CN105838473A - Double-stage reaction integrated device and double-stage reaction integrated method for improving quality of high-alkalinity coal and catalytically gasifying waste liquid - Google Patents

Double-stage reaction integrated device and double-stage reaction integrated method for improving quality of high-alkalinity coal and catalytically gasifying waste liquid Download PDF

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Publication number
CN105838473A
CN105838473A CN201610388406.0A CN201610388406A CN105838473A CN 105838473 A CN105838473 A CN 105838473A CN 201610388406 A CN201610388406 A CN 201610388406A CN 105838473 A CN105838473 A CN 105838473A
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waste liquid
upgrading
catalytic gasification
coal
reative cell
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CN201610388406.0A
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Chinese (zh)
Inventor
张�成
张小培
葛江
马仑
李鑫
谭鹏
方庆艳
陈刚
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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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
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
    • C10L9/086—Hydrothermal carbonization
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/10—Recycling of a stream within the process or apparatus to reuse elsewhere therein

Abstract

The invention discloses a double-stage reaction integrated device and a double-stage reaction integrated method for improving the quality of high-alkalinity coal and catalytically gasifying waste liquid. The double-stage reaction integrated device mainly comprises a quality improving reaction chamber, a waste liquid catalytic gasification reaction chamber, a temperature and pressure monitor, gas inlet and outlet pipelines, supports and the like. The double-stage reaction integrated method includes arranging the high-alkalinity coal and deionized water in the quality improving reaction chamber, carrying out alkali metal removal quality improving reaction, draining the reacted waste liquid into the catalytic gasification reaction chamber via a waste liquid pipe, filtering quality-improved coal, fetching the quality-improved coal from the quality improving reaction chamber, then adding new coal into the quality improving reaction chamber and carrying out new round of quality improving reaction; carrying out reaction on the waste liquid in the catalytic gasification reaction chamber and catalysts to generate CO, H2, CH4 and water, exhausting gas after the reaction is completely carried out, draining the water after the reaction is completely carried out, receiving previous-stage waste liquid and carrying out new round of catalytic gasification reaction. The double-stage reaction integrated device and the double-stage reaction integrated method have the advantages that the double-stage reaction integrated device is simple in structure, the content of alkali metal in the coal can be reduced to a great extent, the quality of the coal can be improved, physical and chemical properties can be improved, problems of contamination, slag-bonding, corrosion and the like of the high-alkalinity coal can be solved, and the waste liquid can be catalytically gasified and utilized.

Description

High-alkali coal upgrading and waste liquid catalytic gasification twin-stage react integrated apparatus and method
Technical field
The invention belongs to high-alkali coal modification upgrading and field of waste liquid treatment, be specifically related to a kind of high-alkali coal and carry Matter and waste liquid catalytic gasification twin-stage react integrated apparatus and method.
Background technology
China is energy-consuming big country, and it is also a coal that the energy resource structure based on coal determines China Charcoal consumes big country, and the increase year by year of coal consumption amount causes China's high-quality thermal coal resource fewer and feweri, Face cost increases day by day, therefore, and the most various low-order coal, colm, the exploitation profit of high-alkali coal By technology increasingly by the concern in the range of the whole society.
Coalfield, quasi-east is positioned at autonomous prefecture of the Changji Hui ethnic group, within 2005, is explored confirmation and stores 390,000,000,000 The coal resources of ton, are the self-contained coalfields of China's maximum at present, in terms of China's current coal Year's consumption Calculating, coalfield, a quasi-east just can use more than 100 years in the whole nation.Therefore, coalfield, quasi-east becomes " new Electricity east give ", " West-east Gas, " new coal east fortune " topmost energy safeguard base, be also Xinjiang coal Electricity Coal Chemical Industry topmost coal supply source.
The ature of coal of quasi-east coal has special low ash, low-sulfur, cost of winning is low, combustion activity good, low stain Discharge, easily catch fire, the advantage such as easy to burn out and higher moisture, middle low heat value, high basic metal content, strong The shortcomings such as Slagging dust deposition.Due to the local special physical geography of historical genesis and area, quasi-east Environment, Alkali-Metal Na in the coal ash of quasi-east2The content of O is overall all more than 2%, some coals Na2O Content is up to more than 5% even 10%, far above other areas steam coal Na2O content (China its He is area thermal coal Na2O content is approximately less than 1%).Therefore, although quasi-east coal makes as thermal coal With having the plurality of advantages such as cost of winning is low, combustion activity good, low pollution emission, but its high basic metal Content is easily caused and uses the boiler of quasi-east coal and the problems such as slagging scorification, contamination, dust stratification and corrosion occur, seriously Affect the properly functioning of boiler, cause large-scale developing and utilizing of coal of the most quasi-east to be limited to.
The problems referred to above occurred currently for accurate eastern high-alkali coal, domestic mainly take following several solution to arrange Execute and alleviate the Slagging Characteristics reducing high-alkali coal: rationally mix burning, in burning, put into additive, boiler weight New design improvement, burning optimization combustion adjustment, anti-corrosion material and anti-corrosion spray and increase soot blowing number of times Deng.The most several measures are passive approach, with high costs and can only alleviate high-alkali coal to a certain extent The burning impact that causes of slagging scorification, it is impossible to from source, fundamentally solve problem.
Before the most high-alkali coal combustion, upgrading modification increasingly receives publicity.At hydro-thermal upgrading modification Reason is started with from source, fuel pre-processes de-Na before combustion, can not only be greatly lowered in coal Alkali metal content, and coal rank, maturity and the quality of coal can be promoted, improve the physical chemistry of coal Matter, the problem such as the contamination solving to occur in high-alkali coal combustion, dust stratification, slagging scorification, corrosion, but hydro-thermal Upgrading can produce a large amount of waste liquid after processing, containing a large amount of Organic Carbon TOCs, alkali metal, with much money in waste liquid Belong to, the most not yet have economy, deal carefully with method effectively, on a large scale.
In sum, the high-alkali coal reserves of China is huge, but the clogging problems that high basic metal content causes Extremely serious；Before high-alkali coal combustion, upgrading modification can be greatly lowered alkali metal content in coal, Promote the quality of coal, but a large amount of waste liquids how solving producing in process for upgrading are difficult problems.
Summary of the invention
For the urgent technical need of prior art, the present invention proposes one and for high-alkali coal upgrading and gives up Liquid catalytic gasification twin-stage reaction integrated apparatus and method, its object is to, it is achieved before high-alkali coal combustion Upgrading modification, is greatly lowered alkali metal content in coal, promotes the coal rank of coal, maturity, product Matter and caloric value, improve the physicochemical properties of coal, solves the contamination of appearance in high-alkali coal combustion, amasss The problems such as ash, slagging scorification, corrosion, meanwhile, it is achieved the catalytic gasification of a large amount of waste liquids in process for upgrading And recycling.
In order to realize the technical purpose of the present invention, present invention employs techniques below scheme:
One is for high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction integrated apparatus, and device includes Upgrading reative cell, waste liquid catalytic gasification reative cell, sewer pipe, temperature, pressure watch-dog, feeder, Admission line, outlet pipe, gas valve, heater strip, sensor, magnetic stirring apparatus, screw, Water tank, support etc..
Feeder, by admission line connection upgrading reative cell and waste liquid catalytic gasification reative cell, passes through Gas is discharged by outlet pipe；Gas pipeline is provided with gas valve；The bottom of upgrading reative cell is with useless The top of liquid catalytic gasification reative cell is connected by sewer pipe；Upgrading reative cell and waste liquid catalytic gasification are anti- Answering indoor to be equipped with heater strip and sensor, heater strip and sensor are all connected with temperature, pressure watch-dog.
Apply described device realize high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method particularly as follows:
High-alkali coal and deionized water are put into upgrading reative cell, carries out alkali metal removing at high temperature under high pressure Reacting Deng upgrading, after reaction, waste liquid enters the catalytic gasification reative cell of next stage through sewer pipe, in upgrading After coal is filtered taking-up, again add new coal and carry out new round upgrading reaction；Meanwhile, catalysis gas Change waste liquid and catalyst catalytic gasification under high temperature and high pressure environment in reative cell and generate CO, H2、CH4Deng Gas and water, catalytic gasification completes heel row and goes out gas and water, receives upper level upgrading reative cell the most again Waste liquid, carry out new round catalytic gasification reaction.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction integrated apparatus also have this The feature of sample: two-stage reaction is mounted on magnetic stirring apparatus in room, adjusts spiral shell by magnetic stirring apparatus Rotation oar rotating speed, makes reactant mix, reacts more abundant.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction integrated apparatus also have this The feature of sample: the water that catalytic gasification reative cell generates is collected by water tank, can be used for recycling etc..
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction integrated apparatus also have this The feature of sample: two-stage reaction room is fixed by brandreth, upgrading reative cell is upper, and waste liquid catalytic gasification reacts Room under, middle be connected by sewer pipe.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method also have such spy Levy: the mass ratio of its described high-alkali coal and deionized water is between 1:1～1:5.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method also have such spy Levy: the temperature in its described upgrading reaction is between 150 DEG C～350 DEG C.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method also have such spy Levy: its described catalytic gasification reacting middle catalyst is any in Ni/C base or Ni/Al/C base catalyst A kind of.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method also have such spy Levy: the temperature of its described waste liquid catalytic gasification reaction is between 250 DEG C～350 DEG C.
Further, high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method also have such spy Levy: its described upgrading reative cell first pressing is 1MP, and waste liquid catalytic gasification reative cell first pressing is 4MP.
In sum, Advantageous Effects of the present invention is embodied in:
1) present configuration is simple, it is achieved get up easily and effectively, in coal alkali metal can be greatly lowered and contain Amount, promotes coal rank, maturity and the quality of coal, improves physicochemical properties, solve high-alkali The problems such as the contamination that occurs in coal combustion, dust stratification, slagging scorification, corrosion.
2) recycling of waste liquid catalytic gasification it is simultaneously achieved, for waste liquids a large amount of after solving high-alkali coal upgrading Process problem provides a kind of new method.
3) upgrading reative cell and waste liquid catalytic gasification reative cell are the most separate but also mutually coordinated, Ke Yifen Do not regulate to respective optimal temperature, thus reach the most optimum reaction efficiency, simultaneously Modified upgrading process and the liquid waste processing problem of high-alkali coal are taken into account.
Accompanying drawing explanation
Fig. 1 is the twin-stage reaction integrated apparatus structural representation of present pre-ferred embodiments.
Detailed description of the invention
In order to make the purpose of patent of the present invention, technical scheme and advantage clearer, below in conjunction with Drawings and Examples, are further elaborated to patent of the present invention.Should be appreciated that this place is retouched The specific embodiment stated only in order to explain patent of the present invention, is not intended to limit the present invention patent.This Outward, if technical characteristic involved in each embodiment of invention described below each other it Between do not constitute conflict just can be mutually combined.
Fig. 1 is the structural representation of the twin-stage reaction integrated apparatus of the present embodiment, and device mainly includes Upgrading reative cell 4, waste liquid catalytic gasification reative cell 5, two reative cells are supported by support 3, by supply Device 1 is used for controlling air inlet switch, high-alkali coal 15 via admission line 13 supply gas, valve 2 Put into upgrading reative cell 4 by a certain percentage with deionized water, temperature, pressure watch-dog 12 passes through sensor 16 and heater strip 7 control temperature and pressure in two reative cells, magnetic stirring apparatus 6 is used for adjusting spiral shell The rotating speed of rotation oar 8, after upgrading reaction, waste liquid enters the catalytic gasification reative cell 5 of next stage through sewer pipe 9； After upgraded coal is filtered taking-up, again add new coal and carry out new round upgrading reaction.
Meanwhile, in catalytic gasification reative cell 5, waste liquid is urged under high temperature and high pressure environment with catalyst 10 Change gasification and generate CO, H2、CH4Deng gas and water, gas is discharged by outlet pipe 14, water by Water tank 11 is collected；After catalytic gasification completes, receive the waste liquid of upper level upgrading reative cell 4 the most again, Carry out new round catalytic gasification reaction.
Upgrading reative cell and waste liquid catalytic gasification reative cell are the most separate but also mutually coordinated, can distinguish Regulate to respective optimal temperature, thus reach the most optimum reaction efficiency.
Below as a example by the high-alkali coal in five colours gulf, quasi-east, utilize this high-alkali coal upgrading and waste liquid catalytic gasification double Order reaction integrated apparatus carries out test, particularly as follows:
(1) raw material that this example is selected is high sodium coal five colours gulf (WCW) coal in quasi-east, typical Xinjiang, sample Sieving after product drying, division, grinding, particle diameter is less than 0.2mm (power plant's as-fired coal powder Particle size requirements).
(2) high-alkali coal upgrading experiment: 30g raw coal and deionized water are put into according to the ratio of 1:1～1:5 and carries Qualitative response room stirs, and discharges all air of reative cell with nitrogen, arranges first pressing 1MPa, and heat up speed Rate 5k/min, revolution speed of propeller 200r/min, temperature chooses between 150 DEG C～350 DEG C, and constant temperature time sets For 1h, after reaction, upgraded coal is filtered taking-up, carries out Industrial Analysis, elementary analysis；Alkali metal content ICP-OES (inductively coupled plasma atomic emission spectrometer analytic approach) is used to measure.
(3) waste liquid catalytic gasification experiment: use Ni/C base or Ni/Al/C base catalyst, first pressing 4MPa is set, Heating rate 5k/min, revolution speed of propeller 200r/min, temperature is chosen between 250 DEG C～350 DEG C, constant temperature Time is set to 1h, uses total organic carbon (TOC) detector to measure TOC change in concentration rule in waste liquid, Use gas chromatograph (GC) to analyze and measure each gas componant.
Embodiment 1
Epicycle high-alkali coal upgrading is tested: raw coal and deionized water are added according to the ratio of 1:5 respectively, upgrading Temperature chooses 150 DEG C, 200 DEG C, 250 DEG C, 300 DEG C, 350 DEG C of five points；Waste liquid catalytic gasification is tested: Using Ni/Al/C base catalyst, temperature chooses 350 DEG C.Remaining parameter, step are the most constant.
Table 1 is Industrial Analysis and elementary analysis contrast before and after upgraded coal, as can be seen from the table, along with The rising of the temperature that modified upgrading processes, the moisture M in coalad, volatile matter Vd, hydrogen Hdaf, oxygen Odaf Content declines substantially, fixed carbon FCdContent, caloric value Qd,netRise substantially, change more aobvious after 250 DEG C Write！
Industrial Analysis and elementary analysis contrast before and after table 1 upgraded coal
Coal rank Parameters variation before and after table 2 upgraded coal
Table 2 is coal rank Parameters variation before and after upgraded coal, and the result from above can be seen that along with modification carries The rising of the temperature that matter processes, coal rank parameter AH/C、AO/CAll in downward trend, aromaticity fa in The trend raised, changes more notable after 250 DEG C！Illustrate that coal sample experienced by progressively ripe process, coal rank Gradually rise.In a word, it is obvious that upgrading modification promotes modified effect to high-alkali coal ature of coal, significantly carries Having risen coal rank, maturity and the quality of coal, after 250 DEG C, change becomes apparent from！
Alkali-Metal Na removal efficiency after table 3 modified upgrading process
Table 3 is Alkali-Metal Na removal efficiency after modified upgrading processes, it can be seen that alkali metal in high-alkali coal Removal efficiency dramatically increases along with the rising of the temperature of modified upgrading process, has reached 79.6%～95.9%, It is converted into Na in coal ash2During O content, content is up to 1.02%, minimum 0.21%, far below me The average sodium content level of state's steam coal, removing sodium effect highly significant.Wherein, removing sodium effect after 250 DEG C Fruit becomes apparent from！
TOC changes of contents and gas concentration (ppm) before and after table 4 waste liquid catalytic gasification
Table 4 is TOC changes of contents and gas concentration before waste liquid catalytic gasification, it can be seen that waste liquid is urged Change the rising of the temperature that gasification efficiency processes along with modified upgrading and dramatically increase, wherein, turn after 250 DEG C Change efficiency, more than 80%, has been up to 85.6%；The gas generated after catalytic gasification is carried out GC Detection, finds that in catalytic gasification reative cell, waste liquid and catalyst catalytic gasification under high temperature and high pressure environment is raw CO, H are become2、CH4Etc. combustible gas, and gas yield also raises with upgrading temperature and raises.
Summing up this embodiment and find, upgrading temperature is the highest, and upgrading, removing sodium, catalytic gasification efficiency are more Good, but energy consumption is the biggest, and upgraded coal loss late is the biggest；Take into account energy consumption and upgrading effect, upgrading Temperature should be near preferably 300 DEG C.
Embodiment 2
Epicycle high-alkali coal upgrading is tested: raw coal and deionized water respectively according to 1:1,1:1,1:3,1:4, The ratio of 1:5 is added, and upgrading temperature chooses 300 DEG C；Waste liquid catalytic gasification is tested: use Ni/Al/C Base catalyst, temperature chooses 350 DEG C.Remaining parameter, step are the most constant, after recording modified upgrading process Alkali-Metal Na removal efficiency such as table 5.
Alkali-Metal Na removal efficiency after table 5 modified upgrading process
As can be seen from Table 5, in high-alkali coal, alkali metal removal efficiency increases along with the increase of coal-water ratio example Adding, after coal-water ratio example 1:3, Na removal efficiency is all higher than 88%.This embodiment illustrates, upgrading water coal Ratio should be between preferably 1:3～1:5.
Embodiment 3
Epicycle high-alkali coal upgrading is tested: raw coal and deionized water are added according to the ratio of 1:5 respectively, upgrading Temperature chooses 300 DEG C；Waste liquid catalytic gasification is tested: be respectively adopted Ni/C base, Ni/Al/C base catalyst, Temperature chooses 350 DEG C.Remaining parameter, step are the most constant, and before and after recording waste liquid catalytic gasification, TOC contains Amount change is such as table 6.
TOC changes of contents (ppm) before and after table 6 waste liquid catalytic gasification
This embodiment illustrates, waste liquid catalytic gasification should preferred Ni/Al/C base catalyst.
Embodiment 4
Epicycle high-alkali coal upgrading is tested: raw coal and deionized water are added according to the ratio of 1:5 respectively, upgrading Temperature chooses 300 DEG C；Waste liquid catalytic gasification is tested: use Ni/Al/C base catalyst, catalytic gasification temperature Degree chooses 250 DEG C, 275 DEG C, 300 DEG C, 350 DEG C respectively.Remaining parameter, step are the most constant, record TOC changes of contents such as table 7 before and after waste liquid catalytic gasification.
TOC changes of contents (ppm) before and after table 7 waste liquid catalytic gasification
This embodiment illustrates, waste liquid catalytic gasification temperature (should take into account energy consumption between preferably 300 DEG C～350 DEG C With catalytic effect).
As it will be easily appreciated by one skilled in the art that the preferred embodiment that the foregoing is only patent of the present invention , not in order to limit patent of the present invention, made within all spirit in patent of the present invention and principle Any amendment, equivalent and improvement etc., within should be included in the protection domain of patent of the present invention.

Claims (10)

1. a high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction integrated apparatus, it is characterised in that Including upgrading reative cell, waste liquid catalytic gasification reative cell, sewer pipe, temperature, pressure watch-dog, supply Device, admission line, outlet pipe, gas valve, heater strip etc.；
Feeder, by admission line connection upgrading reative cell and waste liquid catalytic gasification reative cell, passes through Gas is discharged by outlet pipe；Gas pipeline is provided with gas valve；The bottom of upgrading reative cell is with useless The top of liquid catalytic gasification reative cell is connected by sewer pipe；Upgrading reative cell and waste liquid catalytic gasification are anti- Answering indoor to be equipped with heater strip and sensor, heater strip and sensor are all connected with temperature, pressure watch-dog.
High-alkali coal upgrading the most according to claim 1 and the reaction integration of waste liquid catalytic gasification twin-stage Device, it is characterised in that described upgrading reative cell and being mounted in waste liquid catalytic gasification reative cell Magnetic stirring apparatus.
High-alkali coal upgrading the most according to claim 1 and the reaction integration of waste liquid catalytic gasification twin-stage Device, it is characterised in that also include the water tank connecting catalytic gasification reative cell.
4. anti-according to the high-alkali coal upgrading described in claim 1 or 2 or 3 and waste liquid catalytic gasification twin-stage Answer integrated apparatus, it is characterised in that also include fixing described upgrading reative cell and be catalyzed gas with waste liquid Change reative cell support, upgrading reative cell upper, waste liquid catalytic gasification reative cell under.
5. a high-alkali coal upgrading and waste liquid catalytic gasification twin-stage reaction method, it is characterised in that include Following steps:
High-alkali coal and deionized water are put into upgrading reative cell, carries out alkali metal removing upgrading reaction, instead Catalytic gasification reative cell should be entered through sewer pipe by waste liquid afterwards, after upgraded coal is filtered taking-up, again add Add new coal and carry out new round upgrading reaction；
Meanwhile, in catalytic gasification reative cell, waste liquid generates CO, H with catalyst gasification reaction2、 CH4And water, catalytic gasification completes heel row and goes out gas and water, receives upper level upgrading reative cell the most again Waste liquid, carries out new round catalytic gasification reaction.
High-alkali coal upgrading the most according to claim 5 and waste liquid catalytic gasification twin-stage reaction method, It is characterized in that, wherein, the mass ratio of described high-alkali coal and deionized water is between 1:1～1:5.
High-alkali coal upgrading the most according to claim 5 and waste liquid catalytic gasification twin-stage reaction method, It is characterized in that, wherein, the temperature of described upgrading reaction is between 150 DEG C～350 DEG C.
High-alkali coal upgrading the most according to claim 5 and waste liquid catalytic gasification twin-stage reaction method, It is characterized in that, wherein, described catalytic gasification reacting middle catalyst is Ni/C base or Ni/Al/C base is urged Agent.
High-alkali coal upgrading the most according to claim 5 and waste liquid catalytic gasification twin-stage reaction method, It is characterized in that, wherein, the temperature of described waste liquid catalytic gasification reaction is between 250 DEG C～350 DEG C.
High-alkali coal upgrading the most according to claim 5 and waste liquid catalytic gasification twin-stage reaction method, It is characterized in that, wherein, the first pressing of described upgrading reative cell is 1MP, waste liquid catalytic gasification reative cell First pressing be 4MP.
CN201610388406.0A 2016-06-02 2016-06-02 Double-stage reaction integrated device and double-stage reaction integrated method for improving quality of high-alkalinity coal and catalytically gasifying waste liquid Pending CN105838473A (en)

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