CN1515650A - Technological process for extracting liquid fuel from coal by utilizing hot-melt catalytic process - Google Patents
Technological process for extracting liquid fuel from coal by utilizing hot-melt catalytic process Download PDFInfo
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- CN1515650A CN1515650A CNA2004100156980A CN200410015698A CN1515650A CN 1515650 A CN1515650 A CN 1515650A CN A2004100156980 A CNA2004100156980 A CN A2004100156980A CN 200410015698 A CN200410015698 A CN 200410015698A CN 1515650 A CN1515650 A CN 1515650A
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Abstract
The technological process for extracting liquid fuel from coal by utilizing thermosoling catalysis method includes the following steps: (1) pulverizing coal and drying; (2) stirring coal powder, dissolving agent and catalyst in mixer to obtain coal slurry and making thermosoling catalysis reaction; (3) further coking, filtering, distilling and cutting the product obtained by above-mentioned and converying all the gases, then adopting pressure swing adsorption (PSA) purification self-use upgraded hydrogen gas; (5). using purified hydrogen gas to make the fraction whose temp. is less than 350 deg.C undergo the low-medium pressure hydrogenation upgrading treatment and removing odor of concentrated tar; and (6). pump-delivering semi-finished product to make distillation and cut it.
Description
Technical field:
The present invention relates to the technical field of fuel gas, specifically a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel.
Background technology:
From coal, produce at present the processing method of liquid fuel, conclude through the data at home and abroad investigation, there are following three kinds at present: (1) solid-fuelled pyrolysis (low temperature, high temperature carbonization method), its primary process is that organic substances such as coal and oil shale are decomposed and polymerization under heat effect, generally carry out under the temperature at normal pressure and more than 400 ℃, decomposition result generates and contains hydrogen-rich coal gas, low molecular weight liquid tar and coal tar and residue, this method technical maturity.Its shortcoming: the organic matter transformation rate is low, pollutes big in the course of processing; (2) gasification of coal elder generation obtains CO and H
2After, under the katalysis of chalybeate, cobalt agent, generate senior liquid fuel, its process more complicated, gas making cost height, the technical requirements height is difficult to generally adopt; (3) the chemical structure hydrogenation of destruction coal, its process is with organic matter in the coal (450～500 ℃) at a certain temperature, adopt under high pressure hydrogen 10.0～30.0Mpa and the catalyst action dissolve, cracking, various elements are redistributed, and add protium in organic matter, generate hydrogenated oil.Along with technical progress, scientists all adopts coal, residual oil, catalyzer both at home and abroad, under the effect that adds middle and high pressure hydrogen, and the Generation Liquid fluid fuel, just scholars are called the kerosene liquefaction process.But this law technology complexity is wanted secondary hydrogenation and outer device for producing hydrogen, and its investment is big, power consumption is big, shortcomings such as running cost height.Except that above three kinds of methods, a kind of coarse prescription and compound method of utilizing the coal physical reaction to produce substitute diesel arranged still.Its process is to utilize auxiliary agent and promotor to carry out the thermosol process.Though process is simple, its liquid product has unpleasant tarry odour, can not directly use, and must carry out compositely with kerosene or methyl alcohol (poisonous), but still has denseer tarry odour, so claim substitute diesel, its color and proterties be instability all.
The object of the present invention is to provide in a kind of coal the organic matter transformation rate moderate; operation relaxes; from coal, produce liquid fuel; product had both met current gasoline, diesel oil standard, met the processing method of producing liquid fuel from coal that less investment, running cost are low, low in the pollution of the environment, help environment protection again.
To achieve these goals, technical scheme of the present invention is: a kind of processing method of utilizing thermally dissolving and catalytic to produce liquid fuel from coal, it is characterized in that: described a kind of step of thermally dissolving and catalytic produces liquid fuel from coal processing method of utilizing is as follows, (1) with coal pulverize, drying; (2) coal dust, solvating agent and catalyzer stir in mixing tank and make coal slurry and carry out the thermally dissolving and catalytic reaction; (3) with the further coking of thermally dissolving and catalytic product, filtration, distillation cutting; (4) gas of each unit equipment generation is through removing H
2After S gas converges, adopt the hydrogen of the personal upgrading of transformation absorption (PSA) purification; (5) hydrogen through purifying is in, MHUG low to carrying out less than 350 ℃ cut with remove dense tar stink; (6) work in-process behind the upgrading go distillation to cut into gasoline, diesel product with pumping.
A kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel, it is characterized in that: described a kind of step of thermally dissolving and catalytic produces liquid fuel from coal processing method of utilizing is as follows, (1) with coal through being crushed to the 80-200 order, and drying makes in the coal dust moisture content less than 2% (weight); (2) with coal dust, solvating agent and catalyzer in mixing tank, stir into coal slurry, stirring velocity is 100～150 rev/mins, coal slurry is in reactor, continue to stir and also to finish the thermally dissolving and catalytic reaction, temperature of reaction is coal point of ignition ± 30 ℃, and pressure is 4.0～6.0Mpa, reaction times is 60～90 minutes, and stirring velocity is 100～150 rev/mins; (3) reaction product behind thermally dissolving and catalytic and hydrotropy filtering agent are sent into together and are carried out coking in the coker, simultaneously under the effect of hydrotropy filtering agent, remove by filter residue, go filtrate behind the residue to extract wherein a part out as the solvating agent of coal dust, for recycling, most of filtrate is sent into distillation tower and is cut fractionation, and wherein boiling range is: less than 350 ℃ of cuts; 350-390 ℃ of cut is as the hydrotropy filtering agent; Cut is a pitch more than 390 ℃; (4) gas of each unit generation is through removing objectionable impurities H
2Behind the S gas, send into transformation absorption (PSA) device, after purifying, become the hydrogen of described recovery; (5) enter the hydrogenation upgrading less than 350 ℃ of cuts with the hydrogen of recovery, remove the impurity and the dense tar stink of sulfur-bearing, nitrogenous compound; (6) work in-process behind the upgrading go distillation to cut into gasoline, diesel product with pumping.
The invention provides a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel, product liquid under low, middle press strip spare upgrading and the deodorizing of by-product hydrogen that utilizes each unit of this processing method to produce simultaneously through purifying to having dense tar stink.Whole technological process comprises that coal is pulverized, drying; Coal dust and solvating agent, catalyzer mix and are coal slurry; Coal slurry carries out heat of solution and catalyzed reaction under the temperature of coal point of ignition; Reaction product is carried out different chemical process combinations such as upgrading and deodorizing through coking, filtration and fractionation cutting and isolated cut, liquid fuel reaches the national standard of vapour, diesel oil after treatment.This processing method is simple, easy to operate, reaction conditions relaxes, raw material is easy to get, be a kind of invest little, running cost is low, the processing method of chemical unit combination such as low in the pollution of the environment.
Description of drawings:
Fig. 1 is a process flow sheet of the present invention
Embodiment:
The invention will be further described below in conjunction with drawings and Examples.
A kind of step of thermally dissolving and catalytic produces liquid fuel from coal processing method of utilizing is as follows, and (1) through being crushed to the 80-200 order, and drying makes in the coal dust moisture content less than 2% (weight) with coal; (2) with coal dust, solvating agent and catalyzer in mixing tank, stir into coal slurry, stirring velocity is 100～150 rev/mins, coal slurry is in reactor, continue to stir and also to finish the thermally dissolving and catalytic reaction, temperature of reaction is coal point of ignition ± 30 ℃, and pressure is 4.0～6.0Mpa, reaction times is 60～90 minutes, and stirring velocity is 100～150 rev/mins; (3) reaction product behind thermally dissolving and catalytic and hydrotropy filtering agent are sent into together and are carried out coking in the coker, simultaneously under the effect of hydrotropy filtering agent, remove by filter residue, go filtrate behind the residue to extract wherein a part out as the solvating agent of coal dust, for recycling, most of filtrate is sent into distillation tower and is cut fractionation, and wherein boiling range is: less than 350 ℃ of cuts; 350-390 ℃ of cut is as the hydrotropy filtering agent; Cut is a pitch more than 390 ℃; (4) gas of each unit generation is through removing objectionable impurities H
2Behind the S gas, send into transformation absorption (PSA) device, after purifying, become the hydrogen of described recovery; (5) enter the hydrogenation upgrading less than 350 ℃ of cuts with the hydrogen of recovery, remove the impurity and the dense tar stink of sulfur-bearing, nitrogenous compound; (6) work in-process behind the upgrading go distillation to cut into gasoline, diesel product with pumping; The weight percent of each composition is in the coal slurry: 40～65% coal dust, 35～60% solvating agent, and add with respect to coal dust weight percent 1～3%F-40 liquid catalyst, low whipping speed is 100～150 rev/mins, and temperature is mixed into coal slurry under 70 ℃; Solvating agent comprises anthracene, phenanthrene, the bitter edible plant, band side chain ring compound and alkane, and the weight percent of each composition is: alkane 2～8%, 2～4 Polycyclic aromatic hydrocarbons 35～55%, 2～4 ring phenols 25～65% of＞C20, fluorenes based compound 25～55%, asphaltene 10～25%; Each composition weight percent of hydrotropy filtering agent is: alkane 5～15%, 2～4 Polycyclic aromatic hydrocarbons 20～60%, 2～4 ring phenols 15～45% of＞C20, fluorenes based compound 15～35%; Each composition weight percent of F-40 liquid catalyst is: dimeracid urea chromium closes lanthanum 1～2%, ethylenediamine tetraacetic acid (EDTA) chromium and closes iron 0.1～5%, pentanedioic acid urea chromium and close that cobalt 1～2%, isocaprylic acid urea chromium close molybdenum 0.5～1.5%, boron-nitrogen compound 1.5～6%, all the other are C20-C28 alkane; The hydrotropy filtering agent of the weight percent 10～30% of gross product behind the relative thermally dissolving and catalytic of adding is sent into and is carried out coking in the coking tower in the reacted product of thermally dissolving and catalytic, and its coking temperature is 390～420 ℃, and pressure is 0.3～0.5Mpa, and scorch time is 2～4 hours; Gross product is 150～250 ℃ in temperature after the pyrogenic reaction, and pressure is 0.2～0.5Mpa, filters, and the product liquid after will filtering, and extracts wherein that a part recycles as solvating agent out, enters distillation then and cuts into three sections cuts: less than 350 ℃ of cuts; 350～390 ℃ of cuts recycle as the hydrotropy filtering agent; Greater than cut more than 390 ℃ is pitch; Carry out the hydrogenation upgrading less than 350 ℃ of cuts and remove sulfur-bearing, nitrogenous compound and dense tar stink, wherein temperature is 360～400 ℃, and pressure is 3.0～7.0Mpa, and adds catalyzer 481, and catalyzer 481 is produced by Shenyang chemical industry one factory, can purchase on the market; Feed coal is brown coal and bituminous coal, and the weight percent of its composition is 35～60%V
Def, 65～85%C, 5～6%H, 10～20%O, 1～2%N, 0.2～2%S and 0.6～0.9%H/C.
Embodiment 1
As shown in Figure 1, it is 80～200 orders that coal is crushed and screened, adopt 400 ℃ of stack gases that coal dust is carried out drying, make moisture content in the coal less than 2% (weight), the exsiccant coal dust is with it matches well and is coal dust: 55% (weight) from the solvating agent of technology itself, solvating agent: 44% (weight), adding F-40 liquid catalyst consumption simultaneously is 1% (to coal dust weight), 120 rev/mins of low whipping speeds, temperature is sent in the catalytic reaction kettle that has agitator after stirring into coal slurry under 70 ℃ in mixing tank, stirring velocity is to carry out under 100 rev/mins of conditions, warming while stirring, when temperature reaches ignition temperature ± 30 ℃ of coal, keep the reaction times: 65 minutes, pressure was to carry out the heat of solution catalyzed reaction under the condition of 4.9Mpa.The reaction after product is that 20% (to the weight of thermosol gross product) is sent in the coking tower with the hydrotropy filtering agent consumption from this technology cutting, and the control coking temperature is 400 ℃, and the time is 3 hours, and pressure is to carry out coking under the 0.4Mpa condition.Gross product enters strainer after the coking, keeps filtration temperature and is under 180 ℃ and the pressure 0.4Mpa condition and filter, and removes residue.A filtrate wherein part is sent in the mixing tank as solvating agent, and remaining major part is sent into distillation and cut into: recycle and be pitch greater than the distillate more than 390 ℃ less than 350 ℃ cuts, 350～390 ℃ of distillates (hydrotropy filtering agent).
Send to hydrogenation reforming unit device less than 350 ℃ of cuts, in temperature is 380 ℃, pressure is 6.0Mpa, carry out upgrading under the condition of catalyzer 481 and remove sulfur-bearing, nitrogenous compound and dense tar foreign odor flavor, the product behind the upgrading is sent to distillation and is cut into gasoline, the diesel product that meets national standard.
The gas that different chemical processes produce pools together, through removing H
2Behind the S gas, sending into pressure-swing absorption apparatus (PAS) will be 90% after the hydrogen purification, delivers to the hydrogenation modifying apparatus and uses.
Embodiment 2
It is 80～200 orders that coal is crushed and screened, adopt 400 ℃ of stack gases that coal dust is carried out drying, make moisture content in the coal less than 2% (weight), the exsiccant coal dust is with it matches well and is coal dust: 50% (weight) from the solvating agent of technology itself, solvating agent: 48% (weight), adding F-40 liquid catalyst consumption simultaneously is 2% (to coal dust weight), 130 rev/mins of low whipping speeds, temperature is sent in the catalytic reaction kettle that has agitator after stirring into coal slurry under 70 ℃ in mixing tank, stirring velocity is to carry out under 120 rev/mins of conditions, warming while stirring, when temperature reaches ignition temperature ± 30 ℃ of coal, keep the reaction times: 75 minutes, pressure was to carry out the heat of solution catalyzed reaction under the condition of 6.5Mpa.The reaction after product is that 18% (to the weight of thermosol gross product) is sent in the coking tower with the hydrotropy filtering agent consumption from this technology cutting, and the control coking temperature is 390 ℃, and the time is 2.8 hours, and pressure is to carry out coking under the 0.45Mpa condition.Gross product enters strainer after the coking, keeps filtration temperature and is under 180 ℃ and the pressure 0.4Mpa condition and filter, and removes residue.A filtrate wherein part is sent in the mixing tank as solvating agent, and remaining major part is sent into distillation and cut into: recycle and be pitch greater than the distillate more than 390 ℃ less than 350 ℃ cuts, 350～390 ℃ of distillates (hydrotropy filtering agent).
Send to hydrogenation reforming unit device less than 350 ℃ of cuts, in temperature is 350 ℃, pressure is 6.5Mpa, carry out upgrading under the condition of catalyzer 481 and remove sulfur-bearing, nitrogenous compound and dense tar foreign odor flavor, product behind the upgrading is sent to distillation and is cut into gasoline, the diesel product that meets national standard, wherein catalyzer 481 is produced by Shenyang chemical industry one factory, can purchase on the market.
The gas that different chemical processes produce pools together, through removing H
2Behind the S gas, sending into pressure-swing absorption apparatus (PAS) will be 95% after the hydrogen purification, delivers to the hydrogenation modifying apparatus and uses.
Claims (9)
1, a kind of processing method of utilizing thermally dissolving and catalytic to produce liquid fuel from coal is characterized in that: described a kind of step of thermally dissolving and catalytic produces liquid fuel from coal processing method of utilizing is as follows, (1) with coal pulverize, drying; (2) coal dust, solvating agent and catalyzer stir in mixing tank and make coal slurry and carry out the thermally dissolving and catalytic reaction; (3) with the further coking of thermally dissolving and catalytic product, filtration, distillation cutting; (4) gas of each unit equipment generation is through removing H
2After S gas converges, adopt the hydrogen of the personal upgrading of transformation absorption (PSA) purification; (5) hydrogen through purifying is in, MHUG low to carrying out less than 350 ℃ cut with remove dense tar stink; (6) work in-process behind the upgrading go distillation to cut into gasoline, diesel product with pumping.
2, a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel, it is characterized in that: described a kind of step of thermally dissolving and catalytic produces liquid fuel from coal processing method of utilizing is as follows, (1) with coal through being crushed to the 80-200 order, and drying makes in the coal dust moisture content less than 2% (weight); (2) with coal dust, solvating agent and catalyzer in mixing tank, stir into coal slurry, stirring velocity is 100～150 rev/mins, coal slurry is in reactor, continue to stir and also to finish the thermally dissolving and catalytic reaction, temperature of reaction is coal point of ignition ± 30 ℃, and pressure is 4.0～6.0Mpa, reaction times is 60～90 minutes, and stirring velocity is 100～150 rev/mins; (3) reaction product behind thermally dissolving and catalytic and hydrotropy filtering agent are sent into together and are carried out coking in the coker, simultaneously under the effect of hydrotropy filtering agent, remove by filter residue, go filtrate behind the residue to extract wherein a part out as the solvating agent of coal dust, for recycling, most of filtrate is sent into distillation tower and is cut fractionation, and wherein boiling range is: less than 350 ℃ of cuts; 350-390 ℃ of cut is as the hydrotropy filtering agent; Cut is a pitch more than 390 ℃; (4) gas of each unit generation is through removing objectionable impurities H
2Behind the S gas, send into transformation absorption (PSA) device, after purifying, become the hydrogen of described recovery; (5) enter the hydrogenation upgrading less than 350 ℃ of cuts with the hydrogen of recovery, remove the impurity and the dense tar stink of sulfur-bearing, nitrogenous compound; (6) work in-process behind the upgrading go distillation to cut into gasoline, diesel product with pumping.
3, a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel according to claim 1, it is characterized in that: the weight percent of each composition is in the coal slurry: 40～65% coal dust, 35～60% solvating agent, and add with respect to coal dust weight percent 1～3%F-40 liquid catalyst, low whipping speed is 100～150 rev/mins, and temperature is mixed into coal slurry under 70 ℃.
4, according to claim 2 or 3 described a kind of processing methodes of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel, it is characterized in that: solvating agent comprises anthracene, phenanthrene, the bitter edible plant, band side chain ring compound and alkane, and the weight percent of each composition is: alkane 2～8%, 2～4 Polycyclic aromatic hydrocarbons 35～55%, 2～4 ring phenols 25～65% of＞C20, fluorenes based compound 25～55%, asphaltene 10～25%; Each composition weight percent of hydrotropy filtering agent is: alkane 5～15%, 2～4 Polycyclic aromatic hydrocarbons 20～60%, 2～4 ring phenols 15～45% of＞C20, fluorenes based compound 15～35%; Each composition weight percent of F-40 liquid catalyst is: dimeracid urea chromium closes lanthanum 1～2%, ethylenediamine tetraacetic acid (EDTA) chromium and closes iron 0.1～5%, pentanedioic acid urea chromium and close that cobalt 1～2%, isocaprylic acid urea chromium close molybdenum 0.5～1.5%, boron-nitrogen compound 1.5～6%, all the other are C20-C28 alkane.
5, a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel according to claim 1, it is characterized in that: the hydrotropy filtering agent of the weight percent 10～30% of gross product behind the relative thermally dissolving and catalytic of adding in the reacted product of thermally dissolving and catalytic, send into and carry out coking in the coking tower, its coking temperature is 390～420 ℃, pressure is 0.3～0.5Mpa, and scorch time is 2～4 hours.
6, a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel according to claim 1, it is characterized in that: gross product is 150～250 ℃ in temperature after the pyrogenic reaction, pressure is 0.2～0.5Mpa, filter, and the product liquid after will filtering, extract wherein that a part recycles as solvating agent out, enter distillation then and cut into three sections cuts: less than 350 ℃ of cuts; 350～390 ℃ of cuts recycle as the hydrotropy filtering agent; Greater than cut more than 390 ℃ is pitch.
7, a kind of processing method of utilizing thermally dissolving and catalytic from coal, to produce liquid fuel according to claim 1, it is characterized in that: carry out the hydrogenation upgrading less than 350 ℃ of cuts and remove sulfur-bearing, nitrogenous compound and dense tar stink, wherein temperature is 360～400 ℃, pressure is 3.0～6.0Mpa, and adds catalyzer 481.
8, a kind of thermally dissolving and catalytic according to claim 1 is produced the processing method of liquid fuel from coal, it is characterized in that: purifying hydrogen of hydrogen concentration is 85-95%.
9, a kind of thermally dissolving and catalytic according to claim 1 is produced the processing method of liquid fuel from coal, it is characterized in that: feed coal is brown coal and bituminous coal, and the weight percent of its composition is 35～60%V
Def, 65～85%C, 5～6%H, 10～20%O, 1～2%N, 0.2～2%S and 0.6～0.9%H/C.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009076894A1 (en) * | 2007-12-13 | 2009-06-25 | Zhaoqing Shunxin Caol Chemical Industry S. T. Co., Ltd | A thermal dissolution catalysis method for preparing liquid fuel from lignite and the catalyst and the solvent suitable for the method |
| CN102250654A (en) * | 2011-06-10 | 2011-11-23 | 吴庆伟 | Method for manufacturing oil from coal |
| CN101597507B (en) * | 2008-06-02 | 2012-11-14 | 金军 | Method for directly producing liquid hydrocarbon in coal oil-gas reservoir |
| CN103555357A (en) * | 2013-11-04 | 2014-02-05 | 华东理工大学 | Method for liquifying coal mildly |
| CN103555356A (en) * | 2013-05-27 | 2014-02-05 | 新疆准东石油技术股份有限公司 | Method for directly liquefying coal |
| CN106423054A (en) * | 2016-09-19 | 2017-02-22 | 山西大同大学 | Process for preparing hot melt oil and mesoporous activated carbon simultaneously from low-rank coal |
| CN110041952A (en) * | 2019-04-02 | 2019-07-23 | 广东煤基碳材料研究有限公司 | A kind of mesophase pitch and preparation method thereof |
| CN110104638A (en) * | 2019-04-29 | 2019-08-09 | 广东煤基碳材料研究有限公司 | A kind of graphene and preparation method thereof |
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2004
- 2004-01-08 CN CNA2004100156980A patent/CN1515650A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009076894A1 (en) * | 2007-12-13 | 2009-06-25 | Zhaoqing Shunxin Caol Chemical Industry S. T. Co., Ltd | A thermal dissolution catalysis method for preparing liquid fuel from lignite and the catalyst and the solvent suitable for the method |
| AU2008338076B2 (en) * | 2007-12-13 | 2012-06-07 | Zhaoqing Shunxin Coal Chemical Industry S. T. Co., Ltd | A thermal dissolution catalysis method for preparing liquid fuel from lignite and the catalyst and the solvent suitable for the method |
| CN101597507B (en) * | 2008-06-02 | 2012-11-14 | 金军 | Method for directly producing liquid hydrocarbon in coal oil-gas reservoir |
| CN102250654A (en) * | 2011-06-10 | 2011-11-23 | 吴庆伟 | Method for manufacturing oil from coal |
| CN103555356A (en) * | 2013-05-27 | 2014-02-05 | 新疆准东石油技术股份有限公司 | Method for directly liquefying coal |
| CN103555356B (en) * | 2013-05-27 | 2015-04-08 | 新疆准东石油技术股份有限公司 | Method for directly liquefying coal |
| CN103555357A (en) * | 2013-11-04 | 2014-02-05 | 华东理工大学 | Method for liquifying coal mildly |
| CN103555357B (en) * | 2013-11-04 | 2015-08-19 | 华东理工大学 | The processing method of a kind of coal gentleness liquefaction |
| CN106423054A (en) * | 2016-09-19 | 2017-02-22 | 山西大同大学 | Process for preparing hot melt oil and mesoporous activated carbon simultaneously from low-rank coal |
| CN110041952A (en) * | 2019-04-02 | 2019-07-23 | 广东煤基碳材料研究有限公司 | A kind of mesophase pitch and preparation method thereof |
| CN110104638A (en) * | 2019-04-29 | 2019-08-09 | 广东煤基碳材料研究有限公司 | A kind of graphene and preparation method thereof |
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Owner name: ZHAOQING CITY SHUNXIN COAL CHEMICAL INDUSTRY TECH Free format text: FORMER OWNER: ZHUHAI CITY SANJIN COAL LIQUEFACTION TECHNOLOGY CO., LTD. Effective date: 20070914 |
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Effective date of registration: 20070914 Address after: 526100, Guangdong Industrial Zone, Zhaoqing high tech Zone north, Binjiang Road East Linjiang Industrial Park Applicant after: Zhaoqing City Shunxin Coal Chemical Industry Science and Technology Co., Ltd. Address before: 519015 Guangdong province Zhuhai Jida Jingshan Hill road Zhuhua building 12 floor B.C block Applicant before: Zhuhai City Sanjin Coal Liquefaction Technology Co., Ltd. |
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