CN115872683A - Preparation method of novel molybdenum tailing sand waterproof mortar - Google Patents
Preparation method of novel molybdenum tailing sand waterproof mortar Download PDFInfo
- Publication number
- CN115872683A CN115872683A CN202310034374.4A CN202310034374A CN115872683A CN 115872683 A CN115872683 A CN 115872683A CN 202310034374 A CN202310034374 A CN 202310034374A CN 115872683 A CN115872683 A CN 115872683A
- Authority
- CN
- China
- Prior art keywords
- molybdenum
- sand
- tailing sand
- waterproof mortar
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 64
- 239000011733 molybdenum Substances 0.000 title claims abstract description 64
- 239000004576 sand Substances 0.000 title claims abstract description 61
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000004568 cement Substances 0.000 claims abstract description 27
- 229920000126 latex Polymers 0.000 claims abstract description 21
- 239000004816 latex Substances 0.000 claims abstract description 21
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 15
- 230000000996 additive effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 11
- 239000001923 methylcellulose Substances 0.000 claims abstract description 11
- 235000010981 methylcellulose Nutrition 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 230000009974 thixotropic effect Effects 0.000 claims abstract description 11
- 150000003568 thioethers Chemical class 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 10
- 239000001110 calcium chloride Substances 0.000 claims description 10
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000000839 emulsion Substances 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 239000011118 polyvinyl acetate Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims 1
- 239000012752 auxiliary agent Substances 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000003623 enhancer Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a preparation method of novel molybdenum tailing sand waterproof mortar, which comprises the following components in percentage by weight: 30-50% of molybdenum tailing sand, 20-25% of modified cement, 2-8% of easily-dispersible fiber, 2-6% of thixotropic lubricant, 0.15-0.4% of methyl cellulose, 5-10% of polymer latex, 1-1.3% of additive and 2-4% of reinforcing agent; the method comprises the following steps: grinding the molybdenum tailings sand with the components by a grinding machine, screening to enable the molybdenum tailings sand to be 180-200 meshes, and then carrying out pressure oxidation treatment on the molybdenum tailings sand at the screening part to remove sulfides contained in the molybdenum tailings sand; in the invention, the molybdenum tailing sand is desulfurized in the early stage, so that the problem of high harm of the finished product in the later stage is solved, meanwhile, the ordinary cement adopted in the prior art is improved, the adhesiveness of the ordinary cement with the molybdenum tailing sand can be improved, and the waterproof performance of the waterproof mortar can be further improved by matching with other auxiliary agents, so that the defects in the prior art are overcome.
Description
Technical Field
The invention belongs to the technical field of production and preparation of molybdenum tailing sand, and particularly relates to a preparation method of novel molybdenum tailing sand waterproof mortar.
Background
Molybdenum is one of metal elements and is mainly used for a lubricant, a catalyst and a pigment, most (about 99%) of molybdenum ore is discharged in a tailing powder form after ore dressing, the molybdenum ore tailing is industrial waste residue, improper management on the problems of discharge and storage can cause resource waste and influence on the healthy development of mining, and pollution can be caused to the environment.
The existing preparation to waterproof mortar can directly mix and process the molybdenum tailings sand with ordinary cement without special treatment, so that the whole waterproof capability of the mortar used in the later period is poor, the whole sulfur content is large, and the phenomenon of certain influence on the surrounding environment can be still caused in the application in the later period, so that the practical use can have great limitation and the improved space.
Disclosure of Invention
The invention aims to provide a novel preparation method of molybdenum tailing sand waterproof mortar, which aims to solve the problems of poor mortar waterproof capability and high mortar danger in the existing process for preparing mortar by molybdenum tailing sand in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of novel molybdenum tailing sand waterproof mortar comprises the following components in percentage by weight: 30-50% of molybdenum tailing sand, 20-25% of modified cement, 2-8% of easily dispersible fiber, 2-6% of thixotropic lubricant, 0.15-0.4% of methyl cellulose, 5-10% of polymer latex, 1-1.3% of additive and 2-4% of reinforcing agent;
the method comprises the following steps: grinding the molybdenum tailings sand with the components by a grinding machine, screening to enable the molybdenum tailings sand to be 180-200 meshes, and then carrying out pressure oxidation treatment on the molybdenum tailings sand at the screening part to remove sulfides contained in the molybdenum tailings sand;
step two: adding the molybdenum tailing sand processed in the step two and the modified cement in the components into a planetary stirrer, stirring for 3-5 min, and adding water accounting for 13-30% of the total amount of the raw materials to obtain primary ready-mixed mortar slurry;
step three: adding the easily-dispersible fibers, the thixotropic lubricant, the methyl cellulose, the polymer latex and the additive in the mortar in the second step, and synchronously stirring;
step four: adding the reinforcing agent in the components again, and stirring;
step five: and conveying the concrete to a construction site for use.
As a preferred technical solution in the present invention, the polymer latex is one of cationic neoprene latex, ethylene-polyvinyl acetate copolymer emulsion, styrene-butadiene rubber latex, and vinyl chloride-vinylidene chloride copolymer emulsion.
As a preferable technical scheme in the invention, the additive is one of an emulsifier, a stabilizer, a defoaming agent and a curing agent.
In a preferred embodiment of the present invention, the enhancer is formed by mixing calcium chloride and water, wherein the ratio of calcium chloride to water is 56-59.5: 100.
as a preferable technical scheme in the invention, the preparation method of the modified cement is as follows:
s1: 2 to 3 percent of air entraining agent and 2 to 5 percent of thickening agent are added into 92 to 96 percent of cement;
s2: stirring for 3-6 min at 40-50 r/min by a stirrer;
s3: and obtaining a finished product.
In a preferred embodiment of the present invention, the pressure oxidation treatment in the first step is performed by controlling the nitric acid concentration at 20-30 g/L, the oxygen partial pressure at 350-450 kPa, and the leaching time at 160-200 ℃ for 1-2 h.
As a preferable technical scheme in the invention, the stirring speed of the planetary stirrer in the step two is 30-45 r/min, the rotating speed of the planetary stirrer is unchanged when water is added, and the water adding time is 0.7-1.0 min.
As a preferable technical scheme in the invention, the stirring speed in the third step and the fourth step is 40-45 r/min, and the time interval for adding the reinforcing agent in the third step to the fourth step is 2-4 min.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the molybdenum tailing sand is desulfurized in the early stage, so that the problem of high harm of the finished product in the later stage is solved, meanwhile, the ordinary cement adopted in the prior art is improved, the adhesiveness of the ordinary cement with the molybdenum tailing sand can be improved, and the waterproof performance of the waterproof mortar can be further improved by matching with other auxiliary agents, so that the defects in the prior art are overcome.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The invention discloses a technical scheme that: a preparation method of novel molybdenum tailing sand waterproof mortar comprises the following components in percentage by weight: the strength of the waterproof mortar can be improved by arranging 50% of molybdenum tailings sand, 25% of modified cement, 7.8% of easily-dispersible fibers, 2% of thixotropic lubricant, 0.2% of methyl cellulose, 10% of polymer latex, 1% of additive, 4% of reinforcing agent and the reinforcing agent;
the method comprises the following steps: grinding the molybdenum tailings sand with the components by a grinding machine, screening to enable the molybdenum tailings sand to be 180 meshes, then carrying out pressure oxidation treatment on the molybdenum tailings sand at the screening part to remove sulfides contained in the molybdenum tailings sand, and avoiding the problem that the use is influenced by high sulfur content in later-stage finished mortar;
step two: adding the molybdenum tailing sand processed in the step two and the modified cement in the components into a planetary stirrer, stirring for 35min, and adding water accounting for 13% of the total amount of the raw materials to obtain primary ready-mixed mortar slurry;
step three: adding the easily-dispersible fibers, the thixotropic lubricant, the methyl cellulose, the polymer latex and the additive in the mortar in the second step, and synchronously stirring to improve the waterproof performance of the mortar;
step four: adding the reinforcing agent in the components again to improve the strength of the waterproof mortar, and stirring;
step five: and conveying the concrete to a construction site for use.
In this example, the polymer latex is a cationic neoprene latex.
In this example, the additive is an emulsifier.
In this example, the enhancer is formed by mixing calcium chloride and water, wherein the ratio of calcium chloride to water is 59.5:100.
in this example, the modified cement was prepared as follows:
s1: 2% of air entraining agent and 2% of thickening agent are added into 96% of cement, so that the viscosity and the reaction speed of the cement and the molybdenum tailing sand at the later stage are improved;
s2: stirring for 6min at 40r/min by a stirrer;
s3: and obtaining a finished product.
In the embodiment, the pressure oxidation treatment in the first step is to realize the desulfurization treatment of the molybdenum tailings sand by controlling the nitric acid concentration to be 20g/L, the oxygen partial pressure to be 350kPa and the leaching time to be 1h at 160 ℃.
In the embodiment, the stirring speed of the planetary stirrer in the step two is 30r/min, the rotating speed of the planetary stirrer is unchanged when water is added, and the water adding time is 0.7min, so that uniform water adding and stirring are realized, and the caking phenomenon is avoided.
In this example, the stirring speed in the third step and the fourth step was 40r/min, and the time interval between the addition of the reinforcing agent in the third step and the fourth step was 2min.
Example 2
The differences from the embodiment 1 are: a preparation method of novel molybdenum tailing sand waterproof mortar comprises the following components in percentage by weight: 45.7% of molybdenum tailing sand, 22% of modified cement, 7% of easily-dispersible fiber, 6% of thixotropic lubricant, 0.3% of methyl cellulose, 10% of polymer latex, 1% of additive and 4% of reinforcing agent;
the method comprises the following steps: grinding the molybdenum tailings sand with the components by a grinding machine, screening to enable the molybdenum tailings sand to be 190 meshes, and then carrying out pressure oxidation treatment on the molybdenum tailings sand at the screening part to remove sulfides contained in the molybdenum tailings sand;
step two: adding the molybdenum tailing sand processed in the step two and the modified cement in the components into a planetary mixer, stirring for 4min, and adding water accounting for 20% of the total amount of the raw materials to obtain primary ready-mixed mortar slurry;
step three: adding the easily-dispersible fibers, the thixotropic lubricant, the methylcellulose, the polymer latex and the additive in the mortar in the second step, and synchronously stirring;
step four: adding the reinforcing agent in the components again, and stirring;
step five: and conveying the concrete to a construction site for use.
In this example, the polymer latex is an ethylene-polyvinyl acetate copolymer emulsion.
In this example, the admixture is a curing agent.
In this example, the enhancer is formed by mixing calcium chloride and water, wherein the ratio of calcium chloride to water is 57.5:100.
in this example, the modified cement was prepared as follows:
s1: adding 2.5% of air entraining agent and 4% of thickening agent into 94% of cement;
s2: stirring for 4min at 45r/min by a stirrer;
s3: and obtaining a finished product.
In this example, the pressure oxidation treatment in the first step means that the concentration of nitric acid is controlled to be 25g/L, the oxygen partial pressure is controlled to be 400kPa, and the leaching time is controlled to be 1.5h at 180 ℃.
In this embodiment, the stirring speed of the planetary stirrer in the second step is 40r/min, the rotation speed of the planetary stirrer is unchanged when water is added, and the water adding time is 0.8min.
In this example, the stirring speed in the third step and the fourth step was 42r/min, and the time interval between the addition of the reinforcing agent in the third step and the fourth step was 3min.
Example 3
The difference from the above embodiment is that: a preparation method of novel molybdenum tailing sand waterproof mortar comprises the following components in percentage by weight: 50% of molybdenum tailing sand, 23.7% of modified cement, 5% of easily-dispersible fiber, 6% of thixotropic lubricant, 0.4% of methyl cellulose, 10% of polymer latex, 1.3% of additive and 4% of reinforcing agent;
the method comprises the following steps: grinding the molybdenum tailings sand with the components by a grinding machine, screening to enable the molybdenum tailings sand to be 200 meshes, and then carrying out pressure oxidation treatment on the molybdenum tailings sand at the screening part to remove sulfides contained in the molybdenum tailings sand;
step two: adding the molybdenum tailing sand processed in the step two and the modified cement in the components into a planetary mixer, stirring for 5min, and adding water accounting for 30% of the total amount of the raw materials to obtain primary ready-mixed mortar slurry;
step three: adding the easily-dispersible fibers, the thixotropic lubricant, the methyl cellulose, the polymer latex and the additive in the mortar in the second step, and synchronously stirring;
step four: adding the reinforcing agent in the components again, and stirring;
step five: and conveying the concrete to a construction site for use.
In this example, the polymer latex was a vinyl chloride-vinylidene chloride copolymer emulsion.
In this example, the additive was an antifoaming agent.
In this embodiment, the enhancer is formed by mixing calcium chloride and water, wherein the ratio of calcium chloride to water is 59.5:100.
in this example, the modified cement was prepared as follows:
s1: adding 3% of air entraining agent and 5% of thickening agent into 96% of cement;
s2: stirring for 6min at a speed of 50r/min by a stirrer;
s3: and obtaining a finished product.
In this example, the pressure oxidation treatment in the first step means that the nitric acid concentration is controlled to be 30g/L, the oxygen partial pressure is controlled to be 450kPa, and the leaching time is controlled to be 2 hours at 200 ℃.
In this embodiment, the stirring speed of the planetary stirrer in the second step is 45r/min, the rotation speed of the planetary stirrer is unchanged when water is added, and the water adding time is 1.0min.
In this example, the stirring speed in the third step and the fourth step was 45r/min, and the time interval between the addition of the reinforcing agent in the third step and the fourth step was 4min.
Although embodiments of the present invention have been shown and described with particularity and detail in the foregoing description, it will be appreciated by those skilled in the art that numerous changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A preparation method of novel molybdenum tailing sand waterproof mortar is characterized by comprising the following steps: the waterproof mortar comprises the following components in percentage by weight: 30-50% of molybdenum tailing sand, 20-25% of modified cement, 2-8% of easily-dispersible fiber, 2-6% of thixotropic lubricant, 0.15-0.4% of methyl cellulose, 5-10% of polymer latex, 1-1.3% of additive and 2-4% of reinforcing agent;
the method comprises the following steps: grinding the molybdenum tailings sand with the components by a grinding machine, screening to enable the molybdenum tailings sand to be 180-200 meshes, and then carrying out pressure oxidation treatment on the molybdenum tailings sand at the screening part to remove sulfides contained in the molybdenum tailings sand;
step two: adding the molybdenum tailing sand processed in the step two and the modified cement in the components into a planetary stirrer, stirring for 3-5 min, and adding water accounting for 13-30% of the total amount of the raw materials to obtain primary ready-mixed mortar slurry;
step three: adding the easily-dispersible fibers, the thixotropic lubricant, the methyl cellulose, the polymer latex and the additive in the mortar in the second step, and synchronously stirring;
step four: adding the reinforcing agent in the components again, and stirring;
step five: and conveying the concrete to a construction site for use.
2. The method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the polymer latex is one of cation neoprene latex, ethylene-polyvinyl acetate copolymer emulsion, styrene-butadiene rubber latex and vinyl chloride-vinylidene chloride copolymer emulsion.
3. The method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the additive is one of an emulsifier, a stabilizer, a defoaming agent and a curing agent.
4. The method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the reinforcing agent is formed by mixing calcium chloride and water, wherein the ratio of the calcium chloride to the water is 56-59.5: 100.
5. the method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the preparation method of the modified cement comprises the following steps:
s1: 2 to 3 percent of air entraining agent and 2 to 5 percent of thickening agent are added into 92 to 96 percent of cement;
s2: stirring for 3-6 min at 40-50 r/min by a stirrer;
s3: and obtaining a finished product.
6. The method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the pressure oxidation treatment in the first step is to control the concentration of nitric acid to be 20-30 g/L, the oxygen partial pressure to be 350-450 kPa and the leaching time to be 1-2 h at 160-200 ℃.
7. The method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the stirring speed of the planetary stirrer in the step two is 30-45 r/min, the rotating speed of the planetary stirrer is unchanged when water is added, and the water adding time is 0.7-1.0 min.
8. The method for preparing the novel molybdenum tailing sand waterproof mortar according to claim 1, which is characterized in that: the stirring speed in the third step and the fourth step is 40-45 r/min, and the time interval for adding the reinforcing agent in the third step to the fourth step is 2-4 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310034374.4A CN115872683A (en) | 2023-01-10 | 2023-01-10 | Preparation method of novel molybdenum tailing sand waterproof mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310034374.4A CN115872683A (en) | 2023-01-10 | 2023-01-10 | Preparation method of novel molybdenum tailing sand waterproof mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115872683A true CN115872683A (en) | 2023-03-31 |
Family
ID=85758423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310034374.4A Pending CN115872683A (en) | 2023-01-10 | 2023-01-10 | Preparation method of novel molybdenum tailing sand waterproof mortar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115872683A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612944A (en) * | 2001-12-03 | 2005-05-04 | 康明柯工程服务有限公司 | Process for the treatment of molybdenum concentrate |
| CN103014332A (en) * | 2013-01-16 | 2013-04-03 | 四川顺应金属材料科技有限公司 | Pretreatment method for extracting molybdenum from molybdenum ore |
| CN103526013A (en) * | 2013-10-23 | 2014-01-22 | 北京矿冶研究总院 | Comprehensive recovery method of complex molybdenum sulfide ore |
| CN105121675A (en) * | 2013-04-18 | 2015-12-02 | 阿克佐诺贝尔化学国际公司 | Use of cationic surfactants in the cyanidation of refractory carbonaceous ores for recovery of metals |
| CN105314934A (en) * | 2015-03-12 | 2016-02-10 | 炫靓集团有限公司 | Preparation of anti-sagging dry-blending plastering mortar by means of molybdenum tailing sand |
| CN114702284A (en) * | 2022-05-09 | 2022-07-05 | 安徽中持环境科技有限公司 | Copper slag concrete building block and preparation method thereof |
| CN114873961A (en) * | 2022-05-23 | 2022-08-09 | 中国十七冶集团有限公司 | Molybdenum tailing dry-mixed mortar and application method thereof |
-
2023
- 2023-01-10 CN CN202310034374.4A patent/CN115872683A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612944A (en) * | 2001-12-03 | 2005-05-04 | 康明柯工程服务有限公司 | Process for the treatment of molybdenum concentrate |
| CN103014332A (en) * | 2013-01-16 | 2013-04-03 | 四川顺应金属材料科技有限公司 | Pretreatment method for extracting molybdenum from molybdenum ore |
| CN105121675A (en) * | 2013-04-18 | 2015-12-02 | 阿克佐诺贝尔化学国际公司 | Use of cationic surfactants in the cyanidation of refractory carbonaceous ores for recovery of metals |
| CN103526013A (en) * | 2013-10-23 | 2014-01-22 | 北京矿冶研究总院 | Comprehensive recovery method of complex molybdenum sulfide ore |
| CN105314934A (en) * | 2015-03-12 | 2016-02-10 | 炫靓集团有限公司 | Preparation of anti-sagging dry-blending plastering mortar by means of molybdenum tailing sand |
| CN114702284A (en) * | 2022-05-09 | 2022-07-05 | 安徽中持环境科技有限公司 | Copper slag concrete building block and preparation method thereof |
| CN114873961A (en) * | 2022-05-23 | 2022-08-09 | 中国十七冶集团有限公司 | Molybdenum tailing dry-mixed mortar and application method thereof |
Non-Patent Citations (4)
| Title |
|---|
| A•H•泽列克曼等: "《土木工程材料 第2版》", 31 August 2008, 上海：同济大学出版社, pages: 246 - 124 * |
| A•H•泽列克曼等: "《稀有金属冶金学》", 冶金工业出版社, pages: 123 - 124 * |
| 吴科如等，: "《建筑材料 第2版》", 30 April 1999, 上海：同济大学出版社, pages: 110 * |
| 滕朝晖等: "《预拌砂浆标准解读及实际应用解析》", 31 August 2021, 北京：中国建材工业出版社, pages: 23 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106082720A (en) | A kind of high strength cement and preparation method thereof | |
| CN105399356B (en) | A kind of preparation method of alkali-free chlorine-free liquid accelerator | |
| CN107382233A (en) | A kind of aerated bricks for adding high chlorine silicon slurry | |
| CN115872683A (en) | Preparation method of novel molybdenum tailing sand waterproof mortar | |
| CN113387622A (en) | High-strength recycled concrete and production process thereof | |
| CN111662023B (en) | Method for curing fly ash by co-processing of cement kiln | |
| CN110922081B (en) | Treating agent for red mud, Bayer process red mud treatment method, concrete and building material | |
| CN112479614A (en) | Treating agent for soluble phosphorus and fluorine in solidified gypsum and solidification method and application thereof | |
| CN110541188B (en) | Method for preparing calcium sulfate hemihydrate crystal whisker with high length-diameter ratio by using calcium sulfate dihydrate | |
| CN112390549A (en) | Composite cement of stainless steel slag tailing mud and slag and preparation method thereof | |
| CN113603377B (en) | Cement produced by utilizing electrolytic manganese slag and production method thereof | |
| CN116283037A (en) | Commercial mixing station carbon fixation admixture, preparation method and application thereof | |
| CN103073207A (en) | Method for phosphogypsum harmless treatment and conversion into regeneration gypsum resource | |
| CN109809729A (en) | A method of cement grinding aid is prepared using landfill leachate | |
| CN110683773B (en) | High-strength white cement and preparation process thereof | |
| CN116040687A (en) | Comprehensive utilization method of sulfuric acid process titanium dioxide waste acid and sulfuric acid process titanium dioxide production process | |
| CN113651566A (en) | Premixed mortar mixture for building and preparation method thereof | |
| CN112358214A (en) | Chemical activator for improving activity of coal gangue | |
| CN112250051A (en) | Method for absorbing phosphogypsum roasting smoke and co-producing phosphoric acid and cement clinker by phosphate rock slurry | |
| CN107777985A (en) | A kind of industrial residue phosphogypsum building block and preparation method thereof | |
| CN108409284A (en) | A kind of novel magnesium oxychloride plank | |
| CN114105343A (en) | Method for cooperatively treating desulfurization ash by desulfurization wastewater treatment system and application | |
| CN107663037A (en) | A kind of non-burning brick slag micropowder used for strengthening water resistance and preparation method thereof | |
| CN108675659A (en) | A kind of preparation method of high strength cement for building | |
| CN104529325A (en) | Thermal-insulation mortar containing chemical-engineering phosphogypsum waste residue and possessing good anti-ageing effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |