CN108249732B - A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology - Google Patents
A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology Download PDFInfo
- Publication number
- CN108249732B CN108249732B CN201810145369.XA CN201810145369A CN108249732B CN 108249732 B CN108249732 B CN 108249732B CN 201810145369 A CN201810145369 A CN 201810145369A CN 108249732 B CN108249732 B CN 108249732B
- Authority
- CN
- China
- Prior art keywords
- sludge
- filter
- paper mill
- dehydration
- desiccation
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention discloses a kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology, existence in conjunction with water in sludge etc. is many-sided to be considered, select the flocculant component with specific cooperation and enhancement effect for being suitable for the removing of all kinds of water in sludge, selected ingredient is cooperated, is mutually cooperateed with, and it is low in cost, the removing of water in sludge can be greatly promoted, paper mill sludge is made full use of, realize the maximization of benefit, it is novel in design, it is a kind of good innovation scheme, is very promising for marketing..
Description
Technical field
The present invention relates to technical field of sludge treatment, more particularly to a kind of conditioning of paper mill sludge, dehydration, desiccation, burning
Treatment process.
Background technique
The sludge quantity of pulping wastewater treatment is big, usually the 5~10 of same size municipal sewage plant times.According to investigations,
More than 500 ten thousand tons of sludge quantity of annual China's enterprises in pulp and paper industry generation.The sludge of papermaking wastewater treatment system can be divided into primary dirt
Totally four kinds of mud, secondary sludge, three-level sludge and mixing sludge, preliminary sludge is made of screening reject and high amount of inorganic filler, can be formed
Harder mud cake is easily dehydrated, and mass dryness fraction is higher after dehydration, and secondary sludge is frequently referred to activated sludge, generally uses biochemistry
Method removal be in colloidal state and dissolved state organic pollutant, be mainly made of protein, it is more difficult to be dehydrated, three-level sludge
The sludge that flocculation sedimentation generates predominantly during Sewage advanced treatment, is difficult to be dehydrated, and the sludge after the above sludge mixing claims
For mixing sludge, mixing sludge moisture content can be up to 96-99.8%.
Particle in paper mill sludge is mainly colloidal solid, has complicated structure, very strong with the binding force of water.By moisture
The form present in sludge can be divided into Interstitial Water, capillary water, surface adsorption water and internal junction Heshui.Interstitial Water is mud granule
The free moisture surrounded, does not bind directly with solid, can be easily separated, and can be separated merely with gravity, hair
Carefully combining water is to act on the moisture formed in solid particle contact surface due to capillary force, accounts for about the 15- of total moisture content
25%, there is stronger binding force, can remove about 10% capillary combination water, surface adsorption water by higher mechanicals efforts
It is the moisture adsorbed under surface tension effects, accounts for about the 2% of total moisture content.Colloidal solid all has the electricity of same nature
Lotus, it is mutually exclusive, interfere the aggregation of particle, grow up, and keep stable state, can only by be added flocculant in and charge, make
Particle is in unstable state, sticks together, finally settles down, internal junction Heshui refers to include microorganism in paper mill sludge
The intracorporal moisture of cell, can not mechanically remove.
Paper mill sludge, which usually requires addition chemical reagent progress chemical conditioning, in the prior art can be only achieved higher dehydration
Efficiency, but studies have shown that addition conditioner can only improve dewatering speed, increase there is no too many sludge dewatering amount, single wadding
Solidifying agent can only be for the water generation effect of types one or two kinds of in paper mill sludge, and reality is limited on dehydrating amount influence, to water
Removing amount does not increase significantly, and is unfavorable for the processing of postorder desiccation, burning, and damage ratio is more serious, there is deficiency,
It is not able to satisfy the growth requirement of paper industry Treatment of Sludge.
In conclusion in view of the drawbacks of the prior art, therefore there is an urgent need to find the de- of new process reform paper mill sludge
Water degree, so as to solve the deficiencies in the prior art.
Summary of the invention
For the deficiency existed in the prior art, the processing of paper mill sludge is influenced, the present invention proposes a kind of paper mill sludge
Conditioning, dehydration, desiccation, incineration treatment technology, it is novel in design, sludge reduction, innoxious, recycling are realized, by paper mill sludge
It makes full use of, realizes the maximization of benefit, solved the defect of the prior art.
To achieve the goals above, technical scheme is as follows:
A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology, comprise the following steps that
(1) Sludge from primary sedimentation tank, aerobic sludge, advanced treating chemical sludge are lifted into mixing pit, it is equal through mechanical stirring
Enter rear flocculation basin after even；
The mixed proportion of Sludge from primary sedimentation tank, aerobic sludge, advanced treating chemical sludge in sludge mixing pit is 10:2:1,
In the case where identical dosage, the flocculation of sludge and dehydrating effect are best；
(2) sludge of concentration is delivered to sludge mixing pit, sludge by the sludge pump that sludge concentration tank is installed by exit
The entrance of pump adds the flocculant for promoting sludge flocculation effect, and the exit of sludge pump, which adds, makes sludge and flocculant in pipeline
The cationic flocculation aid PAM that can be quickly mixed when middle flowing, in which: flocculant uses aluminium polychloride；
(3) it is used by the collocation of flocculant and cationic flocculation aid, mixes sludge quickly in the duct with flocculant
Flocculation basin is entered after conjunction, the sludge in flocculation basin is spare after mixing by homogenizer；
(4) sludge in stirring pool squeezes into filter press by the pump housing, filter press into mud maximum pressure be 0.8Mpa, when into
When mud pressure is 0.650MPa, stop into mud, the diaphragm in filter press carries out filters pressing, and time of filter pressing is 8~15min, and pressure is
0.8~1.2Mpa, sludge mass dryness fraction are 45%--55%；
(5) sludge is placed a couple of days again, and moisture content can also further decrease, and the Free water in sludge occurs under the effect of gravity
Infiltration, natural evaporation, decline the moisture content of sludge constantly, meanwhile, with the growth of standing time, the pH value of mud cake can also delay
Slow decline, is then delivered to garbage burning factory, power plant, cement plant burning, and the sludge after burning may be used as cement plant clinker or brick
Factory's brickmaking realizes rationally and efficiently using for resource.
Further, the cationic PAM flocculation aid molecular weight is 800-1200 ten thousand.
Further, the filter press uses plate and frame filter press.
Further, to go the deposition being deposited in filter plate runner in filter press, using giant or two kinds of manual cleaning
Mode occurs the filter cloth of fouling in scale removal process, and the filter cloth of fouling uses lemon acid soak, and according to scaling degree, the time also has
Difference carries out two-sided cleaning by lemon acid soak 30 minutes or so, then with giant, restores the strainability of filter cloth.
Further, filter press is to reduce the solid matter to suspend in water to enter filter plate blocking, filter cloth material by filter cloth
For terylene, filter cloth air permeability is 500L/ points.
The beneficial effects of the present invention are: this product simple process, considers in conjunction with the various aspects such as existence of water in sludge,
Select the flocculant component with specific cooperation and enhancement effect for being suitable for the removing of all kinds of water in sludge, selected ingredient
It cooperates, mutually collaboration, and low in cost, the removing of water in sludge can be greatly promoted, paper mill sludge is made full use of,
Realize the maximization of benefit, it is novel in design, it is a kind of good innovation scheme, is very promising for marketing..
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is process flow chart of the invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1, a kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology are comprised the following steps that
(1) Sludge from primary sedimentation tank, aerobic sludge, advanced treating chemical sludge are lifted into mixing pit, it is equal through mechanical stirring
Enter rear flocculation basin after even；；
Sludge from primary sedimentation tank is the sludge that waste water settles out in primary sedimentation pond；
Aerobic particle mud is the granulated activated sludge formed by microorganism self-cohesion action；
Depth chemical sludge is sludge caused by processing waste water；
The mixed proportion of Sludge from primary sedimentation tank, aerobic sludge, depth chemical sludge in sludge concentration tank is 10:2:1, in phase
In the case where dosage, the flocculation of sludge and dehydrating effect are best；
(2) sludge of concentration is delivered to sludge mixing pit, sludge by the sludge pump that sludge concentration tank is installed by exit
The entrance of pump adds the flocculant for promoting sludge flocculation effect, and the exit of sludge pump, which adds, makes sludge and flocculant in pipeline
The cationic flocculation aid PAM that can be quickly mixed when middle flowing, in which: flocculant uses aluminium polychloride, cation
Type flocculation aid PAM molecular weight is 800-1200 ten thousand.
(3) it is used by the collocation of flocculant and cationic flocculation aid, mixes sludge quickly in the duct with flocculant
Flocculation basin is entered after conjunction, the sludge in flocculation basin is spare after mixing by homogenizer；
(4) sludge in stirring pool squeezes into filter press by the pump housing, filter press into mud maximum pressure be 0.8Mpa, when into
When mud pressure is 0.650MPa, stop into mud, the diaphragm in filter press carries out filters pressing, and time of filter pressing is 8~15min, and pressure is
0.8~1.2Mpa, sludge mass dryness fraction are 45%--55%；
(5) sludge is placed a couple of days again, and moisture content can also further decrease, and the Free water in sludge occurs under the effect of gravity
Infiltration, natural evaporation, decline the moisture content of sludge constantly, meanwhile, with the growth of standing time, the pH value of mud cake can also delay
Slow decline, is then delivered to garbage burning factory, power plant, cement plant burning, and the sludge after burning may be used as cement plant clinker or brick
Factory's brickmaking realizes rationally and efficiently using for resource.
Filter press uses autoclave diaphragm filter press.The hydraulic press mechanism of filter press is by hydraulic station, oil cylinder, piston, piston
Bar, the structure composition of hydraulic station have motor, oil pump, overflow valve, reversal valve, pressure gauge, oil circuit, fuel tank, hydraulic compression machinery pressure
When tight, the component cavity being made of hydraulic station for high pressure oil, oil cylinder and piston is interior to be full of oil liquid, when pressure is greater than pressure plate operation
When frictional resistance, pressure plate slowly compresses filter plate, and when pressing force reaches the pressure value of overflow valve setting, filter plate is compacted,
Overflow valve starts off-load, at this moment, cuts off motor power, and compression movement is completed, and when retracting, reversal valve commutation, pressure oil enters oil
The rod chamber of cylinder, when oil pressure can overcome the frictional resistance of pressure plate, pressure plate starts to retract.It is to go to be deposited on filter in filter press
There is the filter cloth of fouling in scale removal process, using lemon using giant or manual cleaning two ways in deposition in plate runner
Lemon acid soak, according to scaling degree, also there is a difference in the time, and lemon acid soak 30 minutes or so, then carried out with giant two-sided
Cleaning, restores the strainability of filter cloth.Filter press is to reduce the solid matter to suspend in water to enter filter plate blocking by filter cloth,
Filter cloth material is terylene, and filter cloth air permeability is 500L/ points.
Operating procedure and parameter:
1, the type selecting of flocculant has carried out type selecting to flocculant PAM, using molecular weight in 800- according to sludge quality
12000000 cationic PAM flocculation aid.
2, by constantly groping and testing, Sludge from primary sedimentation tank, the pond SBR biochemical sludge, depth chemical sludge are pressed into 10:2:1
Ratio mixed, in the case where identical dosage, the flocculation of sludge and dehydrating effect are best.
3, using the inlet and outlet for PAC and PAM toss area being arranged in sludge pump, allow sludge and flocculant in the duct
It when flowing, can quickly be mixed, into flocculation basin, enter back into plate and frame filter press.
4, to remove the deposition being deposited in filter plate runner, giant and manual cleaning two ways are carried out, for going out
The filter cloth of existing fouling, using being used again after lemon acid soak (according to scaling degree, also there is difference in the time, generally at 30 minutes or so)
Giant carries out two-sided cleaning, restores the strainability of filter cloth.
It 5, is that reduce SS to enter filter plate to block up us to select filter cloth material by filter cloth be terylene, air permeability is that 500L/ divides.
6, by constantly improving and optimizing, dewatered sludge mass dryness fraction is 45%--55%, can transport directly to hair
Power plant carries out burning disposal, and the sludge after burning may be used as cement plant clinker or brick field brickmaking, it may be said that be truly realized money
Source rationally and efficiently uses.
The present invention is effective are as follows: simple process is selected and is suitable in conjunction with many-sided consideration such as existence of water in sludge
The flocculant component with specific cooperation and enhancement effect of the removing of all kinds of water in sludge, selected ingredient mutual cooperation,
Mutually collaboration, and it is low in cost, it can be greatly promoted the removing of water in sludge, paper mill sludge is made full use of, realize benefit
Maximization, it is novel in design, be a kind of good innovation scheme, be very promising for marketing..
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, the present invention also has each without departing from the spirit and scope of the present invention
Kind changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by
Appended claims and its equivalent define.
Claims (4)
1. a kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology, it is characterised in that: comprise the following steps that
(1) Sludge from primary sedimentation tank, aerobic sludge, the promotion of advanced treating chemical sludge are introduced into sludge concentration tank and then enter back into dirt
Mud mixing pit enters stirring pool after mechanical stirring is uniform；
The mixed proportion of Sludge from primary sedimentation tank, aerobic sludge, advanced treating chemical sludge in sludge mixing pit is 10:2:1, in phase
In the case where dosage, the flocculation of sludge and dehydrating effect are best；
(2) sludge of concentration is delivered to sludge mixing pit by the sludge pump that sludge concentration tank is installed by exit, sludge pump
Entrance adds the flocculant for promoting sludge flocculation effect, and the exit of sludge pump, which adds, flows sludge in the duct with flocculant
The cationic flocculation aid PAM that can be quickly mixed when dynamic, in which: flocculant uses aluminium polychloride；
(3) it is used by the collocation of flocculant and cationic flocculation aid, after mixing sludge quickly in the duct with flocculant
Stirring pool is entered, the sludge in stirring pool is spare after mixing by homogenizer；
(4) sludge in stirring pool squeezes into filter press by the pump housing, filter press into mud maximum pressure be 0.8Mpa, when into mud
When pressure is 0.650MPa, stop into mud, the diaphragm in filter press carries out filters pressing, time of filter pressing 8-15min, pressure 0.8-
1.2Mpa, sludge mass dryness fraction are 45%-55%；
(5) sludge is placed a couple of days again, and moisture content can also further decrease, and the Free water in sludge is seeped under the effect of gravity
Thoroughly, natural evaporation declines the moisture content of sludge constantly, meanwhile, with the growth of standing time, the pH value of mud cake also be will be slow
Decline, is then delivered to garbage burning factory, power plant, cement plant burning, and the sludge after burning may be used as cement plant clinker or brick field
Brickmaking realizes rationally and efficiently using for resource；
It is that the deposition being deposited in filter plate runner is gone to clear up using giant and manual cleaning two ways in filter press
Occurs the filter cloth of fouling in journey, the filter cloth of fouling uses lemon acid soak, and according to scaling degree, also there is difference in the time, passes through lemon
Lemon acid soak 30 minutes, then two-sided cleaning is carried out with giant, restore the strainability of filter cloth.
2. a kind of paper mill sludge conditioning according to claim 1, dehydration, desiccation, incineration treatment technology, it is characterised in that:
The cationic PAM flocculation aid molecular weight is 800-1200 ten thousand.
3. a kind of paper mill sludge conditioning according to claim 1, dehydration, desiccation, incineration treatment technology, it is characterised in that:
The filter press uses plate and frame filter press.
4. a kind of paper mill sludge conditioning according to claim 1, dehydration, desiccation, incineration treatment technology, it is characterised in that:
Filter press is to reduce the solid matter to suspend in water to enter filter plate blocking by filter cloth, and filter cloth material is terylene, and filter cloth is ventilative
Degree is 500L/ points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145369.XA CN108249732B (en) | 2018-02-12 | 2018-02-12 | A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145369.XA CN108249732B (en) | 2018-02-12 | 2018-02-12 | A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108249732A CN108249732A (en) | 2018-07-06 |
| CN108249732B true CN108249732B (en) | 2019-01-22 |
Family
ID=62744426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810145369.XA Active CN108249732B (en) | 2018-02-12 | 2018-02-12 | A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108249732B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255848B (en) * | 2019-07-08 | 2022-03-25 | 广昌达新材料技术服务（深圳）股份有限公司 | Sludge dewatering system |
| CN114225892B (en) * | 2021-12-25 | 2024-01-23 | 四川北方红光特种化工有限公司 | Treatment process for recycling stainless steel saddle ring packing |
| CN114804538A (en) * | 2022-05-19 | 2022-07-29 | 山东合创新材料有限公司 | Sludge recycling process of primary sedimentation tank for manufacturing bobbin paper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996021624A1 (en) * | 1995-01-13 | 1996-07-18 | Beloit Technologies, Inc. | Absorptive sludge dewatering process for papermaking waste |
| JP2010149033A (en) * | 2008-12-25 | 2010-07-08 | Hymo Corp | Method for treating papermaking sludge |
| CN101973687A (en) * | 2010-10-29 | 2011-02-16 | 广东理文造纸有限公司 | Sludge treatment method |
| CN104386899A (en) * | 2014-03-13 | 2015-03-04 | 南京道科环境科技有限公司 | Efficient automatic control method for sludge deep dehydration |
| CN104909538A (en) * | 2015-06-30 | 2015-09-16 | 华南农业大学 | Method for improving dehydration performance of anaerobic digestion substrate of papermaking sludge by virtue of combination of two flocculants |
| CN106082584A (en) * | 2016-08-10 | 2016-11-09 | 山东华泰纸业股份有限公司 | A kind of proportioning process being applicable to pulping wastewater treatment sludge drying |
-
2018
- 2018-02-12 CN CN201810145369.XA patent/CN108249732B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996021624A1 (en) * | 1995-01-13 | 1996-07-18 | Beloit Technologies, Inc. | Absorptive sludge dewatering process for papermaking waste |
| JP2010149033A (en) * | 2008-12-25 | 2010-07-08 | Hymo Corp | Method for treating papermaking sludge |
| CN101973687A (en) * | 2010-10-29 | 2011-02-16 | 广东理文造纸有限公司 | Sludge treatment method |
| CN104386899A (en) * | 2014-03-13 | 2015-03-04 | 南京道科环境科技有限公司 | Efficient automatic control method for sludge deep dehydration |
| CN104909538A (en) * | 2015-06-30 | 2015-09-16 | 华南农业大学 | Method for improving dehydration performance of anaerobic digestion substrate of papermaking sludge by virtue of combination of two flocculants |
| CN106082584A (en) * | 2016-08-10 | 2016-11-09 | 山东华泰纸业股份有限公司 | A kind of proportioning process being applicable to pulping wastewater treatment sludge drying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108249732A (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Luo et al. | Effects of sawdust-CPAM on textile dyeing sludge dewaterability and filter cake properties | |
| Zhu et al. | Conditioning of sewage sludge via combined ultrasonication-flocculation-skeleton building to improve sludge dewaterability | |
| AU2008342466B2 (en) | A sludge concentrated dehydration method | |
| RU2195436C2 (en) | Method of dehydration of coagulated sediment of sewage | |
| CN108249732B (en) | A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology | |
| CN100519452C (en) | High-efficiency composite filter aid for sludge dehydration and application method thereof | |
| CN204111556U (en) | A kind of dewatering system for municipal sludge deep dehydration | |
| CN106517720B (en) | A kind of sewage sludge multi-stage coupling plate and frame filter press dewatering device based on multi-point mud feeding and using method thereof | |
| CN111499138A (en) | Recycling treatment method for river sludge | |
| CN104788002B (en) | A kind of sludge pretreatment equipment | |
| CN104010973A (en) | Microwave processing of wastewater sludge | |
| CN209242891U (en) | A sludge dewatering treatment system | |
| CN104724898B (en) | A kind of sludge pretreatment technique | |
| CN106242242A (en) | A kind of manganese salt sludge conditioner and sludge dehydration method | |
| CN101096825A (en) | Subsection harnessing devil liquor zero discharge and comprehensive utilization paper stuff cleaning manufacturing technique method | |
| CN105776785A (en) | Diluting, conditioning and curing treatment method for sludge subjected to non-standardized treatment | |
| CN109179955A (en) | A kind of sludge dewatering treatment system and its processing method | |
| CN110156300A (en) | A kind of urban river sediment dehydrating and curing and resource utilization method | |
| CN107285604A (en) | A kind of dense mud consolidated depth dewatering of selective oxidation | |
| CN112661431A (en) | Method for preparing baking-free brick after washing and desalting fly ash | |
| CN101775750A (en) | A clear pulp production process for realizing complete comprehensive utilization and removing three wastes | |
| CN101698563B (en) | Sludge drying treatment method | |
| CN101439899A (en) | Preparation of sludge particle for removing phosphor in polluted water and product produced thereby | |
| WO2008128433A1 (en) | Integrated facility used for filter pressing, smashing and transporting wet mud | |
| Jaafarzadeh et al. | Evaluation of bagasse pith as a skeleton builder for improvement of sludge dewatering. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180725 Address after: 215000 room 1401, 17 Riverside Garden, Suzhou Industrial Park, Jiangsu Applicant after: Zhang Peipei Address before: No. 3, industrious and thrift Road, Ma'anshan, Anhui Province Applicant before: Eagle International Holdings Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181204 Address after: 243000 No. 3 Qinjian Road, Ma'anshan City, Anhui Province Applicant after: Eagle International Holdings Ltd. Address before: 215000 room 1401, 17 Riverside Garden, Suzhou Industrial Park, Jiangsu Applicant before: Zhang Peipei |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |