CN204569678U - The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water - Google Patents
The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water Download PDFInfo
- Publication number
- CN204569678U CN204569678U CN201520246162.3U CN201520246162U CN204569678U CN 204569678 U CN204569678 U CN 204569678U CN 201520246162 U CN201520246162 U CN 201520246162U CN 204569678 U CN204569678 U CN 204569678U
- Authority
- CN
- China
- Prior art keywords
- waste water
- ozone
- gas
- tank
- variable valve
- 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.)
- Active
Links
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water, belong to wastewater treatment equipment technical field, it is by after one-level mixing tank and the mixing of secondary mixer high velocity turbulent flow, and pressure oxidation reaction in tubular reactor, remaining tank respectively, changes organic constitution.After ozone oxidation, waste water enters BAF by degassing vessel, and the waste water after process is discharged from top, then after sand filter, returns production apply mechanically as reuse water.Tail gas enters aeration tank with air mixed and reuses after ozone breaker destroys.The utility model is simple to operate, low for equipment requirements, after method process of the present utility model, the COD of former DMTO device biochemical treatment output is about 110mg/L, biodegradability can reduce its COD by very poor waste water further, recirculated water reuse standard can be reached completely, to meet the object that production cycle is applied mechanically.
Description
Technical field
The utility model belongs to technical field of waste water processing, be specifically related to the low BC of a kind of DMTO device than the deep treatment method of waste water and treatment unit, mainly for hyposaline waste water in methanol-to-olefins (DMTO) device after biochemical treatment (SBR), the waste water that BC is lower reduces its COD further, to meet the object that production cycle is applied mechanically.
Background technology
Can produce a kind of COD value in methanol-to-olefins (DMTO) device production process is 2000-2500mg/L, total soluble solids content (TDS) value is the waste water of below 200mg/L, about 110mg/L is down to by COD after biochemical treatment, now the biodegradability of waste water is very poor, because COD is higher, be not suitable for production and apply mechanically, consider that its saliferous is less, only COD wherein need be reduced further, production can be directly used in and apply mechanically.
For low BC reduction its COD value further than waste water, usual employing adds Strong oxdiative medicament and destroys the organic structure being difficult to biochemical treatment in waste water, break its biochemical treatment stable state, thus reduce its COD value further by the mode of biochemical treatment, namely improve the BC ratio of waste water.
Usually the oxygenant used has dioxide peroxide, ozone etc., ozone is the trivalent chromosome of the instability of oxygen, oxidation potential is the highest in conventional oxygenant, reaches 2.07, is only only second to fluorine, it is a kind of strong oxidizer of unbound state, strong to the organic destruction of biochemical treatment difficult in water, reacted tail gas is oxygen, compared with dioxide peroxide, non-secondary pollution, so adopt By Ozone to improve the BC of waste water than being widely used in the industry.
Usually adopt tower or tank reactor when using ozone in industry, waste water enters from tower or tank top, and ozone enters reaction tower or tank from bottom by sparger, ozone and waste water counter current contact.The tail gas of overflowing from waste water enters air after deozonization device.Mainly there is Railway Project in this treatment process: a, ozone utilization rate are low, consumes large, contact only by action of gravity, the time of waste water and ozone contact is very short often only has short several seconds, impact by ozone sparger is comparatively large, if when forming air pocket, ozone utilization rate is lower.B, usually adopt synthesis under normal pressure, the solubleness of ozone in water is little, adds that duration of contact is short, and the meltage of ozone in water is lower, and c, ozone generally adopt oxygen method to generate, and the tail gas discharged is essentially oxygen, and directly discharge waste is larger.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide the deep treatment method of a kind of efficient, simple low BC of DMTO device than waste water and treatment unit.
The described low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water, comprise one-level mixing tank, secondary mixer, degassing vessel, tubular reactor, remaining tank and BAF, it is characterized in that described one-level mixing tank entrance end connects waste water water pump, exit end connects tubular type Reactor inlet end, described tubular reactor exit end connects the entrance end of gas-liquid separator side, gas-liquid separator top gas exit end connects ozone breaker, gas-liquid separator bottom liquid outlet end connects secondary mixer entrance end, secondary mixer exit end connects bottom remaining tank, remaining tank side connects degassing vessel bottom inlet end, degassing vessel air outlet end connects ozone breaker, degassing vessel side exit end connects BAF, also gas blower is connected bottom described BAF, gas blower is connected with ozone breaker air outlet, described remaining tank top exit is connected with one-level mixing tank and ozone breaker respectively, on described remaining tank and one-level mixing tank connecting pipeline, on gas-liquid separator and ozone breaker connecting pipeline, on remaining tank and degassing vessel connecting pipeline and on degassing vessel and BAF connecting pipeline, the second variable valve is set respectively, 3rd variable valve, first variable valve and the 4th variable valve, second variable valve, 3rd variable valve, first variable valve and the 4th variable valve respectively with pressure indicator, gas is through under meter, first liquid level gauge and the second liquid level gauge connect, this device carries out gradient recycle to ozone, oxygen in ozone is effectively utilized.
The described low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water, and it is characterized in that described remaining tank, degassing vessel is pressurized vessel, inside arranges the first over-pass and the second over-pass respectively.
The described low BC of a kind of DMTO device, than the advanced treatment apparatus of waste water, is characterized in that described one-level mixing tank, secondary mixer is venturi-type eductors.
The described low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water, and it is characterized in that described tubular reactor is horizontal sliding streaming structure, its inside arranges disturbing flow device, and described disturbing flow device is spiral, silk screen or ripple struction.
The described low BC of a kind of DMTO device is than the deep treatment method of waste water, this low BC(BOD/COD) be 100-120mg/L than the COD of waste water, BOD is 5-15mg/L, it is characterized in that described deep treatment method is as follows: from the low BC of SBR than waste water by after one-level mixing tank mixes with the unreacted tail gas high velocity turbulent flow from remaining tank, compressive reaction in tubular reactor, from tubular reactor waste water out after gas-liquid separator is mixed by secondary mixer high velocity turbulent flow with the ozone from ozonizer, compressive reaction in remaining tank, waste water after process is discharged from remaining tank top and is entered degassing vessel, after waste water after degassed enters BAF by Liquid level, return production as reuse water to apply mechanically, from gas-liquid separator and degassing vessel gas out by enter after ozone breaker mix with blower export gas after enter BAF.
The described low BC of a kind of DMTO device, than the deep treatment method of waste water, is characterized in that described deep treatment method is specific as follows:
1) the low BC from SBR is pressurized to 0.8-1.0MPa than waste water by waste water water pump, pump in one-level mixing tank by waste water water pump, mix with from the unreacted ozone of remaining tank tank deck high velocity turbulent flow in one-level mixing tank, dissolve, enter tubular reactor after mixing under high velocity turbulent flow state, continue mixing, reaction, flow out from tubular reactor top after reaction terminates;
2) waste water flowed out from tubular reactor top enters gas-liquid separator, carry out gas-liquid separation, gas is discharged from gas-liquid separator top, liquid is discharged bottom gas-liquid separator, liquid enters in remaining tank with the ozone from ozonizer after secondary mixer mixes bottom remaining tank, the ozone in waste water is dissolved into and the hardly degraded organic substance in waste water reacts further in remaining tank, pressure indicator and the first liquid level gauge are set in remaining tank, control the second variable valve by pressure indicator and regulate remaining tank internal pressure, first liquid level gauge controls the first variable valve and regulates liquid level in remaining tank, liquid in the reacted waste water of pressurized ozone is discharged from remaining tank sidewall exit, reaction end gas is discharged from remaining tank top, reaction end gas part enters and enters tubular reactor after one-level mixing tank mixes with the waste water from SBR and react, residue reaction end gas is another outlet discharge from remaining tank top, described gas-liquid separator top expellant gas controls after the 3rd variable valve outflow through under meter, after entering ozone breaker process by pipeline after converging with the residue reaction end gas from degassing vessel top again, enter in BAF through gas blower and utilize,
3) bottom degassing vessel, degassing vessel is entered from the liquid the reacted waste water of pressurized ozone that remaining tank sidewall exit is discharged degassed, the gas removed enters ozone breaker process, liquid after degassed controls the 4th variable valve through the second liquid level gauge, enter bottom BAF, from bottom to up through BAF, allocate gas into by gas blower bottom BAF simultaneously, waste water after process is discharged from top, again after sand filter, return production as reuse water to apply mechanically, the waste water COD allotted from BAF is 30-40mg/L, TDS is less than 500mg/L.
The described low BC of a kind of DMTO device is than the deep treatment method of waste water, it is characterized in that the tubular reactor described in step 1) is horizontal sliding streaming structure, the contact that its inner setting is beneficial to gas and liquid, the disturbing flow device dissolved again, described disturbing flow device is spiral, silk screen or ripple struction.
The described low BC of a kind of DMTO device is than the deep treatment method of waste water, it is characterized in that in step 1), in tubular reactor, ozone is from the unreacted ozone of remaining tank, be 0.6-0.8MPa with the operating of contacts pressure of waste water, in tubular reactor, the residence time is 0.5-1 minute.
The described low BC of a kind of DMTO device is than the deep treatment method of waste water, and it is characterized in that gas allocated into by gas blower in step 3) is gas not ozoniferous after air or ozone breaker process.
By adopting above-mentioned technology, compared with prior art, the beneficial effects of the utility model are as follows:
1) the utility model adopts tubular reactor under high velocity turbulent flow state, ozone to be mixed with waste water, react, and tubular reactor adopts the design of horizontal sliding streaming, inside arranges spiral, silk screen or ripple disturbing flow device, turbulence effects can be increased, increase the contact of ozone and waste water, ozone concn higher in waste water can be maintained, be conducive to the contact of gas and liquid, dissolve again;
2) ozone of the present utility model and waste water are in tubular reactor after abundant contact reacts, enter vapour liquid separator to be separated, liquid enters remaining tank from remaining tank bottom, the ozone in water is dissolved into and the hardly degraded organic substance in waste water reacts in remaining tank, destroy its molecular structure, improve the biodegradability of waste water, and the working pressure of remaining tank is identical with tubular reactor, to ensure that the ozone dissolved in tubular reactor can not be overflowed from water because of the change of pressure;
3) the utility model is by remaining tank reaction end gas out with the low BC of DMTO device is whole than waste water passes through two mixing tanks, by ozone two cascade utilizations of different concns, increase operation rate further, by the mixed liquid of venturi mixer, enter bottom BAF after removing ozone gas by degassing vessel again, avoiding ozone enters in BAF, and the phenomenon that ozone kills the bacterium of BAF occurs; After BAF process, low COD waste water is discharged from BAF top and is entered reuse pool after sand filtration for the production of applying mechanically;
4) the utility model is by arranging ozonize device, by ozone unreacted in this technique all through the process of ozonize device, after removing ozone wherein, BAF is blasted again together with the air of blower export, take full advantage of gas recovery, decrease the load of gas blower, reduce energy consumption.
5) the low BC of DMTO device of the present utility model is than the deep treatment method of waste water, it improves its biodegradability by ozone oxidation, in order to improve the utilization ratio of ozone, strengthen the effect of ozone oxidation, this device arranges the pressure oxidation of two-stage ozone, after one-level mixing tank and the mixing of secondary mixer high velocity turbulent flow, pressure oxidation reaction in tubular reactor, remaining tank respectively, changes organic constitution.After ozone oxidation, waste water enters BAF by degassing vessel, waste water after process is discharged from top, again after sand filter, return production as reuse water to apply mechanically, ozone oxidation tail gas enters aeration tank after ozone breaker destruction wherein unreacted ozone with after the air mixed of BAF, makes full use of oxygen wherein.Deep treatment method of the present utility model, simple to operate, low for equipment requirements, after method process of the present utility model, not only can complete the problem of sewage disposal, reach the object of environment protection.The method is mainly for hyposaline waste water in DMTO device after biochemical treatment, and COD is about 100mg/L, and biodegradability can reduce its COD by very poor waste water further, can reach recirculated water reuse standard completely, to meet the object that production cycle is applied mechanically.
Accompanying drawing explanation
Fig. 1 is treatment unit structural representation of the present utility model.
In figure: 1-waste water water pump, 2-one-level mixing tank, 3-tubular reactor, 4-gas-liquid separator, 5-secondary mixer, 6-remaining tank, 7-degassing vessel, 8-BAF, 9-gas blower, 10-first liquid level gauge, 11-first variable valve, 12-pressure indicator, 13-second variable valve, 14-gas is through under meter, 15-the 3rd variable valve, 16-first over-pass, 17-second over-pass, 18-ozone breaker, 19-second liquid level gauge, 20-the 4th variable valve.
Embodiment
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is not limited in this:
As shown in Figure 1, the low BC of DMTO device of the present utility model is than the advanced treatment apparatus of waste water, comprise one-level mixing tank 2, secondary mixer 5, degassing vessel 7, tubular reactor 3, remaining tank 6 and BAF 8, one-level mixing tank 2 entrance end connects waste water water pump 1, exit end connects tubular reactor 3 entrance end, described tubular reactor 3 exit end connects the entrance end of gas-liquid separator 4 side, gas-liquid separator 4 top gas exit end ozone breaker 18, gas-liquid separator 4 bottom liquid outlet end connects secondary mixer 5 entrance end, secondary mixer 5 exit end connects bottom remaining tank 6, remaining tank 6 side connects degassing vessel 7 bottom inlet end, degassing vessel 7 air outlet end connects ozone breaker 18, degassing vessel 7 side exit end connects BAF 8, gas blower 9 is also connected bottom described BAF 8, gas blower 9 is connected with ozone breaker 18, described remaining tank 6 top exit is connected with one-level mixing tank 2 and ozone breaker 18, described remaining tank 6 is with on one-level mixing tank 2 connecting pipeline, gas-liquid separator 4 is with on ozone breaker 18 connecting pipeline, on remaining tank 6 and degassing vessel 7 connecting pipeline and on degassing vessel 7 and BAF 8 connecting pipeline, the second variable valve 13 is set respectively, 3rd variable valve 15, first variable valve 11 and the 4th variable valve 20, second variable valve 13, 3rd variable valve 15, first variable valve 11 and the 4th variable valve 20 respectively with pressure indicator 12, gas is through under meter 14, first liquid level gauge 10 and the second liquid level gauge 19 control, this device carries out gradient recycle to ozone, oxygen in ozone is effectively utilized.This device carries out gradient recycle to ozone, oxygen in ozone is effectively utilized, described remaining tank 6 is pressurized vessel with degassing vessel 7, inside arranges the first over-pass 16 and the second over-pass 17 respectively, described tubular reactor 3 is horizontal sliding streaming structure, its inside arranges disturbing flow device, and described disturbing flow device is spiral, silk screen or ripple struction, is conducive to the contact of gas and liquid, dissolves.
As shown in the figure, the low BC of a kind of DMTO device is than the deep treatment method of waste water, and this low BC is 90-110mg/L, BOD than the COD of waste water is 0-5mg/L, and concrete steps are as follows:
1) the low BC from the SBR of DMTO device is pressurized to 0.8-1.0MPa than waste water by waste water water pump 1, pump in one-level mixing tank 2 by waste water water pump 1, mix with from the unreacted ozone of remaining tank 6 tank deck high velocity turbulent flow in one-level mixing tank 2, dissolve, enter tubular reactor 3 after mixing under high velocity turbulent flow state, continue mixing, reaction, flow out from tubular reactor 3 top after reaction terminates, in tubular reactor 3, ozone is from the unreacted ozone of remaining tank 6, be 0.6-0.8MPa with the operating of contacts pressure of waste water, in tubular reactor 3, the residence time is 0.5-1 minute,
2) waste water flowed out from tubular reactor 3 top enters gas-liquid separator 4, carry out gas-liquid separation, gas is discharged from gas-liquid separator 4 top, liquid is discharged bottom gas-liquid separator 4, liquid enters in remaining tank 6 with the ozone from ozonizer after secondary mixer 5 mixes bottom remaining tank 6, the ozone in waste water is dissolved into and the hardly degraded organic substance in waste water reacts further in remaining tank 6, pressure indicator 12 and the first liquid level gauge 10 are set in remaining tank 6, control the second variable valve 13 by pressure indicator 12 and regulate remaining tank internal pressure, first liquid level gauge 10 controls the first variable valve 11 and regulates liquid level in remaining tank, liquid in the reacted waste water of pressurized ozone is discharged from remaining tank 6 sidewall exit, carry out ozone through degassing vessel 7 again to remove, the ozone gas mixture removed is discharged from degassing vessel 7 top, with gas-liquid separator 4 top expellant gas, enter ozone breaker 18 after the unnecessary reaction end gas that remaining tank 6 top is discharged converges to process, the part that wherein remaining tank 6 top is discharged enters the first mixing tank 2 and reacts,
3) control three variable valve 15 after to enter ozone breaker 18 through gas through under meter 14 from gas-liquid separator 4 top expellant gas to process, gas not ozoniferous after ozone breaker 18 destroys from ozone breaker 18 air outlet out, communicate with the air outlet of gas blower 9, through gas blower 9, it is blasted recycling BAF 8 bottom BAF 8, waste water after process is discharged from top, again after sand filter, return production as reuse water to apply mechanically, the waste water COD allotted from BAF is 30-40mg/L, TDS is less than 500mg/L, in degassing vessel 7, ozone is from tubular reactor 3 unreacted ozone or oxygen after two-stage reaction, BAF 8 is entered after mixing, waste water after process is discharged from top, again after sand filter, return production as reuse water to apply mechanically, utilize the oxidizing substance in tail gas further, recirculated water reuse standard can be reached completely after the utility model process.
Embodiment 1
The low BC ratio of SBR treatment unit (the i.e. BOD5/COD ratio) waste water of the DMTO device of our company, its water flow is 80m3/h, and COD is 100mg/L, and TDS is 500mg/L, and BOD is almost nil, can not meet reuse water requirement.This waste water boosts to 0.8-1.0Mpa(gauge pressure by waste water water pump 1 of the present utility model), ozonizer adopts source of oxygen, ozone generator outlet ozone content is 60mg/L, the amount of allocating into of ozone is 15mg/L waste water, after ozone and waste water fully being mixed by one-level mixing tank 2, enter tubular reactor 3, tubular reactor 3 caliber is DN100, length is 22 meters, threaded turbulent flow device is set in tubular reactor 3, waste water and ozone mix in tubular reactor 3, reaction time is 60 seconds, remaining tank 6 is entered from remaining tank 6 bottom, remaining tank 6 working pressure keeps 0.7Mpa, remaining tank 6 useful volume used is 20m3, the over-pass 16 top overflow arranged from remaining tank 6 inside through the reacted waste water of pressurized ozone is discharged in remaining tank 6, reaction end gas is discharged from remaining tank 6 top, in reaction end gas, ozone content is 10mg/L, all the other are oxygen (being equivalent to air flow quantity 115m3/h), through the reacted waste water BOD of pressurized ozone to being promoted to 80mg/L.After being processed from remaining tank waste water out and tail gas by degassing vessel 7, waste water enters BAF 8 from degassing vessel 7 side, gas (ozone) is discharged from degassing vessel 7 top, process through ozone breaker 18, gas after process blasts bottom BAF 8 through gas blower 9, the air amount of allocating into is 680m3/h, the waste water COD allotted from BAF is 30 ~ 40mg/L, TDS:500mg/L, reuse water requirement is met again after sand filter process, due to the utilization of the tail gas of ozone reaction, BAF gas blower load reduces by 10%.
Claims (4)
1. the low BC of DMTO device is than the advanced treatment device of waste water, comprise one-level mixing tank (2), secondary mixer (5), degassing vessel (7), tubular reactor (3), remaining tank (6) and BAF (8), it is characterized in that described one-level mixing tank (2) entrance end connects waste water water pump (1), exit end connects tubular reactor (3) entrance end, described tubular reactor (3) exit end connects the entrance end of gas-liquid separator (4) side, gas-liquid separator (4) top gas exit end connects ozone breaker (18), gas-liquid separator (4) bottom liquid outlet end connects secondary mixer (5) entrance end, secondary mixer (5) exit end connects remaining tank (6) bottom, remaining tank (6) side connects degassing vessel (7) bottom inlet end, degassing vessel (7) air outlet end connects ozone breaker (18), degassing vessel (7) side exit end connects BAF (8), described BAF (8) bottom also connects gas blower (9), gas blower (9) is connected with ozone breaker (18) air outlet, described remaining tank (6) top exit is connected with one-level mixing tank (2) and ozone breaker (18) respectively, described remaining tank (6) is with on one-level mixing tank (2) connecting pipeline, gas-liquid separator (4) is with on ozone breaker (18) connecting pipeline, on remaining tank (6) and degassing vessel (7) connecting pipeline and on degassing vessel (7) and BAF (8) connecting pipeline, the second variable valve (13) is set respectively, 3rd variable valve (15), first variable valve (11) and the 4th variable valve (20), second variable valve (13), 3rd variable valve (15), first variable valve (11) and the 4th variable valve (20) respectively with pressure indicator (12), gas is through under meter (14), first liquid level gauge (10) and the second liquid level gauge (19) connect, this device carries out gradient recycle to ozone, oxygen in ozone is effectively utilized.
2. the low BC of a kind of DMTO device according to claim 1 is than the advanced treatment device of waste water, it is characterized in that described remaining tank (6), degassing vessel (7) is pressurized vessel, inside arranges the first over-pass (16) and the second over-pass (17) respectively.
3. the low BC of a kind of DMTO device according to claim 1 is than the advanced treatment device of waste water, it is characterized in that described one-level mixing tank (2), secondary mixer (5) is venturi-type eductors.
4. the low BC of a kind of DMTO device according to claim 1 is than the advanced treatment device of waste water, it is characterized in that described tubular reactor (3) is for horizontal sliding streaming structure, its inside arranges disturbing flow device, and described disturbing flow device is spiral, silk screen or ripple struction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246162.3U CN204569678U (en) | 2015-04-22 | 2015-04-22 | The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246162.3U CN204569678U (en) | 2015-04-22 | 2015-04-22 | The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204569678U true CN204569678U (en) | 2015-08-19 |
Family
ID=53862348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520246162.3U Active CN204569678U (en) | 2015-04-22 | 2015-04-22 | The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204569678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835182A (en) * | 2019-11-26 | 2020-02-25 | 浙江兴兴新能源科技有限公司 | Treatment process and treatment device for low BC ratio wastewater |
| CN111003895A (en) * | 2019-12-27 | 2020-04-14 | 南京工业大学 | MTO chemical wastewater membrane method zero-discharge treatment process and waste salt resource utilization technology |
-
2015
- 2015-04-22 CN CN201520246162.3U patent/CN204569678U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835182A (en) * | 2019-11-26 | 2020-02-25 | 浙江兴兴新能源科技有限公司 | Treatment process and treatment device for low BC ratio wastewater |
| CN111003895A (en) * | 2019-12-27 | 2020-04-14 | 南京工业大学 | MTO chemical wastewater membrane method zero-discharge treatment process and waste salt resource utilization technology |
| CN111003895B (en) * | 2019-12-27 | 2022-04-15 | 南京工业大学 | MTO chemical wastewater membrane method zero-discharge treatment process and waste salt resource utilization technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104787981A (en) | Low BC ratio wastewater advanced treatment method of DMTO device and treatment plant | |
| CN104710002B (en) | A kind of micro-nano aeration and catalyzing ozonisation waste water treatment system of two-stage | |
| CN103787530B (en) | A kind of fracturing outlet liquid processing method | |
| CN110776085B (en) | Hypergravity whirl microbubble ozone oxidation advanced waste treatment system | |
| CN105540947A (en) | Method and system for processing drilling wastewater | |
| CN110228935A (en) | A kind of sludge dewatering pretreatment unit and method | |
| CN106495359A (en) | A kind of highly difficult advanced waste treatment apparatus and method | |
| CN112978898A (en) | Hydraulic-ultrasonic cavitation cooperative rotational flow microbubble enhanced ozone mass transfer device | |
| CN204569678U (en) | The low BC of a kind of DMTO device is than the advanced treatment apparatus of waste water | |
| CN203513318U (en) | Ozone air floatation combination device | |
| CN105293669A (en) | Method for adjusting pH value of alkaline waste water | |
| CN105384230A (en) | Cellulose wastewater pretreatment apparatus and application thereof | |
| CN211688625U (en) | Fenton oxidation system for brownification waste liquid treatment | |
| CN108017197A (en) | Hydrodynamic cavitation coupling H2O2Process for recycling mineral processing wastewater of purified lead-zinc sulfide ore | |
| WO2020157914A1 (en) | Sewage treatment device and sewage treatment method | |
| CN104986904A (en) | Ozone microbubble reaction sewage treatment equipment and method | |
| CN114772801A (en) | System and method for treating beneficiation wastewater by ozone-hydrogen peroxide coupling jet aeration oxidation | |
| CN212559868U (en) | High-efficient anaerobism of waste paper papermaking waste water goes out water degasification decalcification system | |
| CN209098476U (en) | A kind of mud decrement device based on ozone oxidation-SBR technology | |
| CN204111472U (en) | A kind of branch inlet type Fenton reagent oxidizing treater | |
| CN106396187A (en) | Cyanide wastewater treating and recycling method | |
| CN210237220U (en) | Device for treating wastewater by catalytic oxidation of ozone | |
| CN111282436A (en) | Purification process and system for waste gas containing high-concentration reductive sulfide in sewage station | |
| CN204569528U (en) | Ozone-oxidizing device | |
| WO2019127270A1 (en) | Ozone oxidation and air flotation integrated sewage treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |