CN201158601Y - System for treating carbonized wastewater or organic waste water with supercritical water oxidization technique - Google Patents
System for treating carbonized wastewater or organic waste water with supercritical water oxidization technique Download PDFInfo
- Publication number
- CN201158601Y CN201158601Y CNU2007201874658U CN200720187465U CN201158601Y CN 201158601 Y CN201158601 Y CN 201158601Y CN U2007201874658 U CNU2007201874658 U CN U2007201874658U CN 200720187465 U CN200720187465 U CN 200720187465U CN 201158601 Y CN201158601 Y CN 201158601Y
- Authority
- CN
- China
- Prior art keywords
- waste water
- water
- heat exchanger
- supercritical
- coking chemical
- 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 - Fee Related
Links
Images
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a system for treating coking waste water or organic waste water by adopting the supercritical water oxidation technique. The utility model is characterized in that: the system comprises a pretreatment device, a pressure pump and a first-stage heat exchanger which are connected in sequence; the first-stage heat exchanger is directly connected with a demineralizer and also connected with the demineralizer via a supercritical boiler; the demineralizer is connected with a reaction vessel; the reaction vessel is connected with an oxidizer transfer pipeline and the first-stage heat exchanger respectively, and is connected with a second-stage heat exchanger via the first-stage heat exchanger; the second-stage heat exchanger is connected with a cooler; and the cooler is connected with a gas-liquid separator via a pressure-regulating device. In the system, both the organic pollutants in waste water and oxidizers are dissolved in water, the oxidation reaction is performed in a homogeneous phase, and the organic pollutants are rapidly oxidized and decomposed within a short reaction time.
Description
Technical field
The present invention relates to Sewage treatment systems, for example, the new technology of coking chemical waste water and other treatment of Organic Wastewater, particularly a kind of system of supercritical water oxidation technical finesse coking chemical waste water.
Background technology
China's coke industry development is rapid unusually, has more than 15000 coke-oven plant by the end of last year, and the coke production ability is near 300,000,000 tons.But medium and small independent coal chemical enterprise quantity accounts for more than 80% of all coking number of the enterprise, and production capacity accounts for 35%.Scope of the enterprise is little, the layout dispersion is extremely unreasonable, and the environmental protection existing problems are outstanding, noxious pollutants such as the waste water of coke production discharging, waste gas, and serious environment pollution threatens body health of people.
The at present treating coking wastewater biologicallies that adopt of the coal chemical enterprise of China more, exploitation successively and perfect " A-O, A
2-O, A-O
2Etc. technology, mainly based on activated sludge process, this method can alignment request up to standard to the processing of phenol, cyanogen, but to COD, NH
3The treatment effect of-N is often not fully up to expectations, particularly NH
3-N is not degraded almost.This process complex procedures, floor space are big, investment, working cost are also higher, and the investment of at present general coking chemical waste water denitrogenation is that ten thousand yuan of/ton water of 15-20, running cost are 5-6 unit/ton water, to take up an area of be 100-150m
2/ ton water.
In order to address this problem, set about from several respects such as microorganism, technical process and reactors, biochemical process has been carried out a large amount of research, but, also had considerable part enterprise can not satisfy the requirement of country or local environmental protection standard with regard to national situation.So the technology of physico-chemical process, burning method, catalytic wet oxidation method, supercritical water oxidation method Treatment of Wastewater in Coking has also caused attention in recent years, make every effort to find that one-time investment is reasonable, working cost is low, the treatment system of wide accommodation, stable water outlet.
The utility model content
The utility model is in order to solve the problem that traditional way exists, the system of a kind of supercritical water oxidation technical finesse coking chemical waste water or organic waste water is provided, it adopts supercritical water oxidation technical finesse coking chemical waste water or organic waste water, organic pollutant and oxygenant in the waste water all are dissolved in the water, oxidizing reaction is carried out in homogeneous phase, in the very short reaction times, organic pollutant is by rapid oxygenolysis.
The technical solution of the utility model is as follows:
The system of supercritical water oxidation technical finesse coking chemical waste water, it is characterized in that comprising: the pre-processing device that is linked in sequence, force (forcing) pump and first-class heat exchanger, described first-class heat exchanger had both directly connected desalination plant, connect desalination plant by super critical boiler again, described desalination plant ligation still, described reactor connects oxygenant transfer conduit and described first-class heat exchanger respectively, and by described first-class heat exchanger connection secondary heat exchanger, described secondary heat exchanger connects water cooler, and described water cooler connects gas-liquid separator by regulator.
Described oxygenant transfer conduit connects secondary heat exchanger, and described secondary heat exchanger connects the oxygenant storage tank by pump.
Described reactor adopts tubular reaction vessel.
The salt discharge outlet of described desalination plant is provided with filtering net and water flushing device.
Described water cooler adopts the structure formation of UTILIZATION OF VESIDUAL HEAT IN.
Described super critical boiler has just begun as primary heater, as auxiliary heater, that is: directly enters desalination plant after waste water is heated to 380-450 ℃ by first-class heat exchanger after system's operation, no longer passes through super critical boiler.
Described pre-processing device adopts the ramp type settling tank, and adds flocculation agent to improve sedimentation effect in the ramp type settling tank.
Described tubular reaction vessel adopts the nickel based super alloy corrosion resistant material.
Described force (forcing) pump is the plunger tpe force (forcing) pump.
Technique effect of the present utility model is as follows:
Adopt the utility model supercritical water oxidation technical finesse coking chemical waste water or organic waste water technology, only need preheating, inorganic salt to separate and three reactors of oxidation, technical process is significantly shortened, and the reaction times significantly accelerates.The plant area area is the less than 1/10th of biochemical process.Pollutant discharge amount reduces tens times than general biochemical method, especially can effectively remove the condensed-nuclei aromaticss such as benzopyrene that carcinogenic potential hazard is arranged in the waste water.Water-quality guideline after the processing can reach and surpass the service water standard, thoroughly realizes zero release, and does not produce secondary pollution.Because adopting this technology is to begin to handle (before the ammonia still process or after the ammonia still process waste water) from wastewater sources, and the water after handling will produce huge environmental benefit near surface water requirement to protection drinking water source water quality.
Compare with other process, adopt supercritical water oxidation technical finesse coking chemical waste water or organic waste water, structure of reactor is simple, volume is little, treatment capacity is big, applied widely, system carries out totally closed operation, non-secondary pollution, and the water after the processing can be used as the reuse water standard, be comparatively ideal coking chemical waste water or organic wastewater treatment process process, have good economy and environmental benefit.
The supercritical water oxidation method has wide application market and good promotion prospect because of the advantage of its high efficiency that has and economy and two aspects of environment.If supercritical water oxidation technical finesse coking chemical waste water or organic waste water technology can realize industrial experiment, and practiced on a large scale, not only the processing to China's coking industry waste water is a field technology revolution, and since supercritical water can realize the separating of organic dissolving and inorganics by the red-tape operati condition, handle and can both be applied for difficult organic and inorganic waste water and municipal wastewater that industries such as papermaking, plating, oil refining are discharged.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the utility model supercritical water oxidation technical finesse coking chemical waste water or organic waste water.
Reference numeral lists as follows:
1-coking chemical waste water or organic waste water, 2-ramp type efficient sedimentation tank, 3-flocculation agent chemicals dosing plant, 4-hydrolysis bucket, 5-Scale inhibitors chemicals dosing plant, 6-chemical tank or storage tank (Scale inhibitors), 7-plunger tpe force (forcing) pump, the 8-first-class heat exchanger, 9-well heater (super critical boiler), 10-desalination plant, 11-reactor, 12-secondary heat exchanger (oxygenant well heater), the 13-oxygenant adds pump, 14-oxygenant storage tank, 15-water cooler (band UTILIZATION OF VESIDUAL HEAT IN), the 16-regulator, 17-gas-liquid separator (band exhaust and water cycle are used).
Embodiment
(Fig. 1) describes the utility model below in conjunction with accompanying drawing.
The system of the utility model supercritical water oxidation technical finesse coking chemical waste water or organic waste water, be to adopt supercritical water oxidation technical finesse coking chemical waste water or organic waste water, organic pollutant and oxygenant in the waste water all are dissolved in the water, oxidizing reaction is carried out in homogeneous phase, in the very short reaction times, the organic pollutant quilt is oxygenolysis rapidly, and utilizes the salt in the insoluble characteristic removal of the overcritical inorganics water.The present invention includes the pre-processing device of coking chemical waste water or organic waste water, remove solid particulate in the waste water with efficient inclined-plate clarifying basin, being transported to energy-saving interchanger with high-pressure pump then heats, be heated to 400 ℃ with super critical boiler during beginning, enter the demineralization plant desalination, the oxygenant that enters tubular reaction vessel and process heating and pressurizing then fully reacts, because reacting, this is autothermal reaction, temperature can be raised to 600 ℃, enter energy-saving interchanger again as thermal medium and the coking chemical waste water or the organic waste water heat exchange of newly coming in, reach the purpose of cooling and heating; And then enter the secondary heat exchanger heated oxidant; Be cooled to normal temperature from entering water cooler after secondary heat exchanger comes out, reclaim used heat, reconcile pressure, enter gas-liquid separator again and carry out gas-liquid separation with variable valve by water cooler, gaseous emission, water cycle is used.System has utilized the two-stage interchanger, and after system was stable, making full use of oxidation operation was the characteristic of autothermal reaction, no longer expends fuel in process of production, and can be with UTILIZATION OF VESIDUAL HEAT IN.Be provided with demineralization plant in the system, can remove the dissolved solids in the water, improve water quality.
So that native system has is energy-conservation, water-saving, the organic nuisance of processing characteristics completely.
Fig. 1 is the system architecture synoptic diagram of the utility model supercritical water oxidation technical finesse coking chemical waste water or organic waste water.The system of supercritical water oxidation technical finesse coking chemical waste water of the present utility model or organic waste water, comprise: the pre-processing device that is linked in sequence is (in the drawings with 2 representatives of ramp type efficient sedimentation tank, can select other settling tanks for use), force (forcing) pump is (in the drawings with 7 representatives of plunger tpe force (forcing) pump, can select other force (forcing) pumps for use) and first-class heat exchanger 8, first-class heat exchanger 8 had both directly connected desalination plant 10, connect desalination plant 10 by super critical boiler 9 again, desalination plant 10 ligation stills 11, reactor 11 connects oxygenant transfer conduit and first-class heat exchanger 8 respectively, and by first-class heat exchanger 8 connection secondary heat exchangers 12, secondary heat exchanger 12 connects water cooler 15, and water cooler 15 connects gas-liquid separator 17 by regulator 16.The oxygenant transfer conduit connects secondary heat exchanger 12, and secondary heat exchanger 12 connects oxygenant storage tank 14 by pump 13.Reactor adopts tubular reaction vessel.The salt discharge outlet of desalination plant 10 is provided with filtering net and water flushing device.Water cooler adopts the structure formation of UTILIZATION OF VESIDUAL HEAT IN.Super critical boiler has just begun as primary heater, as auxiliary heater, that is: directly enters desalination plant 10 after waste water is heated to 380-450 ℃ by first-class heat exchanger 8 after system's operation, no longer by super critical boiler 9.Pre-processing device adopts ramp type settling tank 2, and adds flocculation agent to improve sedimentation effect in ramp type settling tank 2.Tubular reaction vessel adopts the nickel based super alloy corrosion resistant material.Force (forcing) pump is a plunger tpe force (forcing) pump 7.
The operational scheme of the system of the utility model supercritical water oxidation technical finesse coking chemical waste water or organic waste water is described below in conjunction with Fig. 1.As shown in Figure 1, coking chemical waste water or organic waste water 1 enter the efficient ramp type settling tank 2 removal solid particulates that design has flocculation agent chemicals dosing plant 3, add antiseptic corrosion inhibitor (Scale inhibitors is stored in the chemical tank 6) by Scale inhibitors chemicals dosing plant 5 in the water outlet, enter piston high-pressure pump 7 again and be pressurized to 25MPa, be transported to energy-saving first-class heat exchanger 8 and carry out heat exchange with reacted hot water, original state, enter well heater (super critical boiler) 9 again and be heated to 400 ℃, can between 380-450 ℃, select other temperature, after system's operation, if temperature can reach 400 ℃ then do not entering super critical boiler 9, but directly enter desalination plant 10 desalinations, enter special substance then, the tubular reaction vessel 11 of special structure form and 12 heating of process secondary heat exchanger, the oxygenant of oxygenant force (forcing) pump 13 pressurizations fully reacts, because reacting, this is autothermal reaction, temperature can be raised to 600 ℃, enter energy-saving first-class heat exchanger 8 again as thermal medium and the coking chemical waste water or the organic waste water heat exchange of newly coming in, reach the purpose of cooling and heating; And then enter secondary heat exchanger 12 heated oxidants; Be cooled to normal temperature from entering water cooler 15 after secondary heat exchanger 12 comes out, and reclaim used heat, reconcile pressure, enter gas-liquid separator 17 again and carry out gas-liquid separation with regulator 16, gaseous emission, liquid circulation is used.Its characteristics are:
1, coking chemical waste water or organic waste water are in supercritical state (Tc 〉=374.3 ℃, Pc 〉=22.1MPa) following and oxygenant thorough mixing reaction, utilize the density of water under the supercritical state, viscosity, specific inductivity, the reduction of ionic product, hydrogen bond network structure between water molecules disappears, the specific inductivity of water is reduced to organic solvent approximate, the solubleness of organism in water significantly increases and micro-molecular gas, as hydrogen, oxygen, methane, carbonic acid gas etc. can arbitrary proportion and the miscible character of supercritical water, greatly reduce resistance to mass transfer, make organism in the several seconds, almost completely be oxidized to CO
2, H
2O and N
2, and can utilize under the supercritical state, the insoluble characteristic of inorganic salt is removed the salinity in anhydrating, and the fine reuse water is provided.
2, system has utilized the two-stage interchanger, and after system was stable, making full use of oxidation operation was the characteristic of autothermal reaction, no longer expends fuel in process of production, and can be with UTILIZATION OF VESIDUAL HEAT IN.
3, adopted the inclined-plate clarifying basin that has the water inlet of chemicals dosing plant, bottom efficiently pre-processing device as coking chemical waste water or organic waste water.
4, in inclined-plate clarifying basin, drop into flocculation agent and improve sedimentation effect.
5, the corrosion inhibiting and descaling agent that added high temperature high voltage resistant before high-pressure pump reduces or stops fouling, the etching problem of heat-exchange equipment.
6, the structure formation of high-pressure pump, material, sealing all are fit to highly compressed and satisfy coking chemical waste water or organic waste water requires.
7, energy-saving interchanger adopts special structural design, uses special substance, has heat exchanger effectiveness height, little, corrosion-resistant, high temperature resistant, the high voltage bearing characteristics of resistance.
8, be provided with demineralization plant among the present invention, utilized water under supercritical state,, salt is separated out with the insoluble characteristic of inorganics.Outlet at demineralization plant is provided with filtering net and water flushing device, has not only prevented the obstruction of salt pair pipeline and reactor, has also realized the recycling of inorganic salt.
9, reactor adopts tubular reactor, and is simple in structure, adopts novel nickel based super alloy corrosion resistant material, has high pressure resistant, high temperature resistant, corrosion resistant characteristics.
10, water cooler adopts the energy-saving structure form, can reclaim used heat.
Have following characteristics in the process implementing of the present invention:
Supercritical water oxidation method is used for coking chemical waste water or organic waste water as a kind of advanced oxidation waste water, waste treatment technique, compares with other coking chemical waste water or organic wastewater treatment process, has following obvious superiority:
1, processing efficiency is high and thorough, and the processing rate of hazardous and noxious substances reaches more than 99.99%.
2, speed of reaction is fast, and the residence time is short, and mean residence time is less than 30s.
3, structure of reactor is succinct, and volume is little, and floor space is little.
4, do not produce secondary pollution, and removed the salt in the water, the waste water after the processing can be recycled fully, has saved the resource and the energy.
5, if processed waste water in organic concentration 1%～2%, just can rely on the heat that produces in the oxidation reaction process to keep the required heat energy of reaction, not need extraneous heat supplied, if Pollutant levels are higher, reaction can be emitted the more heat of oxidation, and these heat energy can return
Receive again and utilize.
Consider from economy that 6, supercritical water oxidation method processing of waste operating maintenance takes lower, the processed in units cost is lower, has wide industrial application values.
The technique effect that enforcement obtains:
1, technical process is simplified: the at present treating coking wastewater biologicallies that adopt of coal chemical enterprise, exploitation successively and perfect " A-O, A more
2-O, A-O
2Etc. technology, mainly based on activated sludge process, this process complex procedures, floor space are big, investment cost is also higher, and the investment of general coking chemical waste water denitrogenation is ten thousand yuan of/ton water of 15-20, takes up an area of to be 100-150m
2/ ton water.Adopt supercritical water oxidation technical finesse coking chemical waste water or organic waste water, flow process is simple, because speed of response is fast, so volume of equipment is little, floor space is little, takes up an area of to be 10-15m
2/ ton water.
2, save water, cut down the consumption of energy: organic matter decomposition rate can reach 99.99%, and salt also can remove 95%, so water can reclaim fully, has reduced the consumption of water; Organic oxidizing reaction is an autothermal reaction, when concentration reaches 2%, need not heat basically, can also reclaim a part of used heat, has saved the energy.
3, protection environment:
Realize steady running in the successive wastewater treatment equipment, each top pollutant emission index such as COD, ammonia nitrogen, colourity are well below discharging standards (GB 8978-96) in processing back coking chemical waste water or the organic waste water water outlet.See the following form:
| Title | Supercritical water oxidation technical finesse result | The GB8978-1996 first discharge standard |
| Volatile phenol (mg/L) | 0.126 | 0.5 |
| COD(mg/L) | 8.28 | 100 |
| SCN-(mg/L) | 0.021 | 0.5 |
| Ammonia-state nitrogen (mg/L) | 10.5 | 15 |
| Colourity | Water white transparency | 50 |
| PH | ||
| 7 | 6-9 | |
| Total salt/(g/L) | 0.37 | No requirement (NR) |
4, floor space is little: under supercritical state, resistance to mass transfer is little, is swift in response, and equipment volume is little, so floor space is little, and 1/10th of not enough biochemical process.
5, system is stable: not influenced by envrionment temperature etc., system is stable, stable effluent quality.
6, with wet oxidation process, burning method contrast:
| Parameter and index | Supercritical water oxidation | Wet oxidation | Burning method |
| Temperature/℃ | 400-650 | 150-350 | 1200-2000 |
| Pressure/Mpa | 25-30 | 2-20 | Normal pressure |
| Catalyzer | Can not add | Need | Do not need |
| The residence time/min | ≤0.5 | 15-20 | ≥10 |
| Clearance/% | ≥99.99 | 75-90 | ≥99 |
| Self-heating | Be | Be | Be not |
| Suitability | Pervasive | Restricted | Pervasive |
| Ejecta | Nontoxic, colourless | Poisonous, coloured | Dioxins, NOX etc. |
| Subsequent disposal | Do not need | Need | Need |
| Working cost/unit/m 3Waste water | ≤40 | ≤40 | 1600-2000 |
| / ten thousand yuan/m of investment 3Waste water | ≥100 | ≤80 | ≥200 |
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the utility model, but limit the utility model never in any form.Therefore, although this specification sheets has been described in detail the utility model with reference to drawings and Examples,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the middle of the protection domain of the utility model patent.
Claims (8)
1. the system of supercritical water oxidation technical finesse coking chemical waste water or organic waste water, it is characterized in that comprising: the pre-processing device that is linked in sequence, force (forcing) pump and first-class heat exchanger, described first-class heat exchanger had both directly connected desalination plant, connect desalination plant by super critical boiler again, described desalination plant ligation still, described reactor connects oxygenant transfer conduit and described first-class heat exchanger respectively, and by described first-class heat exchanger connection secondary heat exchanger, described secondary heat exchanger connects water cooler, and described water cooler connects gas-liquid separator by regulator.
2. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 1 is characterized in that: described oxygenant transfer conduit connects secondary heat exchanger, and described secondary heat exchanger connects the oxygenant storage tank by pump.
3. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 1 or organic waste water is characterized in that: described reactor adopts tubular reaction vessel.
4. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 1 or organic waste water is characterized in that: the salt discharge outlet of described desalination plant is provided with filtering net and water flushing device.
5. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 1 or organic waste water is characterized in that: described water cooler adopts the structure formation of UTILIZATION OF VESIDUAL HEAT IN.
6. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 1 or organic waste water is characterized in that: described pre-processing device adopts the ramp type settling tank, and adds flocculation agent to improve sedimentation effect in the ramp type settling tank.
7. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 3 or organic waste water is characterized in that: described tubular reaction vessel adopts the nickel based super alloy corrosion resistant material.
8. the system of supercritical water oxidation technical finesse coking chemical waste water according to claim 1 or organic waste water is characterized in that: described force (forcing) pump is the plunger tpe force (forcing) pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201874658U CN201158601Y (en) | 2007-12-25 | 2007-12-25 | System for treating carbonized wastewater or organic waste water with supercritical water oxidization technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201874658U CN201158601Y (en) | 2007-12-25 | 2007-12-25 | System for treating carbonized wastewater or organic waste water with supercritical water oxidization technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201158601Y true CN201158601Y (en) | 2008-12-03 |
Family
ID=40109194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201874658U Expired - Fee Related CN201158601Y (en) | 2007-12-25 | 2007-12-25 | System for treating carbonized wastewater or organic waste water with supercritical water oxidization technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201158601Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633313A (en) * | 2012-04-23 | 2012-08-15 | 西安交通大学 | Supercritical fuel coal direct-current heating furnace for organic waste water |
| CN103570119A (en) * | 2013-11-27 | 2014-02-12 | 贵州省环境科学研究设计院 | Supercritical water oxidation treatment method and device for treating coking wastewater |
| CN104445573A (en) * | 2014-12-05 | 2015-03-25 | 内蒙古天一环境技术有限公司 | Novel supercritical water oxidation comprehensive treatment system and method |
| CN105668891A (en) * | 2016-01-20 | 2016-06-15 | 浙江帝盛科技股份有限公司 | Supercritical water oxidation waste water preheating and purifying system |
| CN110078258A (en) * | 2019-05-17 | 2019-08-02 | 罗会英 | A kind of energy-saving and environment-friendly sewage-treatment plant |
-
2007
- 2007-12-25 CN CNU2007201874658U patent/CN201158601Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633313A (en) * | 2012-04-23 | 2012-08-15 | 西安交通大学 | Supercritical fuel coal direct-current heating furnace for organic waste water |
| CN102633313B (en) * | 2012-04-23 | 2013-08-14 | 西安交通大学 | Supercritical fuel coal direct-current heating furnace for organic waste water |
| CN103570119A (en) * | 2013-11-27 | 2014-02-12 | 贵州省环境科学研究设计院 | Supercritical water oxidation treatment method and device for treating coking wastewater |
| CN104445573A (en) * | 2014-12-05 | 2015-03-25 | 内蒙古天一环境技术有限公司 | Novel supercritical water oxidation comprehensive treatment system and method |
| CN105668891A (en) * | 2016-01-20 | 2016-06-15 | 浙江帝盛科技股份有限公司 | Supercritical water oxidation waste water preheating and purifying system |
| CN110078258A (en) * | 2019-05-17 | 2019-08-02 | 罗会英 | A kind of energy-saving and environment-friendly sewage-treatment plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101209883A (en) | Technique for processing coking wastewater or organic wastewater by supercritical water oxidization technique | |
| CN104710002B (en) | A kind of micro-nano aeration and catalyzing ozonisation waste water treatment system of two-stage | |
| CN103880242B (en) | A kind of coal chemical industrial waste water advanced treatment process | |
| CN112851026B (en) | High-concentration degradation-resistant organic wastewater system and treatment process thereof | |
| CN102874916B (en) | Supercritical water gasification-oxidation method for treating organic wastewater and recycling synthesis gas | |
| CN102167452B (en) | Method and system for treating landfill leachate | |
| CN201158601Y (en) | System for treating carbonized wastewater or organic waste water with supercritical water oxidization technique | |
| CN105254146A (en) | Supercritical water oxidation treatment system and technology for dyeing sludge | |
| CN102442744B (en) | Treatment method of high-concentration process waste water during methanol-to-olefin process | |
| AU2007239462B2 (en) | Method for wet oxidation of effluents heated essentially by self-combustibility, and corresponding installation | |
| CN109320014B (en) | Nitrogen-containing organic matter staged treatment system and method based on supercritical water oxidation reaction | |
| CN101905935A (en) | Method for treating high-concentration garbage percolate by catalysis and supercritical water oxidation | |
| CN103102033A (en) | Sulfur and ammonia-containing wastewater treatment method | |
| CN111848113A (en) | Method and device for realizing efficient reduction and recycling of dewatered sludge by hydrothermal system | |
| CN103043871A (en) | Phenol-contained wastewater treatment method and phenol-contained wastewater treatment system | |
| CN108751653B (en) | Supercritical water oxidation staged oxidation treatment system and process for municipal sludge | |
| CN107265794A (en) | A kind of processing of gasification of poor coal waste water at recycle device and its recovery with using method | |
| CN106673403A (en) | Treatment method of oil sludge | |
| CN203820581U (en) | High-concentration coking desulfurization waste liquid treatment device | |
| CN104193004B (en) | A kind of high density difficult for biological degradation Biochemical Process for Treating Coke Plant Wastewater | |
| CN101811745A (en) | Treating device for extracting naphthalene sulfonic acid waste liquor | |
| CN103819039A (en) | High-concentration coking desulphurization waste liquid treating apparatus and method for catalytic treatment of high-concentration coking desulphurization waste liquid by using waste heat of coking | |
| CN100509661C (en) | Treating technique of polyether polyatomic alcohol producing sewage recovering and utilization | |
| CN212924523U (en) | Coking wastewater ozone catalytic oxidation advanced treatment unit | |
| CN105174675A (en) | Treatment method for coal-gasification wastewater biochemical sludge |
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 |
Owner name: BEIJING NENGTAI HI-TECH ENVIRONMENTAL PROTECTION T Free format text: FORMER NAME: NENGTAI GAOKE ENVIRONMENT PROTECTION CO., LTD., BEIJING |
|
| CP03 | Change of name, title or address |
Address after: 101113 No. 52 Shengli Road, West Pioneer Park, Tongzhou District Economic Development Zone, Beijing Patentee after: Beijing Nengtai Hi-Tech Environmental Protection Technology Co., Ltd. Address before: 101101 Beijing city Chaoyang District Dajiaoting Street Huateng international No. 2 Building 9 layer Patentee before: Nengtai Gaoke Environment Protection Co., Ltd., Beijing |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |