CN110948669A - Baking-free brick processing system for producing cement from barium-containing slag mud - Google Patents
Baking-free brick processing system for producing cement from barium-containing slag mud Download PDFInfo
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- CN110948669A CN110948669A CN201911229920.XA CN201911229920A CN110948669A CN 110948669 A CN110948669 A CN 110948669A CN 201911229920 A CN201911229920 A CN 201911229920A CN 110948669 A CN110948669 A CN 110948669A
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- Prior art keywords
- stirring
- barium
- reaction
- baking
- bin
- Prior art date
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Links
- 229910052788 barium Inorganic materials 0.000 title claims abstract description 51
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000002893 slag Substances 0.000 title claims abstract description 47
- 239000011449 brick Substances 0.000 title claims abstract description 42
- 239000004568 cement Substances 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 title claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 79
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000007605 air drying Methods 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000012295 chemical reaction liquid Substances 0.000 claims description 3
- 239000012776 electronic material Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 10
- 239000013049 sediment Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 7
- 229910001422 barium ion Inorganic materials 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 239000002910 solid waste Substances 0.000 description 5
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000009776 industrial production Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 159000000009 barium salts Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
- B28B13/0235—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material
Abstract
The application discloses with barium-containing sediment system cement baking-free brick processing system compares with prior art, specifically includes: a reaction stirring device; the filtering device is connected with the reaction stirring device; a Roots blower connected with the reaction stirring device; a settling tank in communication with the filtration device; the reaction mixer is connected with the filtering device through a material conveying mechanism; a reaction kettle connected with the settling tank; the first filter pressing device is connected with the reaction kettle; a washing and cleaning device connected with the reaction kettle; the second filter pressing device is connected with the washing and cleaning device; the air drying bin is connected with the second filter pressing device; a mixing and stirring bin connected with the air drying bin; the full-automatic brick making machine is connected with the mixing and stirring bin through a packing auger transmission mechanism; and the packaging device is connected with the full-automatic brick making machine through a belt conveyor. The system for treating the baking-free bricks by using the barium-containing slag sludge can realize harmless treatment of the barium-containing slag sludge, reasonably utilizes the barium-containing slag sludge as resources, produces the baking-free bricks by using the cement, and improves the resource utilization rate.
Description
Technical Field
The application relates to the technical field of barium slag treatment, in particular to a baking-free brick treatment system for producing cement from barium-containing slag mud.
Background
The industrial solid waste refers to solid waste generated in industrial production activities, is a kind of solid waste, is called industrial waste for short, is various waste residues, dust and other waste discharged into the environment in the industrial production process, barium slag is common industrial solid waste, and waste obtained by roasting barite and coal into clinker in the production of barium salt series contains water-soluble barium and acid-soluble barium, is strong alkaline and belongs to dangerous solid waste.
During the storage and stacking process of barium slag which is not subjected to harmless treatment, barium ions, particularly water-soluble barium ions are easy to permeate into underground water to cause pollution of underground water, poisoning can be caused after people drink the barium slag, and the safe treatment of the barium slag is an important problem in the industrial production of barium salt.
Therefore, how to provide a baking-free brick treatment system for producing cement from barium-containing slag mud, which can realize the harmless treatment of the barium-containing slag mud and reasonably utilize the barium-containing slag mud as resources, has become a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
In order to solve the technical problem, the application provides a system for processing baking-free bricks by using barium-containing slag mud, which can realize the harmless treatment of the barium-containing slag mud, reasonably utilize the barium-containing slag mud as resources, produce the baking-free bricks by using cement, and improve the resource utilization rate.
The technical scheme provided by the application is as follows:
the application provides a system for processing baking-free bricks by using barium-containing slag cement, which specifically comprises: a reaction stirring device; the filtering device is connected with the reaction stirring device; the Roots blower is connected with the reaction stirring device; a settling tank in communication with the filtration device; the reaction mixer is connected with the filtering device through a material conveying mechanism; the reaction kettle is connected with the settling tank; the first filter pressing device is connected with the reaction kettle; the washing and cleaning device is connected with the reaction kettle; the second filter pressing device is connected with the washing and cleaning device; the air drying bin is connected with the second filter pressing device; the mixing and stirring bin is connected with the air drying bin; the full-automatic brick making machine is connected with the mixing and stirring bin through a packing auger transmission mechanism; and the packaging device is connected with the full-automatic brick making machine through a belt conveyor.
Further, in a preferred mode of the present invention, an electronic material moisture content detector is further disposed on the air drying bin.
Further, in a preferred mode of the present invention, the mixing and stirring bin includes: a cartridge main body; the stirring motor is arranged on the bin main body; the stirring main shaft is connected with the stirring motor; with stirring main shaft fixed connection's stirring rake, the stirring rake encircles the (mixing) shaft sets up, the stirring rake is 6 ~ 8.
Further, in a preferred mode of the present invention, the filter device is a vacuum belt filter.
Further, in a preferred mode of the present invention, the reaction mixer is specifically a double helix mixer.
Further, in a preferred mode of the present invention, the baking-free brick processing system for producing cement from barium-containing slag cement further comprises: and the electronic metering belt scale is connected with the double-helix mixer.
Further, in a preferred mode of the present invention, the baking-free brick processing system for producing cement from barium-containing slag cement further comprises: and a reaction liquid metering tank connected with the stirring device.
Further, in a preferred aspect of the present invention, the stirring device includes: a mixing cylinder; the driving mechanism is arranged on the stirring cylinder body; the stirring shaft is connected with the driving mechanism; the helical blade is arranged on the stirring shaft; the stirring pin is fixedly arranged on the helical blade; the material stirring baffle is arranged on the inner wall of the stirring cylinder body.
Compared with the prior art, the baking-free brick processing system for producing cement from barium-containing slag mud provided by the invention specifically comprises the following steps: a reaction stirring device; the filtering device is connected with the reaction stirring device; the Roots blower is connected with the reaction stirring device; a settling tank in communication with the filtration device; the reaction mixer is connected with the filtering device through a material conveying mechanism; the reaction kettle is connected with the settling tank; the first filter pressing device is connected with the reaction kettle; the washing and cleaning device is connected with the reaction kettle; the second filter pressing device is connected with the washing and cleaning device; the air drying bin is connected with the second filter pressing device; the mixing and stirring bin is connected with the air drying bin; the full-automatic brick making machine is connected with the mixing and stirring bin through a packing auger transmission mechanism; and the packaging device is connected with the full-automatic brick making machine through a belt conveyor. The system for treating the baking-free bricks by using the barium-containing slag sludge can realize harmless treatment of the barium-containing slag sludge, reasonably utilizes the barium-containing slag sludge as resources, produces the baking-free bricks by using the cement, and improves the resource utilization rate.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a baking-free brick processing system for producing cement from barium-containing slag cement according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the proportion referred to in the specification is not specifically illustrated, but rather, the structure, proportion, size, etc. are shown in the drawings for the purpose of matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not intended to limit the conditions under which the disclosure may be implemented, and therefore, the structure, the proportion, or the size of the structure may be modified without substantially affecting the efficacy and the achievable purpose of the disclosure.
As shown in fig. 1, the baking-free brick processing system using barium-containing slag cement provided in the embodiment of the present application specifically includes: a reaction stirring device 1; a filtering device 2 connected with the reaction stirring device 1; a Roots blower 5 connected to the reaction stirring apparatus 1; a settling tank 3 communicated with the filtering device 2; the reaction mixer 6 is connected with the filtering device 2 through a material conveying mechanism; a reaction kettle 4 connected with the settling tank 3; a first filter pressing device 7 connected with the reaction kettle 4; a washing and cleaning device 8 connected with the reaction kettle 4; a second filter pressing device 9 connected with the washing and cleaning device 8; an air drying bin 10 connected with the second filter pressing device 9; a mixing and stirring bin 11 connected with the air drying bin 10; a full-automatic brick making machine 12 connected with the mixing and stirring bin 11 through a packing auger transmission mechanism; and the packaging device 13 is connected with the full-automatic brick making machine 12 through a belt conveyor.
The embodiment of the invention provides a baking-free brick processing system for producing cement by using barium-containing slag cement, which specifically comprises: a reaction stirring device 1; a filtering device 2 connected with the reaction stirring device 1; a Roots blower 5 connected to the reaction stirring apparatus 1; a settling tank 3 communicated with the filtering device 2; the reaction mixer 6 is connected with the filtering device 2 through a material conveying mechanism; a reaction kettle 4 connected with the settling tank 3; a first filter pressing device 7 connected with the reaction kettle 4; a washing and cleaning device 8 connected with the reaction kettle 4; a second filter pressing device 9 connected with the washing and cleaning device 8; an air drying bin 10 connected with the second filter pressing device 9; a mixing and stirring bin 11 connected with the air drying bin 10; a full-automatic brick making machine 12 connected with the mixing and stirring bin 11 through a packing auger transmission mechanism; and the packaging device 13 is connected with the full-automatic brick making machine 12 through a belt conveyor. The system for treating the baking-free bricks by using the barium-containing slag sludge can realize harmless treatment of the barium-containing slag sludge, reasonably utilizes the barium-containing slag sludge as resources, produces the baking-free bricks by using the cement, and improves the resource utilization rate.
Specifically, in the embodiment of the present invention, an electronic material moisture content detector is further disposed on the air drying bin 10.
Specifically, in the embodiment of the present invention, the mixing and stirring bin 11 includes: a cartridge main body; the stirring motor is arranged on the bin main body; the stirring main shaft is connected with the stirring motor; with stirring main shaft fixed connection's stirring rake, the stirring rake encircles the (mixing) shaft sets up, the stirring rake is 6 ~ 8.
Specifically, in the embodiment of the present invention, the filtering device 2 is specifically a vacuum belt filter.
Specifically, in the present embodiment, the reaction mixer 6 is specifically a double helix mixer.
Specifically, in the embodiment of the present invention, the baking-free brick processing system for producing cement from barium-containing slag cement further includes: and the electronic metering belt scale is connected with the double-helix mixer.
Specifically, in the embodiment of the present invention, the baking-free brick processing system for producing cement from barium-containing slag cement further includes: and a reaction liquid metering tank connected with the stirring device.
Specifically, in an embodiment of the present invention, the stirring device includes: a mixing cylinder; the driving mechanism is arranged on the stirring cylinder body; the stirring shaft is connected with the driving mechanism; the helical blade is arranged on the stirring shaft; the stirring pin is fixedly arranged on the helical blade; the material stirring baffle is arranged on the inner wall of the stirring cylinder body.
In addition, the embodiment of the application also relates to a method for producing the cement baking-free brick by barium slag innocent treatment, which specifically comprises the following steps: stirring, mixing and heating the barium slag mud and water in a ratio of 1:1, and combining the barium slag mud and the water by using nitric acid; after combination, adjusting the pH value to 6.5-8; precipitating and filtering to separate out barium nitrate solution; after sedimentation, adding sulfuric acid into the barium nitrate solution for reaction to produce precipitated barium sulfate and dilute nitric acid; washing, filter pressing and drying the precipitated barium sulfate to obtain a finished product barium sulfate; solidifying barium ions; and (3) drying the barium slag, fully mixing the cement, the sand and the barium slag according to the proportion of 10:20:70 when the water content is about 4-6%, and treating by using a curing agent to prepare the cement baking-free brick. The method can realize the harmless treatment of the barium-containing slag mud, reasonably utilizes the barium-containing slag mud as resources, produces the cement baking-free brick, and improves the resource utilization rate.
Specifically, in the embodiment of the invention, the barium slag mud and water are stirred, mixed and heated in a ratio of 1:1, and combined by nitric acid, and after combination, the pH is adjusted to 6.5-8, specifically: after combination, the pH is adjusted to 7-7.5.
Specifically, in the embodiment of the invention, the barium slag mud and water are stirred, mixed and heated in a ratio of 1:1, and combined by nitric acid, and after combination, the pH is adjusted to 6.5-8, specifically: adding Ba (OH)2 to react until the pH of the mixture is 6.5-8.
Specifically, in the embodiment of the present invention, the solidified barium ions are specifically: adding Na2SO4 and FeSO4 into barium sludge after nitric acid treatment, and fully mixing and reacting to solidify barium ions.
Specifically, in the embodiment of the invention, the barium slag is dried, specifically, when the water content is 5%, the cement, the sand and the barium slag are fully mixed according to the proportion of 10:20:70, and the cement baking-free brick is prepared by treating a reinforcing agent.
Specifically, in the embodiment of the present invention, after the barium ions are solidified, the method further includes the steps of: and carrying out a waste residue leaching toxicity test.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a system for processing baking-free bricks by using barium-containing slag cement, which is characterized in that:
a reaction stirring device;
the filtering device is connected with the reaction stirring device;
the Roots blower is connected with the reaction stirring device;
a settling tank in communication with the filtration device;
the reaction mixer is connected with the filtering device through a material conveying mechanism;
the reaction kettle is connected with the settling tank;
the first filter pressing device is connected with the reaction kettle;
the washing and cleaning device is connected with the reaction kettle;
the second filter pressing device is connected with the washing and cleaning device;
the air drying bin is connected with the second filter pressing device;
the mixing and stirring bin is connected with the air drying bin;
the full-automatic brick making machine is connected with the mixing and stirring bin through a packing auger transmission mechanism;
and the packaging device is connected with the full-automatic brick making machine through a belt conveyor.
2. The system for treating the baking-free bricks by using the barium-containing slag cement as claimed in claim 1, wherein an electronic material moisture content detector is further arranged on the air drying bin.
3. The system of claim 1, wherein the mixing and stirring bin comprises: a cartridge main body; the stirring motor is arranged on the bin main body; the stirring main shaft is connected with the stirring motor; with stirring main shaft fixed connection's stirring rake, the stirring rake encircles the (mixing) shaft sets up, the stirring rake is 6 ~ 8.
4. The system for treating baking-free bricks from cement containing barium slag as claimed in claim 1, wherein the filtering device is a vacuum belt filter.
5. The system for treating baking-free bricks from cement produced from barium-containing slag according to claim 4, wherein the reaction mixer is a double-screw mixer.
6. The system of claim 5, further comprising: and the electronic metering belt scale is connected with the double-helix mixer.
7. The system of claim 6, further comprising: and a reaction liquid metering tank connected with the stirring device.
8. The system of claim 7, wherein the stirring device comprises: a mixing cylinder; the driving mechanism is arranged on the stirring cylinder body; the stirring shaft is connected with the driving mechanism; the helical blade is arranged on the stirring shaft; the stirring pin is fixedly arranged on the helical blade; the material stirring baffle is arranged on the inner wall of the stirring cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229920.XA CN110948669A (en) | 2019-12-04 | 2019-12-04 | Baking-free brick processing system for producing cement from barium-containing slag mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229920.XA CN110948669A (en) | 2019-12-04 | 2019-12-04 | Baking-free brick processing system for producing cement from barium-containing slag mud |
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| Publication Number | Publication Date |
|---|---|
| CN110948669A true CN110948669A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911229920.XA Pending CN110948669A (en) | 2019-12-04 | 2019-12-04 | Baking-free brick processing system for producing cement from barium-containing slag mud |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432666A (en) * | 1979-12-14 | 1984-02-21 | Vfi, Verwertungsgesellschaft Fur Industrieruckstande Mbh | Process for the storage and dumping of waste materials |
| CN1115267A (en) * | 1993-09-03 | 1996-01-24 | 岳春林 | Ba mud, its coproducts such as barium sulfate, magnesium carbonate, refined salt or ammonium chloride, Ba brick and other products |
| JP2004231503A (en) * | 2003-02-03 | 2004-08-19 | Akio Henmi | Apparatus for manufacturing zeolite |
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| CN207521417U (en) * | 2017-11-08 | 2018-06-22 | 贵州昊华工程技术有限公司 | A kind of barium slag harmlessness processing system |
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-
2019
- 2019-12-04 CN CN201911229920.XA patent/CN110948669A/en active Pending
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| US4432666A (en) * | 1979-12-14 | 1984-02-21 | Vfi, Verwertungsgesellschaft Fur Industrieruckstande Mbh | Process for the storage and dumping of waste materials |
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| JP2004231503A (en) * | 2003-02-03 | 2004-08-19 | Akio Henmi | Apparatus for manufacturing zeolite |
| CN104561561A (en) * | 2014-12-04 | 2015-04-29 | 东北大学 | Innocent treatment method for barium-containing waste residues |
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| Title |
|---|
| 潘长华: "《实用小化工生产大全 第1卷》", 30 September 1996, 化学工业出版社 * |
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