019-05-20 | 2020-11-20 | 杨祖杰 | Process and system for reducing COD (chemical oxygen demand) of Fischer-Tropsch synthesis water and extracting organic matters |
-
2014
- 2014-12-11 CN CN201420779585.7U patent/CN204369707U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692572A (en) * | 2014-12-11 | 2015-06-10 | 内蒙古伊泰煤制油有限责任公司 | Separation and purification treatment system and method for indirect liquefied coal-based Fischer Tropsch synthetic water |
| CN104692572B (en) * | 2014-12-11 | 2017-01-18 | 内蒙古伊泰煤制油有限责任公司 | Separation and purification treatment system and method for indirect liquefied coal-based Fischer Tropsch synthetic water |
| CN111960919A (en) * | 2019-05-20 | 2020-11-20 | 杨祖杰 | Process and system for reducing COD (chemical oxygen demand) of Fischer-Tropsch synthesis water and extracting organic matters |
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