CN104193132B - The method of steam heat lixiviate lignin-sludge - Google Patents
The method of steam heat lixiviate lignin-sludge Download PDFInfo
- Publication number
- CN104193132B CN104193132B CN201410468152.4A CN201410468152A CN104193132B CN 104193132 B CN104193132 B CN 104193132B CN 201410468152 A CN201410468152 A CN 201410468152A CN 104193132 B CN104193132 B CN 104193132B
- Authority
- CN
- China
- Prior art keywords
- reactor
- mud
- sludge
- material frame
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000010802 sludge Substances 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 230000008569 process Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 abstract description 15
- 238000006297 dehydration reaction Methods 0.000 abstract description 15
- 239000002689 soil Substances 0.000 abstract description 7
- 238000007605 air drying Methods 0.000 abstract description 6
- 239000003337 fertilizer Substances 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 239000004566 building material Substances 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000002386 leaching Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 2
- 150000003384 small molecules Chemical class 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 7
- 230000029087 digestion Effects 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000009283 thermal hydrolysis Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000021028 berry Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of method adopting steam lixiviate lignin-sludge, to realize the minimizing of mud, resource utilization and innoxious, belong to fixed-end forces technical field.Mud to be contained in material frame and to be placed in closed reactor by present method; High-temperature steam is passed into after reactor is vacuumized; Steam heating mud, smudge cells, stripping is organic; Be rich in organic leach liquor be separated with mud under gravity and come together in bottom reactor.Mud only contacts with fresh steam all the time, and in mud, organic leaching of major part enters vat liquor and be degraded to easily biochemical small-molecule substance.Vat liquor can be used as the utilizations such as Liquid Fertilizer, soil improvement agent, sewage work's denitrifying carbon source; In residual sludge, organic content is low, thoroughly can be disposed after simple dehydration or natural air drying as building materials, soil reuse or landfill etc.
Description
Technical field
The present invention relates to the treatment process of mud, be specifically related to the method adopting steam heat lixiviate lignin-sludge, belong to fixed-end forces technical field.
Background technology
What China in 2012 put into effect disposes of sewage 1.16 hundred million cubes sewage treatment facility day, daily output nearly 100,000 tons of mud (with 80% moisture content meter).Be enriched hardly degraded organic substance, heavy metal, virus, bacterium etc. in mud, difficulty of governance is high.Be different from and burn and the conventional art such as landfill, thermal hydrolysis technology significantly can improve dewatering and the biodegradability energy of mud, the product resourcebility utilization after its process, realizes resource utilization and innoxious while realizing sludge reduction.
Chinese patent 20041203414.2 discloses a kind for the treatment of process of excess sludge, is made up of thermal hydrolysis, anaerobic digestion and dehydration three unit.Thermal hydrolysis unit adopts autoclave to be reactor, temperature of reaction 110 ~ 190 DEG C, 15 ~ 75 minutes reaction times.Anaerobic digestion unit adopts Anaerobic Sequencing Bath Reactor, 7.5 ~ 10 days residence time.Dewatering unit adopts centrifuge dehydration, rotating speed 2500 ~ 3000 revs/min, and after dehydration, moisture content of the cake is 45% ~ 50%.Technique that this patent belongs to " thermal hydrolysis-anaerobic digestion ", whole technique is comparatively loaded down with trivial details; Thermal hydrolysis is only pre-treatment in such technique, though compare the time that conventional anaerobic digestion saves half, but still need the subsequent anaerobic digestion of nearly 10 days, processing efficiency is still not ideal enough.
Chinese patent 20121023419.4 discloses a kind of device and method for sludge water Grape berry, is made up of the distilling kettle of two alternate runs.First the dilution water that with the addition of alkali is injected to the first distilling kettle, then by pressure release steam injection first distilling kettle of the second distilling kettle with preheating dilution water; Mud enters the first distilling kettle through fragmentation and mixes with dilution water; Finally pass into high-temperature steam direct heating mud, temperature of reaction 130 ~ 180 DEG C, reaction pressure 0.5 ~ 1.5MPa, the residence time 15 ~ 45min.Cycle alternation like this runs two distilling kettles, at utmost to utilize waste heat.This patent, still only for the pre-treatment of mud, needs to add dilution water and alkali; Though make full use of pressure release steam, adding of dilution water makes energy consumption increase.
Chinese patent 20091026548.7 discloses a kind of horizontal reactor for sludge water thermal response.The reactor of this patent is double-deck horizontal reacting still, and axis is horizontally installed with agitator, stirs scraper and has certain angle, can realize the discharging of mud.A high-temperature water vapor part directly enters inner core and directly contacts with mud, and another part enters chuck and accelerates temperature-rise period.This invention, without the need to diluting 80% water content sludge, reduces energy expenditure.This patent changes traditional vertical reactor into horizontal reacting still, and without the need to diluting mud, but the energy consumption of agitator is higher, and in general energy consumption is also higher.
Chinese patent 20081021666.9 discloses a kind of technique and the system of preparing liquid fertilizer from mud.This patent adopts 150 ~ 300 DEG C, the water vapour of 1.5 ~ 3.0MPa and wet mud raw material mix and blend, heats and keeps 20 ~ 60 minutes, after in 0.5 ~ 8 hour, be cooled to less than 100 DEG C, obtain Liquid Fertilizer and half-dried solid through solid-liquid separation.This patent have employed stirring, implement to stir difficulty large, and it is higher to stir energy consumption to large high-temperature high pressure vessel; Mud and steam in whole process, water are mixed in together, fail to realize the timely separation of muddy water.
Can find out, the treatment technology regular senior middle school energy consumption of current mud is high, cumbersome, process be thorough, need a kind of with low cost, new method for sludge treatment that simple process, resource utilization degree are high of exploitation badly.
Summary of the invention
The problems such as, complex process high for existing sludge disposal technology energy consumption, the present invention proposes the method adopting steam heat degradation treatment mud, simultaneously can be organic in lixiviate mud, namely steam is adopted to destroy mud cellularstructure, major part wherein is also transferred in liquid product (vat liquor) by stripping organic matter, thus reaches the minimizing of mud and the object of resource reutilization.
The method of steam heat lixiviate lignin-sludge of the present invention, comprises the steps:
(1) mud to be contained in material frame and to be placed in reactor, material frame is the reticulated structure of open topped, sludge retention can be stopped while material frame, filter moisture content and vat liquor and drip and become still liquid at the bottom of still, and material frame does not contact with still liquid, closed reactor, is evacuated to gauge pressure for-0.06MPa ~-0.07MPa;
(2) high-temperature steam is passed into reactor, keep temperature in the kettle at 150 DEG C ~ 300 DEG C, maintain 5 ~ 20 hours; High-temperature steam directly and mud transmission of heat by contact, utilizes the heat of phase transformation of steam to heat, mud of degrading;
(3) the reactor Temperature fall after lixiviate, to room temperature, opens reactor, in material frame, take out residual sludge, discharge still liquid.
The insulation of reactor whole outside surface is good, and there is the material frame holding pending mud reactor inside, and material frame upper end is uncovered, and can add from open-mouth and take out mud, surrounding and bottom be 200 ~ 300 object filter screens.Filter screen is used for the moisture content in filter sludge, simultaneously can by sludge retention in material frame, and filter screen can be made for corrosion-resistant, high temperature resistant, that intensity is good material, the filter screen of preferred stainless steel.
Material frame is placed in reactor in the mode not contacting still liquid, can hang in reactor, also can support and be positioned in reactor, namely makes mud in whole leaching process only contact with steam, and does not contact with still liquid; During process, mud is contained in material frame, pass into steam, steam can pass into above reactor, also can pass into from reactor side, make steam pass into mouth not contact with still liquid, the water of condensation of generation and vat liquor and still liquid, fall to the still collection bottom reactor under gravity in material frame, still collection can be directly the bottom of reactor, also can be the container that of being positioned over separately bottom reactor could receive and discharge still liquid; And residual sludge stays in material frame all the time, to realize the timely separation of muddy water.
Through the lixiviate of 5 ~ 20 hours, the water in residual sludge existed with the form of free water, and the dewatering of residual sludge significantly improves, and the mode of natural air drying can be adopted to dewater, through natural air drying to water ratio about 5%; Also can be passed through mechanical dehydration and fast water ratio is down to less than 50%, then natural air drying is to water ratio about 5%.Dehydration equipment can be the conventional device for dehydrating sladge waste such as centrifuge dehydration, belt type filter-pressing dehydration plant, filter press dehydration.In the mud cake of water ratio about 5%, organic content is low, can utilize, fire coal mixes burning, cement multifuel combustion, Land_use change or landfill etc. are thoroughly disposed through building materials.
Steam soaking extracting method of the present invention can by primary sludge more than 70% organic matter leach enter vat liquor.The still liquid come together in bottom reactor mainly contains two kinds of discharge methods, and the first discharge method is disposable discharge method, i.e. disposable discharge reactor upon reaction completion; The still liquid that disposable discharge method is discharged at high temperature stops for a long time, and wherein hardly degraded organic substance is degraded to easy biochemical substances, and this liquid product is easy biochemical water, BOD
5/ COD
cr>=0.4, can be used as Liquid Fertilizer, soil improvement agent and Sewage Plant denitrifying carbon source etc. and be used.Still liquid, for discharge method in real time, namely by leve monitor and water exhaust system, is discharged reactor in time by the second discharge method in reaction process; The still liquid adopting real-time discharge method to discharge has biodegradability, 0.3≤BOD
5/ COD
cr≤ 0.4, can be passed through the thoroughly process such as high-temperature anaerobic fermentation.
Adopt the method for the invention, handled mud can comprise dewatered sludge, thickened sludge, nitrifying sludge etc.
The method applied in the present invention belongs to sludge hot technology for hydrolyzing, but be essentially different with traditional thermal hydrolysis: in the present invention, steam directly and mud transmission of heat by contact, pyrolysis lixiviate organic matter wherein, only contacting with steam to whole mud to beginning, namely adopting " steaming " to replace the method pyrolysis mud of existing " boiling ".Such treatment process mainly has the following advantages compared with separating method with conventional hot water:
(1) do not add any material in mud, equipment is without the need to stirring, and therefore equipment is simple, and easy and simple to handle, with low cost, safe and reliable, its treatment capacity is determined according to practical situation, and single batch processed amount can reach several tons to tens tons.
(2) what the present invention adopted is steam " steaming " mud, and in mud, the organic matter of more than 70% is leached in water; Organic low in residual sludge, reprocessing is simple.
(3) discharge method can realize the real-time discharge of water of condensation and vat liquor in real time, has saved energy consumption; 1 ton of steam can process 2 ~ 3 tons of mud (with 80% moisture content meter).
(4) primary emission method can improve the biodegradability of vat liquor, its BOD
5/ COD
cr>=0.4.
Accompanying drawing explanation
Fig. 1 is treatment scheme schematic diagram of the present invention.
1 steam distributor 2 reactor 3 material frame 4 still collection
The disposable discharge water 7 of 5 dehydration equipment 6 discharges water 8 mud cake in real time
9 easy biochemical water
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
Embodiment 1
Be provided with the material frame 3 that holds mud in mud lixiviate reactor 2, this material frame upper end is uncovered, and surrounding and bottom are 200 object pottery filter discs, and material frame hangs in reactor 2, is contained with 2.5kg mud pending in material frame.Pending moisture percentage in sewage sludge is 81.4%, and drying solid TOC is 217mg/g, is contained in described material frame 3, closed reactor 2, is evacuated to gauge pressure for-0.07MPa.
1.2kg200 DEG C of steam as shown in Figure 1, passes in reactor 2 from the steam distributor 1 on reactor top by treatment scheme, keeps temperature in the kettle at 150 DEG C, maintains 20 hours; The vat liquor produced in steam heating and leaching process and water of condensation come together in the still collection 4 bottom reactor 2.
After lixiviate completely, naturally cool to room temperature, still liquid adopts discharges in real time; From material frame 3, residual sludge is taken out, send in dehydration equipment 5.
The water that sludge dewatering produces is easy biochemical water 9, after testing, and the BOD of easy biochemical water
5/ COD
crbe 0.62, as utilizations such as Liquid Fertilizer, soil improvement agent, sewage work's denitrifying carbon sources; The BOD of the water 7 of real-time discharge
5/ COD
crbe 0.39, through thoroughly process such as high-temperature anaerobic fermentations.The mud cake 8 produced after dehydration equipment 5 dewaters, through mechanical dehydration, water ratio is down to 40%, then after natural air drying to water ratio 5%, butt TOC being 63mg/g, is 29% of primary sludge TOC, is thoroughly disposed as building materials utilization, soil reuse or landfill etc.
Embodiment 2
Be provided with the material frame 3 that holds mud in mud lixiviate reactor 2, this material frame upper end is uncovered, and surrounding and bottom are 300 object stainless steel filtering nets, and material frame supports and is positioned in reactor 2, is contained with 8 tons of mud pending in material frame.Pending moisture percentage in sewage sludge is 80.8%, and drying solid TOC (total organic carbon) is 214mg/g, closed reactor 2, is evacuated to gauge pressure for-0.06MPa.
3 tons of 600 DEG C of steam are passed in reactor 2 from the steam distributor 1 on reactor top, keeps temperature in the kettle at 300 DEG C, maintain 5 hours; The vat liquor produced in steam heating and leaching process and water of condensation come together in bottom reactor 2 becomes still liquid.
After lixiviate completely, naturally cool to room temperature, still liquid adopts disposable discharge; From material frame 3, residual sludge is taken out, send in dehydration equipment 5.
The water 6 of the water that sludge dewatering produces and disposable discharge is easy biochemical water 9, after testing, and the BOD of easy biochemical water
5/ COD
crbe 0.52, as utilizations such as Liquid Fertilizer, soil improvement agent, sewage work's denitrifying carbon sources.The mud cake 8 produced after dehydration equipment 5 dewaters, be after about 5% through natural air drying to water content, butt TOC is 65mg/g, is 30.4% of primary sludge TOC, utilizes, soil reuse or landfill etc. are thoroughly disposed as building materials.
Embodiment 3
Be not repeated with embodiment 2 something in common, difference is, has two cover mud lixiviate reactors 2, alternate run.First, after first reactor lixiviate completely, by in the reactor 2 to be heated of the exhaust steam pressure release to the second in it, after pressure release, again 1.5 tons of fresh 300 DEG C of steam are continued to pass in second reactor 2, be contained with 4.5 tons of mud in material frame pending, keep temperature in the kettle at 200 DEG C, maintain 10 hours.
Adopt two covering devices to carry out hot dipping to carry, can steam saving consumption, make cost lower.For the first set equipment of alternate run, before reaction, pending moisture percentage in sewage sludge is 82.3%, and the TOC value of butt mud is 221mg/g; After process, mud cake butt TOC is 61mg/g, is the BOD of 27.6% of primary sludge TOC, easy biochemical water
5/ COD
crbe 0.56.Second complete equipment of alternate run, before reaction, the water ratio of pending mud is 81.6%, and butt mud TOC is 229mg/g; After process, mud cake butt TOC is 67mg/g, is the BOD of 29.3% of primary sludge TOC, easy biochemical water
5/ COD
crbe 0.55.
Claims (4)
1. a method for steam heat lixiviate lignin-sludge, is characterized in that, comprises the following steps:
(1) mud to be contained in material frame and to be placed in reactor, material frame is the reticulated structure of open topped, the surrounding of material frame and bottom are 200 ~ 300 object filter screens, material frame can stop sludge retention while material frame, filter moisture content and vat liquor and drip and become still liquid at the bottom of still, material frame adopts and is placed in reactor in the mode not contacting still liquid, closed reactor, is evacuated to gauge pressure for-0.06MPa ~-0.07MPa;
(2) high-temperature steam is passed into reactor, keep temperature in the kettle at 150 DEG C ~ 300 DEG C, maintain 5 ~ 20 hours;
(3) the reactor Temperature fall after lixiviate, to room temperature, opens reactor, in material frame, take out residual sludge, discharge still liquid.
2. the method for steam heat lixiviate lignin-sludge according to claim 1, is characterized in that, described filter screen is stainless steel filtering net.
3. the method for steam heat lixiviate lignin-sludge according to claim 1, is characterized in that, described still liquid is adopted and discharged with the following method:
(1) disposable discharge, upon reaction completion disposable discharge reactor; Or
(2) discharge in real time, by leve monitor and water exhaust system, in reaction process, in time water is discharged reactor.
4. the method for steam heat lixiviate lignin-sludge according to claim 1, is characterized in that, the residual sludge after process is air-dry to water ratio 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468152.4A CN104193132B (en) | 2014-09-15 | 2014-09-15 | The method of steam heat lixiviate lignin-sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468152.4A CN104193132B (en) | 2014-09-15 | 2014-09-15 | The method of steam heat lixiviate lignin-sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104193132A CN104193132A (en) | 2014-12-10 |
| CN104193132B true CN104193132B (en) | 2016-03-16 |
Family
ID=52078553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468152.4A Expired - Fee Related CN104193132B (en) | 2014-09-15 | 2014-09-15 | The method of steam heat lixiviate lignin-sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104193132B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104710093B (en) * | 2015-02-17 | 2017-05-03 | 中国科学院重庆绿色智能技术研究院 | Continuous sludge hydro-thermal treatment reaction kettle device |
| CN110606520A (en) * | 2019-10-15 | 2019-12-24 | 深圳市驭智装备技术有限公司 | Energy-saving high-temperature hydrolysis reaction kettle and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717283A (en) * | 2008-10-09 | 2010-06-02 | 深圳市环源科技发展有限公司 | Process and system for preparing liquid fertilizer from sludge |
| JP2010194388A (en) * | 2009-02-23 | 2010-09-09 | System Kikou Co Ltd | Method for reducing quantity of oil-containing sludge |
| CN101830622A (en) * | 2010-04-23 | 2010-09-15 | 青岛思普润水处理有限公司 | Method for treating sludge or organic rubbish |
| CN102108002A (en) * | 2009-12-29 | 2011-06-29 | 北京机电院高技术股份有限公司 | Horizontal reaction kettle for sludge hydrothermal reaction |
| CN102781852A (en) * | 2010-08-30 | 2012-11-14 | 株式会社泰科企划 | Sludge treatment method and sludge treatment system |
-
2014
- 2014-09-15 CN CN201410468152.4A patent/CN104193132B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717283A (en) * | 2008-10-09 | 2010-06-02 | 深圳市环源科技发展有限公司 | Process and system for preparing liquid fertilizer from sludge |
| JP2010194388A (en) * | 2009-02-23 | 2010-09-09 | System Kikou Co Ltd | Method for reducing quantity of oil-containing sludge |
| CN102108002A (en) * | 2009-12-29 | 2011-06-29 | 北京机电院高技术股份有限公司 | Horizontal reaction kettle for sludge hydrothermal reaction |
| CN101830622A (en) * | 2010-04-23 | 2010-09-15 | 青岛思普润水处理有限公司 | Method for treating sludge or organic rubbish |
| CN102781852A (en) * | 2010-08-30 | 2012-11-14 | 株式会社泰科企划 | Sludge treatment method and sludge treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104193132A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105349581B (en) | A kind of full method of resource using Chinese medicine slag methane and biogas residue active carbon | |
| CN107971324B (en) | Method and device for reducing and recycling kitchen waste anaerobic fermentation biogas residues | |
| CN102489496A (en) | Method for carrying out anaerobic digestion on kitchen waste after heat-moisture treatment | |
| CN104628233A (en) | Deep dehydration device and deep dehydration method for organic materials | |
| CN102703514A (en) | Kitchen waste disposal method and anaerobic fermentation reaction device | |
| CN110615593A (en) | Method for separating active sludge biomass by high-speed mechanical cyclone | |
| CN107008734A (en) | A kind of method that harmless resource handles antibiotic bacterium dregs | |
| CN207375999U (en) | A kind of organic refuse treatment appts for coupling hydrothermal carbonization and biochemical reaction principle | |
| CN105602844A (en) | Kitchen waste medium-high-temperature combined anaerobic digestion equipment and anaerobic digestion method | |
| CN108101956A (en) | A kind of terramycin strain Slag treatment and Application way | |
| CN103992371A (en) | Method for circularly extracting protein and humus from residual sludge after dehydration by combining ultrasonic method with acid process | |
| CN108249733B (en) | Low-energy-consumption municipal sludge heat treatment dehydration device and method | |
| CN104193132B (en) | The method of steam heat lixiviate lignin-sludge | |
| CN103436319B (en) | Method for preparing briquettes fuel from deoiled kitchen waste | |
| CN108128999A (en) | A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method | |
| CN110877953A (en) | Reaction system for sludge resource utilization | |
| CN102974592A (en) | Thermal hydrolysis and anaerobic digestion processing method for household refuse and device thereof | |
| CN104843850B (en) | Method by industrial organic sewage conversion processing | |
| CN112496012A (en) | Anaerobic digestion treatment method and device for kitchen garbage | |
| CN208684795U (en) | A kind of organic fertilizer joint production | |
| CN106967759A (en) | A kind of method that quenched sludge common fermentation of the pretreated straw of Low Temperature Thermal in short-term produces volatile acid | |
| CN111217625A (en) | Lees treatment facility assembly line | |
| KR100921538B1 (en) | Apparatus of biogas production using vertical type drying anaerobic digestion vessel | |
| CN108315356A (en) | A method of producing biogas using kitchen garbage | |
| CN210945299U (en) | Device for separating activated sludge biomass by utilizing high-speed mechanical cyclone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |