CN107398465A - A kind of processing method of aluminium ash - Google Patents
A kind of processing method of aluminium ash Download PDFInfo
- Publication number
- CN107398465A CN107398465A CN201710624497.8A CN201710624497A CN107398465A CN 107398465 A CN107398465 A CN 107398465A CN 201710624497 A CN201710624497 A CN 201710624497A CN 107398465 A CN107398465 A CN 107398465A
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- China
- Prior art keywords
- ash
- aluminium
- aluminium lime
- lime
- liquid
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 162
- 239000004411 aluminium Substances 0.000 title claims abstract description 161
- 238000003672 processing method Methods 0.000 title claims abstract description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 44
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000002912 waste gas Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 16
- 231100000719 pollutant Toxicity 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims description 37
- 239000010865 sewage Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 14
- 238000003723 Smelting Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims description 7
- 239000012495 reaction gas Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000003818 cinder Substances 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of processing method of aluminium ash, comprise the following steps：By water, 98% sulfuric acid and aluminium lime-ash are moved in reaction tank, draw the reincarnation of aluminium lime-ash into waste gas by 50 70min chemical reaction, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, remaining aluminium lime-ash is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, draw the reincarnation of aluminium lime-ash into waste gas by 50 70min chemical reaction, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda (sodium hydroxide), under conditions of 150 200 degrees Celsius, by the 60min of 6 procedure high-temperature process 50, so that reach the aluminium lime-ash without any pollutant.The present invention can be machined to aluminium lime-ash without any waste residue and waste water, and waste gas discharge is minimized, the re-using of waste is realized, avoids aluminium cinder pollution environment.Solid waste is thoroughly solved.
Description
Technical field
The present invention relates to aluminium ash processing technology field, more particularly to a kind of processing method of aluminium ash.
Background technology
High speed development from reform and opening-up eighties aluminum material factory, produces substantial amounts of aluminium waste slag.Part smelts individual workship will
After the coarse processing of aluminium lime-ash, around is disorderly buried, and the aluminium ash after processing also has a small amount of aluminum oxide, and last decade often descends acid rain,
Acid rain and the biochemical reaction of aluminium achromachia, cause soil to need by recovering, less than original state, to cause environmental pollution for many years.
2016, national environmental pollution thorough examination, aluminium ash pollutant one of cannot be classified as diffusiblely.Therefore, we have proposed a kind of aluminium
The processing method of ash, the research deep processing of aluminium ash to without any waste residue and waste water, waste gas discharge is minimized.
The content of the invention
The present invention proposes a kind of processing method of aluminium ash, to solve the problems mentioned in the above background technology.
The present invention proposes a kind of processing method of aluminium ash, comprises the following steps：
S1：Choose aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid and caustic soda（Sodium hydroxide）For raw material, and scattered guarantor is carried out to raw material
Deposit, deep processing processing is carried out to aluminium lime-ash, aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 50-60min is heated under conditions of 650-700 degrees Celsius, it is complete
It is standby into rear taking-up；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 50-65 degrees Celsius, the reincarnation of aluminium lime-ash is drawn into waste gas by 50-70min chemical reaction,
Waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage disposal
Water purification agent raw material, remaining aluminium lime-ash wait lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 50-65 degrees Celsius, by 50-70min chemistry
Reaction show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and filtered by the reincarnation of aluminium lime-ash
Liquid is collected, and liquid is sewage treatment water purification agent raw material, remaining aluminium lime-ash is standby；
S4：Finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda in S3（Sodium hydroxide）, and aluminium lime-ash is with burning
The weight ratio of alkali is 1：0.05, the cleaning of 6 procedures is carried out in service sink, under conditions of 150-200 degrees Celsius, by 6
Procedure high-temperature process 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
Preferably, the caustic soda 98% in S4 is specially sodium hydroxide.
A kind of processing method of aluminium ash proposed by the present invention, beneficial effect are：The processing method of aluminium ash can be aluminium
Lime-ash is machined to without any waste residue and waste water, and waste gas discharge is minimized, and generation sewage disposal is net in processing procedure
The raw material of aqua raw material and mixed mud, the re-using of waste is realized, avoid aluminium cinder pollution environment.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the processing method of aluminium ash proposed by the present invention.
Embodiment
With reference to specific embodiment and Fig. 1, the present invention will be further described.
