CN104310689A - Sugar refining clarification clean production process - Google Patents
Sugar refining clarification clean production process Download PDFInfo
- Publication number
- CN104310689A CN104310689A CN201410574468.1A CN201410574468A CN104310689A CN 104310689 A CN104310689 A CN 104310689A CN 201410574468 A CN201410574468 A CN 201410574468A CN 104310689 A CN104310689 A CN 104310689A
- Authority
- CN
- China
- Prior art keywords
- juice
- mud
- filtered juice
- rapid subsidence
- sugar
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to a sugar refining clarification clean production process which comprises the following steps: firstly, feeding mud juice of a settling pond into a filtering cloth free vacuum suction filtration machine, filtering and separating under the action of the filtering cloth free vacuum suction filtration machine so as to obtain filtrate and filtered mud, using the filtered mud as a raw material of a composite fertilizer or directly supplying to farmers to be used as a base fertilizer, feeding the filtrate into a rapid filtrate settling system, further performing solid-liquid separation under the action of a flocculant, thereby obtaining sugar juice and mud juice, feeding back the obtained mud juice to the filtering cloth free vacuum suction filtration machine for further filtration, feeding the obtained sugar juice into a clear juice tank for treatment, and feeding the treated clear juice into an evaporation tank for evaporation concentration. The sugar refining clarification clean production process has the characteristics of small pollution discharge, low consumption, high efficiency and cost reduction.
Description
Technical field
The invention belongs to sugar refining technology technical field, relate to a kind of sugar clarification process for cleanly preparing.
Background technology
Since reform and opening-up, Chinese national economy achieves fast development, but along with the development of national economy, pollutant emission also increases just day by day, and the contradiction of Economic development and environmental pollution is increasingly sharpened, and the cry of environment protection is more and more surging.In recent years, the Party Central Committee, State Council pay much attention to energy-saving and emission-reduction, environmental protection work, have put into effect a series of policies and measures successively, have proposed clear and definite guiding theory and developing goal for energy-saving and cost-reducing, pollution emission reduction, cleaner production.Carry out national energy-saving and reduce discharging cleaner production policy, promote industry sustainable development is current China economy, social development faces significant challenge and test.
Sugar industry is the food service industry that China's waste water and waste discharge amount are larger, it is one of national environmental protection department emphasis mirror control wastewater pollution source, one of industry that Ye Shi China every ten thousand yuan of industrial output value energy consumptions, water consumption is the highest, wherein, filter wash water distribution contains the organic pollutant such as sugar, suspended substance, its COD is 6500mg/L, SS is 1500in/L, BOD5 is 3900 mg/L, the quantity discharged of filter wash water distribution is about 2.6%(note to sugarcane ratio: above data are from " sugar industry pollutant emission standard explanation of compilation "), be one of primary pollution source of Closed Circulation in Sugar Production.If directly discharge, water quality can be caused to worsen, smelly, part hydrocoles is dead, destroys water ecology balance.Our factory is positioned at the Weng rivers side of Pearl River system north Jiang Zhiliu, and its downstream is the densely populated Delta of the Pearl River, and Weng rivers are class water conservation areas.And sugaring squeezing season production period is all in the low water season in winter, season in spring two, the improvement of Closed Circulation in Sugar Production organic pollutant seems and is even more important.Our factory adopts precipitate and separate to filter wash water distribution and is back to cane milling infiltration water technology and processes, and all will spend high operation and maintenance cost every year.Therefore, be instruct with the Scientific Outlook on Development, exploratory development clarification workshop section process for cleanly preparing, realize reducing discharging as target with energy-saving and cost-reducing, pollution treatment, effectively reducing the discharge of Closed Circulation in Sugar Production organic pollutant, is our new problem.In the face of how to reduce production cost, improve the quality of products, improve the market competitiveness, realize the pressing issues that sustainable development faces; Also be protection northern river basin water resources, realize harmonious co-existence between man and nature, the broad masses of the people for Zhujiang River downstream provide clean Zhujiang River water source, build humorous society and also have very important significance simultaneously.
In cane sugar manufacture clarification workshop section production process, generally adopt the mode of filtration that the solia particle in settling bowl mud juice is separated, reclaim sugar.Filter technique, equipment that link adopts, be directly connected to sugared part rate of recovery of Closed Circulation in Sugar Production, the quality of commerieal sugar and the improvement of environmental protection.Our factory adopted the mud juice of girdle type (having filter cloth) vacuum suction filter filtration treatment settling bowl originally, and the subsider juice of gained filtered juice and settling bowl is mixed into evaporator station.But have filter cloth girdle type vacuum suction filter to have following deficiency: 1, dry filter mud pol is higher, sugared part loss is more serious; 2, filter cloth regularly need remove cleaning to ensure its filtration capacity, both increases labour intensity like this, also can produce a large amount of filter wash water distributions containing the organic pollutant such as Sucrose, suspended substance, increase sewage disposal expense.How solving sugar refinery and squeeze the pollution that season produces filter wash water distribution, is our problem in the urgent need to address.
The filtered juice simultaneously obtained through treating processes is more muddy, directly can not be sent to rear workshop section and process, and also needs, after settling tank again sedimentation or other art breading, just can enter next process.Following several form is had at present: 1, reflux sedimentation tank carries out secondary treatment to the process of filtered juice; 2, the process of floatation and clarification method is adopted; 3, rapid subsidence art breading is adopted.In above-mentioned several technique, filtered juice reflux sedimentation tank carries out the burden that secondary sedimentation process can increase the weight of settling tank, and can increase the syrup residence time, and cause certain sugar transition, color value of clear juice increases to some extent; Floatation and clarification method complex process, be difficult to stability contorting, and one-time investment is excessive, operation and maintenance cost is high.Relative to above-mentioned two kinds of techniques, the stable performance of filtered juice rapid subsidence processing unit, simple to operate, the filtered juice residence time is short, substantially do not have sugared part to transform loss.After the performance that compared for above-mentioned filtered juice disposal technology, patented technology " the grid type filtered juice rapid subsidence system " technique of co-applicant Guangzhou Inst of Cane Sugar research and development that we are preferred processes filtered juice.
Summary of the invention
For overcoming above-mentioned technical disadvantages, the invention provides a kind of sugar clarification process for cleanly preparing, grid type filtered juice rapid subsidence system, coupled vacuum filter without cloth can be utilized, realize the zero release of filter wash water distribution and improve the object of Sugar Recovery.
The present invention solves the technological method that its technical problem adopts: a kind of sugar clarification process for cleanly preparing, and its technical process is as follows:
First settling tank mud juice can enter vacuum filter without cloth carry out filtering separation under the effect of vacuum filter without cloth, obtain filtered juice and filter mud, filter mud is for doing the raw material of Chemical Mixed Fertilizer or being directly supplied to peasant household to make base manure, filtered juice then enters filtered juice rapid subsidence system further solid-liquid separation under the effect of flocculation agent and obtains syrup and mud juice, the mud juice got then is got back to vacuum filter without cloth and is re-started filtration, the syrup obtained then carries out processing in juice case clearly, and the clear juice after process then enters evaporating pot and carries out evaporation concentration.
In filtered juice rapid subsidence system, be provided with filtered juice rapid subsidence pond, filtered juice carries out solid-liquid separation in the grid type rapid subsidence pond entered in rapid subsidence system after heating, according to a certain ratio interpolation flocculation agent.
In rapid subsidence pond, while filtered juice flows along tortuous grid claustra path to juice opening, the constantly sedimentation downwards of agent network particle gravitate is together flocculated in filtered juice, what obtain when arriving juice opening is peace and quiet syrup, mud juice is then discharged to vacuum filter without cloth filtration device by the spiral organ bottom rapid subsidence pond, grid type filtered juice rapid subsidence system is by the frequency conversion equilibrium conveying of filtered juice, Heating temperature, flocculation agent adds, the measures such as the automatic control of mud juice discharge, make filtered juice in equilibrium, rapid subsidence layering is realized under stable operating mode, obtain peace and quiet syrup.
The invention has the beneficial effects as follows: the pollution problem thoroughly solving filter wash water distribution, because vacuum filter without cloth adopts stainless steel filtering net as filtration medium, stainless steel filtering net can use continuously and without the need to cleaning, so discharge without filter wash water distribution, thoroughly solve Closed Circulation in Sugar Production primary pollution source---the governing problem of filter wash water distribution, calculate according to this, annual minimizing discharge of wastewater 31200 tons (13 tons/hour × 24 × 100 days=31200 tons), be equivalent to few discharge COD 43.94 tons, SS10.14 ton, BOD26.36 ton, for new contribution has been made at protection Upper Reaches of Pearl River water source, 2, dry filter mud pol is low, and vacuum filter without cloth dry filter mud pol is reduced to 10.12% by original 21.04%.The sugared part loss taken away in filter mud in Closed Circulation in Sugar Production is reduced to 0.8% by original 1.71%, reduce by 0.91 percentage point, by the calculating of average each squeezing season process sugarcane 250,000 tons, fecund sugar 245 tons, by sugar market sale price in 2013 5500 yuan of calculating, increase income 122.5 ten thousand yuan, tax 20.8 ten thousand yuan, squeeze the application of producing in season by one, regained application the application nearly 50% investment; Filtered juice quality reaches and enters next process requirement, filtered juice after the process of sugar clarification new cleanproduction process, its turbidity greatly reduces, and brings up to 27MAU reach or close to the quality level of subsider juice, can directly enter next process process by 20 MAU before transforming; Filtered juice process sugar-free part Transformation Phenomenon, the purity difference of filtered juice gained syrup before and after rapid subsidence process is :+3.7 AP, and pH value difference is :+0.02, visible, and filtered juice transforms and syrup hyperchromism rapid subsidence treating processes sugar-free part; 98.47% is reached on 2012/13 year squeezing my the Products ratio of first-grade products of season that affects of White Sugar Quality, comparatively goes up 96.16 raising 2.31 % that squeezes season; This technology applies my Products steady quality afterwards, in the year comparation and assessment of national sugar industry Quality Supervision and Inspection Center, be chosen as excellent prize; Under colleague's condition, squeeze the working cost produced in season and reduce 14.67 ten thousand yuan, wherein power consumption is by implementing sugar clarification new cleanproduction process, is reduced to use 1 45KWh motor, brownout 105KWh by originally using 2 75KWh motors, economize on electricity every day 2520 KWh, by producing calculating in 100 days annual squeezing season, each squeezing electricity in season 252000KWh, 88.2 tons, signature coal, by mark coal price lattice 1120 yuan/ton of calculating at present, reduce working cost 9.87 ten thousand yuan; Filtration medium consumption then adopted originally will consume filter cloth 4 pieces, every block 3500 yuan in girdle type vacuum suction filter each squeezing season, and totally 2.8 ten thousand yuan, two machines, after using vacuum filter without cloth and filtered juice rapid system instead, need not consume filter cloth, cut down expenses 2.8 ten thousand yuan; Personal expenditures vacuum filter without cloth and filtered juice rapid system level of automation is high, stable performance, convenient operating maintenance, and without the need to tearing open, filter wash cloth, labour intensity is low, suction strainer and rapid subsidence post only need 2 bit manipulation workmans to satisfy the demand, and comparatively reduce recruitment 2 people before the project implementation, save labour cost and pay wages 20000 yuan, in sum, the application has that disposal of pollutants is little, low-loss, efficiency are high, the feature of cost reduction.
Accompanying drawing explanation
Fig. 1 frame structure schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
See Fig. 1, a kind of sugar clarification process for cleanly preparing, its technical process is as follows:
First settling tank mud juice can enter vacuum filter without cloth carry out filtering separation under the effect of vacuum filter without cloth, obtain filtered juice and filter mud, filter mud is for doing the raw material of Chemical Mixed Fertilizer or being directly supplied to peasant household to make base manure, filtered juice then enters filtered juice rapid subsidence system further solid-liquid separation under the effect of flocculation agent and obtains syrup and mud juice, the mud juice got then is got back to vacuum filter without cloth and is re-started filtration, the syrup obtained then carries out processing in juice case clearly, and the clear juice after process then enters evaporating pot and carries out evaporation concentration.
In filtered juice rapid subsidence system, be provided with filtered juice rapid subsidence pond, filtered juice carries out solid-liquid separation in the grid type rapid subsidence pond entered in rapid subsidence system after heating, according to a certain ratio interpolation flocculation agent.
In rapid subsidence pond, while filtered juice flows along tortuous grid claustra path to juice opening, the constantly sedimentation downwards of agent network particle gravitate is together flocculated in filtered juice, what obtain when arriving juice opening is peace and quiet syrup, mud juice is then discharged to vacuum filter without cloth filtration device by the spiral organ bottom rapid subsidence pond, grid type filtered juice rapid subsidence system is by the frequency conversion equilibrium conveying of filtered juice, Heating temperature, flocculation agent adds, the measures such as the automatic control of mud juice discharge, make filtered juice in equilibrium, rapid subsidence layering is realized under stable operating mode, obtain peace and quiet syrup.
The present invention has the following advantages:
Thoroughly solve the pollution problem of filter wash water distribution, because vacuum filter without cloth adopts stainless steel filtering net as filtration medium, stainless steel filtering net can use continuously and without the need to cleaning, so discharge without filter wash water distribution, thoroughly solve Closed Circulation in Sugar Production primary pollution source---the governing problem of filter wash water distribution, calculate according to this, annual minimizing discharge of wastewater 31200 tons (13 tons/hour × 24 × 100 days=31200 tons), be equivalent to few discharge COD 43.94 tons, SS10.14 ton, BOD26.36 ton, for new contribution has been made at protection Upper Reaches of Pearl River water source; 2, dry filter mud pol is low, and vacuum filter without cloth dry filter mud pol is reduced to 10.12% by original 21.04%.The sugared part loss taken away in filter mud in Closed Circulation in Sugar Production is reduced to 0.8% by original 1.71%, reduce by 0.91 percentage point, by the calculating of average each squeezing season process sugarcane 250,000 tons, fecund sugar 245 tons, by sugar market sale price in 2013 5500 yuan of calculating, increase income 122.5 ten thousand yuan, tax 20.8 ten thousand yuan, squeeze the application of producing in season by one, regained application the application nearly 50% investment; Filtered juice quality reaches and enters next process requirement, filtered juice after the process of sugar clarification new cleanproduction process, its turbidity greatly reduces, and brings up to 27MAU reach or close to the quality level of subsider juice, can directly enter next process process by 20 MAU before transforming; Filtered juice process sugar-free part Transformation Phenomenon, the purity difference of filtered juice gained syrup before and after rapid subsidence process is :+3.7 AP, and pH value difference is :+0.02, visible, and filtered juice transforms and syrup hyperchromism rapid subsidence treating processes sugar-free part; 98.47% is reached on 2012/13 year squeezing my the Products ratio of first-grade products of season that affects of White Sugar Quality, comparatively goes up 96.16 raising 2.31 % that squeezes season; This technology applies my Products steady quality afterwards, in the year comparation and assessment of national sugar industry Quality Supervision and Inspection Center, be chosen as excellent prize; Under colleague's condition, squeeze the working cost produced in season and reduce 14.67 ten thousand yuan, wherein power consumption is by implementing sugar clarification new cleanproduction process, is reduced to use 1 45KWh motor, brownout 105KWh by originally using 2 75KWh motors, economize on electricity every day 2520 KWh, by producing calculating in 100 days annual squeezing season, each squeezing electricity in season 252000KWh, 88.2 tons, signature coal, by mark coal price lattice 1120 yuan/ton of calculating at present, reduce working cost 9.87 ten thousand yuan; Filtration medium consumption then adopted originally will consume filter cloth 4 pieces, every block 3500 yuan in girdle type vacuum suction filter each squeezing season, and totally 2.8 ten thousand yuan, two machines, after using vacuum filter without cloth and filtered juice rapid system instead, need not consume filter cloth, cut down expenses 2.8 ten thousand yuan; Personal expenditures vacuum filter without cloth and filtered juice rapid system level of automation is high, stable performance, convenient operating maintenance, and without the need to tearing open, filter wash cloth, labour intensity is low, suction strainer and rapid subsidence post only need 2 bit manipulation workmans to satisfy the demand, and comparatively reduce recruitment 2 people before the project implementation, save labour cost and pay wages 20000 yuan, in sum, the application has that disposal of pollutants is little, low-loss, efficiency are high, the feature of cost reduction.
Claims (3)
1. a sugar clarification process for cleanly preparing, is characterized in that technical process is as follows:
First settling tank mud juice can enter vacuum filter without cloth carry out filtering separation under the effect of vacuum filter without cloth, obtain filtered juice and filter mud, filter mud is for doing the raw material of Chemical Mixed Fertilizer or being directly supplied to peasant household to make base manure, filtered juice then enters filtered juice rapid subsidence system further solid-liquid separation under the effect of flocculation agent and obtains syrup and mud juice, the mud juice got then is got back to vacuum filter without cloth and is re-started filtration, the syrup obtained then carries out processing in juice case clearly, and the clear juice after process then enters evaporating pot and carries out evaporation concentration.
2. sugar clarification process for cleanly preparing as claimed in claim 1, it is characterized in that: in filtered juice rapid subsidence system, be provided with filtered juice rapid subsidence pond, filtered juice carries out solid-liquid separation in the grid type rapid subsidence pond entered in rapid subsidence system after heating, according to a certain ratio interpolation flocculation agent.
3. sugar clarification process for cleanly preparing as claimed in claim 2, it is characterized in that: in rapid subsidence pond, while filtered juice flows along tortuous grid claustra path to juice opening, the constantly sedimentation downwards of agent network particle gravitate is together flocculated in filtered juice, what obtain when arriving juice opening is peace and quiet syrup, mud juice is then discharged to vacuum filter without cloth filtration device by the spiral organ bottom rapid subsidence pond, grid type filtered juice rapid subsidence system is by the frequency conversion equilibrium conveying of filtered juice, Heating temperature, flocculation agent adds, the measures such as the automatic control of mud juice discharge, make filtered juice in equilibrium, rapid subsidence layering is realized under stable operating mode, obtain peace and quiet syrup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574468.1A CN104310689A (en) | 2014-10-24 | 2014-10-24 | Sugar refining clarification clean production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574468.1A CN104310689A (en) | 2014-10-24 | 2014-10-24 | Sugar refining clarification clean production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104310689A true CN104310689A (en) | 2015-01-28 |
Family
ID=52366042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410574468.1A Pending CN104310689A (en) | 2014-10-24 | 2014-10-24 | Sugar refining clarification clean production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104310689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981492A (en) * | 2020-06-30 | 2020-11-24 | 广西国发能源科技有限公司 | Method for treating sugar refinery filter mud as steam power generation renewable fuel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202036828U (en) * | 2011-04-22 | 2011-11-16 | 广州甘蔗糖业研究所 | Grid baffle type rectangular fast settler forcibly discharging sludge and having pyramid bottom |
| CN103773902A (en) * | 2014-01-15 | 2014-05-07 | 广西大新县雷平永鑫糖业有限公司 | Filtered juice clarification method by saturated filling of flue gas |
-
2014
- 2014-10-24 CN CN201410574468.1A patent/CN104310689A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202036828U (en) * | 2011-04-22 | 2011-11-16 | 广州甘蔗糖业研究所 | Grid baffle type rectangular fast settler forcibly discharging sludge and having pyramid bottom |
| CN103773902A (en) * | 2014-01-15 | 2014-05-07 | 广西大新县雷平永鑫糖业有限公司 | Filtered juice clarification method by saturated filling of flue gas |
Non-Patent Citations (1)
| Title |
|---|
| 黄健泉: "泰国糖厂无滤布真空吸滤机技术简介", 《广西轻工业》, no. 3, 31 December 1994 (1994-12-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981492A (en) * | 2020-06-30 | 2020-11-24 | 广西国发能源科技有限公司 | Method for treating sugar refinery filter mud as steam power generation renewable fuel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104445680B (en) | A kind of waste disposal plant | |
| CN103739143A (en) | Beer wastewater treatment technology | |
| CN102515461A (en) | Sludge treatment system, sewage and sludge treatment system and treatment method | |
| CN202754866U (en) | Device for treating sewage in ceramic factory | |
| CN202849208U (en) | Wastewater treatment system during production of white spirit | |
| CN205133262U (en) | Water purification treatment device | |
| CN103739110A (en) | Glassware processing wastewater treatment technology | |
| CN102351364B (en) | Treatment method of wood chip washing waste water | |
| CN203904107U (en) | Treatment system for industrial wastewater of water supply plant | |
| CN104310689A (en) | Sugar refining clarification clean production process | |
| CN108947137A (en) | A kind of kitchen garbage percolation liquid treatment method | |
| CN211713175U (en) | Multi-stage mixing and clarifying extraction tank for purifying extractant | |
| CN201125201Y (en) | Combined type intermediate water treating eqiupment | |
| CN210620565U (en) | Sludge concentration dewatering system | |
| CN102702301A (en) | Novel process for extracting diosgenin | |
| CN200992514Y (en) | Waste water treating and concurrently classified collecting device for chemical laboratory | |
| CN104276687B (en) | A kind of method of animal protein feed in recycling casing processing-waste | |
| CN202482182U (en) | Sludge processing system and sewage and sludge processing system | |
| CN205933495U (en) | Device of electricity chemical treatment sewage | |
| CN205188014U (en) | Wet flue gas desulfurization effluent treatment plant of thermal power plant | |
| CN205011582U (en) | Offal drainage | |
| CN104692585A (en) | Process for treating urban domestic sewage | |
| CN210656567U (en) | River sediment treatment device | |
| CN209835814U (en) | Horizontal sedimentation tank for leachate treatment process of household garbage incineration plant | |
| CN105523664A (en) | Algin production wastewater pretreatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |