CN105110394A - Chemical agent for treatment of emulsified oil wastewater generated from air compressor - Google Patents
Chemical agent for treatment of emulsified oil wastewater generated from air compressor Download PDFInfo
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- CN105110394A CN105110394A CN201510610597.6A CN201510610597A CN105110394A CN 105110394 A CN105110394 A CN 105110394A CN 201510610597 A CN201510610597 A CN 201510610597A CN 105110394 A CN105110394 A CN 105110394A
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Abstract
The invention discloses a chemical agent for treatment of emulsified oil wastewater generated from an air compressor. The chemical agent comprises the following components in parts by mass: 2-5 parts of sodium bicarbonate, 2-5 parts of poly ferric sulfate, 1 part of poly aluminum chloride and 0.1-0.3 part of polyacrylamide. When in use, the chemical agent is put into to-be-treated emulsified oil wastewater according to a solid-to-liquid ratio of the chemical agent to the to-be-treated emulsified oil wastewater being 5-12 g/L; the mixture is stirred for still standing, and emulsified oil is subjected to demulsification and layering, wherein the upper layer is an oil phase and the lower layer is a water phase; after oil-water separation, the treatment of the emulsified oil wastewater is finished. The synergistic effect among all components of the chemical agent is good, so that demulsification is rapid and the treatment effect is excellent; the quality of treated water is neutral and can meet the water quality requirement, and adjustment of the pH value is not needed; the chemical agent is free from secondary pollution and suitable for large-scale application; besides, a method for treating the emulsified oil wastewater by adopting the chemical agent is simple, demulsification is rapid, the treatment efficiency is high, the cost of the chemical agent is low, and the operation is safe.
Description
Technical field
The present invention relates to a kind of medicament processing air compressor machine emulsifiable oil waste water, belong to technical field of sewage.
Background technology
In air compressor machine working process, lubricating oil is carried under one's arms in charge air cooler, aftercooler and gas-holder by pressurized air, is discharged together with air condensed water by eduction valve, forms compressed air station oily(waste)water.This waste water is different from the oily(waste)water of common mechanical factory, processing plant, and it can't help to be formed with water, but when high temperature compressed air cools, is formed by the water of condensation mixing portion lubricating oil of wherein water vapor.Its emulsification mainly mechanical reason, but due to the surfactant of lubricating oil still containing minute quantity itself, as the naphthenic acid that do not eliminate in refining process and its esters, to be oxidized in use procedure, corrosion and the carboxylic acid that produces and salt, and the scrap metal etc. that mechanical wear produces.Therefore, the emulsification of chemical principle because causing can not be got rid of.Due to compressor be in always high pressure, high temperature and have water of condensation to exist environment in, air compressor machine uses oil quality and the undesirable easy formation emulsifiable oil waste water of character.When atmospheric moisture is higher, particularly when southern air comparatively moistening or rainy season, the easy emulsification of air compressor lubricating oil.
The feature of air compressor machine emulsifiable oil waste water is that the water yield is little, and oil concentration is high, and oily composition is single.Air compressor machine oily(waste)water every day generation about 1 ~ 10m
3, oleaginousness can reach 7000 ~ 220000mg/L.Emulsifiable oil waste water leaves standstill for a long time and is difficult to oily water separation, as directly entered water drain, will polluted-water, and pose a big pressure to the sewage works in downstream, water outlet is difficult to up to standard.
At present; emulsification oil handling has multiple method, as medicament breakdown of emulsion method (mainly contain salting-out process, coacervation, saltout-condense hybrid system, acidization etc.), mechanical-physical oil removal process (mainly containing centrifugal separation, oil and water separation bygranulation method, membrane separation process, oil removal method), physico-chemical processes (mainly containing By Bubble-floating Method, absorption method), electrochemical process (electrolytic process etc.).Wherein, the filtration method in mechanical-physical oil removal process, membrane separation process there is filtration medium and filter membrane easily blocks up, the problem that operation and maintenance cost is high, oil and water separation bygranulation method, oil removal method to this class high-concentration emulsified oil without obvious treatment effect.Centrifugal separation and electrolytic process do not obtain large-scale application in practice.By Bubble-floating Method, absorption method in practice generally will with additive method conbined usage.Acidization first with needing to add alkali readjustment pH after strong acid breakdown of emulsion, complicated operation and dangerous.Comparatively speaking, saltout-flocculence easily realizes, and invest lower, but a certain flocculation agent of single employing is all difficult to reach satisfied treatment effect.
Summary of the invention
The object of the present invention is to provide a kind of medicament of efficient, safe process air compressor machine emulsifiable oil waste water, to realize rapid breakdown of emulsion, the oily water separation of emulsifiable oil waste water.
The present invention is realized by following technical proposal: a kind of medicament processing air compressor machine emulsifiable oil waste water, is made up of the component of following masses part: sodium bicarbonate 2 ~ 5 parts, bodied ferric sulfate 2 ~ 5 parts, polymerize aluminum chloride 1 part and polyacrylamide 0.1 ~ 0.3 part.
Described sodium bicarbonate, bodied ferric sulfate, polymerize aluminum chloride and polyacrylamide are conventional commercial reagent.
As follows by the method for gained chemicals treatment air compressor machine emulsifiable oil waste water of the present invention: to be 5 ~ 12g/L by the solid-to-liquid ratio of medicament and emulsifiable oil waste water, the medicament that the component by following masses part forms is put in pending emulsifiable oil waste water: sodium bicarbonate 2 ~ 5 parts, bodied ferric sulfate 2 ~ 5 parts, polymerize aluminum chloride 1 part and polyacrylamide 0.1 ~ 0.3 part; After stirring, leaving standstill, make the layering of oil in water emulsion breakdown of emulsion, upper strata is oil phase, and lower floor is aqueous phase, and namely complete the process to air compressor machine emulsifiable oil waste water after separation, the water quality of gained aqueous phase is clarified substantially, and precipitation is few.
Described stirring carries out stirring 1 ~ 3min under the rotating speed of 300 ~ 500rpm, then carry out stirring 5min under the rotating speed of 60 ~ 100rpm.
Described medicament after medicament described in water dissolution becomes liquid, then can join in pending emulsifiable oil waste water.
Described liquid to be mass concentration be 10 ~ 20% solution.
The mechanism of action of medicament of the present invention when processing air compressor machine oil in water emulsion is: sodium bicarbonate ionizes decomposition in water makes solution be weakly alkaline, destroy oil in water emulsion charge structure, make it easily de-steady, and then breakdown of emulsion, bodied ferric sulfate is emulsion splitter is also flocculation agent, strengthens demulsification and forms little flco, the dosage of bodied ferric sulfate makes solution be slightly acidic, the existence of sodium bicarbonate has neutralized its acidity just, makes water base after process to be in neutrality, does not need to add medicament in addition and adjusts pH.Sodium bicarbonate and bodied ferric sulfate reaction decomposes generate little bubble, drive the oil droplet of breakdown of emulsion to float under the effect of buoyancy, accelerate oil in water emulsion layering.The combination of bodied ferric sulfate and polymerize aluminum chloride is better than the treatment effect of single medicament for air compressor machine emulsifiable oil waste water treatment effect.In addition, polyacrylamide has important synergism for the formation of flco and cohesion.
The present invention has following advantages and effect: adopt the medicament of process air compressor machine emulsifiable oil waste water of the present invention efficiently emulsifiable oil waste water can be carried out oily water separation, have good synergy between dosage component, and breakdown of emulsion is fast, and treatment effect is excellent, 1m
3air compressor machine emulsifiable oil waste water after adding medicament only 30 ~ 50min namely to realize oily water separation complete.Water quality after process, in neutral, does not need to adjust back pH.There is significant removal effect to each index of emulsifiable oil waste water, the requirement that the water quality after process can reach " sewage enters town water drain water quality standard " (CJ343-2010), sewage network can be entered and enter sewage works and do further process.The medicament that the present invention adopts is conventional dose, non-secondary pollution, is suitable for large-scale application.Through Experimental Comparison, the de-emulsification speed of Chinese medicine of the present invention and treatment effect are much better than conventional emulsion splitter.Through general estimation, often process 1m
3oily(waste)water, medicament expense is about 12 ~ 15 yuan, power consumption about 0.5 ~ 0.75 degree.Different from strong acid and strong base breakdown of emulsion, the medicament that the present invention adopts is conventional medicament, uses safer.The present invention has the advantages such as treatment process is simple, breakdown of emulsion is rapid, processing efficiency is high, medicament expense is low, operational safety.Gained oil phase is the flco scum silica frost of oil-containing, and this scum silica frost is closely knit, can dewater further and harmlessness disposing.Compare existing chemical flocculation, solve common emulsion splitter and treatment process to air compressor machine emulsifiable oil waste water sluggish, time of repose is long, and oily water separation is not thoroughly, water outlet is difficult to primary treatment shortcoming up to standard.
Embodiment
Below in conjunction with embodiment, invention is described further.
Embodiment 1
The medicament of process air compressor machine emulsifiable oil waste water is made up of the component of following masses part: sodium bicarbonate 2 parts, bodied ferric sulfate 3 parts, polymerize aluminum chloride 1 part and polyacrylamide 0.2 part.
As follows by the method for gained chemicals treatment air compressor machine emulsifiable oil waste water: to be 6.2g/L by the solid-to-liquid ratio of gained medicament and emulsifiable oil waste water, gained medicament is put in pending emulsifiable oil waste water, violent stirring 3min is carried out under the rotating speed of 500rpm, slowly 5min is stirred again under the rotating speed of 100rpm, leave standstill 15min afterwards, the layering of oil in water emulsion breakdown of emulsion, upper strata is oil phase, lower floor is aqueous phase, namely completes the process to air compressor machine emulsifiable oil waste water after separation.The water quality of gained aqueous phase is clarified substantially, and precipitation is few.
Embodiment 2
The medicament of process air compressor machine emulsifiable oil waste water is made up of the component of following masses part: sodium bicarbonate 3 parts, bodied ferric sulfate 2 parts, polymerize aluminum chloride 1 part and polyacrylamide 0.3 part.Gained medicament to take water dissolution as mass concentration be 10% liquid.
As follows by the method for gained chemicals treatment air compressor machine emulsifiable oil waste water: to be 5g/L by the solid-to-liquid ratio of this medicament and emulsifiable oil waste water, described liquid is put in pending emulsifiable oil waste water, violent stirring 2min is carried out under the rotating speed of 400rpm, 18min is left standstill after slowly stirring 5min again under the rotating speed of 80rpm, the layering of oil in water emulsion breakdown of emulsion, upper strata is oil phase, and lower floor is aqueous phase, namely completes the process to air compressor machine emulsifiable oil waste water after separation.The water quality of gained aqueous phase is clarified substantially, and precipitation is few.
Embodiment 3
The medicament of process air compressor machine emulsifiable oil waste water is made up of the component of following masses part: sodium bicarbonate 5 parts, bodied ferric sulfate 5 parts, polymerize aluminum chloride 1 part and polyacrylamide 0.1 part.Gained medicament to take water dissolution as mass concentration be 20% liquid.
As follows by the method for gained chemicals treatment air compressor machine emulsifiable oil waste water: to be 12g/L by the solid-to-liquid ratio of this medicament and emulsifiable oil waste water, described liquid is put in pending emulsifiable oil waste water, violent stirring 1min is carried out under the rotating speed of 300rpm, 20min is left standstill after slowly stirring 5min again under the rotating speed of 60rpm, the layering of oil in water emulsion breakdown of emulsion, upper strata is oil phase, and lower floor is aqueous phase, namely completes the process to air compressor machine emulsifiable oil waste water after separation.The water quality of gained aqueous phase is clarified substantially, and precipitation is few.
By the various embodiments described above gained aqueous phase by detecting water-quality guideline, result is as shown in the table:
Table 1 pharmaceutical agent combinations is to each index removal effect of air compressor machine emulsifiable oil waste water
Visible, the medicament of process air compressor machine emulsifiable oil waste water provided by the invention has significant removal effect to each index of emulsifiable oil waste water, the requirement that water quality after process can reach " sewage enters town water drain water quality standard " (CJ343-2010), can enter sewage network and enter sewage works and be for further processing.
Comparative example 1: with embodiment 1, only replacing component sodium bicarbonate is calcium chloride.
By the various embodiments described above and comparative example gained aqueous phase by detecting water-quality guideline, comparing result is as shown in the table:
By upper table, can illustrate that the present invention has following advantages and effect: this medicament can process by little to the water yield, that oil concentration is high, oily composition is single air compressor machine emulsifiable oil waste water, and treatment process is simple, breakdown of emulsion is rapid, processing efficiency is high, medicament expense is low.
Claims (6)
1. process a medicament for air compressor machine emulsifiable oil waste water, it is characterized in that being made up of the component of following masses part: sodium bicarbonate 2 ~ 5 parts, bodied ferric sulfate 2 ~ 5 parts, polymerize aluminum chloride 1 part and polyacrylamide 0.1 ~ 0.3 part.
2. medicament according to claim 1, is characterized in that: described sodium bicarbonate, bodied ferric sulfate, polymerize aluminum chloride and polyacrylamide are conventional commercial reagent.
3. by the method for chemicals treatment air compressor machine emulsifiable oil waste water described in claim 1 or 2, it is characterized in that through following operation: be 5 ~ 12g/L by the solid-to-liquid ratio of medicament and emulsifiable oil waste water, put in pending emulsifiable oil waste water, leave standstill after stirring again, the layering of oil in water emulsion breakdown of emulsion, upper strata is oil phase, and lower floor is aqueous phase, namely completes the process to air compressor machine emulsifiable oil waste water after separation.
4. method according to claim 3, is characterized in that: described stirring carries out stirring 1 ~ 3min under the rotating speed of 300 ~ 500rpm, then carry out stirring 5min under the rotating speed of 60 ~ 100rpm.
5. method according to claim 3, is characterized in that: described medicament is after becoming liquid with water dissolution medicament, then joins in pending emulsifiable oil waste water.
6. method according to claim 5, is characterized in that: described liquid to be mass concentration be 10 ~ 20% solution.
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| CN201510610597.6A CN105110394A (en) | 2015-09-23 | 2015-09-23 | Chemical agent for treatment of emulsified oil wastewater generated from air compressor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467297A (en) * | 2019-08-15 | 2019-11-19 | 河南省化工研究所有限责任公司 | A kind of processing method of emulsified fluorescent penetrant oil waste water |
| CN110563082A (en) * | 2019-09-19 | 2019-12-13 | 中国农业科学院烟草研究所 | Composition for pretreating cutting fluid wastewater and application thereof |
| CN111434621A (en) * | 2019-01-11 | 2020-07-21 | 油服环境科技(广州)有限公司 | Composite medicament for rapidly treating concentrated solution of emulsified oil wastewater |
| CN112707472A (en) * | 2020-12-31 | 2021-04-27 | 南京亚之清环保服务有限公司 | Sewage treatment method and system adopting bicarbonate as demulsifier |
| CN115557588A (en) * | 2022-10-11 | 2023-01-03 | 陕西延长石油丰源石油助剂有限公司 | Composite reagent system for demulsification of oil field sump oil and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475272A (en) * | 2009-01-22 | 2009-07-08 | 武汉钢铁(集团)公司 | Pretreatment process for oily watewater of cold rolling mill |
| CN103771621A (en) * | 2014-01-20 | 2014-05-07 | 南通华新环保设备工程有限公司 | De-oiling treatment method for sewage of oil refinery |
-
2015
- 2015-09-23 CN CN201510610597.6A patent/CN105110394A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475272A (en) * | 2009-01-22 | 2009-07-08 | 武汉钢铁(集团)公司 | Pretreatment process for oily watewater of cold rolling mill |
| CN103771621A (en) * | 2014-01-20 | 2014-05-07 | 南通华新环保设备工程有限公司 | De-oiling treatment method for sewage of oil refinery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434621A (en) * | 2019-01-11 | 2020-07-21 | 油服环境科技(广州)有限公司 | Composite medicament for rapidly treating concentrated solution of emulsified oil wastewater |
| CN110467297A (en) * | 2019-08-15 | 2019-11-19 | 河南省化工研究所有限责任公司 | A kind of processing method of emulsified fluorescent penetrant oil waste water |
| CN110563082A (en) * | 2019-09-19 | 2019-12-13 | 中国农业科学院烟草研究所 | Composition for pretreating cutting fluid wastewater and application thereof |
| CN112707472A (en) * | 2020-12-31 | 2021-04-27 | 南京亚之清环保服务有限公司 | Sewage treatment method and system adopting bicarbonate as demulsifier |
| CN115557588A (en) * | 2022-10-11 | 2023-01-03 | 陕西延长石油丰源石油助剂有限公司 | Composite reagent system for demulsification of oil field sump oil and preparation method and application thereof |
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