CN106238214A - A kind of molybdenum concntrate decarbonization process - Google Patents
A kind of molybdenum concntrate decarbonization process Download PDFInfo
- Publication number
- CN106238214A CN106238214A CN201610654073.1A CN201610654073A CN106238214A CN 106238214 A CN106238214 A CN 106238214A CN 201610654073 A CN201610654073 A CN 201610654073A CN 106238214 A CN106238214 A CN 106238214A
- Authority
- CN
- China
- Prior art keywords
- molybdenum
- molybdenum concntrate
- concntrate
- content
- carbon
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/006—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a kind of molybdenum concntrate decarbonization process, including the floating agent employed in molybdenum floatation process being all replaced by No. 200 solvent naphthas, concentrating filter pressing and dried.In molybdenum concntrate after processed by the invention, the mass content of molybdenum is not less than 57%, and the mass content of carbon is not more than 0.5%.The present invention solves carbon content in existing molybdenum concntrate and exceeds standard problem off quality, improve molybdenum concentrate grade, add high-grade molybdenum concntrate yield, provide qualified raw material for downstream molybdenum processing high pure alcohol, add molybdenum product category, improve the consolidated profit of molybdenum.
Description
Technical field
The invention belongs to Mo processing technique field, be specifically related to a kind of molybdenum concntrate decarbonization process.
Background technology
Molybdenum concentrate grade domestic, that molybdenum ore dressing plant produces mostly in the world is between 45%～54%, and minority ore dressing plant can
To produce 57% high-quality molybdenum concntrate.Molybdenum Chemical Manufacture high pure alcohol is to the prescription of needed raw material molybdenum concntrate very
High, it is desirable in molybdenum concntrate, molybdenum grade is not less than 57%, and carbon content is not more than 0.5%.Owing to ore properties changes, ore dressing plant can not
Ensure that continuous-stable every day produces the molybdenum concntrate of more than 57% in a large number, major part molybdenum concentrate grade about 56.5%, Ore
The molybdenum concntrate of more than 57% can be produced when matter is preferable, but in final molybdenum concntrate, carbon content is between 2.8%～3.5%, carbon content
Severe overweight, it is impossible to meet prescription.
Summary of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, it is provided that a kind of molybdenum concntrate decarburization
Technique.This technique solves carbon content in existing molybdenum concntrate and exceeds standard problem off quality, improves molybdenum concentrate grade, increases
57% molybdenum concntrate yield, provides qualified raw material for downstream molybdenum processing high pure alcohol, adds molybdenum product kind
Class, improves the consolidated profit of molybdenum.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of molybdenum concntrate decarbonization process, its feature exists
In, this technique includes changing floating agent, concentrating filter pressing and dried；
The detailed process of described replacing floating agent is: roughly selected by molybdenum, scan, selected and essence is scanned employed in process
Floating agent is all replaced by No. 200 solvent naphthas, obtains the molybdenum concntrate foam that moisture content is 80%～90%；Described floating agent
For collecting agent and defoamer；
The detailed process of described concentration filter pressing is: is placed in concentrator by described molybdenum concntrate foam and carries out concentration,
To ore pulp, then described ore pulp feeding pressure filter is carried out filter pressing process, obtain the molybdenum concntrate that moisture content is 10%～15% thick
Ore deposit；
The detailed process of described dried is: by rough for described molybdenum concntrate feeding electromagnetical spiral drying machine, in temperature
It is high temperature drying 15min～25min under conditions of 350 DEG C～400 DEG C, obtains the molybdenum concntrate after decarburization；Molybdenum after described decarburization
In concentrate, the mass content of molybdenum is not less than 57%, and the mass content of carbon is not more than 0.5%.
Above-mentioned a kind of molybdenum concntrate decarbonization process, it is characterised in that in described molybdenum concntrate foam, the mass content of carbon is little
In 2.5%.
Above-mentioned a kind of molybdenum concntrate decarbonization process, it is characterised in that the mass content of the rough middle carbon of described molybdenum concntrate is little
In 1.5%.
Above-mentioned a kind of molybdenum concntrate decarbonization process, it is characterised in that described concentrator is TNT-12 type concentrator.
