CN109336144A - A kind of method that aluminium trichloride waste water prepares carbon calcium aluminate - Google Patents
A kind of method that aluminium trichloride waste water prepares carbon calcium aluminate Download PDFInfo
- Publication number
- CN109336144A CN109336144A CN201811352730.2A CN201811352730A CN109336144A CN 109336144 A CN109336144 A CN 109336144A CN 201811352730 A CN201811352730 A CN 201811352730A CN 109336144 A CN109336144 A CN 109336144A
- Authority
- CN
- China
- Prior art keywords
- plate
- rack
- waste water
- aluminium trichloride
- filter
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/78—Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen
- C01F7/782—Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen containing carbonate ions, e.g. dawsonite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
Abstract
The present invention relates to a kind of methods that aluminium trichloride waste water prepares carbon calcium aluminate, include the following steps: (1) for a certain amount of technical calcium carbonate, calcium hydroxide and aluminium trichloride waste water while being added in full back-mixing rotating liquid-film reactor, the revolving speed for controlling rotor is 4000-6000rpm, two kinds of materials of solid-liquid are made to be sufficiently mixed, react at the gap between reactor rotor and stator, and 6-12min is stopped, gained nucleation slurries are discharged into crystallization device through discharge port；(2) crystallization temperature of controlling crystallizing reactor is 100-160 DEG C, is stirred to react 3-5h, filters and sediment is washed with deionized repeatedly to pH=7-8, finally how to dry 16-24h at 80-160 DEG C, obtains carbon aluminic acid calcium product.The present invention has the advantages that the method that aluminium trichloride waste water of the present invention prepares carbon calcium aluminate, realize the new process that carbon calcium aluminate is prepared using aluminium trichloride waste water, the production cost of carbon calcium aluminate is not only greatly lowered, also opens up a new way for the comprehensive utilization of aluminium trichloride waste water.
Description
Technical field
The invention belongs to organic synthesis wastewater treating technology field, in particular to a kind of aluminium trichloride waste water prepares carbon aluminic acid
The method of calcium.
Background technique
Aluminium trichloride waste water is in synthesis 2- (2,4- dihydroxy phenyl) -4,6- diphenyl -1,3,5-triazines or 2- (2,4-
Dihydroxy phenyl) -4,6- bis- both intermediates of (2,4- 3,5-dimethylphenyl) -1,3,5-triazines production process in generate,
Aluminium trichloride waste water is generally the diluted hydrochloric acid aqueous solution of the 4-8% of mass concentration containing alchlor, is directly discharged, meeting shadow significantly
Ring environment.
Finding a kind of method for recycling aluminium trichloride waste water is particularly important, currently, general method is to be added
The lye such as sodium hydroxide or quick lime generate aluminium chloride (aluminium polychloride), or aluminium chloride heat drying is formed
Solid basic aluminium chloride, or by aluminium chloride pyrolysis reduction, by the hydrogen chloride supplement chlorine of pyrolysis, chlorination is anhydrous trichlorine again
Change aluminium.
Carbon calcium aluminate is in layer structure, now synthesizes, be to be dissociated into hydration calcium ion first by milk of lime, be then hydrated
Calcium ion and sodium aluminate solution quickly form stratiform calcium aluminate hydrates, the CO in sodium aluminate solution3 2-By osmosis again with water
Close part OH in calcium aluminate-Displacement reaction occurs, forms carbon calcium aluminate, it is more expensive to prepare raw material.
In summary phenomenon, how using copper-containing wastewater prepare copper it is rough become technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method that aluminium trichloride waste water prepares carbon calcium aluminate, the preparations
Method realizes the comprehensive utilization of aluminium trichloride waste water, so that the leaching loss of aluminium trichloride waste water will not be caused, in turn results in secondary
Pollution.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of aluminium trichloride waste water prepares carbon calcium aluminate
Method, innovative point are: including the following steps:
(1) full back-mixing is added simultaneously in technical calcium carbonate, calcium hydroxide and aluminium trichloride waste water that mass ratio is 1:1:1.8 to rotate
In liquid film reactor, the revolving speed for controlling rotor is 4000-6000rpm, make two kinds of materials of solid-liquid reactor rotor and stator it
Between gap at be sufficiently mixed, react, and stop 6-12min, gained nucleation slurries are discharged into crystallization device through discharge port；
(2) crystallization temperature of controlling crystallizing reactor is 100-160 DEG C, is stirred to react 3-5h, filters and uses deionized water repeatedly
Washing precipitate to pH=7-8, finally how dry 16-24h at 80-160 DEG C, obtain carbon aluminic acid calcium product.
Further, filtering uses the filters pressing of dedicated processes filter press in described (2).
Further, the dedicated processes filter press specific structure be the dedicated wastewater treatment filter press include rack,
Thrust plate, filter frame, filter plate, stringer, pressure plate, oil cylinder, drying plate and control cabinet；The edge of the filter plate was embedded in
In filter frame, filter plate is in groove-like；The pressure plate is convex, matches with filter plate and merges the groove for being embedded in filter plate
It is interior, filter cloth is provided between filter plate and pressure plate；
The rack includes rack a and rack b, is vertically arranged in the both ends of filter press respectively, and the top of rack a and rack b are logical
It crosses stringer to be connected, guide rail is provided on stringer, the top of filter frame is connected on guide rail by sliding block, and filter frame is along guide rail
It is mobile to be laid with direction；
The thrust plate is parallel with rack, and positioned at the inner sidewall of rack, the shared a pair of thrust plate, one of thrust plate a is fixed
On the rack a of side, thrust plate b is connected with oil cylinder, and oil cylinder is perpendicular to rack b and passes through rack b promotion thrust plate in level
It is moved on direction；
The two sides that there is the drying plate a pair to be respectively placed in stringer, and drying plate is parallel with stringer, dries plate and control cabinet phase
Even.
Further, it is in hold-down mechanism that the filter plate and pressure plate, which cooperate, is set between two adjacent hold-down mechanisms
It is equipped with partition, the top of partition is connected on the guide rail of stringer by sliding block, and is moved along the extending direction of guide rail.
Further, it is equipped with a filtrate receiver between the rack a and rack b, the liquid isolated is exported into filtrate machine.
The present invention has the advantages that
(1) method that aluminium trichloride waste water of the present invention prepares carbon calcium aluminate realizes and prepares carbon aluminic acid using aluminium trichloride waste water
The new process of calcium is not only greatly lowered the production cost of carbon calcium aluminate, also opens for the comprehensive utilization of aluminium trichloride waste water
One new approach；
(2) method that aluminium trichloride waste water of the present invention prepares carbon calcium aluminate, wherein filter plate and compression in dedicated processes filter press
Using concave-convex type structure between plate, so that mixed material is entirely located in filter plate, prevent mixed material in the mistake of extruding
It is leaked outward in journey, improves the leakproofness of filter press, filters pressing effect is more preferable.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the main view that aluminium trichloride waste water of the present invention prepares dedicated processes filter press in the method for carbon calcium aluminate.
Fig. 2 is the side view that aluminium trichloride waste water of the present invention prepares dedicated processes filter press in the method for carbon calcium aluminate.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
Aluminium trichloride waste water of the present invention prepares dedicated processes filter press in the method for carbon calcium aluminate, as illustrated in fig. 1 and 2, packet
Including rack 1,, thrust plate 2,, filter frame 3,, filter plate 4,, stringer 5,, pressure plate 6,, oil cylinder 7,, drying plate 8,With control cabinet 9,；Institute
State filter plate 4,Edge be embedded in 3 in filter frame,, filter plate 4,In groove-like；The pressure plate 6,It is convex, with filtering
Plate 4,Match to merge and is embedded in filter plate 4,Groove in, filter plate 4,With pressure plate 6,Between be provided with filter cloth.
Rack 1,Including rack 11,With rack 12,, it is vertically arranged in the both ends of filter press, rack 11 respectively,With rack 12,
Top pass through stringer 5,It is connected, stringer 5,On be provided with guide rail 51,, filter frame 3,Top pass through sliding block 52,It is connected to guide rail
51,On, filter frame 3,Along guide rail 51,Laying direction it is mobile.
Thrust plate 2,With rack 1,In parallel, it is located at rack 1,Inner sidewall, thrust plate 2,Shared a pair, one of thrust
Plate 21,It is fixed on the rack 11 of side,On, thrust plate 22,With oil cylinder 7,It is connected, oil cylinder 7,Perpendicular to rack 12,And pass through rack
12,Thrust plate 2 is pushed, is moved in the horizontal direction.
Dry plate 8,Stringer 5 is respectively placed in a pair,Two sides, and dry plate 8,With stringer 5,In parallel, plate 8 is dried,With
Control cabinet 9,It is connected.
Filter plate 4,With pressure plate 6,Cooperating is in hold-down mechanism, is provided with partition between two adjacent hold-down mechanisms
10,, partition 10,Top pass through sliding block 52,It is connected to stringer 5,Guide rail 51,On, and along guide rail 51,Extending direction move
It is dynamic.
Rack 11,With rack 12,Between be equipped with a filtrate receiver 13,, the liquid isolated is exported into filtrate machine.
The working principle of the dedicated processes filter press is: by mixed material to filter plate 4,With pressure plate 6,It matches to be formed
Hold-down mechanism in, pass through oil cylinder 7,Drive thrust plate 2,And then squeeze filter plate 4,Space between pressure plate is to make to mix
It closes material and carries out solid and liquid phase separation, liquid passes through filtrate receiver 13,Filter press is exported, control cabinet 9 is passed through,Open drying plate 8,,
Solid is dried.
Embodiment 1
The method that the present embodiment aluminium trichloride waste water prepares carbon calcium aluminate, includes the following steps:
(1) aluminium trichloride waste water of the technical calcium carbonate of 1t, the calcium hydroxide of 1t and 1.8t is added to full back-mixing simultaneously and rotates liquid
In membrane reactor, the revolving speed for controlling rotor is 4000rpm, makes gap of the two kinds of materials of solid-liquid between reactor rotor and stator
Place is sufficiently mixed, reacts, and stops 12min, and gained nucleation slurries are discharged into crystallization device through discharge port；
(2) crystallization temperature of controlling crystallizing reactor is 100 DEG C, is stirred to react 5h, using dedicated processes filter press filters pressing and anti-
Deionized water washing sediment is multiplexed to pH=7, finally how at 80 DEG C it is dry for 24 hours, obtain carbon aluminic acid calcium product.
Embodiment 2
The method that the present embodiment aluminium trichloride waste water prepares carbon calcium aluminate, includes the following steps:
(1) aluminium trichloride waste water of the technical calcium carbonate of 1t, the calcium hydroxide of 1t and 1.8t is added to full back-mixing simultaneously and rotates liquid
In membrane reactor, the revolving speed for controlling rotor is 6000rpm, makes gap of the two kinds of materials of solid-liquid between reactor rotor and stator
Place is sufficiently mixed, reacts, and stops 6min, and gained nucleation slurries are discharged into crystallization device through discharge port；
(2) crystallization temperature of controlling crystallizing reactor is 160 DEG C, is stirred to react 3h, using dedicated processes filter press filters pressing and anti-
Deionized water washing sediment is multiplexed to pH=8, finally how dry 16h at 160 DEG C, obtain carbon aluminic acid calcium product.
Embodiment 3
The method that the present embodiment aluminium trichloride waste water prepares carbon calcium aluminate, includes the following steps:
(1) aluminium trichloride waste water of the technical calcium carbonate of 1t, the calcium hydroxide of 1t and 1.8t is added to full back-mixing simultaneously and rotates liquid
In membrane reactor, the revolving speed for controlling rotor is 5000rpm, makes gap of the two kinds of materials of solid-liquid between reactor rotor and stator
Place is sufficiently mixed, reacts, and stops 9min, and gained nucleation slurries are discharged into crystallization device through discharge port；
(2) crystallization temperature of controlling crystallizing reactor is 130 DEG C, is stirred to react 4h, using dedicated processes filter press filters pressing and anti-
Deionized water washing sediment is multiplexed to pH=7, finally how dry 20h at 120 DEG C, obtain carbon aluminic acid calcium product.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (5)
1. a kind of method that aluminium trichloride waste water prepares carbon calcium aluminate, characterized by the following steps:
(1) full back-mixing is added simultaneously in technical calcium carbonate, calcium hydroxide and aluminium trichloride waste water that mass ratio is 1:1:1.8 to rotate
In liquid film reactor, the revolving speed for controlling rotor is 4000-6000rpm, make two kinds of materials of solid-liquid reactor rotor and stator it
Between gap at be sufficiently mixed, react, and stop 6-12min, gained nucleation slurries are discharged into crystallization device through discharge port；
(2) crystallization temperature of controlling crystallizing reactor is 100-160 DEG C, is stirred to react 3-5h, filters and uses deionized water repeatedly
Washing precipitate is to pH=7-8, and finally the dry 16-24h at 80-160 DEG C, obtains carbon aluminic acid calcium product.
2. the method that aluminium trichloride waste water according to claim 1 prepares carbon calcium aluminate, it is characterised in that: in (2)
Filtering uses the filters pressing of dedicated processes filter press.
3. the method that aluminium trichloride waste water according to claim 2 prepares carbon calcium aluminate, it is characterised in that: the dedicated place
It includes rack, thrust plate, filter frame, filter plate, stringer, pressure that filter press specific structure, which is managed, as the dedicated wastewater treatment filter press
Tight plate, oil cylinder, drying plate and control cabinet；The edge of the filter plate is embedded in filter frame, and filter plate is in groove-like；The pressure
Tight plate is convex, merges in the groove for being embedded in filter plate with filter plate matching, filter is provided between filter plate and pressure plate
Cloth；
The rack includes rack a and rack b, is vertically arranged in the both ends of filter press respectively, and the top of rack a and rack b are logical
It crosses stringer to be connected, guide rail is provided on stringer, the top of filter frame is connected on guide rail by sliding block, and filter frame is along guide rail
It is mobile to be laid with direction；
The thrust plate is parallel with rack, and positioned at the inner sidewall of rack, the shared a pair of thrust plate, one of thrust plate a is fixed
On the rack a of side, thrust plate b is connected with oil cylinder, and oil cylinder is perpendicular to rack b and passes through rack b promotion thrust plate in level
It is moved on direction；
The two sides that there is the drying plate a pair to be respectively placed in stringer, and drying plate is parallel with stringer, dries plate and control cabinet phase
Even.
4. the method that aluminium trichloride waste water according to claim 3 prepares carbon calcium aluminate, it is characterised in that: the filter plate
Cooperating with pressure plate is in hold-down mechanism, is provided with partition between two adjacent hold-down mechanisms, the top of partition passes through sliding block
It is connected on the guide rail of stringer, and is moved along the extending direction of guide rail.
5. the method that aluminium trichloride waste water according to claim 3 prepares carbon calcium aluminate, it is characterised in that: the rack a
It is equipped with a filtrate receiver between rack b, the liquid isolated is exported into filtrate machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352730.2A CN109336144A (en) | 2018-11-14 | 2018-11-14 | A kind of method that aluminium trichloride waste water prepares carbon calcium aluminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352730.2A CN109336144A (en) | 2018-11-14 | 2018-11-14 | A kind of method that aluminium trichloride waste water prepares carbon calcium aluminate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109336144A true CN109336144A (en) | 2019-02-15 |
Family
ID=65315478
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|---|---|---|---|
| CN201811352730.2A Pending CN109336144A (en) | 2018-11-14 | 2018-11-14 | A kind of method that aluminium trichloride waste water prepares carbon calcium aluminate |
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|---|---|---|---|---|
| US3992217A (en) * | 1973-10-24 | 1976-11-16 | Lafarge (Societe Anonyme) | Composition of calcium carboaluminates and of tobermorites, process for its manufacture and its application |
| CN1579937A (en) * | 2003-07-31 | 2005-02-16 | 北京化工大学 | Method for preparing nano-level magnesium-aluminium hydrotalcite using bittern as raw material |
| CN1821169A (en) * | 2006-03-17 | 2006-08-23 | 北京化工大学 | Method for preparing ferrite film from anion type laminated compound |
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| CN105195148A (en) * | 2015-09-24 | 2015-12-30 | 博天环境集团股份有限公司 | Preparation method of carrying type lamellar bimetal composite oxide catalyst |
| CN205699645U (en) * | 2016-05-05 | 2016-11-23 | 江苏隆昌化工有限公司 | A kind of heavy metal containing wastewater treatment pressure filter |
| CN107089834A (en) * | 2017-03-17 | 2017-08-25 | 西安建筑科技大学 | A kind of carbon calcium aluminate composite powder and preparation method thereof |
| CN107311209A (en) * | 2017-07-06 | 2017-11-03 | 西安建筑科技大学 | A kind of carbon/calcium aluminate composite powder and preparation method thereof |
| CN108706620A (en) * | 2018-05-29 | 2018-10-26 | 西北工业大学 | Nano calcium hydroxide/magnalium carbonate form nano hydrotalcite nanocomposite and preparation method |
| CN108840356A (en) * | 2018-08-01 | 2018-11-20 | 江苏隆昌化工有限公司 | A kind of hydrated calcium chloroaluminate raw powder's production technology |
-
2018
- 2018-11-14 CN CN201811352730.2A patent/CN109336144A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992217A (en) * | 1973-10-24 | 1976-11-16 | Lafarge (Societe Anonyme) | Composition of calcium carboaluminates and of tobermorites, process for its manufacture and its application |
| CN1579937A (en) * | 2003-07-31 | 2005-02-16 | 北京化工大学 | Method for preparing nano-level magnesium-aluminium hydrotalcite using bittern as raw material |
| CN1821169A (en) * | 2006-03-17 | 2006-08-23 | 北京化工大学 | Method for preparing ferrite film from anion type laminated compound |
| CN101376722A (en) * | 2008-10-10 | 2009-03-04 | 北京化工大学 | Selective infrared absorption material with phosphor-containing intercalation structure, and preparation and use thereof |
| CN105195148A (en) * | 2015-09-24 | 2015-12-30 | 博天环境集团股份有限公司 | Preparation method of carrying type lamellar bimetal composite oxide catalyst |
| CN205699645U (en) * | 2016-05-05 | 2016-11-23 | 江苏隆昌化工有限公司 | A kind of heavy metal containing wastewater treatment pressure filter |
| CN107089834A (en) * | 2017-03-17 | 2017-08-25 | 西安建筑科技大学 | A kind of carbon calcium aluminate composite powder and preparation method thereof |
| CN107311209A (en) * | 2017-07-06 | 2017-11-03 | 西安建筑科技大学 | A kind of carbon/calcium aluminate composite powder and preparation method thereof |
| CN108706620A (en) * | 2018-05-29 | 2018-10-26 | 西北工业大学 | Nano calcium hydroxide/magnalium carbonate form nano hydrotalcite nanocomposite and preparation method |
| CN108840356A (en) * | 2018-08-01 | 2018-11-20 | 江苏隆昌化工有限公司 | A kind of hydrated calcium chloroaluminate raw powder's production technology |
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Application publication date: 20190215 |
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