CN105482859B - Environmentally-friendly treatment type coal water slurry additive suitable for coal chemical industry coal water slurry preparing and waste mixing technology, and preparation method and use thereof - Google Patents
Environmentally-friendly treatment type coal water slurry additive suitable for coal chemical industry coal water slurry preparing and waste mixing technology, and preparation method and use thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1233—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/236—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
- C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2300/00—Mixture of two or more additives covered by the same group of C10L1/00 - C10L1/308
- C10L2300/20—Mixture of two components
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Abstract
The invention discloses an environmentally-friendly treatment type coal water slurry additive suitable for a coal chemical industry coal water slurry preparing and waste mixing technology. The additive comprises, by weight, 30-40% of a methylene naphthalene sulfonate-styrene sulfonate-octyl phenate high-molecular polymer aqua, 25-30% of sodium lignosulfonate, 2-6% of sodium carbonate, 2-8% of carboxymethyl cellulose, 1-5% of sodium diethylhexyl sulfosuccinate and 20-30% of water. The invention also discloses a preparation method and a use of the additive. Compared traditional additives, the additive disclosed in the invention has the advantages of reduction of the addition amount of the additive to every liter of a prepared coal water slurry by 0.2-0.6%, increase of the coal slurry effective gas yield by 0.5-2%, further reduction of requirements of adaptability to the type of coal water slurry gasified coal, and realization of coal blending slurry preparation, still can reach expected effects when the admixture amount of wastewater and wastes does not reach 8%, and is suitable for being used by general coal water slurry technology coal chemical industry enterprises.
Description
Technical field
The invention belongs to coal chemical technology, and in particular to a kind of ring that useless technique is mixed suitable for Coal Chemical Industry water-coal-slurry slurring
Protect improvement type slurries additive agent and preparation method and purposes.
Background technology
Slurries additive agent is a kind of auxiliary chemicals that will use in a large number in cool water mixture burning, gasification and conveying engineering.Mesh
Before, the exploitation of oil has not gradually caught up with use, and many countries have been put into quite big in terms of reasonable development petroleum replacing resource
Manpower and financial resources, develop the Technology using fat coal petroleum replacing, such as coal synthesis ammonia, ammonia from coal, coal H2Deng
Deng coal water slurry process technology.The application of this technology, it is necessary to which slurrying is carried out using the slurries additive agent of efficient low cost.It is existing
Slurries additive agent is poor to coal adaptability, needs to develop specific additive for a certain coal, and obtained water-coal-slurry has
Effect gas yield is low, stability is poor.Chinese patent 97107094.6 discloses a kind of tertiary copolymerized high-molecular-weight compound for water coal
Slurry additive, but this kind of material independent using effect in the case where useless operating mode is mixed is unsatisfactory.
The content of the invention
Goal of the invention：Present invention aims to the deficiencies in the prior art, there is provided a kind of to be applied to Coal Chemical Industry water coal
The environment protection treating type slurries additive agent of useless technique is mixed in slurry slurrying.
Another object of the present invention is to provide the preparation method of above-mentioned additive.
Third object of the present invention is the purposes for providing above-mentioned additive.
Technical scheme：In order to reach foregoing invention purpose, what the present invention was specifically performed by：It is a kind of to be applied to coalification
Work water-coal-slurry slurring mixes the environment protection treating type slurries additive agent of useless technique, including following components in percentage by weight：30～
40% methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation, 25～30% sulfomethylated lignin
Sour sodium, 2～6% sodium carbonate, 2～8% carboxymethyl cellulose, 1～5% aerosol-OT salt penetration agent and
20～30% water.
Wherein, the preparation step of the methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation
Suddenly it is：Take naphthalene, 8～20% sulphuric acid, 20～40% liquid caustic soda, 6～15% formaldehyde, 1 that percentage by weight is 5～10%～
8% styrene, 1～3% octyl phenol and 15～30% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Again with sulfur
Acid carries out sulfonating reaction and generates beta-naphthalenesulfonic-acid；By the beta-naphthalenesulfonic-acid for obtaining at 105～110 DEG C with formaldehyde, styrene, octyl phenol
Carry out condensation reaction；Cooling down is carried out again, and concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down,
The liquid caustic soda reaction that is hydrolyzed is added to obtain final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular at 40-50 DEG C
Polymer water preparation.
Wherein, the liquid caustic soda is replaced by alkali metal hydroxide or compound containing ammonium root.
Wherein, the sulfuric acid concentration is more than 98%, and liquid caustic soda concentration is more than 32%.
Wherein, the chemical formula of the methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer is：
R is sodium ion, otheralkali metal ion or ammonium ion.
Preferably, the present invention is by following components in percentage by weight：35% methanonaphthalene sulfonate-styrene sulfonic acid
Salt-octyl phenol salt high-molecular polymer water preparation, 27% sodium lignin sulfonate, 5% sodium carbonate, 6% carboxymethyl cellulose,
2% aerosol-OT salt penetration agent and 25% water.
The method for preparing the environment protection treating type slurries additive agent that useless technique is mixed suitable for Coal Chemical Industry water-coal-slurry slurring, presses
Formula measures each component and mixes 40～60min at normal temperatures.
The environment protection treating type slurries additive agent for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring is processing water-coal-slurry
In application.
Methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer in instant component is by multiple
It is synthesized into：Naphthalene is carried out at 160-165 DEG C molten naphthalene process；Carry out sulfonating reaction again with sulphuric acid and generate beta-naphthalenesulfonic-acid；Will
To beta-naphthalenesulfonic-acid carry out condensation reaction with formaldehyde, styrene, octyl phenol at 105～110 DEG C, with hydrochloric acid as catalyst；Again
Cooling down is carried out, concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, at 40-50 DEG C add
The liquid caustic soda reaction that is hydrolyzed obtains final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation.
Wherein main condensation reaction is as follows：
Beneficial effect：Compared with conventional art, in every L water-coal-slurry, addition reduces 2～6 ‰ to the present invention, the effective gas of coal slurry
Yield improves 0.5～2%, and the adaptability to coal water slurry gasification coal coal requires further to lower, and can carry out coal blending slurrying,
Still can be produced a desired effect in the case where waste water, amount of waste being mixed less than 8%, be adapted to the coalification of vast coal water slurry process
Work enterprise is adopted.
Specific embodiment
Embodiment 1：
Take naphthalene, 14% sulphuric acid, 37% liquid caustic soda, 11% formaldehyde, 5% styrene that percentage by weight is 8.6%,
3% octyl phenol and 21.4% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Sulfonating reaction life is carried out with sulphuric acid again
Into beta-naphthalenesulfonic-acid；The beta-naphthalenesulfonic-acid for obtaining is carried out into condensation reaction with formaldehyde, styrene, octyl phenol at 105～110 DEG C；Again
Cooling down is carried out, concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, at 40-50 DEG C add
The liquid caustic soda reaction that is hydrolyzed obtains final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation.
Take the component of percentage by weight：30% methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular gathers
Compound water preparation, 30% sodium lignin sulfonate, 4% sodium carbonate, 5% carboxymethyl cellulose, 1% sulfosuccinate two it is pungent
Ester sodium salt penetrating agent and 30% water, at normal temperatures mix 40～60min.
Embodiment 2：
Take naphthalene, 14% sulphuric acid, 37% liquid caustic soda, 11% formaldehyde, 5% styrene that percentage by weight is 8.6%,
3% octyl phenol and 21.4% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Sulfonating reaction life is carried out with sulphuric acid again
Into beta-naphthalenesulfonic-acid；The beta-naphthalenesulfonic-acid for obtaining is carried out into condensation reaction with formaldehyde, styrene, octyl phenol at 105～110 DEG C；Again
Cooling down is carried out, concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, add at 40-50 DEG C
Enter the liquid caustic soda reaction that is hydrolyzed and obtain final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation.
Take the component of percentage by weight：30% methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular gathers
Compound water preparation, 26% sodium lignin sulfonate, 6% sodium carbonate, 8% carboxymethyl cellulose, 5% sulfosuccinate two it is pungent
Ester sodium salt penetrating agent and 25% water, at normal temperatures mix 40～60min.
Embodiment 3：
Take naphthalene, 14% sulphuric acid, 37% liquid caustic soda, 11% formaldehyde, 5% styrene that percentage by weight is 8.6%,
3% octyl phenol and 21.4% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Sulfonating reaction life is carried out with sulphuric acid again
Into beta-naphthalenesulfonic-acid；The beta-naphthalenesulfonic-acid for obtaining is carried out into condensation reaction with formaldehyde, styrene, octyl phenol at 105～110 DEG C；Again
Cooling down is carried out, concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, at 40-50 DEG C add
The liquid caustic soda reaction that is hydrolyzed obtains final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation.
Take the component of percentage by weight：35% methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular gathers
Compound water preparation, 27 sodium lignin sulfonate, 5% sodium carbonate, 8% carboxymethyl cellulose, 5% sulfosuccinate dioctyl phthalate
Sodium salt penetrating agent and 20% water, at normal temperatures mix 40～60min.
Embodiment 4：
Take naphthalene, 14% sulphuric acid, 37% liquid caustic soda, 11% formaldehyde, 5% styrene that percentage by weight is 8.6%,
3% octyl phenol and 21.4% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Sulfonating reaction life is carried out with sulphuric acid again
Into beta-naphthalenesulfonic-acid；The beta-naphthalenesulfonic-acid for obtaining is carried out into condensation reaction with formaldehyde, styrene, octyl phenol at 105～110 DEG C；Again
Cooling down is carried out, concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, at 40-50 DEG C add
The liquid caustic soda reaction that is hydrolyzed obtains final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation.
Take the component of percentage by weight：40% methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular gathers
Compound water preparation, 28% sodium lignin sulfonate, 2% sodium carbonate, 2% carboxymethyl cellulose, 3% sulfosuccinate two it is pungent
Ester sodium salt penetrating agent and 25% water, at normal temperatures mix 40～60min.
Embodiment 5：
Take naphthalene, 14% sulphuric acid, 37% liquid caustic soda, 11% formaldehyde, 5% styrene that percentage by weight is 8.6%,
3% octyl phenol and 21.4% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Sulfonating reaction life is carried out with sulphuric acid again
Into beta-naphthalenesulfonic-acid；The beta-naphthalenesulfonic-acid for obtaining is carried out into condensation reaction with formaldehyde, styrene, octyl phenol at 105～110 DEG C；Again
Cooling down is carried out, concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, at 40-50 DEG C add
The liquid caustic soda reaction that is hydrolyzed obtains final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation.
Take the component of percentage by weight：40% methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular
Polymer water preparation, 25% sodium lignin sulfonate, 5% sodium carbonate, 6% carboxymethyl cellulose, 4% sulfosuccinate two
Monooctyl ester sodium salt penetrating agent and 20% water, at normal temperatures mix 40～60min.
Claims (8)
1. a kind of environment protection treating type slurries additive agent that useless technique is mixed suitable for Coal Chemical Industry water-coal-slurry slurring, its feature exist
In including following components in percentage by weight：30 ~ 40% methanonaphthalene sulfonate-styrene sulfonate-octyl group phenates high score
Sub- polymer water preparation, 25 ~ 30% sodium lignin sulfonate, 2 ~ 6% sodium carbonate, 2 ~ 8% carboxymethyl cellulose, 1 ~ 5% sulfonation
Dioctyl succinate sodium salt penetrating agent and 20 ~ 30% water.
2. the environment protection treating type water-coal-slurry for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring according to claim 1 adds
Plus agent, it is characterised in that the system of the methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer water preparation
For step it is：Take naphthalene, 8 ~ 20% sulphuric acid, 20 ~ 40% liquid caustic soda, 6 ~ 15% formaldehyde, 1 ~ 8% that percentage by weight is 5 ~ 10%
Styrene, 1 ~ 3% octyl phenol and 15 ~ 30% water, naphthalene is carried out at 160-165 DEG C molten naphthalene process；Sulphur is carried out with sulphuric acid again
Change reaction and generate beta-naphthalenesulfonic-acid；The beta-naphthalenesulfonic-acid for obtaining is condensed with formaldehyde, styrene, octyl phenol at 105 ~ 110 DEG C
Reaction；Cooling down is carried out again, and concentrated sulphuric acid is put at 70-80 DEG C carries out secondary response；After continue cooling down, in 40-50
DEG C when add the liquid caustic soda reaction that is hydrolyzed to obtain final product methanonaphthalene sulfonate-styrene sulfonate-octyl phenol salt high-molecular polymer
Water preparation.
3. the environment protection treating type water-coal-slurry for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring according to claim 2 adds
Plus agent, it is characterised in that the liquid caustic soda is replaced by alkali metal hydroxide or compound containing ammonium root.
4. the environment protection treating type water-coal-slurry that useless technique is mixed for Coal Chemical Industry water-coal-slurry slurring according to claim 1 and 2
Additive, it is characterised in that the chemical formula of the methanonaphthalene sulfonate-styrene sulfonate-octyl group phenates polymer is
R is sodium ion, otheralkali metal ion or ammonium ion.
5. the environment protection treating type water-coal-slurry for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring according to claim 2 adds
Plus agent, it is characterised in that the sulfuric acid concentration is more than 98%, and liquid caustic soda concentration is more than 32%.
6. the environment protection treating type water-coal-slurry for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring according to claim 1 adds
Plus agent, it is characterised in that consist of the following components in percentage by weight：35% methanonaphthalene sulfonate-styrene sulfonate-
Octyl group phenates polymer water agent, 27% sodium lignin sulfonate, 5% sodium carbonate, 6% carboxymethyl cellulose, 2% sulfosuccinate
Dioctyl phthalate sodium salt penetrating agent and 25% water.
7. the environment protection treating type water-coal-slurry for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring described in a kind of claim 1 adds
Plus the preparation method of agent, it is characterised in that each component is measured by formula mix 40 ~ 60min at normal temperatures.
8. the environment protection treating type water-coal-slurry for mixing useless technique suitable for Coal Chemical Industry water-coal-slurry slurring described in a kind of claim 1 adds
Plus application of the agent in water-coal-slurry is processed.
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| CN201510824316.7A CN105482859B (en) | 2015-11-24 | 2015-11-24 | Environmentally-friendly treatment type coal water slurry additive suitable for coal chemical industry coal water slurry preparing and waste mixing technology, and preparation method and use thereof |
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| CN201510824316.7A CN105482859B (en) | 2015-11-24 | 2015-11-24 | Environmentally-friendly treatment type coal water slurry additive suitable for coal chemical industry coal water slurry preparing and waste mixing technology, and preparation method and use thereof |
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| CN107892964B (en) * | 2018-01-02 | 2019-09-17 | 浙江大学 | A method of water-coal-slurry is prepared using coal chemical industrial waste water and slurries additive agent |
| CN109054914B (en) * | 2018-09-04 | 2020-09-04 | 南京楠达环保科技有限公司 | Environment-friendly coal water slurry additive for low-rank coal pulping and preparation method thereof |
| CN113969198B (en) * | 2021-10-27 | 2023-04-18 | 中国石油化工股份有限公司 | Coal water slurry and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027718B2 (en) * | 1983-07-28 | 1985-07-01 | 第一工業製薬株式会社 | Additive for pulverized coal-oil mixture |
| JPH0431496A (en) * | 1990-05-25 | 1992-02-03 | Dai Ichi Kogyo Seiyaku Co Ltd | Additive for pulverized coal/oil mixture |
| CN1062367A (en) * | 1990-11-01 | 1992-07-01 | 株式会社日本触媒 | The compositions of additives and the coal-water slurry compositions that are used for coal water slurry |
| CN1209439A (en) * | 1997-08-26 | 1999-03-03 | 南京大学 | Tertiary copolymerized high-molecular-weight compound and preparation method and use |
-
2015
- 2015-11-24 CN CN201510824316.7A patent/CN105482859B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027718B2 (en) * | 1983-07-28 | 1985-07-01 | 第一工業製薬株式会社 | Additive for pulverized coal-oil mixture |
| JPH0431496A (en) * | 1990-05-25 | 1992-02-03 | Dai Ichi Kogyo Seiyaku Co Ltd | Additive for pulverized coal/oil mixture |
| CN1062367A (en) * | 1990-11-01 | 1992-07-01 | 株式会社日本触媒 | The compositions of additives and the coal-water slurry compositions that are used for coal water slurry |
| CN1209439A (en) * | 1997-08-26 | 1999-03-03 | 南京大学 | Tertiary copolymerized high-molecular-weight compound and preparation method and use |
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Denomination of invention: The invention relates to an environmental protection treatment type coal water slurry additive suitable for coal chemical coal water slurry pulping and waste mixing process, and a preparation method and application thereof Effective date of registration: 20211011 Granted publication date: 20170426 Pledgee: Bank of China Limited Yixing branch Pledgor: YIXING CITY XINGGUANG BAOYI CHEMICAL Co.,Ltd. Registration number: Y2021980010513 |