CN109135852A - A kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent - Google Patents
A kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent Download PDFInfo
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- CN109135852A CN109135852A CN201811016473.5A CN201811016473A CN109135852A CN 109135852 A CN109135852 A CN 109135852A CN 201811016473 A CN201811016473 A CN 201811016473A CN 109135852 A CN109135852 A CN 109135852A
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- waste liquid
- molasses
- modification
- coal
- dispersing agent
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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
Abstract
The present invention discloses a kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent, technique and applying step are as follows: and the pH for 1) being adjusted with acid molasses waste liquid is 4 ~ 6, obtains A liquid, 2) use UV/O3、UV/H2O2、UV/TiO2And O3/H2O2Oxidation technology carries out oxidation modification to A liquid, obtains B liquid, 3) it is 8 ~ 11 with the pH that sodium hydroxide adjusts B liquid, obtains molasses modifications waste liquid, 4) the molasses waste liquid of the modification is used for the preparation of water-coal-slurry, there is the slurries additive agent for dispersing and stablizing dual function.The modification of molasses waste liquid provided by the invention and coal water slurry dispersing agent, it can be improved the sticky and stability of water-coal-slurry, have a safety feature, not spontaneous combustion, it is nontoxic, non-corrosive, experimental implementation is easy, and addition content is lower than same common coal water slurry dispersing agent, raw material is cheap and easy to get, has very high application prospect.
Description
Technical field
The present invention relates to a kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent, especially water-coal-slurry to add
Application in agent.
Background technique
The Energy Situation of rich coal resources in China, few gas rich in coal and poor in oil decide in the following quite a long time
Interior, energy consumption structure is still based on coal.But coal-fired bring problem of environmental pollution is on the rise, this allows for China
Coal production and consumption development have to be improved coal effective use with clean coal technology and reduced based on this 3 points of disposal of pollutants
Want direction.However one of the important composition as clean coal technology, coal water slurry gasification technology have been a concern.Water-coal-slurry is one
Kind novel coal base fluid fuel, it had not only maintained the original physical property of coal, but also mobility and stability with image-stone as oily,
It can store, pump, be atomized and stablize burning, referred to as liquid coal product.It is a kind of preferably for oil liquid fluid fuel, by
The great attention of countries in the world is arrived.
The main function of coal water slurry dispersing agent is the wetting property for changing coal particle surface in coal slurry, promotes coal grain evenly dispersed
Yu Shuizhong, and improve fluidity of slurry.In recent years, mainly there are naphthalene system, Lignins, humic acid system for coal water slurry dispersing agent,
Polyolefin, polycarboxylate system, sulfonated acetone formaldehyde condensation products and non-ionic dispersing agent etc..However, big in these dispersing agents
Majority is using oil product as raw material, and not only price is high, but also is easy to produce environmental pollution.It is a kind of honest and clean therefore, it is necessary to develop
Valence and there is fine dispersion effect to water-coal-slurry, and improves the environment amenable coal water slurry dispersing agent of water-coal-slurry mobility.
Summary of the invention
Aiming at the shortcomings in the prior art, the present invention provides a kind of modification of molasses waste liquid and the preparation of coal water slurry dispersing agent
Method.
Technical scheme is as follows:
A kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent, technique and applying step are as follows: 1) be adjusted with acid
The pH of molasses waste liquid is 4 ~ 6, obtains A liquid, 2) use UV/O3、UV/H2O2、 UV/TiO2And O3/H2O2Oxidation technology is to A liquid
Carry out oxidation modification, obtain B liquid, 3) it is 8 ~ 11 with the pH that sodium hydroxide adjusts B liquid, obtains molasses modifications waste liquid, 4) this is changed
Property molasses waste liquid be used for water-coal-slurry preparation, have disperse and stablize dual function slurries additive agent.
Preferably, the modification of the molasses waste liquid and coal water slurry dispersing agent, it is characterised in that: described to be adjusted with acid
The pH for saving molasses waste liquid is 4 ~ 6, and acid used is the sulfuric acid of 1 mo l/ L, obtains A liquid.
Preferably, the modification of the molasses waste liquid and coal water slurry dispersing agent, it is characterised in that: the use
UV/O3、UV/H2O2、 UV/TiO2And O3/H2O2Oxidation technology carries out oxidation modification to A liquid, obtains B liquid.
Preferably, the modification of the molasses waste liquid and coal water slurry dispersing agent, it is characterised in that: described to use hydrogen-oxygen
Changing sodium to adjust the pH of B liquid is 8 ~ 11, obtains molasses modifications waste liquid.
Further, the modification of the molasses waste liquid and coal water slurry dispersing agent, raw material composition are as follows: 50% modified sugars
Sweet waste liquid, 24% naphthalene, 2% polycarboxylate dispersant, 24% lignin, total amount 100%；The percentage is mass percent.
Further, the modification of the molasses waste liquid and coal water slurry dispersing agent, raw material composition are as follows: 68% modified sugars
Sweet waste liquid, 24% naphthalene, 2% polycarboxylate dispersant, 6% lignin, total amount 100%；The percentage is mass percent.
Further, the modification of the molasses waste liquid and coal water slurry dispersing agent, raw material composition are as follows: 80% modified sugars
Sweet waste liquid, 18% naphthalene, 2% polycarboxylate dispersant, total amount 100%；The percentage is mass percent.
Further, the modification of the molasses waste liquid and coal water slurry dispersing agent, raw material composition are as follows: 85% modified sugars
Sweet waste liquid, 13% naphthalene, 2% polycarboxylate dispersant, total amount 100%；The percentage is mass percent.
The modification of above-mentioned molasses waste liquid and the preparation method of coal water slurry dispersing agent the steps include: to incite somebody to action according to formula rate
Molasses it is waste liquid modified after and naphthalene, polycarboxylate dispersant and lignin dispersion mixing uniformly to get.
A kind of modification of molasses waste liquid provided by the invention and coal water slurry dispersing agent, to effective dispersant mechanism,
Molasses waste liquid is modified and optimizes its functional group that can play peptizaiton, and filters out and can play synergistic effect with it
, cheap, nontoxic substance, addition polymolecularity can polycarboxylate salt dispersant can will be contacted after coal dust high degree of dispersion first
Coal water slurry dispersing agent is permeated secondly by dispersion, is reduced coal dust by the activation energy that oxidation of coal reacts by catalysis, be can be improved again
The utilization rate of water-coal-slurry reduces the addition content of dispersing agent, economical and practical.
Beneficial effects of the present invention: the modification of molasses waste liquid provided by the invention and coal water slurry dispersing agent have used chemistry
The good polymeric polycarboxylic acid dispersing agent of stability, without containing corrosion equipment halide ion, can be improved water-coal-slurry viscosity and
Stability has a safety feature, not spontaneous combustion, nontoxic, non-corrosive, and experimental implementation is easy, and addition content is than same common water-coal-slurry
Dispersing agent is low, and raw material is cheap and easy to get, have very high application prospect, the physics such as advanced catalysis, modification, chemical technology it is compound and
At, using with molasses modifications act synergistically the effective compound preparation of good special dispersing agent polycarboxylic acids, naphthalene and lignin and
Its volume is low, sufficiently improves the dispersion rate of water-coal-slurry, improves the stability and viscosity of water-coal-slurry.It has the advantage that
1) actual amount is less than common coal water slurry dispersing agent, and additive amount is only the 0.06%-0.08% of coal dosage；
2) chemical stability is preferable, improves the stability and viscosity of water-coal-slurry.
3) ion etc. is halogen-free to the element of sinter leaching systemic adverse；
4) price is low, non-corrosive, "dead", nontoxic, is not belonging to hazardous chemical.
Specific embodiment
The present invention is illustrated below with reference to example:
Embodiment 1: a kind of modification of molasses waste liquid and coal water slurry dispersing agent, the preparation method is as follows: 1) being adjusted with acid molasses waste liquid
PH be 4 ~ 6, obtain A liquid, 2) use UV/O3、UV/H2O2、 UV/TiO2And O3/H2O2Oxidation technology aoxidizes A liquid
Modified, obtain B liquid, 3) be 8 ~ 11 with the pH that sodium hydroxide adjusts B liquid, obtain molasses modifications waste liquid, 4) by the molasses of the modification
Preparation of the waste liquid for water-coal-slurry is formulated by weight by following compositions: by 50% molasses modifications waste liquid, 24% naphthalene, 2% poly- carboxylic
Acid dispersant, 24% lignin, total amount 100%；The percentage is mass percent.
Embodiment 2
A kind of modification of molasses waste liquid and coal water slurry dispersing agent, the preparation method is as follows: the pH for 1) being adjusted with acid molasses waste liquid be 4 ~
6, obtain A liquid, 2) use UV/O3、UV/H2O2、 UV/TiO2And O3/H2O2Oxidation technology carries out oxidation modification to A liquid, obtains
B liquid, 3) the molasses waste liquid of the modification be 8 ~ 11 with the pH that sodium hydroxide adjusts B liquid, obtain molasses modifications waste liquid, 4) is used for water
The preparation of coal slurry is formulated by weight by following compositions: by 68% molasses modifications waste liquid, 24% naphthalene, 2% polycarboxylate dispersant,
6% lignin, total amount 100%；The percentage is mass percent.
Embodiment 3
A kind of modification of molasses waste liquid and coal water slurry dispersing agent, the preparation method is as follows: the pH for 1) being adjusted with acid molasses waste liquid be 4 ~
6, obtain A liquid, 2) use UV/O3、UV/H2O2、 UV/TiO2And O3/H2O2Oxidation technology carries out oxidation modification to A liquid, obtains
B liquid, 3) the molasses waste liquid of the modification be 8 ~ 11 with the pH that sodium hydroxide adjusts B liquid, obtain molasses modifications waste liquid, 4) is used for water
The preparation of coal slurry is formulated by weight by following compositions: by 80% molasses modifications waste liquid, 18% naphthalene, 2% polycarboxylate dispersant,
Total amount 100%；The percentage is mass percent.
Embodiment 4
A kind of modification of molasses waste liquid and coal water slurry dispersing agent, the preparation method is as follows: the pH for 1) being adjusted with acid molasses waste liquid be 4 ~
6, obtain A liquid, 2) use UV/O3、UV/H2O2、 UV/TiO2And O3/H2O2Oxidation technology carries out oxidation modification to A liquid, obtains
B liquid, 3) the molasses waste liquid of the modification be 8 ~ 11 with the pH that sodium hydroxide adjusts B liquid, obtain molasses modifications waste liquid, 4) is used for water
The preparation of coal slurry is formulated by weight by following compositions: by 85% molasses modifications waste liquid, 13% naphthalene, 2% polycarboxylate dispersant,
Total amount 100%；The percentage is mass percent.
The modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent, step are as follows: according in embodiment 1 to embodiment 4
Formula rate, by molasses modifications, naphthalene, lignin, polycarboxylate dispersant's dispersion mixing is uniformly to get coal water slurry dispersing agent product 1
To product 4.
Molasses modifications waste water cws dispersing agent produced above is subjected to water-coal-slurry according to water-coal-slurry wet process pulping stage
Experiment is slurried.
1,20kg experiment coal is weighed, is broken being poured into jaw crusher after the preparatory hand breaking of coal of bulk relatively
It is broken；
2, the coal dust being crushed is added to the coal water slurry dispersing agent that will be made into certain mass score simultaneously in rod mill and make above
Aqueous solution (200 grams of solid content) is added together, and the water (7kg) of certain mass is added further according to demand, three is uniformly mixed；It opens
It opens rod mill and carries out slurrying, mixing time 30min；
3, water-coal-slurry is collected, each performance of slurry is detected；Water-coal-slurry performance see the table below
When being added without additive during water-coal-slurry slurring as seen from the above table, then slurry concentration obtained is low, poor fluidity, apparently
Viscosity is big, and stability is poor.And when increasing with the amount that molasses modifications waste liquid is added, the slurry stability of water-coal-slurry is good, mobility
Well, this can greatly replace the additive amount of naphthalene and lignin in water-coal-slurry to reduce coal water slurry dispersing agent cost and
Improve the slurry performance of water-coal-slurry.
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to use equivalent replacement
Or equivalent transformation mode technical solution obtained, it is within the scope of the present invention.
Claims (5)
1. a kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent, prepare as follows:
1) a certain amount of molasses waste liquid is taken, adjusting molasses waste liquor PH with acetum is 4 ~ 5, obtains molasses waste liquid A liquid；
2) oxidation modification is carried out to molasses waste liquid A liquid using high-level oxidation technology, obtains molasses waste liquid B liquid, the advanced oxygen
Change technology is UV/O3、UV/H2O2Or O3/H2O2；
3) it is 8 ~ 11 with the pH that sodium hydroxide adjusts molasses waste liquid B, obtains molasses modifications waste liquid.
2. a kind of modification of molasses waste liquid according to claim 1 and the preparation method of coal water slurry dispersing agent, feature exist
In the pH that the acetic acid adjusts molasses waste liquid is 4 ~ 6, and acid used is the sulfuric acid of 1 mo l/ L.
3. a kind of modification of molasses waste liquid according to claim 1 and the preparation method of coal water slurry dispersing agent, feature exist
High-level oxidation technology described in step Zou 2) is UV/O3, step 1) molasses waste liquid obtained is added in reactor,
It is passed through ozone, ultraviolet lamp is opened, reacts ozone sufficiently with molasses, obtain molasses modifications waste liquid.
4. a kind of modification of molasses waste liquid according to claim 1 and the preparation method of coal water slurry dispersing agent, feature exist
High-level oxidation technology described in step Zou 2) is UV/H2O2, step 1) molasses waste liquid obtained is added in reactor,
It is added hydrogen peroxide in the state of being stirred continuously, the volume ratio of hydrogen peroxide and molasses waste liquid is 1:0.01 ~ 0.1, ultraviolet lamp is opened,
So that hydrogen peroxide is sufficiently reacted with molasses waste liquid, molasses modifications waste liquid is obtained.
5. a kind of modification of molasses waste liquid according to claim 1 and the preparation method of coal water slurry dispersing agent, feature exist
High-level oxidation technology described in step Zou 2) is O3/H2O2, step 1) molasses waste liquid obtained is added in reactor,
Under conditions of 30 DEG C ~ 40 DEG C, first it is slowly added dropwise hydrogen peroxide, the volume ratio of hydrogen peroxide and molasses waste liquid is 1:0.01 ~ 0.1, is led to
Enter ozone, molasses waste liquid and O are made under stirring3/H2O2Sufficiently reaction, obtains molasses modifications waste liquid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016473.5A CN109135852A (en) | 2018-09-03 | 2018-09-03 | A kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811016473.5A CN109135852A (en) | 2018-09-03 | 2018-09-03 | A kind of modification of molasses waste liquid and the preparation method of coal water slurry dispersing agent |
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| CN109135852A true CN109135852A (en) | 2019-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110760352A (en) * | 2019-11-19 | 2020-02-07 | 安徽鑫固环保股份有限公司 | Coal water slurry dispersant prepared from modified molasses and preparation method thereof |
| CN112062293A (en) * | 2020-09-02 | 2020-12-11 | 常州中南化工有限公司 | New application of molasses fermentation liquor, high-efficiency environment-friendly grey water scale inhibition and dispersion agent and application of high-efficiency environment-friendly grey water scale inhibition and dispersion agent in grey water treatment process in coal chemical industry |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849796A (en) * | 1981-09-19 | 1983-03-24 | Nippon Oil & Fats Co Ltd | Additive for coal-water slurry |
| CN101497831A (en) * | 2009-01-21 | 2009-08-05 | 江苏索普（集团）有限公司 | Alcohol waste liquor coal liquid, and preparation and use thereof |
| CN103553281A (en) * | 2013-11-19 | 2014-02-05 | 广西新方向化学工业有限公司 | Innocent treatment of alcohol slops and application technique |
| CN104609765A (en) * | 2015-01-28 | 2015-05-13 | 华润水泥技术研发（广西）有限公司 | Preparation method of modified molasses waste liquid and cement grinding aid |
-
2018
- 2018-09-03 CN CN201811016473.5A patent/CN109135852A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849796A (en) * | 1981-09-19 | 1983-03-24 | Nippon Oil & Fats Co Ltd | Additive for coal-water slurry |
| CN101497831A (en) * | 2009-01-21 | 2009-08-05 | 江苏索普（集团）有限公司 | Alcohol waste liquor coal liquid, and preparation and use thereof |
| CN103553281A (en) * | 2013-11-19 | 2014-02-05 | 广西新方向化学工业有限公司 | Innocent treatment of alcohol slops and application technique |
| CN104609765A (en) * | 2015-01-28 | 2015-05-13 | 华润水泥技术研发（广西）有限公司 | Preparation method of modified molasses waste liquid and cement grinding aid |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110760352A (en) * | 2019-11-19 | 2020-02-07 | 安徽鑫固环保股份有限公司 | Coal water slurry dispersant prepared from modified molasses and preparation method thereof |
| CN112062293A (en) * | 2020-09-02 | 2020-12-11 | 常州中南化工有限公司 | New application of molasses fermentation liquor, high-efficiency environment-friendly grey water scale inhibition and dispersion agent and application of high-efficiency environment-friendly grey water scale inhibition and dispersion agent in grey water treatment process in coal chemical industry |
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