Above-mentioned a kind of molybdenum concntrate decarbonization process, it is characterised in that described pressure filter is LAROX-PF type automatic pressure filter,
In described pressure-filtering process, the time of extruding is 2min, and the time 5min air-dried after extruding, the pressure extruding and air-drying is
12bar。
The present invention compared with prior art has the advantage that
1, molybdenum concntrate decarbonization process provided by the present invention efficiently solves carbon content in existing molybdenum concntrate and exceeds standard quality
Underproof problem；
2, the present invention improves the grade of molybdenum concntrate product, adds molybdenum grade molybdenum concntrate yield more than 57%；
3, the present invention provides qualified raw material for downstream molybdenum processing high pure alcohol, adds molybdenum product kind
Class, improves the consolidated profit of molybdenum；
4, the present invention changes floating agent is No. 200 solvent naphthas, it is possible to reduce flotation froth viscosity, reduces organic carbon and nothing
Machine carbon enters the chance of flotation froth, reduces the content of carbon in molybdenum concntrate foam；Use and concentrate filter pressing, it is possible to slough most
Water and low carbon chain hydrocarbon ils；By high temperature drying, not only remove moisture content, and molybdenum concntrate medium high carbon chain collecting agent can be removed, rise
Organic beneficiation reagent such as infusion, but also make simple substance carbon therein be oxidized to gas and remove.
Below in conjunction with embodiment, the present invention is described in further detail.
Detailed description of the invention
Embodiment 1
The present embodiment molybdenum concntrate decarbonization process includes changing floating agent, concentrating filter pressing and dried；Wherein:
The detailed process changing floating agent is: roughly selected by molybdenum, scan, selected and essence scans the flotation employed in process
Medicament is all replaced by No. 200 solvent naphthas；Described floating agent is collecting agent and defoamer；After replacing, then float routinely
Select technique to roughly select the raw ore containing molybdenum, scan, selected and essence scans process, and obtaining moisture content is 85% (mass content), carbon
Content is the molybdenum concntrate foam of 2.5% (mass content)；
The detailed process concentrating filter pressing is: is placed in TNT-12 type concentrator by described molybdenum concntrate foam and carries out at concentration
Reason, obtains ore pulp, then described ore pulp feeding LAROX-PF type automatic pressure filter is carried out filter pressing process, controls in pressure-filtering process
The time of extruding is 2min, the time 5min air-dried after extruding, controls extruding and the pressure air-dried is 12bar, obtain aqueous
Rate is 15% (mass content), and carbon content is that the molybdenum concntrate of 1.5% (mass content) is rough；
The detailed process of dried is: by rough for described molybdenum concntrate feeding electromagnetical spiral drying machine, be 380 in temperature
High temperature drying 20min under conditions of DEG C, obtaining molybdenum content is 57.5% (mass content), and carbon content is 0.3% (mass content)
Decarburization after molybdenum concntrate.
The present embodiment molybdenum concntrate decarbonization process efficiently solves carbon content in existing molybdenum concntrate and exceeds standard off quality
Problem；Improve the grade of molybdenum concntrate product, add molybdenum grade molybdenum concntrate yield more than 57%；Downstream molybdenumization processing is raw
Produce the raw material that high pure alcohol provides qualified, add molybdenum product category, improve the consolidated profit of molybdenum.
Embodiment 2
The present embodiment molybdenum concntrate decarbonization process includes changing floating agent, concentrating filter pressing and dried；Wherein:
The detailed process changing floating agent is: roughly selected by molybdenum, scan, selected and essence scans the flotation employed in process
Medicament is all replaced by No. 200 solvent naphthas；Described floating agent is collecting agent and defoamer；After replacing, then float routinely
Select technique to roughly select the raw ore containing molybdenum, scan, selected and essence scans process, and obtaining moisture content is 80% (mass content), carbon
Content is the molybdenum concntrate foam of 2.3% (mass content)；
The detailed process concentrating filter pressing is: is placed in TNT-12 type concentrator by described molybdenum concntrate foam and carries out at concentration
Reason, obtains ore pulp, then described ore pulp feeding LAROX-PF type automatic pressure filter is carried out filter pressing process, controls in pressure-filtering process
The time of extruding is 2min, the time 5min air-dried after extruding, controls extruding and the pressure air-dried is 12bar, obtain aqueous
Rate is 10% (mass content), and carbon content is that the molybdenum concntrate of 1.0% (mass content) is rough；
The detailed process of dried is: by rough for described molybdenum concntrate feeding electromagnetical spiral drying machine, be 350 in temperature
High temperature drying 25min under conditions of DEG C, obtaining molybdenum content is 57.3% (mass content), and carbon content is 0.4% (mass content)
Decarburization after molybdenum concntrate.
The present embodiment molybdenum concntrate decarbonization process efficiently solves carbon content in existing molybdenum concntrate and exceeds standard off quality
Problem；Improve the grade of molybdenum concntrate product, add molybdenum grade molybdenum concntrate yield more than 57%；Downstream molybdenumization processing is raw
Produce the raw material that high pure alcohol provides qualified, add molybdenum product category, improve the consolidated profit of molybdenum.
Embodiment 3
The present embodiment molybdenum concntrate decarbonization process includes changing floating agent, concentrating filter pressing and dried；Wherein:
The detailed process changing floating agent is: roughly selected by molybdenum, scan, selected and essence scans the flotation employed in process
Medicament is all replaced by No. 200 solvent naphthas；Described floating agent is collecting agent and defoamer；After replacing, then float routinely
Select technique to roughly select the raw ore containing molybdenum, scan, selected and essence scans process, and obtaining moisture content is 90% (mass content), carbon
Content is the molybdenum concntrate foam of 2.0% (mass content)；
The detailed process concentrating filter pressing is: is placed in TNT-12 type concentrator by described molybdenum concntrate foam and carries out at concentration
Reason, obtains ore pulp, then described ore pulp feeding LAROX-PF type automatic pressure filter is carried out filter pressing process, controls in pressure-filtering process
The time of extruding is 2min, the time 5min air-dried after extruding, controls extruding and the pressure air-dried is 12bar, obtain aqueous
Rate is 10% (mass content), and carbon content is that the molybdenum concntrate of 1.1% (mass content) is rough；
The detailed process of dried is: by rough for described molybdenum concntrate feeding electromagnetical spiral drying machine, be 400 in temperature
High temperature drying 15min under conditions of DEG C, obtaining molybdenum content is 57.4% (mass content), and carbon content is 0.4% (mass content)
Decarburization after molybdenum concntrate.
The present embodiment molybdenum concntrate decarbonization process efficiently solves carbon content in existing molybdenum concntrate and exceeds standard off quality
Problem；Improve the grade of molybdenum concntrate product, add molybdenum grade molybdenum concntrate yield more than 57%；Downstream molybdenumization processing is raw
Produce the raw material that high pure alcohol provides qualified, add molybdenum product category, improve the consolidated profit of molybdenum.
Embodiment 4
The present embodiment molybdenum concntrate decarbonization process includes changing floating agent, concentrating filter pressing and dried；Wherein:
The detailed process changing floating agent is: roughly selected by molybdenum, scan, selected and essence scans the flotation employed in process
Medicament is all replaced by No. 200 solvent naphthas；Described floating agent is collecting agent and defoamer；After replacing, then float routinely
Select technique to roughly select the raw ore containing molybdenum, scan, selected and essence scans process, and obtaining moisture content is 83% (mass content), carbon
Content is the molybdenum concntrate foam of 2.3% (mass content)；
The detailed process concentrating filter pressing is: is placed in TNT-12 type concentrator by described molybdenum concntrate foam and carries out at concentration
Reason, obtains ore pulp, then described ore pulp feeding LAROX-PF type automatic pressure filter is carried out filter pressing process, controls in pressure-filtering process
The time of extruding is 2min, the time 5min air-dried after extruding, controls extruding and the pressure air-dried is 12bar, obtain aqueous
Rate is 12% (mass content), and carbon content is that the molybdenum concntrate of 1.3% (mass content) is rough；
The detailed process of dried is: by rough for described molybdenum concntrate feeding electromagnetical spiral drying machine, be 380 in temperature
High temperature drying 22min under conditions of DEG C, obtaining molybdenum content is 57.2% (mass content), and carbon content is 0.3% (mass content)
Decarburization after molybdenum concntrate.
The present embodiment molybdenum concntrate decarbonization process efficiently solves carbon content in existing molybdenum concntrate and exceeds standard off quality
Problem；Improve the grade of molybdenum concntrate product, add molybdenum grade molybdenum concntrate yield more than 57%；Downstream molybdenumization processing is raw
Produce the raw material that high pure alcohol provides qualified, add molybdenum product category, improve the consolidated profit of molybdenum.
Comparative example 1
This comparative example the difference is that only with embodiment 1: still uses traditional floating agent, is not replaced by No. 200
Solvent naphtha.
The grade 56.6% (mass content) of this comparative example gained molybdenum concntrate, carbon content is 1.8% (mass content).To this
As known from compared to Example 1, the present embodiment is by changing floating agent for comparative example, it is possible to make the grade of molybdenum concntrate improve 0.9
Percentage point, carbon content reduces by 1.5 percentage points.
Comparative example 2
This comparative example the difference is that only with embodiment 1: is not replaced by No. 200 solvent naphthas, does not carries out high temperature drying.
The grade 56.4% (mass content) of this comparative example gained molybdenum concntrate, carbon content is 3.2% (mass content).To this
As known from compared to Example 1, the present embodiment processes comparative example by changing floating agent+high temperature drying, it is possible to make molybdenum grade carry
High 1 percentage point, carbon content reduces by 2.8 percentage points.
It follows that the present invention is No. 200 solvent naphthas by changing floating agent, it is possible to reduce flotation froth viscosity, subtract
Few organic carbon and DIC enter the chance of flotation froth, reduce the content of carbon in molybdenum concntrate foam；Use and concentrate filter pressing, it is possible to
Slough most water and low carbon chain hydrocarbon ils；By high temperature drying, not only remove moisture content, and molybdenum concntrate medium high carbon can be removed
Organic beneficiation reagents such as chain collecting agent, foaming agent, but also make simple substance carbon therein be oxidized to gas and remove.Institute of the present invention
The molybdenum concntrate decarbonization process of research and development solves carbon content in existing molybdenum concntrate and exceeds standard problem off quality；Improve molybdenum concntrate
Grade, adds the yield of high-grade molybdenum concntrate；There is provided qualified raw material for downstream molybdenum processing high pure alcohol, increase
Add molybdenum product category, improve the consolidated profit of molybdenum.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention.Every according to invention skill
Any simple modification, change and the equivalence change that above example is made by art essence, all still falls within technical solution of the present invention
Protection domain in.
Claims (5)
1. a molybdenum concntrate decarbonization process, it is characterised in that this technique includes changing floating agent, concentrating filter pressing and be dried place
Reason；
The detailed process of described replacing floating agent is: roughly selected by molybdenum, scan, selected and essence scans the flotation employed in process
Medicament is all replaced by No. 200 solvent naphthas, obtains the molybdenum concntrate foam that moisture content is 80%～90%；Described floating agent is for catching
Receive agent and defoamer；
The detailed process of described concentration filter pressing is: is placed in concentrator by described molybdenum concntrate foam and carries out concentration, obtains ore deposit
Slurry, then carries out filter pressing process by described ore pulp feeding pressure filter, obtains the molybdenum concntrate that moisture content is 10%～15% rough；
The detailed process of described dried is: by rough for described molybdenum concntrate feeding electromagnetical spiral drying machine, be 350 in temperature
DEG C～400 DEG C under conditions of high temperature drying 15min～25min, obtain the molybdenum concntrate after decarburization；In molybdenum concntrate after described decarburization
The mass content of molybdenum is not less than 57%, and the mass content of carbon is not more than 0.5%.
A kind of molybdenum concntrate decarbonization process the most according to claim 1, it is characterised in that the matter of carbon in described molybdenum concntrate foam
Amount content is not more than 2.5%.
A kind of molybdenum concntrate decarbonization process the most according to claim 1, it is characterised in that the matter of the rough middle carbon of described molybdenum concntrate
Amount content is not more than 1.5%.
A kind of molybdenum concntrate decarbonization process the most according to claim 1, it is characterised in that described concentrator is that TNT-12 type is dense
Close machine.
A kind of molybdenum concntrate decarbonization process the most according to claim 1, it is characterised in that described pressure filter is LAROX-PF type
Automatic pressure filter, in described pressure-filtering process, the time of extruding is 2min, the time 5min air-dried after extruding, the pressure extruding and air-drying
Power is 12bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654073.1A CN106238214B (en) | 2016-08-10 | 2016-08-10 | A kind of molybdenum concntrate decarbonization process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654073.1A CN106238214B (en) | 2016-08-10 | 2016-08-10 | A kind of molybdenum concntrate decarbonization process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106238214A true CN106238214A (en) | 2016-12-21 |
| CN106238214B CN106238214B (en) | 2018-05-15 |
Family
ID=58078316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610654073.1A Active CN106238214B (en) | 2016-08-10 | 2016-08-10 | A kind of molybdenum concntrate decarbonization process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106238214B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184457A (en) * | 2019-05-31 | 2019-08-30 | 江西理工大学 | A kind of molybdenum concentrate decarburizer and the technique for reducing molybdenum concentrate carbon content |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100212A (en) * | 1985-04-01 | 1986-08-06 | 中国矿冶学院北京研究生部 | Collecting agent composition for flotation of coal |
| EP0229835B1 (en) * | 1985-07-09 | 1993-06-16 | Phlotec Services Inc. | Process for the selective separation of a copper molybdenum ore |
| CN102302981A (en) * | 2011-09-21 | 2012-01-04 | 紫金矿业集团股份有限公司 | Beneficiation reagent and method for separating copper-molybdenum mixed concentrates |
| KR101191788B1 (en) * | 2011-04-18 | 2012-10-16 | 한국지질자원연구원 | Method of froth flotation of molybdenum ore by multi stage grinding |
| CN102876906A (en) * | 2012-09-20 | 2013-01-16 | 中南大学 | Method for extraction and separation of tungsten and molybdenum from tungsten and molybdenum mixed solution |
-
2016
- 2016-08-10 CN CN201610654073.1A patent/CN106238214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100212A (en) * | 1985-04-01 | 1986-08-06 | 中国矿冶学院北京研究生部 | Collecting agent composition for flotation of coal |
| EP0229835B1 (en) * | 1985-07-09 | 1993-06-16 | Phlotec Services Inc. | Process for the selective separation of a copper molybdenum ore |
| KR101191788B1 (en) * | 2011-04-18 | 2012-10-16 | 한국지질자원연구원 | Method of froth flotation of molybdenum ore by multi stage grinding |
| CN102302981A (en) * | 2011-09-21 | 2012-01-04 | 紫金矿业集团股份有限公司 | Beneficiation reagent and method for separating copper-molybdenum mixed concentrates |
| CN102876906A (en) * | 2012-09-20 | 2013-01-16 | 中南大学 | Method for extraction and separation of tungsten and molybdenum from tungsten and molybdenum mixed solution |
Non-Patent Citations (1)
| Title |
|---|
| 于润存: "新型辉钼矿浮选捕收剂的应用研究", 《中南大学硕士学位论文》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184457A (en) * | 2019-05-31 | 2019-08-30 | 江西理工大学 | A kind of molybdenum concentrate decarburizer and the technique for reducing molybdenum concentrate carbon content |
| CN110184457B (en) * | 2019-05-31 | 2021-01-29 | 江西理工大学 | Molybdenum concentrate decarbonizer and process for reducing carbon content of molybdenum concentrate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106238214B (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104017601B (en) | A kind of residual oil slurry bed system method for hydrogen cracking and device | |
| CN103695036B (en) | Middle coalite tar processing and treating method | |
| Zhang et al. | Comparison of Fenton and bismuth ferrite Fenton-like pretreatments of sugarcane bagasse to enhance enzymatic saccharification | |
| CN103817015A (en) | Copper and lead separating cyanide-chrome-free beneficiation method for low-grade multi-metal sulfide ore | |
| CN104558238B (en) | Process for extracting sodium alginate | |
| CN101805077B (en) | Treating method of paper-making water recycling use in the production process of reconstituted tobacco | |
| US9879287B2 (en) | Process for dry fractionation of lignocellulosic biomass | |
| CN102153449A (en) | Continuous refining separation device and method for coal gasification crude phenol | |
| CN109174463B (en) | Collecting agent for flotation of oxidized coal slime, preparation method and flotation method | |
| CN106238214A (en) | A kind of molybdenum concntrate decarbonization process | |
| CN102274786A (en) | Coal slime two-stage flotation process with granularity smaller than 0.5mm | |
| CN100567446C (en) | The preparation method of drilling diluter of TARA sulfonated tannin | |
| CN109097403A (en) | A kind of preparation method of brown alga extract | |
| CN105085175A (en) | Refining agent and refining method of coal polymer grade glycol | |
| CN102585017B (en) | Preparation method of nanoscale solidago canadensis L. microcrystalline cellulose | |
| CN102838230A (en) | Method utilizing cation exchange resin to pretreat citrus processing wastewater | |
| CN103979710B (en) | Treatment method for starch processing waste water | |
| CN103549111A (en) | Separation preparation method of protein in soybean protein wastewater | |
| EP3555027B1 (en) | A process for producing crude bio-oil | |
| CN111423902B (en) | Demulsification synergist for thickened oil and preparation method thereof | |
| CN101985100B (en) | Filter aid for filtering tailings obtained by carrying out reverse flotation on phosphate ores and preparation method thereof | |
| CN106635153B (en) | A kind of processing method of the full cut of middle coalite tar | |
| CN105712468B (en) | A method of processing waste water difficult for biological degradation | |
| CN107151277B (en) | Method for pre-extracting hemicellulose in straws and pre-treating silicon | |
| CN110918261A (en) | Flotation coal slime collecting agent and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190925 Address after: 471200 Hanzhuang, Donggou Village, Fudian Town, Ruyang County, Luoyang City, Henan Province Patentee after: Jinduicheng Molybdenum Industry Ruyang Co., Ltd. Address before: 710077 No. 88, Kam Yip Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Patentee before: Jinduicheng Molybdenum Industry Co., Ltd. |