CN203429005U - Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution - Google Patents
Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution Download PDFInfo
- Publication number
- CN203429005U CN203429005U CN201320500943.1U CN201320500943U CN203429005U CN 203429005 U CN203429005 U CN 203429005U CN 201320500943 U CN201320500943 U CN 201320500943U CN 203429005 U CN203429005 U CN 203429005U
- Authority
- CN
- China
- Prior art keywords
- water
- full chamber
- reuse
- chamber bed
- reverse osmosis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a device for recycling catalysts and process water from a PTA (Pure Terephthalic Acid) refined mother solution. The device mainly comprises a preprocessing unit, a catalyst recycling unit and a pure process water recycling unit which are connected through pipelines. By utilizing the device disclosed by the utility model, the removing rate of particulate matters reaches 100%; the recovery rate of a cobalt catalyst reaches above 95%; the yield of the pure process water reaches 70%; the wastewater emission load is reduced by 70%; the device has huge economic and social benefits.
Description
Technical field
The utility model relates to that the three wastes are processed and comprehensive utilization, relate in particular to a kind of from PTA refinement mother liquor the device of reuse of catalyst and process water.
Background technology
Pure terephthalic acid (PTA) is a kind of important industrial chemicals.PTA is under the effect of catalyzer, take acetic acid as solvent, by oxidation of p-xylene, generates crude terephthalic acid, then to hydrofining crude terephthalic acid, removes impurity, through separated, dry, makes.In the above-mentioned production process of PTA, can produce the organic waste water of a large amount of high densitys, in this organic waste water, COD is 4500～8000mgL-1 approximately, except containing a large amount of acetic acid as solvent, also contain terephthalic acid, p-methylbenzoic acid, phenylformic acid, catalyzer and other impurity stayed in solvent.Current Production of Terephthalic Acid corporate boss both domestic and external will adopt aerobic/anaerobic process integration to process this type of waste water.The shortcoming of this technique is the benzene series organism being difficult in degraded water body, and the investment of biochemical processing process and running cost higher, the useful raw material in waste liquid is difficult to again utilize, so serious waste of resources.
The centrifuge mother liquor that PTA refinement mother liquor mainly discharges from the refining workshop section of PTA; the main conventional filter that adopts reclaims the most of particulate matter in refinement mother liquor at present; but in mother liquor, still contain a small amount of organism (major ingredient comprises PTA, PT acid etc.) after filtering; and cobalt, mn ion etc.; this discharge of wastewater is in follow-up sewage work; cause on the one hand follow-up sewage disposal load heavier, produce sludged waste material and waste water without economic worth; On the other hand, the catalyzer of high added value and technique pure water run off in vain, cause a large amount of financial losses and the wasting of resources.
Utility model content
The purpose of this utility model, the problem existing in order to overcome above-mentioned prior art exactly, provide a kind of from PTA refinement mother liquor the device of reuse of catalyst and process water.
The purpose of this utility model is achieved through the following technical solutions: a kind of from PTA refinement mother liquor the device of reuse of catalyst and process water, comprise by the connected pretreatment unit of pipeline, catalytic agent reuse unit and technique pure water reuse unit;
Described pretreatment unit mainly comprises two prefilters in parallel, and the water-in of prefilter connects PTA refinement mother liquor feeding pipe, and trapped fluid outlet connects trapped fluid transfer line, and the filtrate outlet of prefilter connects filtrate transfer line;
Described catalytic agent reuse unit mainly comprises one-level full chamber bed ion exchange column, secondary full chamber bed ion exchange column and three grades of full chamber bed ion exchange columns; The water-in of one-level full chamber bed ion exchange column connects described filtrate transfer line, and water outlet connects technique pure water reuse unit by full chamber bed water producing pipe road, and desorbed solution outlet connects secondary full chamber bed ion exchange column by desorbed solution transfer line; The desorbed solution outlet of secondary full chamber bed ion exchange column connects three grades of full chamber bed ion exchange columns; The desorbed solution outlet of three grades of full chamber bed ion exchange columns connects catalytic agent reuse pipeline;
Described technique pure water reuse unit mainly comprises first-stage reverse osmosis equipment, second-level reverse osmosis device and mixed bed full chamber bed ion exchange column; The water-in of first-stage reverse osmosis equipment connects described full chamber bed water producing pipe road, and the water outlet of its reverse osmosis produced water connects second-level reverse osmosis device by first-stage reverse osmosis water producing pipe road, and its reverse osmosis concentrated water water outlet connects discharge water pipeline; The reverse osmosis produced water water outlet of second-level reverse osmosis device connects one-level reuse water pot, and reverse osmosis concentrated water water outlet connects full chamber bed water producing pipe road; The water-in of mixed bed full chamber bed ion exchange column connects one-level reuse water pot by one-level reuse water pipeline, and water outlet connects secondary reuse water pot.
Described one-level full chamber bed ion exchange column is three parallel connections, two series connection of secondary full chamber bed ion exchange column, and three grades of full chamber bed ion exchange columns are two parallel connections.
Described first-stage reverse osmosis equipment and second-level reverse osmosis device are respectively two parallel connections, and mixed bed full chamber bed ion exchange column is two parallel connections.
Described PTA refinement mother liquor feeding pipe is provided with charging water pot and fresh feed pump; Described filtrate transfer line is provided with full chamber bed water inlet tank and full chamber bed water inlet pressurization pump.
Described full chamber bed water producing pipe road is provided with full chamber bed and produces water pot and full chamber bed product water force (forcing) pump; Described desorbed solution transfer line is provided with desorbed solution storage tank and desorbed solution force (forcing) pump; Described catalyst recovery pipeline is provided with catalyzer storage tank and catalyzer take away pump.
In the middle of described first-stage reverse osmosis water producing pipe road is provided with, water pot and first-stage reverse osmosis produce water force (forcing) pump; Described one-level reuse water pipeline is provided with one-level reuse water force (forcing) pump; Described one-level reuse water pot is also connected with one-level reuse water transfer line; Described secondary reuse water pot is also connected with secondary reuse water transfer line.
Compared with prior art, adopt device treatment PTA refinement mother liquor of the present utility model, there is following advantage and disadvantage:
1, Removal efficiency of particulate matter reaches 100%;
2, catalyst cobalt ion recovery utilization rate is reached more than 95%;
3, reclaim ultrapure water, reach process water rank, pure water reclamation rate reaches 70%;
4, waste discharge amount reduces 70%;
5, heavy metal contaminants quantity discharged can reduce more than 95% according to process combination;
6, significantly alleviate follow-up Sewage Plant burden, for strict environment protection emission provides barrier;
7, economic benefit and obvious environment benefit, typical process for cleanly preparing and energy-saving and emission-reducing technique.
Accompanying drawing explanation
Fig. 1 is the Structure and Process schematic diagram of the device of reuse of catalyst and process water from PTA refinement mother liquor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Referring to Fig. 1, the utility model device of reuse of catalyst and technique pure water on the spot from PTA refinement mother liquor, comprises by the connected pretreatment unit 1 of pipeline, catalyst recovery unit 2 and water recovery unit 3.
Pretreatment unit 1 mainly comprises two prefilters in parallel 11, and the water-in of prefilter connects PTA refinement mother liquor feeding pipe 4, and trapped fluid outlet connects trapped fluid transfer line 5, and the filtrate outlet of prefilter connects filtrate transfer line 7.On PTA refinement mother liquor feeding pipe 4, be provided with charging water pot 41 and fresh feed pump 42.On filtrate transfer line 7, be provided with full chamber bed water inlet tank 71 and full chamber bed water inlet pressurization pump 72.
Technique pure water reuse unit 3 mainly comprises first-stage reverse osmosis equipment 31, second-level reverse osmosis device 32 and mixed bed full chamber bed ion exchange column 33.First-stage reverse osmosis equipment wherein and second-level reverse osmosis device are respectively two parallel connections, and mixed bed full chamber bed ion exchange column is two parallel connections.The water-in of first-stage reverse osmosis equipment 31 connects above-mentioned full chamber bed water producing pipe road 8, and the water outlet of its reverse osmosis produced water connects second-level reverse osmosis device 32 by first-stage reverse osmosis water producing pipe road 11, and its reverse osmosis concentrated water water outlet connects discharge water pipeline 12.The reverse osmosis produced water water outlet of second-level reverse osmosis device 32 connects one-level reuse water pot 13, and reverse osmosis concentrated water water outlet connects full chamber bed water producing pipe road 8; The water-in of mixed bed full chamber bed ion exchange column 33 connects one-level reuse water pot 13 by one-level reuse water pipeline 14, and water outlet connects secondary reuse water pot 15.In the middle of being provided with on first-stage reverse osmosis water producing pipe road 11, water pot 111 and first-stage reverse osmosis produce water force (forcing) pump 112; On one-level reuse water pipeline 14, be provided with one-level reuse water force (forcing) pump 141; One-level reuse water pot 13 is also connected with one-level reuse water transfer line 16; Secondary reuse water pot is also connected with secondary reuse water transfer line 17.On one-level reuse water transfer line 16 and secondary reuse water transfer line 17, be respectively equipped with force (forcing) pump.
