CN108018094A - A kind of slurries additive agent and preparation method thereof and the water-coal-slurry with its preparation - Google Patents
A kind of slurries additive agent and preparation method thereof and the water-coal-slurry with its preparation Download PDFInfo
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- CN108018094A CN108018094A CN201711313335.9A CN201711313335A CN108018094A CN 108018094 A CN108018094 A CN 108018094A CN 201711313335 A CN201711313335 A CN 201711313335A CN 108018094 A CN108018094 A CN 108018094A
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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
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
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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
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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
- C10L1/125—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof water
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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
- C10L1/1266—Inorganic compounds nitrogen containing compounds, (e.g. NH3)
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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
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
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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
- C10L1/30—Organic compounds compounds not mentioned before (complexes)
- C10L1/301—Organic compounds compounds not mentioned before (complexes) derived from metals
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Abstract
Water-coal-slurry the present invention provides a kind of slurries additive agent and preparation method thereof and with its preparation.The additive is polyethylene glycol molybdenum type, contains polyethylene glycol molybdenum, polyethylene glycol, ammonia and ammonium salt, cosolvent and water.Polyethylene glycol molybdenum has special double-ring figure-eight knot structure, relative to the long chain structure of conventional additive such as lignin sulfonic acid system, dispersion effect is more preferable, viscosity of coal slurry is lower, stability more preferably, slurry concentration higher.And the size of cyclic structure is adjusted by varying the size of polyethylene glycol polymeric degree, has the function that to control coal slurry granularity, prevents coal particle from excessively assembling, influence coal slurry performance.
Description
Technical field
The present invention relates to a kind of slurries additive agent, a kind of particularly polyethylene glycol molybdenum type slurries additive agent.
Technical background
Coal water slurry gasification is one of clean coal technology that last century the eighties are risen, and is added using coal, water and a small amount of chemistry
Add agent to be configured to the vaporized stove of water-coal-slurry to be reacted, produce CO and H2For industrial application.Water-coal-slurry of good performance should have
There is the characteristics of concentration is high, viscosity is low, good fluidity and stabilization time are long.Viscosity in aqueous coal slurries is lower under equal conditions, its mobility
It is better, can slurry concentration it is higher, gasification unit consumption it is lower.Nonpolar coal particle is dispersed in the water of polarity, belongs to thermodynamics not
Stabilising system.
The performance of coal slurry is usually improved by adding slurries additive agent, coal particle is dispersed in by slurries additive agent
In water flowing phase, the mobility and stability of coal slurry are improved, its mechanism is to be adsorbed by space steric effect, lipophilic group in coal
Particle surface, hydrophilic radical absorption stop the reunion of coal particle in water phase, isolation, realize the scattered of coal.Common water-coal-slurry has wood
Quality sulfonic acid system, naphthalene system, humic acid system and nonionic system, are long chain structure, and dispersion performance is poor, viscosity of coal slurry decline and
Stability improves limited.
Patent CN106118764 discloses a kind of lignosulfonic acid element salt slurries additive agent, and main component is naphthalene system diminishing
Agent, sodium metasilicate, lignosulfonic acid element etc., are still conventional wooden sulfonic acid element-naphthalene system additive.
Patent CN103232869 announce slurries additive agent, mainly using sodium tripolyphosphate, polyethylene glycol, maleic acid-
Methacrylic acid copolymer sodium salt is made, and can meet slurry concentration >=58%, viscosity ＜ 1200mPas.The patent mainly be
Industrial wastewater/NF concentrated water reuse is solved the problems, such as, not mainly for high concentration coal slurry, water-coal-slurry slurry concentration relatively low (58%
Left and right).
Patent CN105695001 discloses a kind of tar oil type slurries additive agent, proposes using washing oil, naphtalene oil, carbolineum, makes
Paper waste liquid is primary raw material, the methods of by sulfonation, condensation, for low-order coal surface void is flourishing, the strong the characteristics of system of hydrophily
For slurries additive agent.
Above-mentioned patent is prepared for slurries additive agent using distinct methods, but the granularity for all failing effectively control coal slurry is big
It is small, it is impossible to effectively improve coal-water fluid concentration, reunion, the sedimentation of coal slurry can not be substantially reduced.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of polyethylene glycol molybdenum type slurries additive agent and preparation method thereof.This
Invention is in view of the above-mentioned problems, provide a kind of polyethylene glycol molybdenum type slurries additive agent and preparation method thereof.Polyethylene glycol molybdenum type
Slurries additive agent has special " 8 " word double-ring structure, and chain structure disperses performance longer than tradition is more preferable, enhances coal
Grain and the compatibility between mobile phase (water phase), reduce viscosity of coal slurry, improve the mobility and stability of coal slurry.And by changing
The size for becoming polyethylene glycol polymeric degree adjusts the size of cyclic structure, has the function that to control coal slurry granularity, prevents coal particle mistake
Degree aggregation, influences coal slurry performance.Present invention also offers the preparation method of polyethylene glycol molybdenum, the poly- second two prepared using this method
Alcohol molybdenum type slurries additive agent, has the advantages that good dispersion, coal slurry slurry concentration are high.
New ring-type slurries additive agent can not only realize the effect of traditional coal-water-slurry, can also realize control coal slurry
The effect of granularity, effectively improves coal-water fluid concentration, and substantially reduces the reunion of coal slurry, sedimentation.
To solve above technical problem, the present invention provides following technical solution：
A kind of slurries additive agent, it contains polyethylene glycol molybdenum, its structural formula shown in formula I,
The integer of n=2-68, the preferably integer of 11-34 wherein in Formulas I.
A kind of slurries additive agent, includes following components：Calculated on the basis of the gross weight of additive,
A kind of method for the slurries additive agent for preparing the polyethylene glycol molybdenum containing structural formula I, comprises the following steps：Each original
Dosage is expected in terms of molfraction,
(1) 1 part of polyethylene glycol is dissolved in 2-500 parts of organic solvents, adds 0.5-1.5 parts afterwards, preferably 0.85-
Halo polyethylene glycol mixed liquor is made in 1.05 portions of halogenating agents；
(2) by 0.15-0.3 parts, preferably 0.2-0.25 parts of ammonium dimolybdate is dissolved in 7-100 parts, preferably 60-80 part water,
Then it is uniformly mixed with the halo polyethylene glycol mixed liquor obtained in step (1), adds 1.1-1.5 parts, preferably 1.2-1.3 parts
10-30wt%H2O2(with H2O2Molal quantity meter) after, 1-20wt% sulphur acid for adjusting pH is added dropwise to 0.5-1.5, reaction generates poly- second
Glycol molybdenum；
(3) persistently stir and lift temperature to 70-90 DEG C, preferably 75-85 DEG C, absolute pressure 30-50kPa, preferably 35-
45kPa, when persistently 2-6 is small, is evaporated off light component；
(4) ammonium hydroxide, water and hydrotropy dilution agent are added after cooling down to room temperature, adjusts pH value of solution to 8-10, you can be made
The slurries additive agent.
The average molecular weight of polyethylene glycol in step (1) of the present invention is 100-3000, preferably 500-1500.
Organic solvent in step (1) of the present invention can use solvent well known in the art, include but not limited to three
Chloromethanes, bromoform etc., preferably chloroform.
Reaction temperature in step (1) of the present invention is 25-50 DEG C, absolute pressure 30-50kPa, reaction time 1-
2h。
Halogenating agent described in step (1) of the present invention includes but not limited to thionyl chloride (SOCl2), trimethyl protobromide
Sulfone (C3H9) and Trimethylsulfoxonium Iodide (C SOBr3H9SOI) etc..
25-50 DEG C of reaction temperature in step (2) of the present invention, pressure 30-50kPa (absolute pressure), reaction time 0.5-2
Hour.
Cosolvent in step (4) of the present invention is a kind of in methanol, ethanol, normal propyl alcohol, isopropanol and ethylene glycol
It is or a variety of.
The dosage of cosolvent in step (4) of the present invention should be less than the 20wt% of slurries additive agent gross weight, excellent
Select 3~8%.
Water consumption in step (4) of the present invention, should ensure that the last gained slurries additive agent solution concentration for preparing is
10-50wt%, with the weight of polyethylene glycol molybdenum, polyethylene glycol, ammonia and ammonium salt and cosolvent and the gross weight percentage with additive
Than calculating.
The slurries additive agent of the preparation of the present invention is the solution of concentration 10-50%, according to the butt of additive during use
The percentage of quality and coal butt quality is 0.2-1wt%, can be met the requirements after being stirred evenly added in water-coal-slurry
Water-coal-slurry.
This slurries additive agent is used according to the method described above, and by taking bituminous coal/ub-bituminous coal as an example, water coal slurry concentration reaches 65-
During 68wt%, coal slurry apparent viscosity is 1000 ± 100mPa.s, stands 24h without irrecoverable hard precipitation.
Embodiment
The present invention will be further described for example below.
The indexs such as water coal slurry concentration, syneresis rate and mobility and detection method are carried out according to GB-/T 18855-2008.
Infrared radiation detection apparatus：Model Spectrum Two (PerkinElmer).
Viscosity apparatus：Model NXS-4C (national water-coal-slurry engineering development center)
Rapid moisture apparatus：Model M35M (Sai Duolisi scientific instrument (Beijing) Co., Ltd)
Embodiment 1
20g (0.2mol) polyethylene glycol -100 is dissolved in 100g chloroform solvents, 25 DEG C of temperature of control, normal pressure,
Stir 1 it is small when be completely dissolved.11.9g (0.1mol) thionyl chloride is added, controlled at 40 DEG C, pressure 30kPa (absolute pressure), holds
It is continuous 2 it is small when the reaction was complete.Separately take 17g (0.05mol) ammonium dimolybdate to be placed in 34g water, be stirred and add with aforementioned liquids
27g30wt% (0.238mol ratios 1.19 belong to 1.1-1.5) hydrogen peroxide, it is 1 that 10wt% sulfuric acid, which is progressively added dropwise, to pH, is controlled
50 DEG C of reaction temperature, pressure 30kPa (absolute pressure).Above-mentioned reaction continue 1 it is small when after lift temperature to 80 DEG C, maintain pressure 30kPa
(absolute pressure), continue 4 it is small when.Thereafter temperature to 25 DEG C of addition 20wt% ammonium hydroxide and water are reduced and are diluted to 93g, pH=10, obtain poly- second
Glycol molybdenum type slurries additive agent, its composition are as follows：
Slurries additive agent is measured using infrared radiation detection apparatus, parsing collection of illustrative plates is as follows：1. in 1455cm-1、2859cm-1Suction
Receive peak and indicate-CH2- presence；2. about 1100cm-1For the characteristic absorption peak of C-O-C, it was demonstrated that have the feature official of polyethylene glycol
Ehter bond can be rolled into a ball；③905cm-1For Mo=O double bond characteristic peaks, 450cm-1And 558cm-1For Mo-O singly-bound characteristic peaks, illustrate PEG with
The form of C-O-Mo is connected with Mo.
The above-mentioned slurries additive agent of coal dust 76.5g and 0.2g (butt quality) is taken, is diluted with water to 100g, the system of stirring evenly
Obtain flowable water-coal-slurry.
It is B according to standard method detection mobility, measuring above-mentioned slurry using viscosity apparatus is in 25 DEG C of apparent viscosities
1070mPas, rapid moisture apparatus measure coal-water fluid concentration 65.1wt%, stand 24h without irrecoverable hard precipitation.
Embodiment 2
60g (0.02mol) polyethylene glycol -3000 is dissolved in 200g (1.65mol) chloroform solvent, controls temperature
25 DEG C, normal pressure, stirring 1 is completely dissolved when small.Add 2.38g (0.02mol) thionyl chloride, controlled at 40 DEG C, pressure
30kPa (absolute pressure), continue 2 it is small when the reaction was complete.Separately 1.7g (0.005mol) ammonium dimolybdate is taken to be dissolved in 10g water, it is and foregoing
Liquid agitation is mixed and added into 2.94g30wt% (0.026mol) hydrogen peroxide, and it is 1 that 10wt% sulfuric acid, which is progressively added dropwise, to pH, is controlled
50 DEG C of reaction temperature processed, pressure 30kPa (absolute pressure).Above-mentioned reaction continue 1 it is small when after lifted temperature to 80 DEG C, maintain pressure
30kPa (absolute pressure), continue 4 it is small when.Thereafter reduce temperature to 25 DEG C add 20wt% ammonium hydroxide, 50g ethanol and water be diluted to 600g,
PH=10, obtains polyethylene glycol molybdenum type slurries additive agent, its composition is as follows：
The above-mentioned slurries additive agent of coal dust 74.3g and 0.2g (butt quality) is taken, is diluted with water to 100g, the system of stirring evenly
Obtain flowable water-coal-slurry.
It is A- according to standard method detection mobility, measuring above-mentioned slurry using viscosity apparatus is in 25 DEG C of apparent viscosities
880mPas, rapid moisture apparatus measure coal-water fluid concentration 63.2wt%, stand 24h without irrecoverable hard precipitation.
Embodiment 3
40g (0.04mol) polyethylene glycol-1000 is dissolved in 200g (1.65mol) chloroform solvent, controls temperature
25 DEG C, normal pressure, stirring 1 is completely dissolved when small.4.4g (0.02mol) Trimethylsulfoxonium Iodide is added, controlled at 40 DEG C, pressure
Power 30kPa (absolute pressure), continue 2 it is small when the reaction was complete.Separately 4.08g (0.012mol) ammonium dimolybdate is taken to be dissolved in 15g water, it is and preceding
State liquid agitation and be mixed and added into 6.8g30wt% (0.06mol) hydrogen peroxide, it is 1 that 10wt% sulfuric acid, which is progressively added dropwise, to pH, is controlled
50 DEG C of reaction temperature processed, pressure 30kPa (absolute pressure).Above-mentioned reaction continue 1 it is small when after lifted temperature to 80 DEG C, maintain pressure
30kPa (absolute pressure), continue 4 it is small when.Thereafter temperature to 25 DEG C of addition 20wt% ammonium hydroxide, 40g ethylene glycol and water is reduced to be diluted to
200g, pH=10, obtain polyethylene glycol molybdenum type slurries additive agent, its composition is as follows：
The above-mentioned slurries additive agent of coal dust 76.1g and 0.2g (butt quality) is taken, is diluted with water to 100g, the system of stirring evenly
Obtain flowable water-coal-slurry.
It is B according to standard method detection mobility, measuring above-mentioned slurry using viscosity apparatus is in 25 DEG C of apparent viscosities
930mPas, rapid moisture apparatus measure coal-water fluid concentration 64.8wt%, stand 24h without irrecoverable hard precipitation.
Embodiment 4
20g (0.02mol) polyethylene glycol-1000 is dissolved in 200g (1.65mol) bromoform solvent, controls temperature
25 DEG C, normal pressure, stirring 1 are completely dissolved when small.1.73g (0.01mol) trimethyl thionyl bromide is added, controlled at 40 DEG C,
Pressure 30kPa (absolute pressure), continue 2 it is small when the reaction was complete.Separately 1.02g (0.003mol) ammonium dimolybdate is taken to be dissolved in 30g water, with
Aforementioned liquids are stirred and add 2.5g30wt% hydrogen peroxide (0.022mo), and 20wt% sulfuric acid is progressively added dropwise and adjusts pH=
1.5,50 DEG C of controlling reaction temperature, pressure 30kPa (absolute pressure).Above-mentioned reaction continue 1 it is small when after lifted temperature to 80 DEG C, maintain pressure
Power 30kPa (absolute pressure), continue 4 it is small when.Thereafter temperature to 25 DEG C of addition 20wt% ammonium hydroxide, 10g normal propyl alcohols and water is reduced to be diluted to
100g, pH=10, obtain polyethylene glycol molybdenum type slurries additive agent.
The above-mentioned slurries additive agent of coal dust 75.6g and 0.2g (butt quality) is taken, is diluted with water to 100g, the system of stirring evenly
Obtain flowable water-coal-slurry.
It is B+ according to standard method detection mobility, measuring above-mentioned slurry using viscosity apparatus is in 25 DEG C of apparent viscosities
820mPas, rapid moisture apparatus measure coal-water fluid concentration 64.3wt%, it is as follows without irrecoverable hard precipitation, its composition to stand 24h：
Comparative example 1
20g polyethylene glycol -100 is added among 75g water, 5g ammonium dimolybdates is added and stirs evenly.Take coal dust 76.5g and
The above-mentioned solution of 0.8g, adds 20wt% ammonium hydroxide and water to be diluted to 100g, pH=10, and not forming flowable slurry after stirring, (system is in
Paste, is D according to standard method detection mobility), viscosity (＞ 4000mPas) can not be measured.
Comparative example 2
Coal dust 76.5g and 0.2g lignosulfonic acid element slurries additive agent (butt quality) is taken, adds 20wt% ammonium hydroxide and water dilute
Release to 100g, pH=10, do not form flowable slurry (system is D according to standard method detection mobility in the pasty state) after stirring,
Viscosity (＞ 4000mPas) can not be measured.
Claims (10)
1. a kind of slurries additive agent, it contains polyethylene glycol molybdenum, its structural formula is：
The integer of the wherein integer of n=2-68, preferably 11-34.
2. a kind of slurries additive agent, includes following components：Calculated on the basis of the gross weight of additive：
3. slurries additive agent according to claim 1 or 2, it is characterised in that the cosolvent be selected from methanol, ethanol,
It is one or more in normal propyl alcohol, isopropanol and ethylene glycol.
4. according to claim 1-3 any one of them slurries additive agents, it is characterised in that the additive solution concentration is
10-50wt%, with the weight of polyethylene glycol molybdenum, polyethylene glycol, ammonia and ammonium salt and cosolvent and the gross weight percentage with additive
Than calculating.
5. according to claim 1-4 any one of them slurries additive agents, it is characterised in that the preparation side of the additive
Method, comprises the following steps：Each raw material dosage in terms of molfraction,
(1) mixing of halo polyethylene glycol is made in 1 part of polyethylene glycol and 0.5-1.5 parts, preferably 0.85-1.05 parts of halogenating agent reaction
Liquid；
(2) 0.15-0.3 parts will be contained, the aqueous solution of preferably 0.2-0.25 parts of ammonium dimolybdate gathers with the halo obtained in step (1)
Ethylene glycol mixture is uniformly mixed, and adds 1.1-1.5 parts, preferably 1.2-1.3 parts of H2O2Afterwards, pH to 0.5-1.5 is adjusted；
(3) it is 70-90 DEG C in temperature by reaction solution obtained by step (2), preferably 75-85 DEG C, absolute pressure 30-50kPa, preferably
Under the conditions of 35-45kPa, light component is evaporated off；
(4) ammonium hydroxide, water and hydrotropy dilution agent are added in the material obtained to step (3), pH value of solution is adjusted to 8-10, is made described
Slurries additive agent.
6. according to claim 1-5 any one of them slurries additive agents, it is characterised in that the poly- second in the step (1)
The average molecular weight of glycol is 100-3000, preferably 500-1500.
7. the slurries additive agent according to claim 5 or 6, it is characterised in that the halogenating agent in the step (1) includes
One or more in thionyl chloride, trimethyl thionyl bromide and Trimethylsulfoxonium Iodide.
8. according to claim 5-7 any one of them slurries additive agents, it is characterised in that the reaction in the step (1)
Temperature is 25-50 DEG C, absolute pressure 30-50kPa；25-50 DEG C of the temperature of the step (2), absolute pressure 30-50kPa.
9. a kind of method for preparing water-coal-slurry, comprises the following steps：By claim 1-8 any one of them slurries additive agents
Percentage according to slurries additive agent butt quality and coal butt quality is 0.2-1wt%, is mixed added in water-coal-slurry equal
It is even, obtain water-coal-slurry.
A kind of 10. water-coal-slurry that method according to claim 9 is prepared.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249458A (en) * | 2021-12-21 | 2022-03-29 | 福建清源科技有限公司 | Method for treating high-concentration polyvinyl alcohol wastewater by using coal water slurry in synergistic manner and coal water slurry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102923A (en) * | 1987-04-23 | 1988-11-09 | 中国科学院感光化学研究所 | High-concentration water-coal-slurry additive |
| CN101007972A (en) * | 2007-01-26 | 2007-08-01 | 江苏工业学院 | Process for preparing coal water slurry additive and its application method |
| CN101550369A (en) * | 2008-12-26 | 2009-10-07 | 新奥新能(北京)科技有限公司 | Water-coal-slurry additive and preparation method thereof |
-
2017
- 2017-12-12 CN CN201711313335.9A patent/CN108018094B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102923A (en) * | 1987-04-23 | 1988-11-09 | 中国科学院感光化学研究所 | High-concentration water-coal-slurry additive |
| CN101007972A (en) * | 2007-01-26 | 2007-08-01 | 江苏工业学院 | Process for preparing coal water slurry additive and its application method |
| CN101550369A (en) * | 2008-12-26 | 2009-10-07 | 新奥新能(北京)科技有限公司 | Water-coal-slurry additive and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249458A (en) * | 2021-12-21 | 2022-03-29 | 福建清源科技有限公司 | Method for treating high-concentration polyvinyl alcohol wastewater by using coal water slurry in synergistic manner and coal water slurry |
| CN114249458B (en) * | 2021-12-21 | 2023-09-26 | 福建清源科技有限公司 | Method for cooperatively treating high-concentration polyvinyl alcohol wastewater by coal water slurry and coal water slurry |
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