CN107324607A - The system of carbamazepine in a kind of removal waste water - Google Patents

The system of carbamazepine in a kind of removal waste water Download PDF

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Publication number
CN107324607A
CN107324607A CN201710728211.0A CN201710728211A CN107324607A CN 107324607 A CN107324607 A CN 107324607A CN 201710728211 A CN201710728211 A CN 201710728211A CN 107324607 A CN107324607 A CN 107324607A
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electrion
waste water
biopolymerization
rhodium
water
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潘豪杰
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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/14—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D223/18—Dibenzazepines; Hydrogenated dibenzazepines
    • C07D223/22—Dibenz [b, f] azepines; Hydrogenated dibenz [b, f] azepines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/02—Cellulose nitrate, i.e. nitrocellulose
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/34—Organic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/38—Organic compounds containing nitrogen
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/347—Use of yeasts or fungi

Abstract

Formation system etc. is dried the invention discloses a kind of processing system for removing carbamazepine in waste water, including the organic rhodium catalysis polymerization reaction trough of pH regulating reservoirs, coarse rack, inclined-plate clarifying basin, biopolymerization reactor, electrion, water purifying tank, weak nitrocotton.The system it is creative employ the technology path that physical means, chemical method are combined with microbiological treatment, pass through the direct effect of energy effect and polymerization catalyzed effect, high-energy produced by high-voltage arc is by N, N dialkyl ureas absorbs, the chemical bond of amine root and carbonyl therein is played pendulum by energy excitation, it is final to occur polymerisation generation cellulose nitrate granule thing and generation key is broken and recombinated under the surface catalysis of the rhodium of four carbonyl of dichloro two（Weak nitrocotton）, it is achieved thereby that the recycling of nitrogen resource.

Description

The system of carbamazepine in a kind of removal waste water
Technical field
The present invention relates to a kind of processing system for removing carbamazepine in waste water, the wastewater treatment neck belonged in environmental protection Domain.
Background technology
Carbamazepine (also known as carbadipimidine) is a kind of clinical conventional spirituality medicine, and its frequent and other drugs is together Using treating epileptics, depression and trigeminal neuralgia etc..Patient takes rear portion denominator body and its metabolite with excreta Into in water body environment.Therefore, the parent and metabolin of carbamazepine are often detected in sewage.The change of carbamazepine Scientific name claims to be 5H- dibenzo【b,f】Azatropylidene -5- formamides, are nitrogenous aromatic compounds, and chemical constitution is complicated, simultaneously Its concentration in waste water is very low, and existing sewage water treatment method is very difficult to the carbamazepine except low concentration.
But if the carbamazepine remained in waste water and environment can not be efficiently removed, then height is existed to human health The potential threat of risk.Therefore continue a kind of can effectively remove the processing system and method for carbamazepine in waste water.
The content of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of processing system for removing carbamazepine in waste water System, the system includes the organic rhodium catalysis polymerization of pH regulating reservoirs, coarse rack, inclined-plate clarifying basin, biopolymerization reactor, electrion Reactive tank, water purifying tank, weak nitrocotton drying formation system etc.；Wherein the waste water containing carbamazepine is adjusted by waste line into pH The import in pond is saved, the outlet of pH regulating reservoirs connects coarse rack by waste line, and the outlet of coarse rack is connected by waste line Inclined-plate clarifying basin, the outlet of inclined-plate clarifying basin connects biopolymerization reactor by waste line, biopolymerization reactor it is upper Portion's leakage fluid dram connects the organic rhodium catalysis polymerization reaction trough of electrion by waste line, and the organic rhodium catalysis polymerization of electrion is anti- The outlet of groove is answered to connect water purifying tank by waste line, the outlet of water purifying tank is by waste line by after the system is handled Purify and arranged outside water outlet, meanwhile, the nitrocellulose generated in the organic rhodium catalysis polymerization reaction trough of electrion is arranged by particulate matter Put mouth discharge, and enter weak nitrocotton and dry formation system, drying dehydration and compressing obtain weak nitrocotton and can be recovered Utilize；Wherein, biopolymerization inside reactor, which is secured, is attached with high activity circle rhodosporidium toruloides on multiple biopolymerization films, film Bacterium and Moraxella streptococcus etc., when waste water is contacted into biopolymerization reactor with biopolymerization film, Rhodosporidium toruloides The cyclic structure in carbamazepine molecule can be opened during biological activity with Moraxella streptococcus and make intermolecular generation Polymerisation, forms repeat unit for N, the larger molecular organicses of N- dialkyl ureas；Wherein, the organic rhodium catalysis polymerization of electrion The outer surface of reactive tank is enclosed with cell body insulating protective layer, and inside is silicon carbide ceramics structure, the upper right quarter of reactive tank be provided with into Penstock, lower left quarter is provided with flowing water Valve, and cell body middle body is provided with the rhodium porous aggregate of four carbonyl of dichloro two, anti-as polymerization Catalyst is answered, packing layer bottom is connected with multiple granular material discharged mouths, and arranged on left and right sides wallboard center is respectively provided with one high press Electrode, in reaction tank bottom arranged on left and right sides respectively equipped with a stirrer paddle, the waste water by biopolymerization reactor for treatment leads to The inlet valve for crossing the organic rhodium catalysis polymerization reaction trough of electrion enters inside reactive tank, and high-voltage discharging electrode is at interval of 0.1s An electrion is carried out, meeting is produced in reactive tank produced by the high-voltage arc for traversing cell body or so together, high-voltage arc High-energy is absorbed by N, N- dialkyl ureas, and the chemical bond of amine root and carbonyl therein is played pendulum by energy excitation, It is final to occur polymerisation generation nitric acid fibre and generation key is broken and recombinated under the surface catalysis of the rhodium of four carbonyl of dichloro two Crude granule thing is tieed up, the cellulose nitrate granule thing of generation is reacted directly from the discharge of granular material discharged mouth, meanwhile, purified by reaction Waste water afterwards is discharged reactive tank by flowing water Valve and entered in water purifying tank；Wherein, weak nitrocotton dries the effect of formation system It is that the cellulose nitrate granule thing for reacting generation is dehydrated and dried, then by extrusion molding, is finally made weak nitrocotton block and supplies Recycling.
The organic rhodium catalysis polymerization reaction trough of electrion, the discharge voltage range of its high-voltage discharging electrode is about 5500 ~ 8000V, the aperture of the rhodium filler of four carbonyl of dichloro two is 4.8mm, and specific surface area is 6.0cm2/ g, the dischargeable capacity of reactive tank is 200m3。
The drying temperature of weak nitrocotton drying formation system is 70 ~ 85 DEG C, and compressing weak nitrocotton block specifications are 1.5cm×1.0cm×1.0cm。
Weak nitrocotton is a kind of nitrogenous organic high molecular polymer, and its molecular formula is：[C6H7O2（ONO2）a（OH）3- A] n, wherein a is esterification degree, and n is the degree of polymerization.It belongs to one kind of nitrocellulose, and its profile is white fibrous, physical Matter is essentially identical with cotton.The nitrogen content of weak nitrocotton is 8 ~ 12%, available for production cinefilm, celluloid and zapon Deng material.
The advantage of the invention is that：
（1）The system has explored a kind of new model for removing low concentration carbamazepine in waste water, and creative employs thing The technology path that reason means, chemical method are combined with microbiological treatment, passes through the direct of energy effect and polymerization catalyzed effect Effect, the high-energy produced by high-voltage arc is by N, and N- dialkyl ureas absorbs, and the chemical bond of amine root and carbonyl therein is by energy Amount, which is excited, to play pendulum, and generation key is broken and recombinated under the surface catalysis of the rhodium of four carbonyl of dichloro two, finally Generation polymerisation generates cellulose nitrate granule thing,（Weak nitrocotton）, it is achieved thereby that the recycling of nitrogen resource.
（2）The system uses biopolymerization reactor, living in biology using Rhodosporidium toruloides and Moraxella streptococcus During dynamic cyclic structure in carbamazepine molecule can be opened and make intermolecular generation polymerisation, forming repeat unit is The larger molecular organicses of N, N- dialkyl ureas, so that carbamazepine molecule be enriched with, improve subsequent treatment electrion organic The treatment effeciency of rhodium catalysis polymerisation.
（3）The system employs the design of the rhodium porous aggregate of four carbonyl of dichloro two, waste water is fully sent out with catalyst Raw haptoreaction, improves transformation efficiency, improves the disposal ability of whole system.
（4）The rhodium polymerization catalyst of four carbonyl of dichloro two in the system has service life length and is not susceptible in catalyst Malicious the characteristics of, it is achieved thereby that the low O＆M cost and long-play of processing system.
（5）The catalytic reaction of the system is carried out in liquid matrix, therefore reaction efficiency and speed are controlled, can only Weak nitrocotton is generated, has prevented the generation of the higher strong nitrocotton of nitrogen content or collodion, is exploded so as to eliminate in operation Risk.
（6）Waste water after being handled by the system, the clearance of its carbamazepine reaches 99.9%, and weak nitrocotton Conversion ratio is more than 90%.
Brief description of the drawings
Fig. 1 is the equipment schematic diagram of the present invention.
In figure：1-pH regulating reservoirs, 2- coarse racks, 3- inclined-plate clarifying basins, 4- biopolymerizations reactor, 5- electrions are organic The weak nitrocotton drying formation system of rhodium catalysis polymerization reaction trough, 6- water purifying tanks, 7-
Fig. 2 is the schematic diagram of the organic rhodium catalysis polymerization reaction trough of electrion.
51- high-voltage discharging electrodes, the rhodium porous aggregate of four carbonyl of 52- dichloros two, 53- cell bodies insulating protective layer, 54- water intaking valves Door, 55- flowing water Valves, 56- stirrer paddles, the granular material discharged mouths of 57-.
Embodiment
The processing system of carbamazepine in a kind of removal waste water as shown in Figure 1, the system includes pH regulating reservoirs 1, thick lattice The organic rhodium catalysis polymerization reaction trough 5 of grid 2, inclined-plate clarifying basin 3, biopolymerization reactor 4, electrion, water purifying tank 6, weak nitrification Cotton drying formation system 7 etc.；Wherein the waste water containing carbamazepine enters pH regulating reservoirs 1 by waste line, is concentrated herein Keep in and pH is adjusted to 6.0-7.0, the outlet of pH regulating reservoirs 1 connects coarse rack 2 by waste line, removed at this in waste water Major diameter solid matter, the outlet of coarse rack 2 connects inclined-plate clarifying basin 3 by waste line, waste water is further removed herein In insoluble matter, the outlet of inclined-plate clarifying basin 3 passes through waste line and connects biopolymerization reactor 4, biopolymerization reactor 4 Inside secures and is attached with high activity Rhodosporidium toruloides and Moraxella streptococcus etc. on multiple biopolymerization films, film, when useless Water into biopolymerization reactor contacted with biopolymerization film when, Rhodosporidium toruloides and Moraxella streptococcus are in biological activity During the cyclic structure in carbamazepine molecule can be opened and make intermolecular generation polymerisation, formed repeat unit be N, The larger molecular organicses of N- dialkyl ureas, in favor of the progress of the organic rhodium catalysis polymerisation of follow-up electrion, biopolymerization The outlet of reactor 4 connects the organic rhodium catalysis polymerization reaction trough 5 of electrion, the organic rhodium catalysis of electrion by waste line The outer layer covers of polymerization reaction trough 5 have cell body insulating protective layer 53, and inside is silicon carbide ceramics structure, the dischargeable capacity of reactive tank For 200m3, the upper right quarter of reactive tank is provided with inlet valve 54, and lower left quarter is provided with flowing water Valve 55, and cell body middle body is provided with The rhodium porous aggregate 52 of four carbonyl of dichloro two, as polymerisation catalysts, the aperture of filler is 4.8mm, and specific surface area is 6.0cm2/ g, packing layer bottom is connected with granular material discharged mouth 57, and arranged on left and right sides wallboard center is respectively provided with an electrion Electrode 51, in reaction tank bottom arranged on left and right sides respectively equipped with a stirrer paddle 56, by the waste water of biopolymerization reactor for treatment Entered by the inlet valve 54 of the organic rhodium catalysis polymerization reaction trough 5 of electrion inside reactive tank, high-voltage discharging electrode 51 is every It is spaced 0.1s and carries out an electrion, discharge voltage range is 5500 ~ 8000V, can be produced in reactive tank and traverse groove together High-energy produced by the high-voltage arc of body or so, high-voltage arc is by the N in waste water, and N- dialkyl ureas absorbs, amine root therein Played pendulum, and issued in the surface catalysis of the rhodium of four carbonyl of dichloro two by energy excitation with the chemical bond of carbonyl Raw key is broken and recombinated, and ultimately generates cellulose nitrate granule thing（Weak nitrocotton）, react the cellulose nitrate granule thing of generation Directly discharged from granular material discharged mouth 57, meanwhile, the waste water after reaction purification discharges reactive tank simultaneously by flowing water Valve 55 Into in water purifying tank 6, the outlet of water purifying tank 6 will be arranged by waste line outside the purification water outlet after the system is handled, meanwhile, The nitrocellulose generated in the organic rhodium catalysis polymerization reaction trough 5 of electrion is discharged by granular material discharged mouth 57, and is entered Weak nitrocotton dries formation system 7, and weak nitrocotton drying is dehydrated and can be recycled after compressing；Wherein, weak nitrification The effect of cotton drying formation system 7 is that the cellulose nitrate granule thing for reacting generation is dehydrated and dried, then by extrusion molding, It is finally made weak nitrocotton block and supplies recycling, the drying temperature of its weak nitrocotton drying formation system is 70 ~ 85 DEG C, compacting The weak nitrocotton block specifications of shaping are 1.5cm × 1.0cm × 1.0cm, and the nitrogen content of weak nitrocotton is 8 ~ 12%.
Waste water after being handled by the system, the clearance of its carbamazepine reaches 99.9%, and the conversion of weak nitrocotton Rate is more than 90%.

Claims (2)

1. a kind of system for removing carbamazepine in waste water, it is characterised in that the system includes pH regulating reservoirs, coarse rack, swash plate The organic rhodium catalysis polymerization reaction trough of sedimentation basin, biopolymerization reactor, electrion, water purifying tank, weak nitrocotton drying shaping system System；Wherein the waste water containing carbamazepine enters the import of pH regulating reservoirs by waste line, and the outlet of pH regulating reservoirs passes through waste water Pipeline connects coarse rack, and the outlet of coarse rack connects inclined-plate clarifying basin by waste line, and the outlet of inclined-plate clarifying basin, which passes through, gives up Water pipeline connects biopolymerization reactor, and the top leakage fluid dram of biopolymerization reactor connects electrion by waste line to be had Machine rhodium catalysis polymerization reaction trough, the outlet of the organic rhodium catalysis polymerization reaction trough of electrion connects water purifying tank by waste line, The outlet of water purifying tank will be arranged by waste line outside the purification water outlet after the system is handled, meanwhile, the organic rhodium of electrion The nitrocellulose generated in catalytic polymerization groove is discharged by granular material discharged mouth, and enters weak nitrocotton drying shaping system System, drying dehydration and compressing obtain weak nitrocotton and can be recycled；Wherein, biopolymerization inside reactor is secured High activity Rhodosporidium toruloides and Moraxella streptococcus are attached with multiple biopolymerization films, film, when waste water enters biological poly- When conjunction reactor is contacted with biopolymerization film, Rhodosporidium toruloides and Moraxella streptococcus can be by cards during biological activity Cyclic structure in the molecule of horse Xiping is opened and makes intermolecular generation polymerisation, forms repeat unit for N, N- dialkyl ureas Macromolecular organic polymer；Wherein, the outer surface of the organic rhodium catalysis polymerization reaction trough of electrion is enclosed with cell body insulation protection Layer, inside is silicon carbide ceramics structure, and the upper right quarter of reactive tank is provided with inlet valve, and lower left quarter is provided with flowing water Valve, cell body Centre part is provided with the rhodium porous aggregate of four carbonyl of dichloro two, and as polymerisation catalysts, packing layer bottom is connected with multiple Grain thing floss hole, arranged on left and right sides wallboard center is respectively provided with a high-voltage discharging electrode, each in reaction tank bottom arranged on left and right sides Equipped with a stirrer paddle, the waste water by biopolymerization reactor for treatment passes through the organic rhodium catalysis polymerization reaction trough of electrion Inlet valve enter inside reactive tank, high-voltage discharging electrode carries out an electrion at interval of 0.1s, can in reactive tank The high-voltage arc for traversing cell body or so together is produced, the high-energy produced by high-voltage arc is absorbed by N, N- dialkyl ureas, wherein Amido and the chemical bond of carbonyl played pendulum by energy excitation, and make in the surface catalysis of the rhodium of four carbonyl of dichloro two It is broken and is recombinated with lower generation key, it is final to occur polymerisation generation cellulose nitrate granule thing, react the cellulose nitrate of generation Crude granule thing is directly discharged from granular material discharged mouth, meanwhile, the waste water after reaction purification is discharged by flowing water Valve to react Groove simultaneously enters in water purifying tank；Wherein, the effect of weak nitrocotton drying formation system is will to react the cellulose nitrate granule generated Thing is dehydrated and dried, then by extrusion molding, is finally made weak nitrocotton block and supplies recycling；
Wherein, the organic rhodium catalysis polymerization reaction trough of electrion, the discharge voltage range of its high-voltage discharging electrode for 5500 ~ 8000V, the aperture of the rhodium filler of four carbonyl of dichloro two is 4.8mm, and specific surface area is 6.0cm2/ g, the dischargeable capacity of reactive tank is 200m3；
Weak nitrocotton is a kind of nitrocellulose, is white fibrous, and nitrogen content is about 8 ~ 12%.
2. the system according to claim 1 for removing carbamazepine in waste water, it is characterised in that weak nitrocotton drying shaping The drying temperature of system is about 70 ~ 85 DEG C, and compressing weak nitrocotton block specifications are 1.5cm × 1.0cm × 1.0cm.
CN201710728211.0A 2015-12-22 2015-12-22 The system of carbamazepine in a kind of removal waste water Pending CN107324607A (en)

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CN107285577A (en) 2017-10-24
CN105481173A (en) 2016-04-13

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