From PTA refinement mother liquor, the technique of reuse of catalyst and process water is can accompanying drawings as follows:
PTA refinement mother liquor is pumped into prefilter 11 by PTA refinement mother liquor feeding pipe 4, trapped fluid is seen off by trapped fluid transfer line 5, filtrate pumps into one-level full chamber bed ion exchange column 21 by filtrate transfer line 7, the effluent liquid of one-level full chamber bed ion exchange column pumps into first-stage reverse osmosis equipment 31 by full chamber bed water producing pipe road 8, the desorbed solution that contains catalyzer pumps into secondary full chamber bed ion exchange column 22 by desorbed solution transfer line 9, make catalyzer obtain purifying, the desorbed solution of secondary full chamber bed ion exchange column 22 is introduced three grades of full chamber bed ion exchange columns 23 again, make catalyzer obtain enrichment, the desorbed solution of three grades of full chamber bed ion exchange columns 23 is introduced catalytic agent reuse pipeline 10, for reuse of catalyst.
The full chamber bed that is pumped into first-stage reverse osmosis equipment 31 by full chamber bed water producing pipe road 8 produces water after first-stage reverse osmosis equipment 31 is processed, and obtains first-stage reverse osmosis and produces water, and reverse osmosis concentrated water is by 12 discharges of discharge water pipeline.First-stage reverse osmosis produces water and pumps into second-level reverse osmosis device 32 by first-stage reverse osmosis water producing pipe road 11, after second-level reverse osmosis device 32 is processed, obtains two-pass reverse osmosis and produces water, sends into one-level reuse water pot 13 standby, and reverse osmosis concentrated water returns to one, level reverse osmosis equipment.Two-pass reverse osmosis produces water and pumps into mixed bed full chamber bed ion exchange column 33 by one-level reuse water pipeline 14, and water is further purified, and sends into secondary reuse water pot standby.The reuse water of one-level reuse water pot 13 can pass through 16 reuses of one-level reuse water transfer line; The reuse water of secondary reuse water pot 15 can pass through 17 reuses of secondary reuse water transfer line.
Claims (6)
1. a device for reuse of catalyst and process water from PTA refinement mother liquor, is characterized in that, comprises by the connected pretreatment unit of pipeline, catalytic agent reuse unit and technique pure water reuse unit;
Described pretreatment unit mainly comprises two prefilters in parallel, and the water-in of prefilter connects PTA refinement mother liquor feeding pipe, and trapped fluid outlet connects trapped fluid transfer line, and the filtrate outlet of prefilter connects filtrate transfer line;
Described catalytic agent reuse unit mainly comprises one-level full chamber bed ion exchange column, secondary full chamber bed ion exchange column and three grades of full chamber bed ion exchange columns; The water-in of one-level full chamber bed ion exchange column connects described filtrate transfer line, and water outlet connects technique pure water reuse unit by full chamber bed water producing pipe road, and desorbed solution outlet connects secondary full chamber bed ion exchange column by desorbed solution transfer line; The desorbed solution outlet of secondary full chamber bed ion exchange column connects three grades of full chamber bed ion exchange columns; The desorbed solution outlet of three grades of full chamber bed ion exchange columns connects catalytic agent reuse pipeline;
Described technique pure water reuse unit mainly comprises first-stage reverse osmosis equipment, second-level reverse osmosis device and mixed bed full chamber bed ion exchange column; The water-in of first-stage reverse osmosis equipment connects described full chamber bed water producing pipe road, and the water outlet of its reverse osmosis produced water connects second-level reverse osmosis device by first-stage reverse osmosis water producing pipe road, and its reverse osmosis concentrated water water outlet connects discharge water pipeline; The reverse osmosis produced water water outlet of second-level reverse osmosis device connects one-level reuse water pot, and reverse osmosis concentrated water water outlet connects full chamber bed water producing pipe road; The water-in of mixed bed full chamber bed ion exchange column connects one-level reuse water pot by one-level reuse water pipeline, and water outlet connects secondary reuse water pot.
2. device according to claim 1, is characterized in that, described one-level full chamber bed ion exchange column is three parallel connections, two series connection of secondary full chamber bed ion exchange column, and three grades of full chamber bed ion exchange columns are two parallel connections.
3. device according to claim 1, is characterized in that, described first-stage reverse osmosis equipment and second-level reverse osmosis device are respectively two parallel connections, and mixed bed full chamber bed ion exchange column is two parallel connections.
4. device according to claim 1, is characterized in that, described PTA refinement mother liquor feeding pipe is provided with charging water pot and fresh feed pump; Described filtrate transfer line is provided with full chamber bed water inlet tank and full chamber bed water inlet pressurization pump.
5. device according to claim 1, is characterized in that, described full chamber bed water producing pipe road is provided with full chamber bed and produces water pot and full chamber bed product water force (forcing) pump; Described desorbed solution transfer line is provided with desorbed solution storage tank and desorbed solution force (forcing) pump; Described catalyst recovery pipeline is provided with catalyzer storage tank and catalyzer take away pump.
6. device according to claim 1, is characterized in that, in the middle of described first-stage reverse osmosis water producing pipe road is provided with, water pot and first-stage reverse osmosis produce water force (forcing) pump; Described one-level reuse water pipeline is provided with one-level reuse water force (forcing) pump; Described one-level reuse water pot is also connected with one-level reuse water transfer line; Described secondary reuse water pot is also connected with secondary reuse water transfer line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500943.1U CN203429005U (en) | 2013-08-15 | 2013-08-15 | Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500943.1U CN203429005U (en) | 2013-08-15 | 2013-08-15 | Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203429005U true CN203429005U (en) | 2014-02-12 |
Family
ID=50058056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320500943.1U Expired - Lifetime CN203429005U (en) | 2013-08-15 | 2013-08-15 | Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203429005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370387A (en) * | 2013-08-15 | 2015-02-25 | 上海凯鑫分离技术有限公司 | Technology for recovering catalyst and process water from PTA purified mother liquor, and apparatus thereof |
| CN114804546A (en) * | 2022-06-02 | 2022-07-29 | 无锡市兴盛环保设备有限公司 | PTA mother liquor recovery processing method based on membrane technology |
-
2013
- 2013-08-15 CN CN201320500943.1U patent/CN203429005U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370387A (en) * | 2013-08-15 | 2015-02-25 | 上海凯鑫分离技术有限公司 | Technology for recovering catalyst and process water from PTA purified mother liquor, and apparatus thereof |
| CN114804546A (en) * | 2022-06-02 | 2022-07-29 | 无锡市兴盛环保设备有限公司 | PTA mother liquor recovery processing method based on membrane technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358651B (en) | Advanced treatment process for fermented pharmaceutical waste water | |
| CN105174577A (en) | Coal chemical wastewater pretreatment process and device | |
| CN103319058A (en) | Traditional Chinese medicine extraction wastewater treatment system and technology | |
| CN101898952A (en) | Method and device for treating low-concentration acetic acid wastewater | |
| CN104803542A (en) | Integrated treatment and reuse technology of esterification wastewater | |
| CN105037131A (en) | Novel process for recovering PTA (purified terephthalic acid) wastewater | |
| CN107935300B (en) | Process device and method for treating landfill leachate by non-membrane method | |
| CN203429005U (en) | Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution | |
| CN104386881A (en) | Coal chemical production wastewater treatment and high-efficiency recycling process and special system thereof | |
| CN201520680U (en) | Advanced treatment device for printing and dyeing waste water | |
| CN201254504Y (en) | High efficiency energy-saving type water treatment system | |
| CN202658021U (en) | Manganese-containing wastewater purifying and recycling device | |
| CN104528989A (en) | High-ammonia-nitrogen wastewater treatment ammonia recycling system | |
| CN201313858Y (en) | Steel wastewater zero-drainage regeneration combining device | |
| CN100509661C (en) | Treating technique of polyether polyatomic alcohol producing sewage recovering and utilization | |
| CN203845875U (en) | High-efficiency recovery system for reverse osmosis equipment | |
| CN203728683U (en) | High-concentration organic wastewater treatment system | |
| CN204981457U (en) | Coal chemical wastewater preprocessing device | |
| CN215712375U (en) | Glyphosate wastewater treatment device | |
| CN202465421U (en) | Integrated recovery device of waste sulfuric acid and wastewater | |
| CN213834874U (en) | Concentrated water recycling system for pure water station | |
| CN211570183U (en) | Landfill leachate treatment device | |
| CN104370387A (en) | Technology for recovering catalyst and process water from PTA purified mother liquor, and apparatus thereof | |
| CN204342616U (en) | A kind of high ammonia-nitrogen wastewater process ammonia recovery unit | |
| CN202717637U (en) | Primary water storage circulating system of purified water preparation workshop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201206 room 5-16, building 1999, Zhang Heng Road, Shanghai, China (Shanghai) free trade zone, No. 7 Patentee after: SHANGHAI KAIXIN ISOLATION TECHNOLOGY Co.,Ltd. Address before: 201206 room 5-16, building 1999, Zhang Heng Road, Shanghai, Pudong New Area, China, 7 Patentee before: SHANGHAI KEYSINO SEPARATION TECHNOLOGY CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 201210, Shanghai, China (Shanghai) free trade zone, Zhangjiang Road, No. 665, 3, Pudong New Area Patentee after: SHANGHAI KAIXIN ISOLATION TECHNOLOGY Co.,Ltd. Address before: 201206 room 5-16, building 1999, Zhang Heng Road, Shanghai, China (Shanghai) free trade zone, No. 7 Patentee before: SHANGHAI KAIXIN ISOLATION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |