CN105036501B - Sludge degradation treatment method - Google Patents
Sludge degradation treatment method Download PDFInfo
- Publication number
- CN105036501B CN105036501B CN201510475497.7A CN201510475497A CN105036501B CN 105036501 B CN105036501 B CN 105036501B CN 201510475497 A CN201510475497 A CN 201510475497A CN 105036501 B CN105036501 B CN 105036501B
- Authority
- CN
- China
- Prior art keywords
- sludge
- product
- heavy metal
- addition
- metal stabilizer
- 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 Sludge (AREA)
Abstract
The invention relates to the field of sludge treatment, in particular to a sludge degradation treatment method. The method can degrade sludge to be combustible gas products, liquid products and solid products, the products are separately treated, and therefore large-scale treatment of the sludge is facilitated, and classified discharging after degradation is facilitated. The defects that in the prior art, sludge is difficult to transport, and large-scale treatment is inconvenient are overcome. According to the embodiment of the sludge degradation treatment method, the method includes the steps that step1, the sludge to be treated is mixed with enriched-oxygen gas, and the mixture is treated under the undercritical conditions; step2, the treated products are separated to obtain the combustible gas products, the liquid products and the solid products.
Description
Technical field
The present invention relates to field of sludge treatment, more particularly to a kind of sludge degradation processing method.
Background technology
At present, China's municipal sewage treatment amount increasingly increases, and the sludge quantity produced in the annual sewage disposal process of China surpasses
Cross 30,000,000 tons.Sludge is a kind of be made up of organic relic, microorganism, inorganic particle and colloid etc. and its complexity
Heterogeneous body, because sludge has big viscosity, moisture content high (more than 80%), content of organics high and easily degenerates smelly
Feature, during sludge is processed, there is a problem of being difficult to convey and discharge limited.
Therefore, it is badly in need of finding a kind of sludge degradation processing method, is difficult to convey and discharge limited greatly to solve sludge quantity
Problem.
The content of the invention
Present invention is primarily targeted at, there is provided sludge degradation can be gas by a kind of sludge degradation processing method, solid
Body and product liquid, and processed respectively, consequently facilitating the extensive process of sludge and the classified emission after degraded.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of sludge degradation processing method, including：
Step 1) pending sludge is mixed with oxygen rich gas, processed under undercritical conditions；
Step 2) product after process is separated, obtain imflammable gas product, product liquid and solid product.
Preferably, the step 2) in separation carried out to the product after process include：
Step 21) product after process is obtained into flash-off steam and flash distillation substrate, the sudden strain of a muscle by step-down flash separation
Steam steam cooling and obtain Part I imflammable gas product and Part I product liquid；
Step 22) flash distillation substrate Jing gas-solid-liquids are separated into acquisition Part II imflammable gas product, Part II liquid
Product and solid product.
Optionally, methods described also includes：Step 3) in the product liquid or Part II product liquid for being obtained
Addition heavy metal stabilizer carries out heavy metal fixation acquisition heavy metal solid product and can discharge to use water；
Or, in step 1) middle addition heavy metal stabilizer.
Further, it is described in step 1) in addition heavy metal stabilizer include：An addition huge sum of money in pending sludge
Category stabilizer；Or, heavy metal stabilizer is added during sub-critical treatment.
Preferably, the heavy metal stabilizer includes alkali metal hydroxide, alkaline earth metal hydroxide or sulfate.
Optionally, the pressure of system is 3-22MPa under the undercritical conditions, and temperature is 200-373 DEG C.
Preferably, the quality of oxygen is the 3-30% of sludge degradation theoretical oxygen demand in the addition of the oxygen rich gas.
Optionally, the temperature that system is kept during adding heavy metal stabilizer is 30-350 DEG C, and pressure is 1.0-
15MPa。
Preferably, the concentration for adding heavy metal stabilizer in system after the heavy metal stabilizer is 30mg/L～100g/
L。
Further, the addition manner of the heavy metal stabilizer is interval addition or continuous addition.
The embodiment of the present invention provides a kind of sludge degradation processing method, wherein, the pending sludge is generally by organic
Relic, microorganism, inorganic particle and colloid composition, by adding oxygen rich gas in sludge, and in subcritical bar
Process under part, the main binding material in sludge and biological cell can be destroyed and cause sludge degradation for imflammable gas product
Thing, product liquid and solid product, and imflammable gas product, product liquid and solid product can be located respectively
Reason, consequently facilitating the extensive process of sludge and the classified emission after degraded, overcome sludge in prior art and be difficult conveying
And it is not easy to the defect of extensive process.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of sludge degradation processing method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another kind of sludge degradation processing method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another kind of sludge degradation processing method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another kind of sludge degradation processing method provided in an embodiment of the present invention；
Fig. 5 is the flow chart of another kind of sludge degradation processing method provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In describing the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is based on shown in the drawings
Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than indicate or imply indication device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In description of the invention, unless otherwise stated, " multiple " are meant that two or more.
Referring to Fig. 1, a kind of flow chart of sludge degradation processing method is provided for the embodiment of the present invention, including：
Step 1) pending sludge is mixed with oxygen rich gas, processed under undercritical conditions；
Step 2) product after process is separated, obtain imflammable gas product, product liquid and solid product.
The embodiment of the present invention provides a kind of sludge degradation processing method, wherein, the pending sludge is generally by organic
Relic, microorganism, inorganic particle and colloid composition, by adding oxygen rich gas in sludge, and in subcritical bar
Process under part, the main binding material in sludge and biological cell can be destroyed and cause sludge degradation for imflammable gas product
Thing, product liquid and solid product, and imflammable gas product, product liquid and solid product can be located respectively
Reason, consequently facilitating the extensive process of sludge and the classified emission after degraded, overcome sludge in prior art and be difficult conveying
And it is not easy to the defect of extensive process.
, wherein it is desired to explanation, generally pending sewage sludge viscosity than larger, by pending sludge and oxygen rich air
Body has that mixing is uneven when mixing, meanwhile, it is relatively elaborate when pending sludge is transported in retort, because
This, is carrying out step 1) before degradation treatment, the pending sludge can first be pre-processed, make pumpable dirt
Material-mud, it is preferred that in step 1) also include before：Add water in pending sludge and sludge is diluted to into preset concentration.
Here, the preset concentration is not limited, as long as enabling sludge to realize pumping.
Wherein, the undercritical conditions is not limited, in one embodiment of the invention, system under the undercritical conditions
Pressure is 3-22MPa, and temperature is 200-373 DEG C.Preferably, system pressure is 5-18MPa.
Wherein, the oxygen rich gas is not also limited, it is preferred that the oxygen rich gas is oxygen of the concentration more than 99%
Gas.After the oxygen mix by the pending sludge and concentration more than 99%, under undercritical conditions sludge is occurred
Degradation reaction, will not introduce in the process other chemical elements, so as to simplify subsequent processes.
To step 1) described in the addition of oxygen rich gas also do not limit, it should be noted that oxygen rich gas and sludge
Make sludge that degradation reaction, in the process, the organic matter such as organic relic, microorganism in sludge occur under undercritical conditions
Carbon dioxide and water can be changed into after with excessive oxygen reaction, and when amount of oxygen is not enough, organic relic in the sludge,
The organic matters such as microorganism can be oxidized to imflammable gas product and water, in one embodiment of the invention, the oxygen rich gas
Addition in oxygen quality for sludge degradation theoretical oxygen demand 3-30%.Wherein it is possible to carry out to a certain amount of sludge
Elementary analysis, and the calorific value to sludge measures, and is titanium dioxide by the carbon conversion in sludge so as to draw the phosphorus content of sludge
Amount of oxygen required for carbon is the sludge degradation theoretical oxygen demand.
Wherein, to the step 2) in detached detailed process carried out to the product after process do not limit, in the present invention
A preferred embodiment in, the step 2) in separation carried out to the product after process include：Step 21) by the product after process
Flash-off steam and flash distillation substrate are obtained by being depressured flash separation, the flash-off steam cooling obtains Part I combustibility gas
Body product and Part I product liquid；Step 22) flash distillation substrate Jing gas-solid-liquids are separated into acquisition Part II combustibility gas
Body product, Part II product liquid and solid product.
Wherein, it is depressured flash distillation to refer to when the heat setting under certain pressure bears water or boiler water is depressurized, part water occurs secondary
The process of evaporation, resulting steam is flash-off steam.By above-mentioned separation process, the Part I product liquid for being obtained
For clean water, can be directly used for irrigating or domestic water, improve the utilization ratio of water resource, while, additionally it is possible to reduce institute
State Part II product liquid such that it is able to reduce the subsequent treatment scale to the Part II product liquid.
Wherein, to through step 2) the imflammable gas product, product liquid or the Part II product liquid that are obtained
And the processing mode of solid product is not also limited, wherein, the imflammable gas product can be used for industrial energy supply or
Used as fuel combustion, the product liquid or Part II product liquid can be determined wherein by the test such as elementary analysis
Content of beary metal, reach can be used for irrigating, sludge slurrying or directly being discharged for discharge standard, not up to discharge mark
Accurate to give further processing being discharged or sludge slurrying, the solid product can be carried out at burning after centralized collection
Reason, Anaerobic Digestion or landfill disposal.
, wherein it is desired to explanation, in different industries, the composition of sludge also difference, for example, industrial sludge are produced
For municipal sludge, the composition of industrial sludge is increasingly complex, and the heavy metal contaminants content such as mercury, cadmium, chromium is higher, at certain
The product liquid that the above-mentioned degradation processes of sludge Jing that a little content of beary metal are reduced are obtained can be discharged directly, but, work
Industry Heavy Metal Level In Sludge is higher, and when processing industrial sludge, content of beary metal is the intractable reason of discarded object
One of, and work as industrial sludge after above-mentioned degradation treatment process, these heavy metal contaminants are generally in the form of ion
In the product liquid or Part II product liquid for being obtained, the product liquid for being obtained or Part II product liquid
Discharge standard is not reached because content of beary metal is too high, needs are discharged or for sludge system after being further processed
Slurry.
In a preferred embodiment of the present invention, methods described also includes：
Step 3) product liquid that obtained or add heavy metal stabilizer in Part II product liquid and carry out a huge sum of money
Category is fixed to obtain heavy metal solid product and can discharge and uses water；
A huge sum of money is caused by adding heavy metal stabilizer in the product liquid or Part II product liquid for being obtained
Category ion is precipitated in solid form, and so as to realize the separation of heavy metal contaminants, acquisition can be discharged with water and a huge sum of money
Category solid product.
Or, in step 1) middle addition heavy metal stabilizer, so, there is a huge sum of money during whole sub-critical treatment
Category is fixed, so as in step 2) product after process is separated after the product liquid that obtained can as discharge and use water, Gu
Heavy metal solid product is included in body product.Meanwhile, the heavy metal contaminants in the sludge are with heavy metal stabilizer in Asia
Carry out heavy metal under critical condition to stablize, the heavy metal ion under high-temperature and high-pressure conditions in heavy metal stabilizer with sludge is anti-
Chemical balance during answering to the direction for producing stable heavy metal solid product is moved, relative in step 3) obtained
Add for heavy metal stabilizer in product liquid or Part II product liquid, total reaction process can be accelerated, shorten
Reaction time.
, wherein it is desired to explanation, is discharged with water for sludge system by what addition heavy metal stabilizer was obtained
During slurry, due to wherein containing either with or without the heavy metal stabilizer for reacting, heavy metal stabilizer therein can be carried out
Recycling.
It should be noted that to step 3) add weight in the product liquid or Part II product liquid for being obtained
Metallic stabilizer carries out the temperature and pressure of system when heavy metal is fixed and does not limit, it is preferred that in step 3) middle addition weight
The temperature that system is kept during metallic stabilizer is 30-350 DEG C, and pressure is 1.0-15MPa.With this understanding, in heavy metal
The chemical balance in heavy metal ion course of reaction in stabilizer and sludge is to the side for producing stable heavy metal solid product
To movement, the reaction time of heavy metal fixation can be reduced, shorten reaction time.
Wherein, to described in step 1) in addition heavy metal stabilizer concrete operations do not limit, the embodiment of the present invention
In, it is described in step 1) in addition heavy metal stabilizer include：Add heavy metal stabilizer in pending sludge；Or,
Add heavy metal stabilizer to during sub-critical treatment.
Wherein, the heavy metal stabilizer is not limited, as long as so that the heavy metal ion in sludge and the huge sum of money
Can realize separating in the form of heavy metal solid product after category stabilizer reaction.Preferably, the heavy metal
Stabilizer includes alkali metal hydroxide, alkaline earth metal hydroxide or sulfate.
Wherein, the form of the heavy metal stabilizer is not limited, the heavy metal stabilizer can be solid, also may be used
Think the aqueous solution, when heavy metal stabilizer be the aqueous solution form when, be added into the step 1) in can increase the heavy metal
Stabilizer and the contact area of the sludge, improve reaction rate, meanwhile, when heavy metal stabilizer is added into for aqueous solution form
The step 1) in pending sludge in when, sludge can be diluted, so that tough sludge can lead to
The form for crossing pumping is transported, so as to be conducive to subsequent processes.
