CN106007220A - Ultrasonic catalyzed cross-linking-cellulose filter-pressing separation system - Google Patents
Ultrasonic catalyzed cross-linking-cellulose filter-pressing separation system Download PDFInfo
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- CN106007220A CN106007220A CN201610555269.5A CN201610555269A CN106007220A CN 106007220 A CN106007220 A CN 106007220A CN 201610555269 A CN201610555269 A CN 201610555269A CN 106007220 A CN106007220 A CN 106007220A
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- 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
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- 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
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- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- 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)
- Treatment Of Sludge (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an ultrasonic catalyzed cross-linking-cellulose filter-pressing separation system which is composed of three parts, namely, a dosing and premixing area, an ultrasonic catalyzed cross-linking reaction area and a filter-pressing tank. According to the system, the characteristic that cellulose can participate a crosslinking reaction in the presence of certain weak acid substances is utilized, citric acid is taken as a cross-linking agent, trisodium citrate is taken as a catalyst, the three materials are added into papermaking wastewater containing a large quantity of natural cellulose, then the mixture is sufficiently mixed, and an anhydride-esterification reaction between citric acid and natural cellulose is carried out under the action of catalytic activation of ultrasonic waves, so that a cellulose gel material having a space chemical cross-linking structure is generated. The cellulose gel material is insoluble in water and has a flocculating property, so that high-concentration COD in the papermaking wastewater can be purified at the same time, and the effect of simultaneously removing cellulose and COD in the papermaking wastewater is realized.
Description
Technical field
The present invention relates to a kind of Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system, belong to the field of waste water treatment in environmental conservation.
Background technology
Paper industry be China traditional use water rich and influential family, be also one of important polluter of causing water to pollute.At present, China's paper-making industrial waste water discharge capacity and COD discharge capacity all occupy the first place of all types of industries discharge capacity, paper industry is the most serious to the pollution of water environment, and it is not only the matter of utmost importance of China's industrial pollution caused by paper manufacturing preventing and treating, or China's industrial wastewater carries out the matter of utmost importance of process up to standard.According to statistics, the above papermaking in county of China and county and paper products industry wastewater discharge account for the 18.6% of whole nation industry total release, wherein process emission compliance amount and account for the 49.3% of paper-making industrial waste water total release.Paper waste results from each workshop section from copy paper of getting the raw materials ready, and kind of waste water is many, and contained pollutant kind is complicated, and if the most strictly administered, they all will produce serious pollution to environment.If waste water is the most treated is directly discharged in rivers not only severe contamination water source, will also result in the substantial amounts of wasting of resources.
Paper industry produces and is divided into two main technique stages, i.e. slurrying and copy paper.Slurrying is that the fiber in plant material is separated, and makes slurry, then through bleaching；Copy paper is then pulp dilution, molding, squeezes, dries, makes paper.These two techniques all consume substantial amounts of water, and often producing 1 ton of paper about needs 100 tons of water (wood pulp) to discharge to 400 tons (straw pulp), wherein most as waste water.Paper waste contains COD and concentration of suspension is the highest.
The waste water that slurrying produces, pollutes the most serious.Discharging waste water during pulp washing is pitchy, referred to as black liquor.Often produce 1 ton of paper pulp, discharge the black liquor about 10 tons of 10 Baume degrees (10 ° of Be ').Pollutant levels in black liquor are the highest, and BOD is up to 5000～40000mg/L, and fiber total amount is sometime up to product population more than 15%.The waste water that bleaching process is discharged also contains the materials such as acid, alkali.In copy paper technique, the waste water that paper machine front end is discharged, referred to as plain boiled water, wherein contains a large amount of fiber and the filler added in process of production and sizing material, is utility mostly.Black liquor and plain boiled water are the main waste water of paper industry.
Another big feature of paper waste is wherein to contain substantial amounts of cellulose and lignin, its water insoluble and organic solvent, and is difficult to be biodegradable.At present, in China's paper industry, cellulose processing method more typically includes: drag for sizing process and anaerobic acidification reaction etc..
(1) sizing process is dragged for:
A large amount of celluloses contained in paper waste, can produce low-grade carton board and package paper after recovered.Using the more paste-making method that drags at present is slanted screen and fibre recovery machine, and both approaches is all by physical filtering mode, filters large volume of cellulose in waste water and lumps, but is difficult to filter smaller size smaller cellulose, and overall to draining water quality improves contribution not quite.
(2) anaerobic acidification reaction:
Anaerobic acidification reaction is the biological agent utilizing the anaerobic bacterias such as methanogen, by to the control of temperature in reaction vessel, make anaerobic bacteria breed and make waste water be acidified rapidly, cellulose being carried out biological metabolism, thus it is degraded to small organic molecule and inorganic matter.But the method needs complex technological process, also needs to bigger equipment investment and floor space, is not suitable for promoting the use of on a large scale simultaneously.
At present, in existing process paper waste the method for cellulose have that technology path is single, treatment effect is undesirable, technique and equipment is complicated, cost is high, easily cause secondary pollution problems.Therefore, it is necessary to break away from existing treatment technology thinking, hew out and process the new way of cellulose in paper waste, and then develop cellulose treatment technology in the paper waste of a kind of new type.
Summary of the invention
nullFor solving the deficiencies in the prior art，The invention provides a kind of Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system，Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system is by dosing pre-mix zone、Catalyzed by Ultrasonic Wave cross-linking reaction district and pressure-filtering tank three part composition，It is provided with inlet valve foremost，Inlet valve is connected to dosing pre-mix zone by pipeline，This top, region is provided with 3 dosing shower nozzles，Middle part is provided with 1 stirrer paddle，Dosing pre-mix zone is connected to Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline，This region has been mounted side by side 6 supersonic generators，Catalyzed by Ultrasonic Wave cross-linking reaction district is connected to pressure-filtering tank by pipeline，Its top is provided with 1 set piston type filter-pressing device，Tank body lower part is left、Right both sides are respectively provided with 1 piston limit device，Piston limit device lower left is provided with that 1 set is electronic pushes away mud device，Right side is provided with mud row's mouth，1 set rustless steel fie screen is installed below，Tank body bottom is provided with water discharging valve.
Wherein, Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system is made up of three parts, this system is provided with inlet valve foremost, inlet valve is connected to dosing pre-mix zone by pipeline, this top, region is provided with 3 dosing shower nozzles, middle part is provided with 1 stirrer paddle, dosing pre-mix zone is connected to Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline, this region has been mounted side by side 6 supersonic generators, Catalyzed by Ultrasonic Wave cross-linking reaction district is connected to pressure-filtering tank by pipeline, its tank body uses stainless steel, its top is provided with 1 set piston type filter-pressing device, tank body lower part is left, right both sides are respectively provided with 1 piston limit device, piston limit device lower left is provided with that 1 set is electronic pushes away mud device, right side is provided with mud row's mouth, 1 set rustless steel fie screen is installed below, tank body bottom is provided with water discharging valve；nullAfter pH value regulation processes, the paper waste of (after process, pH value is 6.5 ~ 8.0) enters native system by being positioned at Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system inlet valve foremost，Waste water initially enters dosing pre-mix zone，Now，3 the dosing shower nozzles being positioned at this top, region add citric acid and trisodium citrate mixed solution in waste water，And be sufficiently mixed uniformly under the stirring of stirrer paddle，Afterwards，Waste water enters Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline，The pipe diameter in this region substantially diminishes，The pressure that can make waste water significantly increases，Simultaneously，6 supersonic generators are started working，In pipeline, waste water launches the ultrasound wave of characteristic frequency，Waste water is at trisodium citrate、Bigger pressure、And under triple catalytic action of ultrasound wave，Cellulose therein can react with citric acid generation cyclic anhydride-esterization，Generate a kind of cellulose gel material possessing space chemistry cross-linked structure，This material is water insoluble and has flocculating properties，Flocculation can occur in waste water，A large amount of COD form suspended thing in absorption waste water，Thereafter pressure-filtering tank is together entered with waste water，When pressure-filtering tank is accumulated enough waste water，The piston type filter-pressing device being positioned at its top starts，Waste water in tank body is compressed to piston limit device position，Owing to the cellulose gel mass volume in waste water is bigger，Rustless steel fie screen cannot be passed through，In pressure-filtering process，Can be trapped within rustless steel fie screen，And the waste water after filter pressing processes，Its COD content is remarkably decreased，Pressure-filtering tank is discharged by rustless steel fie screen and flowing water Valve，Enter next treatment process，Simultaneously，It is retained in the cellulose gel material on rustless steel fie screen and has adsorbed a large amount of COD in waste water，After filter-press dehydration，Leather hard mud can be formed，Promote by being positioned at the electronic mud device that pushes away of tank body lower left，Pressure-filtering tank is discharged from being positioned at tank body bottom-right mud row's mouth，Otherwise processed after centralized recovery；Wherein, the effect of pH value regulating reservoir is to regulate the pH value of waste water through primary sedimentation to 6.5 ~ 8.0, enters water pH value requirement with meet Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system；Wherein, the effect of Aeration tank is, by aerobic aeration process, COD remaining in waste water is carried out preliminary oxidation resolution process；Wherein, the effect in biological oxidation filter tank is that the COD to waste water residual carries out last deep purifying process.
Wherein, Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system, the running voltage of dosing shower nozzle is 30V, expulsion pressure scope is 10 ~ 35kg, in the citric acid-trisodium citrate mixed solution of its injection, the content of citric acid is 18.3%, and the content of trisodium citrate is 1.7%.
Wherein, the running voltage of the supersonic generator of Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system is 30V, it is possible to send the ultrasound wave that frequency range is 25500 ~ 28200Hz, and its service life is more than 11000h.
Wherein, Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system, the dischargeable capacity of pressure-filtering tank is 320m3, the running voltage of piston type filter-pressing device is 380V, and rated power is 3.5kW.
Waste water after being processed by native system, the removal efficiency of its cellulose is up to 97.8%.
It is an advantage of the current invention that:
(1) cellulose treatment technology thinking during native system has broken away from existing paper waste, the creative cellulose that make use of can crosslink the characteristic of reaction in the presence of some weak acid material, use suitable cross-linking reaction medicament and catalyst, and make use of the catalytic activation effect of ultrasound wave, cellulose generation cyclic anhydride-esterization is made to react, generate a kind of water insoluble and that there is flocculating properties cellulose gel material, operated by filter pressing again, can effectively remove the cellulose in waste water, its treatment effeciency can reach 97.8%.
(2) gelatinous mass generated due to cellulose crosslinked reaction has flocculating properties, it can occur flocculation precipitation reaction by COD contained with waste water when reaction generates, the COD content in waste water is made to significantly reduce, achieve and remove cellulose and the effect of COD in paper waste simultaneously, be greatly saved the subsequent treatment cost of waste water.
(3) native system uses citric acid as cross-linking agent, uses trisodium citrate as catalyst, and two kinds of reagent are the most nontoxic, thus eliminates the risk introducing the pollutant new, harm is bigger.
(4) native system principle is simple, and design and construction cost is relatively low, and treatment effect is preferable, and operation expense is the lowest, is conducive to popularization and application on a large scale.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system.
51-inlet valve, 52-dosing shower nozzle, 53-stirrer paddle, 54-supersonic generator, 55-piston type filter-pressing device, 56-piston limit device, 57-are electronic pushes away mud device, 58-rustless steel fie screen, 59-mud row mouth, 510-water discharging valve.
Detailed description of the invention
nullAs shown in Figure 1，Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system，Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system 5 is by dosing pre-mix zone、Catalyzed by Ultrasonic Wave cross-linking reaction district and pressure-filtering tank three part composition，This system is provided with inlet valve 51 foremost，Inlet valve 51 is connected to dosing pre-mix zone by pipeline，This top, region is provided with 3 dosing shower nozzles 52，Middle part is provided with 1 stirrer paddle 53，Dosing pre-mix zone is connected to Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline，This region has been mounted side by side 6 supersonic generators 54，Catalyzed by Ultrasonic Wave cross-linking reaction district is connected to pressure-filtering tank by pipeline，Its tank body uses stainless steel，Its top is provided with 1 set piston type filter-pressing device 55，Tank body lower part is left、Right both sides are respectively provided with 1 piston limit device 56，Piston limit device 56 lower left is provided with that 1 set is electronic pushes away mud device 57，Right side is provided with mud row's mouth 59，1 set rustless steel fie screen 58 is installed below，Tank body bottom is provided with water discharging valve 510；nullAfter pH value regulation processes, the paper waste of (after process, pH value is 6.5 ~ 8.0) enters native system by being positioned at Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system 5 inlet valve 51 foremost，Waste water initially enters dosing pre-mix zone，Now，3 the dosing shower nozzles 52 being positioned at this top, region add citric acid and trisodium citrate mixed solution in waste water，And be sufficiently mixed uniformly under the stirring of stirrer paddle 53，Afterwards，Waste water enters Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline，The pipe diameter in this region substantially diminishes，The pressure that can make waste water significantly increases，Simultaneously，6 supersonic generators 54 are started working，In pipeline, waste water launches the ultrasound wave of characteristic frequency，Waste water is at trisodium citrate、Bigger pressure、And under triple catalytic action of ultrasound wave，Cellulose therein can react with citric acid generation cyclic anhydride-esterization，Generate a kind of cellulose gel material possessing space chemistry cross-linked structure，This material is water insoluble and has flocculating properties，Flocculation can occur in waste water，A large amount of COD form suspended thing in absorption waste water，Thereafter pressure-filtering tank is together entered with waste water，When pressure-filtering tank is accumulated enough waste water，The piston type filter-pressing device 55 being positioned at its top starts，Waste water in tank body is compressed to piston limit device 56 position，Owing to the cellulose gel mass volume in waste water is bigger，Rustless steel fie screen 58 cannot be passed through，In pressure-filtering process，Can be trapped within rustless steel fie screen 58，And the waste water after filter pressing processes，Its COD content is remarkably decreased，Pressure-filtering tank is discharged by rustless steel fie screen 58 and flowing water Valve 510，Enter next treatment process，Simultaneously，It is retained in the cellulose gel material on rustless steel fie screen 58 and has adsorbed a large amount of COD in waste water，After filter-press dehydration，Leather hard mud can be formed，Promote by being positioned at the electronic mud device 57 that pushes away of tank body lower left，Pressure-filtering tank is discharged from being positioned at tank body bottom-right mud row's mouth 59，Otherwise processed after centralized recovery；Wherein, the effect of pH value regulating reservoir 4 is to regulate the pH value of waste water through primary sedimentation to 6.5 ~ 8.0, enters water pH value requirement with meet Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system 5；Wherein, the effect of Aeration tank 6 is, by aerobic aeration process, COD remaining in waste water is carried out preliminary oxidation resolution process；Wherein, the effect in biological oxidation filter tank 7 is that the COD to waste water residual carries out last deep purifying process, wherein, Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system 5, the running voltage of its dosing shower nozzle 52 is 30V, and expulsion pressure scope is 10 ~ 35kg, in the citric acid-trisodium citrate mixed solution of its injection, the content of citric acid is 18.3%, and the content of trisodium citrate is 1.7%；Wherein, Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system 5, the running voltage of its supersonic generator 54 is 30V, it is possible to send the ultrasound wave that frequency range is 25500 ~ 28200Hz, and its service life is more than 11000h；Wherein, Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system 5, the dischargeable capacity of its pressure-filtering tank is 320m3, the running voltage of its piston type filter-pressing device 55 is 380V, and rated power is 3.5kW.
Waste water after being processed by native system, the removal efficiency of its cellulose is up to 97.8%.
Claims (4)
- null1. a Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system，It is characterized in that，Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system is by dosing pre-mix zone、Catalyzed by Ultrasonic Wave cross-linking reaction district and pressure-filtering tank three part composition，It is provided with inlet valve foremost，Inlet valve is connected to dosing pre-mix zone by pipeline，This top, region is provided with 3 dosing shower nozzles，Middle part is provided with 1 stirrer paddle，Dosing pre-mix zone is connected to Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline，This region has been mounted side by side 6 supersonic generators，Catalyzed by Ultrasonic Wave cross-linking reaction district is connected to pressure-filtering tank by pipeline，Its top is provided with 1 set piston type filter-pressing device，Tank body lower part is left、Right both sides are respectively provided with 1 piston limit device，Piston limit device lower left is provided with that 1 set is electronic pushes away mud device，Right side is provided with mud row's mouth，1 set rustless steel fie screen is installed below，Tank body bottom is provided with water discharging valve.
- nullCatalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system the most according to claim 1，It is characterized in that，After pH value regulation processes, the paper waste of (after process, pH value is 6.5 ~ 8.0) enters native system by being positioned at Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system inlet valve foremost，Waste water initially enters dosing pre-mix zone，3 the dosing shower nozzles being now placed in this top, region add citric acid and trisodium citrate mixed solution in waste water，And be sufficiently mixed uniformly under the stirring of stirrer paddle，Waste water enters Catalyzed by Ultrasonic Wave cross-linking reaction district by pipeline afterwards，The pipe diameter in this region substantially diminishes，The pressure that can make waste water significantly increases，6 supersonic generators are started working simultaneously，In pipeline, waste water launches the ultrasound wave of characteristic frequency，Waste water is under the catalytic action of trisodium citrate and ultrasound wave，Cellulose therein can react with citric acid generation cyclic anhydride-esterization，Generate a kind of cellulose gel material possessing space chemistry cross-linked structure，This material is water insoluble and has flocculating properties，Flocculation can occur in waste water，A large amount of COD form suspended thing in absorption waste water，Thereafter pressure-filtering tank is together entered with waste water，When pressure-filtering tank is accumulated enough waste water，The piston type filter-pressing device being positioned at its top starts，Waste water in tank body is compressed to piston limit device position，Owing to the cellulose gel mass volume in waste water is bigger，Rustless steel fie screen cannot be passed through，In pressure-filtering process，Can be trapped within rustless steel fie screen，And the waste water after filter pressing processes，Its COD content is remarkably decreased，Pressure-filtering tank is discharged by rustless steel fie screen and flowing water Valve，Enter next treatment process，It is retained in the cellulose gel material on rustless steel fie screen simultaneously and has adsorbed a large amount of COD in waste water，After filter-press dehydration，Leather hard mud can be formed，Promote by being positioned at the electronic mud device that pushes away of tank body lower left，Pressure-filtering tank is discharged from being positioned at tank body bottom-right mud row's mouth，Otherwise processed after centralized recovery.
- Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system the most according to claim 1, it is characterized in that, the running voltage of the dosing shower nozzle of Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system is 30V, expulsion pressure scope is 10 ~ 35kg, in the citric acid-trisodium citrate mixed solution of its injection, the mass content of citric acid is 18.3%, and the mass content of trisodium citrate is 1.7%.
- Catalyzed by Ultrasonic Wave crosslinking-cellulose filter pressing piece-rate system the most according to claim 1, it is characterised in that the dischargeable capacity of pressure-filtering tank is 320m3, the running voltage of piston type filter-pressing device is 380V, and rated power is 3.5kW.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720535.9A CN110386734A (en) | 2016-07-15 | 2016-07-15 | A kind of Catalyzed by Ultrasonic Wave crosslinking-cellulose filters pressing separation system |
| CN201610555269.5A CN106007220B (en) | 2016-07-15 | 2016-07-15 | A kind of Catalyzed by Ultrasonic Wave crosslinking-cellulose filters pressing separation system |
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| CN201610555269.5A CN106007220B (en) | 2016-07-15 | 2016-07-15 | A kind of Catalyzed by Ultrasonic Wave crosslinking-cellulose filters pressing separation system |
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| CN201610555269.5A Active CN106007220B (en) | 2016-07-15 | 2016-07-15 | A kind of Catalyzed by Ultrasonic Wave crosslinking-cellulose filters pressing separation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746452A (en) * | 2016-12-13 | 2017-05-31 | 上海勘测设计研究院有限公司 | A kind of small-sized mud mechanism filter-pressing curing apparatus and application method |
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| CN105174568A (en) * | 2015-07-14 | 2015-12-23 | 安阳华森纸业有限责任公司 | Method used for ultrasonic treatment of waste water |
| CN105366786A (en) * | 2015-12-23 | 2016-03-02 | 杭州万事利丝绸科技有限公司 | Silk printing and dyeing wastewater treatment process based on cellulose flocculant |
| CN205222903U (en) * | 2015-12-15 | 2016-05-11 | 黄国平 | Novel papermaking wastewater treatment plant |
| CN105646721A (en) * | 2016-01-21 | 2016-06-08 | 中国科学院青岛生物能源与过程研究所 | Preparation method of nanocellulose fibrils |
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2016
- 2016-07-15 CN CN201910720535.9A patent/CN110386734A/en not_active Withdrawn
- 2016-07-15 CN CN201610555269.5A patent/CN106007220B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174568A (en) * | 2015-07-14 | 2015-12-23 | 安阳华森纸业有限责任公司 | Method used for ultrasonic treatment of waste water |
| CN205222903U (en) * | 2015-12-15 | 2016-05-11 | 黄国平 | Novel papermaking wastewater treatment plant |
| CN105366786A (en) * | 2015-12-23 | 2016-03-02 | 杭州万事利丝绸科技有限公司 | Silk printing and dyeing wastewater treatment process based on cellulose flocculant |
| CN105646721A (en) * | 2016-01-21 | 2016-06-08 | 中国科学院青岛生物能源与过程研究所 | Preparation method of nanocellulose fibrils |
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| 赵江: "《选煤概论》", 31 August 2011, 煤炭工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106746452A (en) * | 2016-12-13 | 2017-05-31 | 上海勘测设计研究院有限公司 | A kind of small-sized mud mechanism filter-pressing curing apparatus and application method |
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| CN106007220B (en) | 2019-09-06 |
| CN110386734A (en) | 2019-10-29 |
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