CN109438246A - A kind of processing method and processing system of anthraquinone - Google Patents
A kind of processing method and processing system of anthraquinone Download PDFInfo
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- CN109438246A CN109438246A CN201811132012.4A CN201811132012A CN109438246A CN 109438246 A CN109438246 A CN 109438246A CN 201811132012 A CN201811132012 A CN 201811132012A CN 109438246 A CN109438246 A CN 109438246A
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- water
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- acidleach
- acid
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
Abstract
The invention discloses a kind of processing methods of anthraquinone, comprising: (1) anthraquinone is divided at least two batches of A, B and successively carries out nitration reaction, isolation, filters pressing, obtain cake containing acidleach；(2) acidleach cake will be contained to wash, and will obtain depickling filter cake and acid-bearing wastewater, wherein the acid-bearing wastewater of A batch is used for the washing of the isolation and/or the cake containing acidleach of B batch；(3) it is used for depickling filter cake to manufacture dyestuff.Method of the invention makes the acid-bearing wastewater of A batch for the washing of the isolation and/or the cake containing acidleach of B batch, realizes making full use of for water scouring water, to save water scouring water, reduces the discharge of acid-bearing wastewater, reduce cost of sewage disposal.
Description
Technical field
The invention belongs to chemical fields, specifically, being related to a kind of processing method of anthraquinone, further relate to the processing of kind of anthraquinone
System.
Background technique
At present when using solvent method production 1- amino anthraquinones, a large amount of unreacted anthraquinones and side reaction product can be isolated
Nitroanthraquinone.Since unsuitable method is utilized and handled, these a large amount of chemical substances are thrown away as " waste residue ".
A large amount of raw material had both been wasted in this way, also resulted in very big environmental pollution.To solve the above problems, the prior art proposes use
Waste residue manufactures dyestuff, and such as application No. is 03128056.0 Chinese patent applications.
In the technique for manufacturing dyestuff with anthraquinone, anthraquinone is dilute from acid by product by isolation after nitration reaction
It releases and comes, using filters pressing, filters pressing filter cake needs to wash off the spent acid in product with a large amount of water, then carries out next step reaction.
In the prior art, the spent acid water of generation is big, and processing cost is high.
In view of this present invention is specifically proposed.
Summary of the invention
The invention solves the first technical problem be to overcome the deficiencies of the prior art and provide a kind of processing side of anthraquinone
Method, the technical problem that discharge amount to solve washing water is high, processing cost is high.
The invention solves the second technical problem be to overcome the deficiencies of the prior art and provide a kind of processing system of anthraquinone
It unites, the technical problem that the discharge amount to solve washing water is high, processing cost is high.
To solve above-mentioned first technical problem, the present invention is using the basic conception of technical solution:
A kind of processing method of anthraquinone, comprising:
(1) anthraquinone is divided at least two batches of A, B and successively carries out nitration reaction, isolation, filters pressing, obtain cake containing acidleach；
(2) acidleach cake will be contained to wash, and will obtain depickling filter cake and acid-bearing wastewater, wherein use the acid-bearing wastewater of A batch
In the washing of the isolation and/or the cake containing acidleach of B batch；
(3) it is used for depickling filter cake to manufacture dyestuff.
Further, in step (2), the water-washing process of acid-bearing wastewater include at least the first water rinses successively carried out and
Second water rinses, the first water rinses and the second water rinses respectively include washing at least once, the first water rinses of A batch
Acid-bearing wastewater be used for the isolation of B batch, the acid-bearing wastewaters of the second water rinses of A batch is used for the washing of B batch cake containing acidleach.
Further, in step (2), the water-washing process of acid-bearing wastewater further includes carried out after the second water rinses
Three water rinses, third water rinses include washing at least once, and the acid-bearing wastewater of A batch third water rinses is used for B batch
The washing of the cake containing acidleach, and the laggard of the washing of B batch cake containing acidleach is used in the acid-bearing wastewater of the second water rinses of A batch
Row.
Further, in step (2), after being washed with cake containing acidleach of the acid-bearing wastewater of A batch to B batch, with new
Fresh water scouring water washes the cake containing acidleach of B batch.
Further, in step (2), first the acid-bearing wastewater of A batch is collected in water storage device, B batch carry out from
When analysis or the washing of the cake containing acidleach, then the acid-bearing wastewater of A batch is taken out from water storage device.
To solve above-mentioned first technical problem, the present invention may also is that using the basic conception of technical solution
A kind of processing method of anthraquinone, comprising:
(1) anthraquinone is successively subjected to nitration reaction, isolation, filters pressing, obtains cake containing acidleach；
(2) acidleach cake will be contained it is divided at least two batches of a, b and successively wash, and will obtain depickling filter cake and acid-bearing wastewater,
Wherein, the acid-bearing wastewater of a batch is used for the washing of b batch cake containing acidleach；
(3) it is used for depickling filter cake to manufacture dyestuff.
To solve above-mentioned second technical problem, the present invention is using the basic conception of technical solution:
A kind of processing system of anthraquinone, includes at least two processing units of A, B, and processing unit includes at least sequentially connected
For carrying out the nitrification installation of nitration reaction for anthraquinone, the separating device for being isolated to nitration product, being used for isolation
Product carries out the filter-pressing device of filters pressing, the water washing device for being washed to filter cake obtained by filters pressing, the washing dress of A processing unit
Water outlet is set to be connected with the separating device inlet of B processing unit and/or water washing device water inlet respectively.
Further, the water washing device water outlet warp of A processing unit can the first pipeline of on-off and the isolation of B processing unit
Device inlet is connected, through can the second pipeline of on-off be connected with the water washing device water inlet of B processing unit.
Further, the water washing device water inlet of B processing unit is also connected with fresh water scouring water water source.
Further, processing system further includes the first water storage device and the second water storage device for water storage, the first water storage
Device and the second water storage device respectively include at least one, the water washing device water outlet of A processing unit through can on-off third pipe
Road is connected with the first water storage device water inlet, and the first water storage device water outlet is filled through the isolation of the first pipeline and B processing unit
Inlet is set to be connected；The water washing device water outlet of A processing unit through can on-off the 4th pipeline and the water inlet of the second water storage device
Mouth is connected, and the second water storage device water outlet is connected through the second pipeline with the water washing device water inlet of B processing unit；
Preferably, the second water storage device includes the multiple of parallel connection.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
Method of the invention makes the acid-bearing wastewater of A batch for the washing of the isolation and/or the cake containing acidleach of B batch, realizes
Water scouring water makes full use of, to save water scouring water, reduces the discharge of acid-bearing wastewater, reduce sewage treatment at
This.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing is as a part of the invention, and for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 shows the flow diagram of processing method provided by the present invention,
Fig. 2 shows the structural schematic diagrams of processing system provided by the present invention.
In figure: 1, B processing unit separating device, 2, A processing unit water washing device, the 3, first water storage device, the 4, second storage
Water installations, the 5, first pipeline, 6, B processing unit water washing device, 7, B processing unit filter-pressing device, the 8, second pipeline, 9, third
Pipeline, the 10, the 4th pipeline.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figure 1, invention describes a kind of processing methods of anthraquinone, comprising: (1) anthraquinone is divided at least A, B two
A batch successively carries out nitration reaction, isolation, filters pressing, obtains cake containing acidleach；(2) acidleach cake will be contained to wash, and will obtain depickling
Filter cake and acid-bearing wastewater, wherein the acid-bearing wastewater of A batch is used for the washing of the isolation and/or the cake containing acidleach of B batch；(3)
It is used for depickling filter cake to manufacture dyestuff.
Method of the invention makes the acid-bearing wastewater of A batch for the washing of the isolation and/or the cake containing acidleach of B batch, realizes
Water scouring water makes full use of, to save water scouring water, reduces the discharge of acid-bearing wastewater, reduce sewage treatment at
This.
Correspondingly, as shown in Fig. 2, invention describes a kind of processing system of anthraquinone, A, B two processing are included at least
Unit, processing unit include at least the sequentially connected nitrification installation for carrying out nitration reaction for anthraquinone, for producing to nitrification
The separating device that object is isolated, is used to carry out filter cake obtained by filters pressing at the filter-pressing device for carrying out isolation product filters pressing
The water washing device of washing, 2 water outlet of water washing device of A processing unit respectively with 1 inlet of separating device of B processing unit and/
Or water washing device water inlet is connected.
Processing system of the invention make A processing unit water washing device 2 be discharged flow to B processing unit separating device 1 and/
Or water washing device, it realizes making full use of for water scouring water, to save water scouring water, reduces the discharge of acid-bearing wastewater, drop
Low cost of sewage disposal.
Embodiment one
As shown in Figure 1, in method, in step (2), the water-washing process of acid-bearing wastewater includes at least successive in the present embodiment
The first water rinses and the second water rinses carried out, the first water rinses and the second water rinses respectively include water at least once
It washes.The acid-bearing wastewater of the first water rinses of A batch is used for the isolation of B batch；The acid-bearing wastewater of the second water rinses of A batch is used
In the washing of B batch cake containing acidleach.
Preferably, in step (2), the water-washing process of acid-bearing wastewater further includes the third carried out after the second water rinses
Water rinses, third water rinses include washing at least once, and the acid-bearing wastewater of A batch third water rinses contains for B batch
The washing of acidleach cake, and carried out after washing of the acid-bearing wastewater of the second water rinses of A batch for B batch cake containing acidleach.
Correspondingly, as shown in Fig. 2, in processing system, 2 water outlet of water washing device of A processing unit through can on-off the
One pipeline 5 is connected with 1 inlet of separating device of B processing unit, through can on-off the second pipeline 8 and B processing unit water
6 water inlet of cleaning device is connected.
Embodiment two
The difference of the present embodiment and above-described embodiment one is, in method, in step (2), with the acid-bearing wastewater pair of A batch
After the cake containing acidleach of B batch is washed, washed with containing acidleach cake of the fresh water scouring water to B batch.
In the present invention, the cake containing acidleach with fresh water scouring water to first batch of time is washed.
Correspondingly, in processing system, 6 water inlet of water washing device of B processing unit also with fresh water scouring water water source
It is connected.
Embodiment three
As shown in Figure 1, the difference of the present embodiment and above-described embodiment one, two is, in method, in step (2), first by A
The acid-bearing wastewater of batch is collected in water storage device, when B batch carries out the washing of isolation or the cake containing acidleach, then by A batch
Acid-bearing wastewater takes out from water storage device.
Correspondingly, as shown in Fig. 2, processing system further includes filling for the first water storage device 3 of water storage and the second water storage
4 are set, the first water storage device 3 and the second water storage device 4 respectively include at least one, 2 water outlet of the water washing device warp of A processing unit
Can the third pipeline 9 of on-off be connected with 3 water inlet of the first water storage device, 3 water outlet of the first water storage device through the first pipeline 5 with
1 inlet of separating device of B processing unit is connected；2 water outlet of water washing device of A processing unit through can on-off the 4th pipeline
10 are connected with 4 water inlet of the second water storage device, washing of 4 water outlet of the second water storage device through the second pipeline 8 and B processing unit
6 water inlet of device is connected.The filter-pressing device 7 of B processing unit is as shown in Figure 2.
Preferably, the second water storage device 4 includes the multiple of parallel connection.
A processing unit and B processing unit can manage unit for same place, i.e., same processing cell operation is multiple, according to elder generation
It is sequentially set as A processing unit and B processing unit afterwards.
Specific method of the invention is that washing water is divided into three parts.A batch filter cake closes after successively being washed with three parts of water
Lattice, washing water Fractional Collections.First part of washing water is for next batch, that is, B batch reaction isolation, and second part of washing water is for B batches
Secondary response once washes use.Third part washing water is used for the secondary washing of B batch.Then one section of fresh water is reused to filter
Cake is washed to qualification.Circulating water wash is successively used, the method for only arranging mother liquor reduces the dosage of washing water.
Example IV
In the present embodiment, the present invention also describes a kind of processing method of anthraquinone, comprising: (1) anthraquinone is successively carried out nitre
Change reaction, isolation, filters pressing, obtains cake containing acidleach；(2) acidleach cake will be contained it is divided at least two batches of a, b and successively wash, will obtain
To depickling filter cake and acid-bearing wastewater, wherein the acid-bearing wastewater of a batch is used for the washing of b batch cake containing acidleach；(3) by depickling
Filter cake is for manufacturing dyestuff.
The water-washing process of acid-bearing wastewater includes at least the second water rinses and third water rinses successively carried out, the second water
It washes the stage and third water rinses respectively includes washing at least once；The second water rinses of a batch and third water rinses contain
Sour waste water is successively used for the washing of b batch cake containing acidleach,
In step (2), after being washed with cake containing acidleach of the acid-bearing wastewater of a batch to b batch, used with fresh washing
Water washes the cake containing acidleach of b batch.In step (2), first the acid-bearing wastewater of a batch is collected in water storage device, b
When batch carries out the washing of the cake containing acidleach, then the acid-bearing wastewater of a batch taken out from water storage device.
Correspondingly, a kind of processing system of anthraquinone, including processing unit, processing unit include at least sequentially connected use
In carrying out the nitrification installation of nitration reaction, the separating device for being isolated to nitration product, for producing to isolation for anthraquinone
Object carries out the filter-pressing device of filters pressing, the water washing device for being washed to filter cake obtained by filters pressing, and water washing device includes at least a, b
Two, a water washing device water outlet is connected with b water washing device water inlet.
A water washing device water outlet through can the second pipeline 8 of on-off be connected with b water washing device water inlet.Processing system is also
Including being used for the second water storage device of water storage 4, the second water storage device 4 respectively includes at least one, and a water washing device water outlet can be led to
The 4th disconnected pipeline 10 is connected with 4 water inlet of the second water storage device, and 4 water outlet of the second water storage device is through the second pipeline 8 and b water
Cleaning device water inlet is connected.Preferably, the second water storage device 4 includes the multiple of parallel connection.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of processing method of anthraquinone, it is characterised in that: include:
(1) anthraquinone is divided at least two batches of A, B and successively carries out nitration reaction, isolation, filters pressing, obtain cake containing acidleach；
(2) acidleach cake will be contained to wash, and will obtain depickling filter cake and acid-bearing wastewater, wherein the acid-bearing wastewater of A batch is used for B
The washing of the isolation and/or the cake containing acidleach of batch；
(3) it is used for depickling filter cake to manufacture dyestuff.
2. a kind of processing method of anthraquinone according to claim 1, it is characterised in that: in step (2), the water of acid-bearing wastewater
It washes journey and includes at least the first water rinses and the second water rinses successively carried out, the first water rinses and the second water rinses
It respectively includes washing at least once；The acid-bearing wastewater of the first water rinses of A batch is used for the isolation of B batch, and A batch second is washed
The acid-bearing wastewater in stage is used for the washing of B batch cake containing acidleach.
3. a kind of processing method of anthraquinone according to claim 2, it is characterised in that: in step (2), the water of acid-bearing wastewater
Washed journey further includes the third water rinses carried out after the second water rinses, and third water rinses include water at least once
It washes；The acid-bearing wastewater of A batch third water rinses is used for the washing of B batch cake containing acidleach, and in the second water rinses of A batch
Acid-bearing wastewater after the washing of B batch cake containing acidleach for carrying out.
4. a kind of processing method of anthraquinone according to claim 1, it is characterised in that: in step (2), with containing for A batch
After sour waste water washes the cake containing acidleach of B batch, washed with containing acidleach cake of the fresh water scouring water to B batch.
5. a kind of processing method of anthraquinone according to claim 1, it is characterised in that: in step (2), first by A batch
Acid-bearing wastewater is collected in water storage device, when B batch carries out the washing of isolation or the cake containing acidleach, then giving up containing acid by A batch
Water takes out from water storage device.
6. a kind of processing method of anthraquinone, it is characterised in that: include:
(1) anthraquinone is successively subjected to nitration reaction, isolation, filters pressing, obtains cake containing acidleach；
(2) acidleach cake will be contained it is divided at least two batches of a, b and successively wash, and will obtain depickling filter cake and acid-bearing wastewater, wherein
The acid-bearing wastewater of a batch is used for the washing of b batch cake containing acidleach；
(3) it is used for depickling filter cake to manufacture dyestuff.
7. a kind of processing system of anthraquinone, it is characterised in that: include at least two processing units of A, B, processing unit includes at least
It is sequentially connected for for anthraquinone carry out the nitrification installation of nitration reaction, the separating device for being isolated to nitration product,
Filter-pressing device for carrying out filters pressing to isolation product, the water washing device for being washed to filter cake obtained by filters pressing, A processing are single
The water washing device water outlet of member is connected with the separating device inlet of B processing unit and/or water washing device water inlet respectively.
8. a kind of processing system of anthraquinone according to claim 7, it is characterised in that: the water washing device of A processing unit goes out
The mouth of a river through can the first pipeline of on-off be connected with the separating device inlet of B processing unit, through can on-off the second pipeline and B
The water washing device water inlet of processing unit is connected.
9. a kind of processing system of anthraquinone according to claim 7, it is characterised in that: the water washing device of B processing unit into
The mouth of a river is also connected with fresh water scouring water water source.
10. a kind of processing system of anthraquinone according to claim 8, it is characterised in that: processing system further includes for storing up
The first water storage device and the second water storage device of water, the first water storage device and the second water storage device respectively include at least one, at A
The water washing device water outlet of reason unit through can the third pipeline of on-off be connected with the first water storage device water inlet, the first water storage fills
It sets water outlet and is connected through the first pipeline with the separating device inlet of B processing unit；The water washing device water outlet of A processing unit
Through can the 4th pipeline of on-off be connected with the second water storage device water inlet, the second water storage device water outlet is through the second pipeline and B
The water washing device water inlet of processing unit is connected；
Preferably, the second water storage device includes the multiple of parallel connection.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436800A (en) * | 2022-01-26 | 2022-05-06 | 重庆毂运科技有限公司 | Acid-out alkali-washing separation system and process for 2-ethyl anthraquinone crude product |
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| CN107106961A (en) * | 2014-10-02 | 2017-08-29 | 科思创德国股份有限公司 | The waste gas purification in method for continuously producing dinitrotoluene (DNT) |
| CN104447367A (en) * | 2014-11-24 | 2015-03-25 | 苏州市罗森助剂有限公司 | Preparation method of 1-amino-anthraquinone |
| CN107446381A (en) * | 2017-07-13 | 2017-12-08 | 青岛海湾集团有限公司 | The method that nitrating wasting acid of Disperse Blue-56 recycles |
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