CN105692780A - Water clarifier mixed system for treating sewage containing polymer - Google Patents
Water clarifier mixed system for treating sewage containing polymer Download PDFInfo
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- CN105692780A CN105692780A CN201610101204.3A CN201610101204A CN105692780A CN 105692780 A CN105692780 A CN 105692780A CN 201610101204 A CN201610101204 A CN 201610101204A CN 105692780 A CN105692780 A CN 105692780A
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- polymer
- water clarifier
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Epoxy Resins (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
The invention a water clarifier mixed system for treating sewage containing polymer. A mixed water clarifier for treating the sewage containing polymer comprises a cationic type water clarifier and a non-ionic type water clarifier, wherein the cationic type water clarifier is at least one of glycerol-epichlorohydrin-triethylamine polymer, dimethylamine-epichlorohydrin-ethylenediamine polymer, polyaluminium chloride and poly-ferric sulfate; the non-ionic type water clarifier is polyether amine grafted polyether and/or polyethylene polyamine grafted polyether; the mass ratio of the cationic type water clarifier to the non-ionic type water clarifier is 1:10-1. The mixed water clarifier has the advantages that the mixed water clarifier can be used for fast and efficiently deoiling the sewage, the deoiling and solid removing efficiency of the water clarifier can be guaranteed, the mixed water clarifier is also applicable to the sewage with high oil content, and inverse demulsification can be achieved to reduce the oil content in floc; when the mixed water clarifier is used, inverse demulsification can be achieved to reduce the oil content in the floc during water clarifier flocculation and water clarifying, and the generated floc is non-sticky, and the like.
Description
Technical field
The present invention relates to a kind of polymer-bearing waste-water process water cleaning agent compound system, belong to Treatment of Industrial Water technical field。
Background technology
Oil extraction-generated waste water is mainly the formation water that crude oil is taken out of from stratum, also referred to as producing water or output water。Produced-water reinjection is reasonable development and utilizes water resource, improves the right way of water circulation use rate, to keeping stratum energy, improves the overall economic benefit of water flooding, significant。Oil-polluted water re-injection relates to purification of water quality, the problem such as stable。The pharmacy variety being currently used in disposing polluted water in oil is more, and more general research direction has cationic water cleaning agent such as polyacrylamide to modifiy class, epichlorohydrin reaction thing class；Non-ionic water cleaning agent such as polyacrylamide, polyethylene glycol oxide, urea aldehyde polycondensate, polymine, polyvinylamine, polyetheramine etc.。Organic cation type has the advantages such as dosage is few, it is relatively big to form alumen ustum, sedimentation velocity is fast, the process time is short, but in and granule, colloid, oil droplet surface charge, while making it assemble, also make all or part of de-steady viscoelastic flco forming a large amount of High water cut of the polymer in recovered water。And non-ionic water cleaning agent is good with the anionic polymer compatibility in recovered water, do not generate greasy filth, the mutual coalescence between oil droplet is promoted mainly by changing oil-water interfaces character, oil removal process also can be removed tiny solid microgranule that a part of oil-in-water bead surface often adsorbs by way of parenthesis, but there is the problems such as chemical feeding quantity is big, sewage with oil is high, poor processing effect。
Summary of the invention
It is an object of the invention to provide the processing method of a kind of polymer-bearing waste-water and process Compositional type clear water medicament, Compositional type clear water medicament provided by the invention is capable of medicament in sewage width oil-containing, scope containing poly-amount, while ensureing clear water effect, it is to avoid polymer-containing oil sludge generates。
Polymer-bearing waste-water process Compositional type clear water medicament provided by the present invention, it is made up of cationic water cleaning agent and non-ionic water cleaning agent；
Described cationic water cleaning agent is at least one in glycerol-epoxychloropropane-triethylamine copolymer, dimethylamine-epoxychloropropane-ethylenediamine copolymer, polyaluminium chloride and polyiron sulfate,
Described glycerol-epoxychloropropane-triethylamine copolymer is the polymer obtained by monomer glycerol, epoxychloropropane and triethylamine copolymerization,
Described dimethylamine-epoxychloropropane-ethylenediamine copolymer is the polymer obtained by monomer dimethylamine, epoxychloropropane and ethylenediamine copolymerization,
Described non-ionic water cleaning agent is polyetheramine graft polyether and/or polyethylene polyamine graft polyether；
Described polyetheramine graft polyether is reacted through epoxy addition with epoxy-capped polyethers by polyetheramine to prepare at 30～70 DEG C；
Described polyethylene polyamine graft polyether is be that initiator reacts through epoxy addition under 30～70 DEG C of C with epoxy-capped polyethers and prepares by polyethylene polyamine, described polyethylene polyamine concretely low-molecular-weight PEI (molecular weight 600-3000), TEPA, five hexamine etc.；
Described epoxy-capped polyethers concretely epoxy-capped polyoxyethylene poly-oxygen propylene aether, such as the BEPH product that Hangzhou Dan Wei Science and Technology Ltd. provides；
Described polyetheramine can be amino-terminated multiple-limb polyethers, and concretely Hensel steps the T403 product that Chemical trade (Shanghai) Co., Ltd. provides。
The mass ratio of described cationic water cleaning agent and described non-ionic water cleaning agent is 1～10:1, concretely 3～4:1,3:1 or 4:1。
Invention further provides the processing method of polymer-bearing waste-water, comprise the steps:
Described Compositional type clear water medicament is added to polymer-bearing waste-water, namely realizes the process to described polymer-bearing waste-water。
In above-mentioned processing method, described Compositional type clear water medicament is configured to aqueous solution, is subsequently adding in described polymer-bearing waste-water。
In above-mentioned processing method, in described aqueous solution, the weight/mass percentage composition of described Compositional type clear water medicament can be 20%～70%。
In above-mentioned processing method, described polymer-bearing waste-water can be 50mg/L～300mg/L, concretely 200mg/L containing poly-concentration, and oil concentration can be 50mg/L～10000mg/L, concretely 7000mg/L。
In above-mentioned processing method, the consumption of described Compositional type clear water medicament can be polymer-bearing waste-water described in 200～400mg/L, concretely polymer-bearing waste-water described in 380mg/L。
In above-mentioned processing method, complete the process to described polymer-bearing waste-water when 25 DEG C～90 DEG C。
Compositional type clear water medicament provided by the invention can be used in sewage quickly, efficient degreasing, it is ensured that medicament oil removing, except solid efficiency, additionally it is possible to for high oil-polluted water, rp demulsification, reduce oil content in flco。
When using polymer-bearing waste-water process Compositional type clear water medicament of the present invention, while water cleaning agent flocculation, clear water, there is rp demulsification, reduce oil content in flco, and make the effects such as the flco of generation does not glue。
Accompanying drawing explanation
Fig. 1 is the photo of the sewage after the copolymer process of dimethylamine-epoxychloropropane-ethylenediamine。
Fig. 2 is polyetheramine graft polyether when being used alone, the photo of sewage after process。
Fig. 3 is the photo of the sewage after the Compositional type clear water chemicals treatment of embodiment 2 preparation。
Detailed description of the invention
The experimental technique used in following embodiment if no special instructions, is conventional method。
Material used in following embodiment, reagent etc., if no special instructions, all commercially obtain。
Embodiment 1, prepare Compositional type clear water medicament
By the copolymer of the dimethylamine-epoxychloropropane-ethylenediamine of 75 mass parts, (molecular weight is 104) mix with the polyethylene polyamine graft polyether of 25 mass parts, namely stirring and evenly mixing obtains Compositional type clear water medicament。
The polyethylene polyamine graft polyether used is to prepare through epoxy addition reaction at 50 DEG C with epoxy-capped polyoxyethylene poly-oxygen propylene aether (Hangzhou Dan Wei Science and Technology Ltd., commodity are called BEPH) with five hexamine for initiator。
Embodiment 2, prepare Compositional type clear water medicament
By the copolymer of the dimethylamine-epoxychloropropane-ethylenediamine of 80 mass parts, (molecular weight is 104) mix with the polyetheramine graft polyether of 20 mass parts, namely stirring and evenly mixing obtains Compositional type clear water medicament。
The polyetheramine graft polyether used is to be prepared through epoxy addition reaction at 50 DEG C with epoxy-capped polyoxyethylene poly-oxygen propylene aether (Hangzhou Dan Wei Science and Technology Ltd., commodity are called BEPH) by polyetheramine (Hensel steps, T403)。
Embodiment 3, prepare Compositional type clear water medicament
By the copolymer of the glycerol-epoxychloropropane-triethylamine of 80 mass parts, (molecular weight is 104) mix with the polyetheramine graft polyether of 20 mass parts, namely stirring and evenly mixing obtains Compositional type clear water medicament。
The polyetheramine graft polyether used is to be prepared through epoxy addition reaction at 50 DEG C with epoxy-capped polyoxyethylene poly-oxygen propylene aether (Hangzhou Dan Wei Science and Technology Ltd., commodity are called BEPH) by polyetheramine (Hensel steps, T403)。
Adopt the embodiment 1-3 Compositional type clear water chemicals treatment polymer-bearing waste-water prepared, adopt bottle examination method to evaluate the performance of Compositional type clear water medicament of the present invention:
Concretely comprise the following steps:
1, polymer-bearing waste-water water sample is provided by Bohai Bay Oil, and polymer-bearing waste-water is 200mg/L containing poly-concentration, and oil concentration is 7000mg/L。
2, take in the dehydration bottle that 100mL polymer-bearing waste-water pours 100mL at 20 DEG C, at 65 DEG C, be incubated 20min。
3, the Compositional type clear water medicament prepared by embodiment 1-3 is configured to the aqueous solution that mass fraction is 1% respectively, and (mother liquid concentration is 50%, indoor bottle examination needs mother liquor first becomes 1% aqueous solution, mother solution can be directly used) during onsite application, according to the consumption that dosing is 380mg/L polymer-bearing waste-water, the aqueous solution of above-mentioned preparation is added separately in 100ml sewage sample, after hand dehydration bottle 30 times, stand 2min。
Polyetheramine graft polyether used in the copolymer of dimethylamine-epoxychloropropane-ethylenediamine and embodiment 3 is as comparison, and its consumption is identical with Compositional type water cleaning agent of the present invention with processing method。
(molecular weight is 10 to the copolymer of use dimethylamine-epoxychloropropane-ethylenediamine4) photo after process as it is shown in figure 1, photo after using polyetheramine graft polyether to process as in figure 2 it is shown, the photo of sewage after using the Compositional type clear water chemicals treatment of embodiment 2 preparation as shown in Figure 3。
By Fig. 1-Fig. 3 it can be seen that the clear water effect of the present invention composite clear water medicament is better, it does not have wall cling phenomenon。
The photo using the sewage after the Compositional type clear water chemicals treatment of embodiment 1 and 3 preparation is basically identical with Fig. 3, and clear water effect is high, is substantially free of wall cling phenomenon。
Claims (10)
1. polymer-bearing waste-water processes and uses a Compositional type clear water medicament, and it is made up of cationic water cleaning agent and non-ionic water cleaning agent；
Described cationic water cleaning agent is at least one in glycerol-epoxychloropropane-triethylamine copolymer, dimethylamine-epoxychloropropane-ethylenediamine copolymer, polyaluminium chloride and polyiron sulfate；
Described non-ionic water cleaning agent is polyetheramine graft polyether and/or polyethylene polyamine graft polyether；
The mass ratio of described cationic water cleaning agent and described non-ionic water cleaning agent is 1～10:1。
2. Compositional type clear water medicament according to claim 1, it is characterised in that: described polyetheramine graft polyether is reacted through epoxy addition with epoxy-capped polyethers by polyetheramine to prepare at 30～70 DEG C；
Described polyethylene polyamine graft polyether is be that initiator reacts through epoxy addition at 30～70 DEG C with epoxy-capped polyethers and prepares by polyethylene polyamine。
3. Compositional type clear water medicament according to claim 2, it is characterised in that: described epoxy-capped polyethers is epoxy-capped polyoxyethylene poly-oxygen propylene aether；
Described polyetheramine is amino-terminated multiple-limb polyethers；
Described polyethylene polyamine is molecular weight be 600～3000 Polyetherimide, TEPA or five hexamine。
4. a processing method for polymer-bearing waste-water, comprises the steps:
Compositional type clear water medicament according to any one of claim 1-3 is added to polymer-bearing waste-water, namely realizes the process to described polymer-bearing waste-water。
5. processing method according to claim 4, it is characterised in that: described Compositional type clear water medicament is configured to aqueous solution, is subsequently adding in described polymer-bearing waste-water。
6. processing method according to claim 5, it is characterised in that: in described aqueous solution, the weight/mass percentage composition of described Compositional type clear water medicament is 20%～70%。
7. the processing method according to any one of claim 4-6, it is characterised in that: described polymer-bearing waste-water is 50mg/L～200mg/L containing poly-concentration, and oil concentration is 500mg/L～10000mg/L。
8. the processing method according to any one of claim 4-7, it is characterised in that: the consumption of described Compositional type clear water medicament is polymer-bearing waste-water described in 200～400mg/L。
9. the processing method according to any one of claim 4-8, it is characterised in that: complete the process to described polymer-bearing waste-water when 25 DEG C～90 DEG C。
10. the application in polymer-bearing waste-water processes of the Compositional type clear water medicament according to any one of claim 1-3。
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| CN201610101204.3A CN105692780B (en) | 2016-02-24 | 2016-02-24 | A kind of polymer-bearing waste-water processing water cleaning agent compound system |
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| CN201610101204.3A CN105692780B (en) | 2016-02-24 | 2016-02-24 | A kind of polymer-bearing waste-water processing water cleaning agent compound system |
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| CN105692780B CN105692780B (en) | 2018-05-25 |
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Cited By (5)
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| CN106335969A (en) * | 2016-10-19 | 2017-01-18 | 中国石油化工股份有限公司 | Treating agent for sewage high in thickened oil content |
| CN106430500A (en) * | 2016-09-28 | 2017-02-22 | 同济大学 | Preparation method of catalytic coagulation agent suitable for oil field polymer-flooding oil-production sewage |
| CN111072256A (en) * | 2018-10-19 | 2020-04-28 | 上海申英环保科技有限公司 | Sludge dewatering method for plate and frame machine |
| CN114907559A (en) * | 2022-05-13 | 2022-08-16 | 中海油(天津)油田化工有限公司 | Polyether-based amphoteric water clarifier for oily sewage treatment and preparation method thereof |
| CN114933707A (en) * | 2022-06-07 | 2022-08-23 | 中国海洋石油集团有限公司 | Multifunctional silicon-containing antibacterial water purifier and preparation method thereof |
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| CN114933707A (en) * | 2022-06-07 | 2022-08-23 | 中国海洋石油集团有限公司 | Multifunctional silicon-containing antibacterial water purifier and preparation method thereof |
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