CN104743756A - Method for recycling sludge with low energy consumption - Google Patents
Method for recycling sludge with low energy consumption Download PDFInfo
- Publication number
- CN104743756A CN104743756A CN201510099874.1A CN201510099874A CN104743756A CN 104743756 A CN104743756 A CN 104743756A CN 201510099874 A CN201510099874 A CN 201510099874A CN 104743756 A CN104743756 A CN 104743756A
- Authority
- CN
- China
- Prior art keywords
- sludge
- sewage
- resource utilization
- power consumption
- mud
- 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.)
- Pending
Links
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention provides a method for recycling sludge with low energy consumption. The method comprises the following steps: 1) putting a sludge solution with moisture content of 85%-97% into a cell inactivating device to perform cell inactivation to remove extracellular polymeric substances; 2) performing zooglea crushing on the cell-inactivated sludge solution; 3) performing sand-washing separation on the zooglea-crushed sludge solution to obtain organic and inorganic sludge solutions; 4) dehydrating and drying the organic sludge solution obtained by performing sand-washing separation to prepare biomass fuels; 5) dehydrating inorganic sludge solution obtained by performing sand-washing separation to prepare building materials; 6) collecting sewage generated in steps 4) and 5), processing and discharging the sewage after reaching standards. According to the method disclosed by the invention, cell inactivation is firstly performed on the sludge solution, and then the sludge solution is separated into organic and inorganic sludge solutions, and prepared into the building materials and the biomass fuels respectively, and the sewage is discharged after reaching the standards through biochemical treatment, so that the reduction, harmless disposal, recycling and stabilization of the sludge are realized.
Description
Technical field
The invention belongs to technical field of sludge treatment, especially relate to a kind of resource utilization low-power consumption sludge treatment process.
Background technology
Along with the fast development of China's economy and the continuous propelling of Development of China's Urbanization, municipal sewage treatment total amount improves constantly, and the surplus sludge volume that sewage work produces also constantly increases.The heterogeneous body of the complexity that mud forms primarily of organic relic, microorganism, inorganic particle, colloid etc., its main characteristic is that water ratio is high, and organic content is high, and easily corruption is smelly, and particle is comparatively thin, jelly liquid.Due to the zoogleic existence that mud cell is formed, be difficult to moisture percentage in sewage sludge to be reduced to less than 70% by mechanical dehydration; Simultaneously because zoogleic polymerization is also difficult to inorganic particle and separating organic matters, if in fact the organic particle in mud separated completely and carry out thorough mummification, its calorific value can reach more than 3500kcal/kg, be good biomass fuel, isolated particles of inorganic material also can be made building materials and use.
The mud of prior art has: 1, sludge fermentation composting, exists and takes up an area large, that fertilizer outlet is limited problem; 2, deeply dehydrating sludge landfill, in a disguised form reduces the water ratio of mud, does not realize pollution substance decrement in mud; , there is the problems such as cost of investment is high, working cost is high in 3, sludge anhydration burning; 4, anaerobic sludge digestion decrement, there is the problem that scale of investment is large, the anaerobic digestion residence time is long, mud product natural pond rate is low in traditional anaerobic sludge digestion technique, although add broken wall pretreatment technology in recent years before anaerobic digestion process, mud all carries out entering anaerobic digestion again after broken wall through pre-treatment, to a certain degree improve the efficiency of anaerobic digestion, but processing cost is high, anaerobic digestion scale of investment is large, inorganic particle still exists the problems such as a subsequent products process difficult problem to anaerobic digestion facility serious wear, mud after anaerobic digestion in mud.Therefore above four kinds of sludge treatment modes all can not realize the minimizing of mud, innoxious, resource utilization and stabilization treatment well.
Summary of the invention
In view of this, the present invention is intended to propose a kind of resource utilization low-power consumption sludge treatment process, high to solve existing method for sludge treatment cost, can not realize the minimizing of mud, innoxious, resource utilization and stabilization treatment.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of resource utilization low-power consumption sludge treatment process, comprises the following steps:
1) sludge solutions of water ratio between 85%-97% is placed in cell inactivation device, cell inactivation process is carried out to it, remove extracellular polymeric, zoogloea is made thoroughly to lose polymerization, be convenient to the inorganics in subsequent technique separated sludge and organism, both reduce the residence time and the running cost of this link, and decreased the loss of follow-up organic sludge calorific value, thus improve resource utilization efficiency;
2) machinery or the mode of aeration agitation is adopted to step 1) sludge solutions after cell inactivation carries out zoogloea fragmentation, time length 15-30min, destroy colloidal structure and the capillary structure of mud, not only to be conducive in mud organic being separated with inanimate matter mud, to also improve the removal efficiency of follow-up sludge dewatering link for capillary water, Bound moisture in mud simultaneously;
3) by step 2) sludge solutions after zoogloea fragmentation carries out washed-out sand separation, obtains Organic Sludge solution and inanimate matter sludge solutions;
4) by step 3) washed-out sand is separated that the Organic Sludge solution obtained carries out dewatering, mummification and biomass fuel granulation, and make biomass fuel, its calorific value can reach more than 3500kcal/kg;
5) by step 3) washed-out sand is separated the inanimate matter sludge solutions obtained and is placed in dewatering unit and carries out processed, then add solidifying agent and make material of construction;
6) collect step 4) with 5) in the sewage that produces of processed, and biochemical treatment is carried out to it, until qualified discharge.
Further, described step 3) in washed-out sand separate mode for eluriating, eddy flow or sediment by aeration.
Further, step 6) sewage collected carries out biochemical treatment through waste disposal plant, processes qualified rear qualified discharge; Or add magnesium hydroxide or aqua calcis to it and stir, after mixing, solution pH value is 8.5-9.0, and the residence time is 20-30min, forms phosphorous throw out and realizes dephosphorization, then the sewage after dephosphorization is entered sewage work and process.
Further, to step 4) with 5) in the sewage that produces of processed first carry out anaerobic treatment, anaerobism equipment adopts UASB, IC, the anaerobic reactors of the forms such as ABR etc. are removed COD and are produced biogas, sewage disposal is carried out in the water outlet of anaerobic processing device, make the COD in sewage, BOD, ammonia nitrogen, phosphorus, all kinds of pollution substance such as SS is effectively removed, final qualified discharge after sewage disposal, desulfurization is carried out after collecting methane anaerobism obtained, the pre-treatment such as dehumidifying, then biogas heat energy utilization is carried out, the heat energy supply mud drying device that this device produces and anaerobic processing device use.
Further, adopt ultrasonic, microwave, ultraviolet, ray, acidolysis, alkaline hydrolysis, oxidating chemicals, ozone oxidation, Chlorine Dioxide Oxidation, catalytic oxidation or heat treatment mode to realize step 1) in cell inactivation.
Further, described step 1) in the temperature of cell inactivation heat treatment mode be 60-110 DEG C, time 15-45min.
Further, described step 1) in the oxidating chemicals addition of oxidating chemicals processing mode of cell inactivation be the dry mud of 1-6mg/g, reaction times 20-40min.
Further, described step 1) in cell inactivation Chlorine Dioxide Oxidation processing mode in the addition of dioxide peroxide be the dry mud of 5-15mg/g, reaction times 20-40min.
Further, described step 1) in cell inactivation catalytic oxidation processing mode in current density 30-100mA/cm
2, reaction times 20-40min.
Further, when in mud containing heavy metal, need in step 1) cell inactivation process time carry out the process of compound alkaline hydrolysis, reaction ph value is 9-11, and the time is 10-30min, makes heavy metal ion be combined with hydroxide radical to be formed and precipitate.
Relative to prior art, a kind of resource utilization low-power consumption sludge treatment process of the present invention, there is following advantage: the present invention is by whole for the somatic cells of sludge solutions deactivation, and sludge solutions is separated into organic sludge solution and inorganic sludge solutions, then process respectively, inorganic mud makes material of construction, and organic matter sludges makes biomass fuel, sewage is qualified discharge after biochemical treatment, thus the round Realization minimizing of mud, innoxious, resource utilization and stabilization treatment.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is method for sludge treatment schema in the sewage work described in the embodiment of the present invention;
Fig. 2 is method for sludge treatment schema after the mechanical dehydration described in the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiment 1:
As shown in Figure 1, a kind of resource utilization low-power consumption sludge treatment process, the method comprises the following steps:
1) sludge solutions of water ratio in concentration basin between 85%-97% is placed in cell inactivation device, oxidating chemicals processing mode is adopted to carry out cell inactivation, remove extracellular polymeric, the addition of oxidating chemicals process is the dry mud of 1-6mg/g, reaction times 20-40min;
2) churned mechanically mode is adopted to step 1) mud after cell inactivation carries out zoogloea fragmentation, and the time length is 15-30min, destroys colloidal structure and the capillary structure of mud, is conducive to organic being separated with inanimate matter sludge solutions in mud;
3) adopt the mode eluriated by step 2) in sludge solutions after zoogloea fragmentation carry out washed-out sand separation, obtain Organic Sludge solution and inanimate matter sludge solutions;
4) by step 3) washed-out sand is separated that the Organic Sludge solution obtained carries out dewatering, mummification and biomass fuel granulation, and make biomass fuel, its calorific value can reach more than 3500kcal/kg;
5) contain heavy metal when washed-out sand is separated in the inanimate matter mud obtained, then add heavy metal chelant, then carry out processed, when not containing heavy metal, then directly carry out processed, then add solidifying agent and make material of construction, such as make the coarse aggregate such as roadbed material or hollow brick;
6) collect step 4) with 5) in the sewage that produces of processed, and add magnesium hydroxide or aqua calcis to it and stir, pH value is 8.5-9.0, the residence time is 20-30min, form phosphorous throw out and realize dephosphorization, then the sewage after dephosphorization is entered sewage work and process.
Embodiment 2:
As shown in Figure 1, a kind of resource utilization low-power consumption sludge treatment process, the method comprises the following steps:
1) sludge solutions of water ratio in concentration basin between 85%-97% is placed in cell inactivation device, adopt Chlorine Dioxide Oxidation to cell inactivation process, remove extracellular polymeric, thus destroy zoogleic polymerization, be convenient to the inorganics in separated sludge and organism.The addition of Chlorine Dioxide Oxidation process is the dry mud of 5-15mg/g, reaction times 20-40min, when containing heavy metal in mud, then to carry out the process of compound alkaline hydrolysis simultaneously, ph value is between 9-11, and the reaction times is 10-30min, makes heavy metal ion be combined with hydroxide radical to be formed and precipitate;
2) mode of aeration agitation is adopted to step 1) mud after cell inactivation carries out zoogloea fragmentation, and the time length is 15-30min, destroys colloidal structure and the capillary structure of mud;
3) adopt cyclone mode to step 2) in sludge solutions after zoogloea fragmentation carry out washed-out sand separation, obtain Organic Sludge solution and inanimate matter sludge solutions;
4) by step 3) washed-out sand is separated the Organic Sludge solution that obtains and carries out biomass fuel granulation after dehydration, mummification, and making water ratio is 10-20%, and calorific value is the biomass fuel of more than 3500kcal/kg;
5) by step 3) washed-out sand is separated the inanimate matter sludge solutions obtained and carries out processed, and then add solidifying agent and make material of construction;
6) to step 4) with 5) in the sewage that produces of processed first carry out anaerobic treatment, anaerobism equipment adopts UASB, IC, the anaerobic reactor of the forms such as ABR all can realize the removal of COD and produce biogas, add magnesium hydroxide or sodium hydroxide solution to the sewage after anaerobic treatment and stir, after making mixing, solution pH value is 8.5-9.0, the residence time is 20-30min, form phosphorous throw out and realize dephosphorization, then the sewage after dephosphorization is entered sewage work to process, desulfurization is carried out after collecting methane anaerobism obtained, the pre-treatment such as dehumidifying, then biogas heat energy utilization is carried out, the heat energy supply mud drying device that this device produces and anaerobic processing device use
Embodiment 3:
As shown in Figure 2, a kind of resource utilization low-power consumption sludge treatment process, the method comprises the following steps:
1) modified by carrying out dilution in sewage work's dewatered sludge injection modified pond of mud, mechanical stirring is even, obtain the sludge solutions of water ratio between 85%-95%, dilute the sewage that modified water used produces from follow-up sludge dehydration device, and sludge solutions is placed in cell inactivation device, catalytic oxidation inactivation treatment is carried out to it, current density 30-100mA/cm
2, reaction times 20-40min;
2) churned mechanically mode is adopted to step 1) mud after cell inactivation carries out zoogloea fragmentation, time length 10-30min, destroys colloidal structure and the capillary structure of mud;
3) adopt the husky mode of aeration dirt to step 2) in sludge solutions after zoogloea fragmentation carry out washed-out sand separation, obtain Organic Sludge solution and inanimate matter sludge solutions;
4) by step 3) washed-out sand is separated that the Organic Sludge solution obtained carries out dewatering, mummification and biomass fuel granulation, and make biomass fuel, its calorific value can reach more than 3500kcal/kg;
5) contain heavy metal when washed-out sand is separated in the inanimate matter mud obtained, then add heavy metal chelant, then carry out dehydration landfill disposal, when not containing heavy metal, then directly carry out processed, then add solidifying agent and make material of construction, such as, make the coarse aggregate such as roadbed material or hollow brick;
6) collect step 4) with 5) in the sewage that produces of processed, process through biochemical sewage treatment device, make its qualified discharge.
Embodiment 4:
As shown in Figure 2, a kind of resource utilization low-power consumption sludge treatment process, the method comprises the following steps:
1) modified by carrying out dilution in sewage work's dewatered sludge injection modified pond of mud, mechanical stirring is even, obtain the sludge solutions of water ratio between 85%-97%, dilute the sewage that modified water used produces from follow-up sludge dehydration device, and sludge solutions is placed in cell inactivation device, heat treatment mode is adopted to carry out deactivation to cell, remove extracellular polymeric, destroy zoogleic polymerization, be convenient to the inorganics in separated sludge and organism, thermal treatment temp is 60-110 DEG C, time 15-45min, when containing heavy metal in mud, then to carry out the process of compound alkaline hydrolysis simultaneously, ph value is between 9-11, reaction times is 10-30min, heavy metal ion is made to be combined with hydroxide radical to be formed and to precipitate,
2) aeration agitation mode is adopted to step 1) mud after cell inactivation carries out zoogloea fragmentation, time length 10-30min, destroys colloidal structure and the capillary structure of mud;
3) adopt elutriation mode to step 2) in sludge solutions after zoogloea fragmentation carry out washed-out sand separation, obtain Organic Sludge solution and inanimate matter sludge solutions;
4) by step 3) washed-out sand is separated the Organic Sludge solution that obtains and carries out biomass fuel granulation after dehydration, mummification, and making water ratio is 10-20%, and calorific value is the biomass fuel of more than 3500kcal/kg;
5) by step 3) washed-out sand is separated the inanimate matter sludge solutions obtained and carries out processed, and then add solidifying agent and make material of construction;
6) to step 4) with 5) in the sewage that produces of processed first carry out anaerobic treatment, anaerobism equipment adopts UASB, IC, the anaerobic reactor of the forms such as ABR all can realize the removal of COD and produce biogas, sewage disposal is carried out in the water outlet of anaerobic processing device, make the COD in sewage, BOD, ammonia nitrogen, phosphorus, all kinds of pollution substance such as SS is effectively removed, final qualified discharge after sewage disposal, desulfurization is carried out after collecting methane anaerobism obtained, the pre-treatment such as dehumidifying, then biogas heat energy utilization is carried out, the heat energy supply mud drying device that this device produces and anaerobic processing device use.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a resource utilization low-power consumption sludge treatment process, is characterized in that: the method comprises the following steps:
1) sludge solutions of water ratio between 85%-97% is placed in cell inactivation device, and cell inactivation process is carried out to it, remove extracellular polymeric;
2) machinery or aeration agitation mode is adopted to step 1) sludge solutions after cell inactivation carries out zoogloea fragmentation, and the time length is 15-30min, destroys colloidal structure and the capillary structure of mud;
3) by step 2) sludge solutions after zoogloea fragmentation carries out washed-out sand separation, obtains Organic Sludge solution and inanimate matter sludge solutions;
4) by step 3) washed-out sand is separated that the Organic Sludge solution obtained carries out dewatering, mummification and biomass fuel granulation, makes biomass fuel;
5) by step 3) washed-out sand is separated the inanimate matter sludge solutions obtained and carries out processed, and then add solidifying agent and make material of construction;
6) collect step 4) with 5) in the sewage that produces of processed, and biochemical treatment is carried out to it, makes its qualified discharge.
2. the method for sludge treatment of a kind of resource utilization less energy-consumption according to claim 1, is characterized in that: described step 3) in washed-out sand separate mode for eluriating, eddy flow or sediment by aeration.
3. a kind of resource utilization low-power consumption sludge treatment process according to claim 1, it is characterized in that: step 6) sewage collected carries out biochemical treatment through waste disposal plant or adds magnesium hydroxide or aqua calcis to it and stir, after making mixing, solution pH value is 8.5-9.0, the residence time is 20-30min, form phosphorous throw out and realize dephosphorization, then the sewage after dephosphorization is entered sewage work and process.
4. a kind of resource utilization low-power consumption sludge treatment process according to claim 1, it is characterized in that: to step 4) with 5) in the sewage that produces of processed first carry out anaerobic treatment, and biochemical treatment is carried out until qualified discharge to the sewage after anaerobic treatment, the biogas that anaerobic treatment produces enters residual heat using device through pre-treatment, then heat energy is delivered to mud drying device and anaerobic processing device.
5. a kind of resource utilization low-power consumption sludge treatment process according to claim 1, is characterized in that: adopt ultrasonic, microwave, ultraviolet, ray, acidolysis, alkaline hydrolysis, oxidating chemicals, ozone oxidation, Chlorine Dioxide Oxidation, catalytic oxidation or heat treatment mode to realize step 1) in cell inactivation.
6. a kind of resource utilization low-power consumption sludge treatment process according to claim 5, is characterized in that: described step 1) in the temperature of heat treatment mode of cell inactivation be 60-110 DEG C, the time is 15-45min.
7. a kind of resource utilization low-power consumption sludge treatment process according to claim 5, is characterized in that: described step 1) in the oxidating chemicals addition of oxidating chemicals processing mode of cell inactivation be the dry mud of 1-6mg/g, reaction times 20-40min.
8. a kind of resource utilization low-power consumption sludge treatment process according to claim 5, is characterized in that: described step 1) in cell inactivation Chlorine Dioxide Oxidation processing mode in the addition of dioxide peroxide be the dry mud of 5-15mg/g, reaction times 20-40min.
9. a kind of resource utilization low-power consumption sludge treatment process according to claim 5, is characterized in that: described step 1) in cell inactivation catalytic oxidation processing mode in current density 30-100mA/cm
2, reaction times 20-40min.
10. a kind of resource utilization low-power consumption sludge treatment process according to claim 1, it is characterized in that: when containing heavy metal in mud, need in step 1) cell inactivation process time carry out the process of compound alkaline hydrolysis, reaction ph value is 9-11, time is 10-30min, makes heavy metal ion be combined with hydroxide radical to be formed and precipitate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099874.1A CN104743756A (en) | 2015-03-06 | 2015-03-06 | Method for recycling sludge with low energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099874.1A CN104743756A (en) | 2015-03-06 | 2015-03-06 | Method for recycling sludge with low energy consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104743756A true CN104743756A (en) | 2015-07-01 |
Family
ID=53584127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510099874.1A Pending CN104743756A (en) | 2015-03-06 | 2015-03-06 | Method for recycling sludge with low energy consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104743756A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116074A (en) * | 2016-08-04 | 2016-11-16 | 北京同创碧源水务科技发展有限公司 | Gravity concentration and photodissociation is utilized to allow the method for deeply dehydrating sludge |
| CN106277689A (en) * | 2016-11-07 | 2017-01-04 | 天津壹新环保工程有限公司 | A kind of energy-efficient mud multipurpose processing equipment for recycling and method |
| CN106698871A (en) * | 2015-11-16 | 2017-05-24 | 杨励昌 | Innocuous dredging decrement and dehydration processing method |
| CN107140798A (en) * | 2017-04-26 | 2017-09-08 | 天津壹新环保工程有限公司 | A kind of online abatement system of sludge and processing method |
| CN107721104A (en) * | 2017-10-20 | 2018-02-23 | 天津壹新环保工程有限公司 | Method and device for treating sludge in water supply plant |
| CN110937772A (en) * | 2019-12-11 | 2020-03-31 | 中冶华天工程技术有限公司 | Method for separating organic/inorganic components from sludge |
| CN113912238A (en) * | 2021-11-09 | 2022-01-11 | 魏桥国科(滨州)科学工程产业技术研究院有限公司 | Upgrading method for enriching organic matters in printing and dyeing sludge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004290778A (en) * | 2003-03-26 | 2004-10-21 | Hitachi Kiden Kogyo Ltd | Method for anaerobically treating sludge |
| CN102718377A (en) * | 2012-06-21 | 2012-10-10 | 上海同济普兰德生物质能股份有限公司 | Device and method for desanding and disinfecting pretreatment of municipal sludge |
| CN202865076U (en) * | 2012-08-21 | 2013-04-10 | 四川深蓝环保科技股份有限公司 | Biomass sludge treatment system |
| CN104003602A (en) * | 2014-06-16 | 2014-08-27 | 周旋辉 | Method for improving dehydration performance of sludge through oxidizing organic matters in sludge |
-
2015
- 2015-03-06 CN CN201510099874.1A patent/CN104743756A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004290778A (en) * | 2003-03-26 | 2004-10-21 | Hitachi Kiden Kogyo Ltd | Method for anaerobically treating sludge |
| CN102718377A (en) * | 2012-06-21 | 2012-10-10 | 上海同济普兰德生物质能股份有限公司 | Device and method for desanding and disinfecting pretreatment of municipal sludge |
| CN202865076U (en) * | 2012-08-21 | 2013-04-10 | 四川深蓝环保科技股份有限公司 | Biomass sludge treatment system |
| CN104003602A (en) * | 2014-06-16 | 2014-08-27 | 周旋辉 | Method for improving dehydration performance of sludge through oxidizing organic matters in sludge |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698871A (en) * | 2015-11-16 | 2017-05-24 | 杨励昌 | Innocuous dredging decrement and dehydration processing method |
| CN106116074A (en) * | 2016-08-04 | 2016-11-16 | 北京同创碧源水务科技发展有限公司 | Gravity concentration and photodissociation is utilized to allow the method for deeply dehydrating sludge |
| CN106116074B (en) * | 2016-08-04 | 2019-07-09 | 北京同创碧源水务科技发展有限公司 | The method of deeply dehydrating sludge is allowed using gravity concentration and photodissociation |
| CN106277689A (en) * | 2016-11-07 | 2017-01-04 | 天津壹新环保工程有限公司 | A kind of energy-efficient mud multipurpose processing equipment for recycling and method |
| CN107140798A (en) * | 2017-04-26 | 2017-09-08 | 天津壹新环保工程有限公司 | A kind of online abatement system of sludge and processing method |
| CN107721104A (en) * | 2017-10-20 | 2018-02-23 | 天津壹新环保工程有限公司 | Method and device for treating sludge in water supply plant |
| CN110937772A (en) * | 2019-12-11 | 2020-03-31 | 中冶华天工程技术有限公司 | Method for separating organic/inorganic components from sludge |
| CN113912238A (en) * | 2021-11-09 | 2022-01-11 | 魏桥国科(滨州)科学工程产业技术研究院有限公司 | Upgrading method for enriching organic matters in printing and dyeing sludge |
| CN113912238B (en) * | 2021-11-09 | 2023-12-15 | 魏桥国科(滨州)科学工程产业技术研究院有限公司 | Upgrading method for enriching organic matters in printing and dyeing sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104743756A (en) | Method for recycling sludge with low energy consumption | |
| CN102992559B (en) | Method for comprehensively utilizing anaerobic digestion and carbonization of municipal sludge | |
| CN110105095A (en) | A kind of innoxious and recycling processing method of kitchen garbage | |
| CN104944732A (en) | Energy-saving recycling treatment disposal system and energy-saving recycling treatment disposal process for organic solid waste | |
| CN104803546B (en) | Technology for reducing and recycling treatment of sludge of sewage treatment plant | |
| CN101948231B (en) | High-concentration anaerobic sludge digestion treatment process for carrying out mechanical dewatering on sludge | |
| CN103693828B (en) | Method for processing residual sludge with integrated process of alkaline hydrolysis preprocessing, nitrogen and phosphorus recovery based on magnesium ammonium phosphate method and methane production based on anaerobic digestion | |
| CN102633414B (en) | Method for treating sludge and extracting organic substances by using microwave | |
| CN101337838A (en) | Combined anaerobic fermentation process for organic solid wastes | |
| CN102603135B (en) | Method for producing biogas by aid of intensified anaerobic fermentation of circular backflow sludge in microwave and alkali combined treatment | |
| CN106915883B (en) | A kind of endogenous FNA pretreating sludge minimizing and process for reclaiming | |
| CN101012096A (en) | Supersonic wave reinforcement sludge anaerobic digestion gas production method | |
| CN101698561A (en) | Silt pretreatment method for enhancing dehydration property and digestibility of silt | |
| CN202080994U (en) | Harmless and reducing real-time treatment system for sewage and sludge | |
| CN105254150A (en) | Pretreatment method for increasing yield of excess sludge anaerobic digestion methane | |
| CN104891774A (en) | Method for treating sludge by use of polyaluminum chloride and ultrasonic combining technology | |
| CN207108772U (en) | A kind of sludge treating system | |
| CN105060669A (en) | Sludge comprehensive utilization method by anaerobic fermentation-carbonization combination technique | |
| CN108128999A (en) | A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method | |
| CN112759210B (en) | Sludge treatment system and method | |
| CN207581802U (en) | A kind of device of the mixed material fermentation and biogas production with hydro-thermal process | |
| CN202968316U (en) | Excrement innocent treatment system | |
| CN204607815U (en) | A kind of Sludge Chemical Conditioning concentration systems | |
| CN204185347U (en) | The system of industrial sewage and active sludge synchronous processing | |
| CN208684795U (en) | A kind of organic fertilizer joint production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |