CN1915845A - High performance deoiling method through adsorption of resin - Google Patents
High performance deoiling method through adsorption of resin Download PDFInfo
- Publication number
- CN1915845A CN1915845A CN200610041364.XA CN200610041364A CN1915845A CN 1915845 A CN1915845 A CN 1915845A CN 200610041364 A CN200610041364 A CN 200610041364A CN 1915845 A CN1915845 A CN 1915845A
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- China
- Prior art keywords
- oil
- resin
- desorption
- high performance
- deoiling method
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- 239000011347 resin Substances 0.000 title claims abstract description 57
- 229920005989 resin Polymers 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 11
- 238000003795 desorption Methods 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000003463 adsorbent Substances 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 230000008929 regeneration Effects 0.000 claims description 9
- 238000011069 regeneration method Methods 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000010779 crude oil Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
This invention discloses a high-efficiency method for adsorbing oil by resin. The method comprises: (1) passing crude oil-containing liquid at 10-40 deg.C and a flex of 2-15 BV/h through an adsorption column filled with oil-adsorbent resin to desorption agent, and condensing to obtain the oil product. The removal rate of the oil is higher than 98%, and the water after adsorption can be used in the next process. When resin NDA-18 is used, the oil-removing performance is stable, and desorption and regenearion are complete. The method has such advantages as simple process, large treatment quantity, high efficiency, high profit and no secondary pollution.
Description
One, technical field
The present invention relates to a kind of efficient degreasing technology, specifically, is the method that adopts institute's oily sub in the strong resin absorption stoste of oil absorptive function.
Two, background technology
Present degreasing technique mainly contains biochemical process, air supporting method, membrane separation process, coarse method and absorption method etc.The gentle float glass process of biochemical process is owing to can produce secondary pollution in treating processes, and the water outlet oil-contg is higher relatively, also needs subsequent technique, these drawbacks limit its applying in degree of depth oil removing.The membrane separation process oil removal treatment is effective, pollute but be easy to generate film, and treatment capacity is less, not too is fit to extensive wastewater treatment.
The coarse material of the coarse method of bibliographical information employing at present is single oleophylic or hydrophilic substance; processing efficiency is low; effluent quality is relatively poor; as Gu Daming etc. coat sulphur on the gravel surface, the material of inlaying opposed polarities such as aluminum oxide, magnetite on the surface of sulphur again does oily water separation coalescence material; oil-containing stoste through this material processing goes out water concentration (coarse coalescence method oily water separation technique about 10mg/L; HarBin Building University's journal, 2002 (35): 65-67.).Studies show that both at home and abroad absorption method is the effective ways of oily(waste)water advanced treatment, is that oil-contg is dropped to first-selected technology below the 1mg/L.Though conventional sorbent material such as gac can have absorption preferably to oil, regeneration expense height, and gac output after the regeneration and absorption property decline.Therefore, how to utilize the method for resin absorption oil removing to become the difficult problem of degreasing technique development, and the resin absorption material of selecting to have superperformance is the key breakthrough point of degreasing technique.
Three, summary of the invention
Goal of the invention
The purpose of this invention is to provide a kind of resin absorption high performance deoiling method, utilize present method can effectively remove oil in the aqueous solution, and can the efficient recovery oil content, realize recycling.
Technical scheme of the present invention is as follows:
A kind of resin absorption high performance deoiling method, its step comprises:
(1) oil-containing stoste is under the flow condition of 10～40 ℃ temperature and 2～15BV/h, and by being filled with the adsorption tower of oil-absorbing resin, oil-contg is reduced to below the 1mg/L;
(2) with steam or desorbing agent to the polymeric adsorbent desorption and regeneration, but get the oil product comprehensive recycling through condenser condenses.
Described oil-absorbing resin is home-made resin NDA-18, or home-made resin NDA-16, or U.S. Rohm﹠amp; The XAD series plastics of Hass company.These polymeric adsorbents being unified the called after oil-absorbing resin here is to have potent oil absorptive function from it.These polymeric adsorbents are high-specific surface areas, the low-pole oil-absorbing resin of high mechanical strength.It can and oily substance between by interactions such as Van der Waals forces, and the swelling degree is minimum in absorption and the desorption process, treatment capacity is big, fixedly in the filing of containers oil removing very big advantage is being arranged.
Be weight percentage 2～15% the NaOH aqueous solution of described desorbing agent, desorption temperature is 20～60 ℃, the desorbing agent flow is 0.2～5BV/h.
Oil-absorbing resin desorption steam stripping condition is 120～160 ℃ of vapor temperatures, and pressure 0.1～0.2MPa, steam flow rate are 0.5～6BV/h.The oil cooling that desorption gets off in the step (2) leaves standstill after coagulating, the profit layering, and oil product can be realized comprehensive reutilization.
Beneficial effect
The invention discloses a kind of resin absorption high performance deoiling method.Stoste oil-containing 30-60mg/L, oil removal rate is all greater than 98% after treatment, and oil recovery rate is greater than 80%, and absorption effluent can be directly used in subsequent technique.Resin is through behind the desorption, and desorption rate is all greater than 98%.Oil removing stable performance when adopting oil-absorbing resin NDA-18, desorption and regeneration is more complete, can be recycled and reused for to handle oil-containing water solution.This method technology is simple, and treatment capacity is big, and is easy and simple to handle, and economical and efficient can not introduced secondary pollution, and good practicability is arranged.
Four, embodiment
Further specify the present invention by the following examples.
Embodiment 1
10mLNDA-18 packed in the glass adsorption column, and (Φ 10 * 200mm).Under the room temperature (20～25 ℃), with oil-containing stoste with the flow of 40mL/h by resin bed, treatment capacity is 4000mL/ batch.Oil-containing stoste oleaginousness is 42.1mg/L, is 0.32mg/L through the resin absorption water outlet.
Use the NaOH aqueous solution and the 30mL tap water adverse current desorption and regeneration resin bed of the 20mL5% of 30 ± 2 ℃ of temperature successively, desorption flow 10mL/h.Desorption rate is 99.3%, and oil recovery rate is 92.3%.
Embodiment 2
Other operational condition changes the resin bed desorption method with embodiment 1.With temperature is 130 ℃, and vapor pressure is the steam stripping regenerating resin bed of 0.14MPa, and steam flow rate is 10mL/h.Desorption rate is 99.6%, and oil recovery rate is 91.2%.
Embodiment 3
Other operational condition is with embodiment 1, and oil-containing stoste is passed through resin bed at 10 ℃ of flows with 100mL/h, and treatment effect is as follows: oil-containing stoste oleaginousness is 36.1mg/L, and the resin absorption water outlet is 0.56mg/L.
Embodiment 4
Other operational condition improves the resin absorption temperature with embodiment 3.By resin bed, treatment effect is as follows: oil-containing stoste oleaginousness is 42.8mg/L to oil-containing stoste under 40 ℃ temperature, and the resin absorption water outlet is 0.59mg/L.
Embodiment 5
10mLNDA-18 packed in the glass adsorption column, and (Φ 10 * 200mm).Under the room temperature (20～25 ℃), with oil-containing stoste with the flow of 20mL/h by resin bed, treatment capacity is 4000mL/ batch.Oil-containing stoste oleaginousness is 45.1mg/L, is 0.38mg/L through the resin absorption water outlet.
Use the NaOH aqueous solution adverse current desorption and regeneration resin bed of the 60mL2% of 20 ± 2 ℃ of temperature successively, desorption flow 50mL/h.Desorption rate is 98.3%, and oil recovery rate is 90.2%.
Embodiment 6
10mLNDA-18 packed in the glass adsorption column, and (Φ 10 * 200mm).Under the room temperature (20～25 ℃), with oil-containing stoste with the flow of 150mL/h by resin bed, treatment capacity is 4000mL/ batch.Oil-containing stoste oleaginousness is 45.1mg/L, is 0.66mg/L through the resin absorption water outlet.
Use the NaOH aqueous solution adverse current desorption and regeneration resin bed of the 20mL15% of 60 ± 2 ℃ of temperature successively, desorption flow 2mL/h.Desorption rate is 98.7%, and oil recovery rate is 89.7%.
Embodiment 7
10mLNDA-18 is packed in the glass adsorption column (Φ 1O * 200mm).Under the room temperature (20～25 ℃), with oil-containing stoste with the flow of 150mL/h by resin bed, treatment capacity is 4000mL/ batch.Oil-containing stoste oleaginousness is 45.1mg/L, is 0.66mg/L through the resin absorption water outlet.
With temperature is 120 ℃, and vapor pressure is the steam stripping regenerating resin bed of 0.1MPa, and steam flow rate is 5mL/h.Desorption rate is 98.6%, and oil recovery rate is 86.9%.
Embodiment 8
10mLNDA-18 packed in the glass adsorption column, and (Φ 10 * 200mm).Under the room temperature (20～25 ℃), with oil-containing stoste with the flow of 80mL/h by resin bed, treatment capacity is 4000mL/ batch.Oil-containing stoste oleaginousness is 32.1mg/L, is 0.28mg/L through the resin absorption water outlet.
Use the NaOH aqueous solution adverse current desorption and regeneration resin bed of the 40mL7% of 40 ± 2 ℃ of temperature successively, desorption flow 20mL/h.Desorption rate is 98.5%, and oil recovery rate is 90.1%.
Embodiment 9
10mLNDA-18 packed in the glass adsorption column, and (Φ 10 * 200mm).Under the room temperature (20～25 ℃), with oil-containing stoste with the flow of 60mL/h by resin bed, treatment capacity is 4000mL/ batch.Oil-containing stoste oleaginousness is 55.1mg/L, is 0.52mg/L through the resin absorption water outlet.
With temperature is 160 ℃, and vapor pressure is the steam stripping regenerating resin bed of 0.2MPa.Steam flow rate is 60mL/h.Desorption rate is 98.8%, and oil recovery rate is 90.6%.
Embodiment 10
Change the oil-absorbing resin NDA-18 in the embodiment 1 into the NDA-16 oil-absorbing resin, or U.S. Rohm﹠amp; The XAD series plastics of Hass company is handled this waste water under the identical operations condition, the result shows that they have in various degree decline to the clearance of oil in the oil-containing stoste and desorption performance.
Claims (5)
1. resin absorption high performance deoiling method, its step comprises:
(1) oil-containing stoste is under the flow condition of 10～40 ℃ temperature and 2～15BV/h, and by being filled with the adsorption tower of oil-absorbing resin, oil-contg is reduced to below the 1mg/L;
(2) with steam or desorbing agent to the polymeric adsorbent desorption and regeneration, but get the oil product comprehensive recycling through condenser condenses.
2. a kind of resin absorption high performance deoiling method according to claim 1 is characterized in that described oil-absorbing resin is home-made resin NDA-18, or home-made resin NDA-16, or U.S. Rohm ﹠amp; The XAD series plastics of Hass company.
3. be weight percentage 2～15% the NaOH aqueous solution of a kind of resin absorption high performance deoiling method according to claim 2, described desorbing agent, desorption temperature is 20～60 ℃, the desorbing agent flow is 0.2～5BV/h.
4. a kind of resin absorption high performance deoiling method according to claim 2, described oil-absorbing resin desorption steam stripping condition is 120～160 ℃ of vapor temperatures, pressure 0.1～0.2MPa, steam flow rate are 0.5～6BV/h.
5. according to each described a kind of resin absorption high performance deoiling method in the claim 1～4, the oil cooling that desorption gets off leaves standstill after coagulating, the profit layering, and oil product can be realized comprehensive reutilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610041364XA CN100391571C (en) | 2006-08-18 | 2006-08-18 | High performance deoiling method through adsorption of resin |
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| CNB200610041364XA CN100391571C (en) | 2006-08-18 | 2006-08-18 | High performance deoiling method through adsorption of resin |
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| CN1915845A true CN1915845A (en) | 2007-02-21 |
| CN100391571C CN100391571C (en) | 2008-06-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219822B (en) * | 2008-01-09 | 2010-06-02 | 苏州大学 | Method and apparatus for processing fluid-bed of oily wastewater |
| CN102249433A (en) * | 2011-04-22 | 2011-11-23 | 广西银亿科技矿冶有限公司 | Method for removing oil organic matter from aqueous solution of nickel-containing compound |
| CN105819537A (en) * | 2016-03-28 | 2016-08-03 | 西安近代化学研究所 | Treatment method for aziridine derivative wastewater |
| CN113354025A (en) * | 2021-06-07 | 2021-09-07 | 烟台金堃新材料科技有限公司 | Treatment method of oily wastewater |
| CN113620534A (en) * | 2021-08-24 | 2021-11-09 | 珠海市科立鑫金属材料有限公司 | Process for removing oil from cobalt sulfate extraction waste liquid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520474A1 (en) * | 1985-06-07 | 1986-12-11 | Didier-Werke Ag, 6200 Wiesbaden | Process for removing from water and recovering undissolved organic substances and any dissolved organic substances present |
| CN1112326C (en) * | 1999-01-28 | 2003-06-25 | 华南理工大学 | Method for treatment of oil-bearing waste water |
| CN2548683Y (en) * | 2002-05-17 | 2003-05-07 | 自在水处理股份有限公司 | Oleophilic floating separator |
| JP2004008880A (en) * | 2002-06-05 | 2004-01-15 | Teijin Ltd | Method for filtering waste water |
| JP2004066054A (en) * | 2002-08-02 | 2004-03-04 | Sekisui Chem Co Ltd | Oil adsorbent filter |
| CN1328250C (en) * | 2005-09-16 | 2007-07-25 | 南京大学 | Effluent treating and resource recovering process for refining step of 2B acid production |
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2006
- 2006-08-18 CN CNB200610041364XA patent/CN100391571C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219822B (en) * | 2008-01-09 | 2010-06-02 | 苏州大学 | Method and apparatus for processing fluid-bed of oily wastewater |
| CN102249433A (en) * | 2011-04-22 | 2011-11-23 | 广西银亿科技矿冶有限公司 | Method for removing oil organic matter from aqueous solution of nickel-containing compound |
| CN102249433B (en) * | 2011-04-22 | 2013-06-12 | 广西银亿科技矿冶有限公司 | Method for removing oil organic matter from aqueous solution of nickel-containing compound |
| CN105819537A (en) * | 2016-03-28 | 2016-08-03 | 西安近代化学研究所 | Treatment method for aziridine derivative wastewater |
| CN105819537B (en) * | 2016-03-28 | 2019-06-28 | 西安近代化学研究所 | A kind of processing method of aziridine derivative waste water |
| CN113354025A (en) * | 2021-06-07 | 2021-09-07 | 烟台金堃新材料科技有限公司 | Treatment method of oily wastewater |
| CN113620534A (en) * | 2021-08-24 | 2021-11-09 | 珠海市科立鑫金属材料有限公司 | Process for removing oil from cobalt sulfate extraction waste liquid |
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| CN100391571C (en) | 2008-06-04 |
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Address after: 210093 Hankou Road, Jiangsu, China, No. 22, No. Co-patentee after: Jiangsu N&J Environmental Technology Co., Ltd. Patentee after: Nanjing University Address before: 210093 Hankou Road, Jiangsu, China, No. 22, No. Co-patentee before: Jiangsu NJU Gede Environmental Protection Technology Co., Ltd. Patentee before: Nanjing University |
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Address after: 210093 No. 22, Hankou Road, Nanjing, Jiangsu Co-patentee after: Jiangsu NJU Environmental Technology Co., Ltd. Patentee after: Nanjing University Address before: 210093 No. 22, Hankou Road, Nanjing, Jiangsu Co-patentee before: Jiangsu N&J Environmental Technology Co., Ltd. Patentee before: Nanjing University |
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