Embodiment 1
The present invention proposes a kind of processing method of aluminium ash, comprises the following steps：
S1：Choose aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid and caustic soda 98%（Sodium hydroxide）For raw material, and raw material is disperseed
Preserve, aluminium lime-ash is processed, aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 50-60min is heated under conditions of 650-700 degrees Celsius, it is complete
It is standby into rear taking-up；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 115-120 degrees Celsius, draw the reincarnation of aluminium lime-ash into useless by 50-60min chemical reaction
Gas, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage
Water purification agent raw material is handled, remaining aluminium lime-ash waits lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 115-120 degrees Celsius, by 50-60min change
Learn reaction and show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and mistake by the reincarnation of aluminium lime-ash
Liquid is collected in filter, and liquid is sewage treatment water purification agent raw material, and remaining aluminium lime-ash is standby；
S4：Finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda, specially sodium hydroxide, and aluminium lime-ash in S3
With caustic soda（Sodium hydroxide）Weight ratio be 1：0.05, the cleaning of 6 procedures is carried out in service sink, at 150-200 degrees Celsius
Under conditions of, by 6 procedure high-temperature process 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
Embodiment 2
The present invention proposes a kind of processing method of aluminium ash, comprises the following steps：
S1：Choose aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid and caustic soda（Sodium hydroxide）For raw material, and scattered guarantor is carried out to raw material
Deposit, aluminium lime-ash is processed, aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 12min is heated under conditions of 650-700 degrees Celsius, after the completion of
Take out standby；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 115-120 degrees Celsius, draw the reincarnation of aluminium lime-ash into useless by 50-60min chemical reaction
Gas, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage
Water purification agent raw material is handled, remaining aluminium lime-ash waits lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 115-120 degrees Celsius, by 50-60min change
Learn reaction and show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and mistake by the reincarnation of aluminium lime-ash
Liquid is collected in filter, and liquid is sewage treatment water purification agent raw material, and remaining aluminium lime-ash is standby；
S4：Finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda, specially sodium hydroxide, and aluminium lime-ash in S3
Weight ratio with caustic soda is 1：0.05, the cleaning of 6 procedures is carried out in service sink, under conditions of 150-200 degrees Celsius, warp
Cross 6 procedure high-temperature process 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
Embodiment 3
The present invention proposes a kind of processing method of aluminium ash, comprises the following steps：
S1：Choose aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid and caustic soda 98%（Sodium hydroxide）For raw material, and raw material is disperseed
Preserve, aluminium lime-ash is processed, aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 50-60min is heated under conditions of 650-700 degrees Celsius, it is complete
It is standby into rear taking-up；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 115-120 degrees Celsius, draw the reincarnation of aluminium lime-ash into useless by 50-60min chemical reaction
Gas, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage
Water purification agent raw material is handled, remaining aluminium lime-ash waits lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 115-120 degrees Celsius, by 50-60min change
Learn reaction and show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and mistake by the reincarnation of aluminium lime-ash
Liquid is collected in filter, and liquid is sewage treatment water purification agent raw material, and remaining aluminium lime-ash is standby；
S4：Finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda, specially sodium hydroxide, and aluminium lime-ash in S3
It is 1 with caustic soda weight ratio：0.05, the cleaning of 6 procedures is carried out in service sink, under conditions of 150-200 degrees Celsius, is passed through
6 procedure high-temperature process 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
Embodiment 4
The present invention proposes a kind of processing method of aluminium ash, comprises the following steps：
S1：Choose aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid 31% and caustic soda 98%（Sodium hydroxide）For raw material, and raw material is carried out
Distributed and saved, aluminium lime-ash is processed, aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 50-60min is heated under conditions of 650-700 degrees Celsius, it is complete
It is standby into rear taking-up；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 62 degrees Celsius, the reincarnation of aluminium lime-ash is drawn into waste gas by 50-60min chemical reaction, useless
Gas cools down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage disposal water purification
Agent raw material, remaining aluminium lime-ash wait lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 115-120 degrees Celsius, by 50-60min change
Learn reaction and show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and mistake by the reincarnation of aluminium lime-ash
Liquid is collected in filter, and liquid is sewage treatment water purification agent raw material, and remaining aluminium lime-ash is standby；
S4：Finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda, specially sodium hydroxide, and aluminium lime-ash in S3
Weight ratio with caustic soda is 1：0.05, the cleaning of 6 procedures is carried out in service sink, under conditions of 150-200 degrees Celsius, warp
Cross 6 procedure high-temperature process 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
Embodiment 5
The present invention proposes a kind of processing method of aluminium ash, comprises the following steps：
S1：Choose aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid and 98% caustic soda（Sodium hydroxide）For raw material, and raw material is disperseed
Preserve, aluminium lime-ash is processed, aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 50-60min is heated under conditions of 650-700 degrees Celsius, it is complete
It is standby into rear taking-up；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 115-200 degrees Celsius, draw the reincarnation of aluminium lime-ash into useless by 50-60min chemical reaction
Gas, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage
Water purification agent raw material is handled, remaining aluminium lime-ash waits lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 115-120 degrees Celsius, by 50-60min change
Learn reaction and show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and mistake by the reincarnation of aluminium lime-ash
Liquid is collected in filter, and liquid is sewage treatment water purification agent raw material, and remaining aluminium lime-ash is standby；
S4：Finally by S3 in remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda, and caustic soda is specially sodium hydroxide, and aluminium
The weight of lime-ash and caustic soda ratio is 1：0.05, the cleaning of 6 procedures is carried out in service sink, in 150-200 degrees Celsius of condition
Under, by 6 procedure high-temperature process 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (2)
1. a kind of processing method of aluminium ash, it is characterised in that comprise the following steps：
S1：Aluminium lime-ash, water, 98% sulfuric acid, hydrochloric acid 31%, the raw material of caustic soda 99% are chosen, and distributed and saved is carried out to raw material, to aluminium ash
Slag is processed, and aluminium ash processing step is as follows：
A1, aluminium lime-ash moved in grinder, and to carrying out pulverization process, it is standby after the completion of crushing；
A2, the aluminium lime-ash after crushing inserted in high-temperature smelting pot, 50-60min is heated under conditions of 650-700 degrees Celsius, it is complete
It is standby into rear taking-up；
S2：Water in S1,98% sulfuric acid and aluminium lime-ash are moved in reaction tank, and the weight of water, 98% sulfuric acid and aluminium lime-ash
Than for 10：3：1, under conditions of 115-120 degrees Celsius, draw the reincarnation of aluminium lime-ash into useless by 50-70min chemical reaction
Gas, waste gas is cooled down to 0 DEG C into cold filtration processor and is converted into liquid, and liquid is collected by filtration, and liquid is sewage
Water purification agent raw material is handled, remaining aluminium lime-ash waits lower secondary response；
S3：Remaining aluminium lime-ash in S2 is inserted in reaction tank again, and 31% hydrochloric acid and water are added into reaction tank, and aluminium
The weight ratio of lime-ash, 31% hydrochloric acid and water is 1：10：3.3, under conditions of 115-120 degrees Celsius, by 50-70min change
Learn reaction and show that waste gas into waste gas, is cooled down to 0 DEG C into cold filtration processor and be converted into liquid, and mistake by the reincarnation of aluminium lime-ash
Liquid is collected in filter, and liquid is sewage treatment water purification agent raw material, and remaining aluminium lime-ash is standby；
S4：Finally by remaining aluminium lime-ash, aluminium lime-ash per ton adds 98% caustic soda, and the weight of aluminium lime-ash and caustic soda ratio in S3
For 1：0.05, the cleaning of 6 procedures is carried out in service sink, under conditions of 150-200 degrees Celsius, by 6 procedure high temperature
Handle 50-60min so that reach the aluminium lime-ash without any pollutant；
S5：Aluminium lime-ash without any pollutant is the raw material for processing mixed mud.
A kind of 2. processing method of aluminium ash according to claim 1, it is characterised in that：Caustic soda in S4 is specially hydrogen-oxygen
Change sodium.
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| CN201710624497.8A CN107398465A (en) | 2017-07-27 | 2017-07-27 | A kind of processing method of aluminium ash |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710624497.8A CN107398465A (en) | 2017-07-27 | 2017-07-27 | A kind of processing method of aluminium ash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028758A (en) * | 2021-11-19 | 2022-02-11 | 中南大学 | Aluminum ash solidification and stabilization medicament |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089240A (en) * | 1993-01-04 | 1994-07-13 | 郭静峰 | The manufacture method of water purification agent |
| CN102674422A (en) * | 2012-05-22 | 2012-09-19 | 李松 | Method for preparing flocculant liquid polyaluminum chloride from aluminum ash |
| CN104692503A (en) * | 2013-12-04 | 2015-06-10 | 青岛浩泰水务有限公司 | Environmentally-friendly aluminum salt-containing water purification agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114028758A (en) * | 2021-11-19 | 2022-02-11 | 中南大学 | Aluminum ash solidification and stabilization medicament |
| CN114028758B (en) * | 2021-11-19 | 2022-11-04 | 中南大学 | Aluminum ash solidification and stabilization medicament |
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