The addition of the heavy metal stabilizer is not also limited, it is preferred that body after the addition heavy metal stabilizer
The concentration of heavy metal stabilizer is 30mg/L～100g/L in system.
The addition manner of the heavy metal stabilizer is not also limited, it is preferred that the addition of the heavy metal stabilizer
Mode can be interval addition or continuous addition.
Hereinafter, the present invention will be described for embodiment of the present invention setting embodiment.These embodiments are merely to specifically
It is bright the present invention and propose example, those skilled in the art are not it is appreciated that the scope of the present invention is limited by these embodiments
System.
, wherein it is desired to explanation, illustrates in the examples below so that pending sludge is as industrial sludge as an example,
Content of beary metal is generally higher in industrial sludge, therefore, discharged or for sludge slurrying in the product liquid for being obtained
Before, it is required for addition heavy metal stabilizer to carry out heavy metal to fix.
Embodiment 1
The embodiment of the present invention 1 provides a kind of sludge degradation processing method, shown in Figure 2：
Step 1) pending sludge is mixed with oxygen rich gas, processed under undercritical conditions；
Specially：Sludge is prepared into the sludge slurry that can be pumped through pretreatment, and in sludge slurry oxygen rich gas is added,
Wherein, the quality of oxygen is the 3% of sludge theoretical oxygen demand in the addition of oxygen rich gas, under undercritical conditions (22MPa,
373 DEG C) process.
Step 2) product after process is separated, obtain imflammable gas product, product liquid and solid product；
Specially：The steps of Jing mono- separate obtain imflammable gas product, solid product (aqueous 20%) and product liquid, its
In, the imflammable gas product can directly be burnt, and content of beary metal is higher in the product liquid, it is impossible to for straight
Run in and put.
Step 3) metabisulfite solution is added in the product liquid, separating acquisition can discharge with water and heavy metal solid product
Thing.
Specifically, in the process, system is 1.0MPa, and temperature is 30 DEG C, and the concentration of sulfate radical is 30mg/L in system,
Separating acquisition can discharge with water and heavy metal solid product.
Discharging for being obtained also can be discharged directly with water is recyclable for sludge slurrying, the heavy metals immobilization
Product and step 2) the solid product unification that obtained carries out burning disposal after collecting.
Embodiment 2
The embodiment of the present invention 2 provides a kind of sludge degradation processing method, shown in Figure 3：
Step 1) add heavy metal stabilizer in pending sludge, and mix with oxygen rich gas, in undercritical conditions
Under processed；
Specially：Add calcium hydroxide solid in pending sludge, by stirring by solid dissolving, be prepared into sludge
Slurry, the concentration of calcium hydroxide is 100g/L in sludge slurry, will be mixed with oxygen rich gas after the pressurized preheating of the sludge slurry
Close, wherein, the quality of oxygen is the 30% of sludge raw material COD in the addition of oxygen rich gas, under undercritical conditions
(9MPa, 280 DEG C) is processed.
Step 2) product after process is separated, obtain imflammable gas product, product liquid and solid product；
Specially：The steps of Jing mono- separate obtain imflammable gas product, solid product (aqueous 20%) and product liquid, its
In, the imflammable gas product is used for boiler combustion, and solid product can concentrate landfill or fermentation process, product liquid can use
In recovery slurrying or directly discharge.
Embodiment 3
The embodiment of the present invention 3 provides a kind of sludge degradation processing method, shown in Figure 4：
Step 1) pending sludge and water are prepared by mixing into into sludge slurry, sludge slurry and oxygen rich gas are blended in
Process under undercritical conditions；
Detailed process is essentially identical with the embodiment 1, except for the difference that：Undercritical conditions is pressure 3MPa, and temperature is 200
℃。
Step 2) sludge after process is separated, obtain imflammable gas product, solid product and product liquid；
Specially：
Step 21) sludge after process is carried out to be depressured flash distillation acquisition flash-off steam and flash distillation substrate, flash-off steam cooling
Part I product liquid (clean water) and Part I imflammable gas are obtained afterwards；Wherein, clean water can be discharged directly or separately
Used for other purposes or for sludge slurrying, Part I imflammable gas product can be used as fuel combustion.
Step 22) flash distillation substrate is obtained Jing after secondary separation Part II product liquid, solid product and second
Divide imflammable gas product；Wherein, Part II product liquid is the liquid containing heavy metal ion, and solid product can be filled out directly
Bury or burning disposal, Part II imflammable gas product can be used as fuel combustion.
Step 3) in step 22) add heavy metal stabilizer in the Part II product liquid that obtained, acquisition can be discharged
With water and heavy metal solid product.
Specially：In step 22) add sodium hydroxide solution in the Part II product liquid that obtained, in the process
Holding system pressure is 15MPa, and temperature is 350 DEG C so that the concentration of NaOH is 50mg/L in system.Wherein, obtained
Discharge and can directly be discharged with water or for sludge slurrying, the heavy metal solid product for being obtained can burn or landfill at
Reason.
Embodiment 4
The embodiment of the present invention 4 provides a kind of sludge degradation processing method, shown in Figure 5：
Step 1) pending sludge is mixed with oxygen rich gas, heavy metal is processed and added under undercritical conditions to be stablized
Agent；
Specially：Pending sludge is mixed with oxygen rich gas, by being pumped by reactor, in undercritical conditions
Under reacted, wherein, undercritical conditions is identical with the embodiment 2, and is added to Adlerika so that system
The concentration of middle sulfate radical is 100mg/L.
Step 2) sludge after process is separated, obtain imflammable gas product, product liquid and solid product；
Specially：
Step 21) sludge after process is carried out to be depressured flash distillation acquisition flash-off steam and flash distillation substrate, flash-off steam cooling
Part I product liquid (clean water) and Part I imflammable gas product are obtained afterwards；Wherein, clean water can be discharged directly
Or it is otherwise utilized or for sludge slurrying, Part I imflammable gas product can be used as fuel combustion.
Step 22) flash distillation substrate is obtained Jing after secondary separation can discharge flammable with water, solid product and Part II
Property gaseous product.Wherein, can discharge can directly be discharged or be can be used for sludge slurrying with water, and solid product can be filled directly
Or burning disposal, Part II imflammable gas product can be used as fuel combustion.
In summary, by adding oxygen rich gas in sludge, and processed under undercritical conditions, can be by dirt
Mud is degraded to the less solid product of fuel gas product, product liquid and water content, and fuel gas product, product liquid
And solid product can be used for recycling or be easy to process discharge such that it is able to simplify processing on a large scale for sludge
Journey, meanwhile, by adding heavy metal stabilizer in obtained product liquid to separating in the embodiment of the present invention, or in reaction
Initial stage adds heavy metal stabilizer in system, additionally it is possible to reduce the content of beary metal in sludge, is made with reducing heavy metals emission
Into pollution, overcome the defect that sludge in prior art is difficult to convey and be not easy to extensive process.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (8)
1. a kind of sludge degradation processing method, it is characterised in that include：Step 1) pending sludge and oxygen rich gas are mixed
Close, processed under undercritical conditions；Step 2) product after process is separated, obtain imflammable gas product, liquid
Body product and solid product；
Methods described also includes：In step 1) middle addition heavy metal stabilizer；Or,
Step 3) addition heavy metal stabilizer carries out heavy metal fixation acquisition heavy metal solid product in the product liquid for being obtained
Thing and can discharge and use water；
Wherein, in step 3) in keep during addition heavy metal stabilizer the temperature of system to be 30-350 DEG C, pressure is
1.0-15MPa。
2. method according to claim 1, it is characterised in that the step 2) in separation bag is carried out to the product after process
Include：
Step 21) product after process is obtained into flash-off steam and flash distillation substrate by step-down flash separation, the flash distillation is steamed
Vapour cooling obtains Part I imflammable gas product and Part I product liquid；
Step 22) flash distillation substrate Jing gas-solid-liquids are separated into acquisition Part II imflammable gas product, Part II product liquid
And solid product.
3. method according to claim 1, it is characterised in that described in step 1) in addition heavy metal stabilizer include：
Add heavy metal stabilizer in pending sludge；Or, heavy metal stabilizer is added during sub-critical treatment.
4. method according to claim 1, it is characterised in that the heavy metal stabilizer include alkali metal hydroxide,
Alkaline earth metal hydroxide or sulfate.
5. method according to claim 1, it is characterised in that the pressure of system is 3-22MPa under the undercritical conditions,
Temperature is 200-373 DEG C.
6. method according to claim 1, it is characterised in that the quality of oxygen is dirt in the addition of the oxygen rich gas
The 3-30% of mud degraded theoretical oxygen demand.
7. method according to claim 1, it is characterised in that heavy metal is steady in system after the addition heavy metal stabilizer
The concentration for determining agent is 30mg/L～100g/L.
8. method according to claim 1, it is characterised in that the addition manner of the heavy metal stabilizer adds for interval
Or continuous addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475497.7A CN105036501B (en) | 2015-08-05 | 2015-08-05 | Sludge degradation treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475497.7A CN105036501B (en) | 2015-08-05 | 2015-08-05 | Sludge degradation treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105036501A CN105036501A (en) | 2015-11-11 |
| CN105036501B true CN105036501B (en) | 2017-05-03 |
Family
ID=54443551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510475497.7A Active CN105036501B (en) | 2015-08-05 | 2015-08-05 | Sludge degradation treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105036501B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5888389A (en) * | 1997-04-24 | 1999-03-30 | Hydroprocessing, L.L.C. | Apparatus for oxidizing undigested wastewater sludges |
| US7682514B2 (en) * | 2007-05-16 | 2010-03-23 | Parsons Corporation | Supercritical water oxidation apparatus and process |
| CN100480201C (en) * | 2007-06-12 | 2009-04-22 | 大庆石油学院 | Technological process of treating oil-containing sludge with supercritical water oxidation |
| CN102557366B (en) * | 2012-01-09 | 2015-06-10 | 新奥科技发展有限公司 | Sludge treatment method and application thereof |
| CN104326637B (en) * | 2014-10-21 | 2016-08-17 | 新奥科技发展有限公司 | A kind of method for sludge treatment |
-
2015
- 2015-08-05 CN CN201510475497.7A patent/CN105036501B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105036501A (en) | 2015-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102992559B (en) | Method for comprehensively utilizing anaerobic digestion and carbonization of municipal sludge | |
| CN103722002B (en) | Based on the consumer waste comprehensively processing method of anaerobic digestion and hydrothermal carbonization | |
| CN102950137B (en) | Kitchen waste collaborative processing method | |
| CN102234170B (en) | Method and device for rapidly reducing moisture content of sludge | |
| KR102056559B1 (en) | Recovery method of phosphate | |
| Kader et al. | Production of biogas by anaerobic digestion of food waste and process simulation | |
| CN103614168B (en) | The processing method of liquid fuel is prepared in a kind of mud liquefaction | |
| CN108892611A (en) | A kind of production technology of sodium acetate solution | |
| SE540135C2 (en) | Method for hydrothermal carbonization of sludge in chemical pulp mills | |
| KR20200095234A (en) | Apparatus and method for recovery high efficiency energy to low water content biomass | |
| CN106673403A (en) | Treatment method of oil sludge | |
| CN110482587A (en) | A kind of device and recovery method of gasification ash water classification recycling precipitated calcium carbonate | |
| CN106731582A (en) | A kind of method of integrated treatment sulfide hydrogen acid waste gas and solid waste carnallite | |
| CN105036501B (en) | Sludge degradation treatment method | |
| Laskri et al. | Anaerobic digestion of waste organic matter and biogas production | |
| CN102978333A (en) | System and method for converter gas recovery | |
| CN210313974U (en) | Sludge reduction treatment system | |
| CN208995486U (en) | The system of anaerobic digestion of kitchen wastes co-producing hydrogen methane | |
| US11999921B2 (en) | Hydrothermal carbonization of sludge including recycling of a wet-oxidized fraction | |
| CN101134625A (en) | Method for wastewater comprehensive utilization of saponin production | |
| CN114618870B (en) | Multi-source waste resource utilization method | |
| CN1789809A (en) | Internal combustion circulating energy conversion system for supercritical oxidation | |
| CN108178470B (en) | Method for one-step recovery of phosphorus from algae mud by supercritical water gasification | |
| CN101982207A (en) | Method for treating wastes generated in the synthetic processes of methylamine and dimethyl formamide | |
| CN105858995B (en) | A kind of ammonium magnesium phosphate microwave radiation Decomposition Cycle ammonia-removal method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180104 Address after: 065001 Hebei city of Langfang province C New Austrian Science Park Economic Development Zone Xinyuan host city Patentee after: Environmental Protection Technology Co., Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang new Austrian Science and Technology Park in the Southern District B building room 522 Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180411 Address after: 050000 No. 6 chemical Middle Road, Shijiazhuang recycling chemical industrial park, Hebei Patentee after: Shijiazhuang New Austrian Environmental Protection Technology Co., Ltd. Address before: 065001 Hebei city of Langfang province C New Austrian Science Park Economic Development Zone Xinyuan host city Patentee before: Environmental Protection Technology Co., Ltd. |