TW558557B - On-line control of a chemical process plant - Google Patents
On-line control of a chemical process plant Download PDFInfo
- Publication number
- TW558557B TW558557B TW086120089A TW86120089A TW558557B TW 558557 B TW558557 B TW 558557B TW 086120089 A TW086120089 A TW 086120089A TW 86120089 A TW86120089 A TW 86120089A TW 558557 B TW558557 B TW 558557B
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- TW
- Taiwan
- Prior art keywords
- spectrum
- patent application
- reaction
- group
- calibration
- Prior art date
Links
- 238000001311 chemical methods and process Methods 0.000 title abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 76
- 238000005259 measurement Methods 0.000 claims abstract description 55
- 229920000642 polymer Polymers 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000004886 process control Methods 0.000 claims abstract description 4
- 238000001228 spectrum Methods 0.000 claims description 77
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims description 31
- 239000001257 hydrogen Substances 0.000 claims description 31
- 238000012360 testing method Methods 0.000 claims description 26
- 238000000746 purification Methods 0.000 claims description 24
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 16
- 238000005658 halogenation reaction Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 229910052736 halogen Inorganic materials 0.000 claims description 15
- 150000002367 halogens Chemical class 0.000 claims description 15
- 230000002079 cooperative effect Effects 0.000 claims description 13
- 230000000875 corresponding effect Effects 0.000 claims description 13
- 239000000178 monomer Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 238000006116 polymerization reaction Methods 0.000 claims description 12
- 238000004821 distillation Methods 0.000 claims description 10
- 238000005984 hydrogenation reaction Methods 0.000 claims description 10
- 238000000862 absorption spectrum Methods 0.000 claims description 9
- 150000001336 alkenes Chemical class 0.000 claims description 9
- 238000005576 amination reaction Methods 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 238000001833 catalytic reforming Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 9
- 230000008025 crystallization Effects 0.000 claims description 9
- 230000020335 dealkylation Effects 0.000 claims description 9
- 238000006900 dealkylation reaction Methods 0.000 claims description 9
- 238000006471 dimerization reaction Methods 0.000 claims description 9
- 238000006735 epoxidation reaction Methods 0.000 claims description 9
- 230000032050 esterification Effects 0.000 claims description 9
- 238000005886 esterification reaction Methods 0.000 claims description 9
- 238000000895 extractive distillation Methods 0.000 claims description 9
- 230000036571 hydration Effects 0.000 claims description 9
- 238000006703 hydration reaction Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 238000006386 neutralization reaction Methods 0.000 claims description 9
- 238000006396 nitration reaction Methods 0.000 claims description 9
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 9
- 238000006384 oligomerization reaction Methods 0.000 claims description 9
- 238000005502 peroxidation Methods 0.000 claims description 9
- 238000000197 pyrolysis Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000004230 steam cracking Methods 0.000 claims description 9
- 238000006277 sulfonation reaction Methods 0.000 claims description 9
- 230000029936 alkylation Effects 0.000 claims description 8
- 238000005804 alkylation reaction Methods 0.000 claims description 8
- 230000006315 carbonylation Effects 0.000 claims description 8
- 238000005810 carbonylation reaction Methods 0.000 claims description 8
- 238000004523 catalytic cracking Methods 0.000 claims description 8
- 238000006477 desulfuration reaction Methods 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 8
- 238000004227 thermal cracking Methods 0.000 claims description 8
- 230000026030 halogenation Effects 0.000 claims description 7
- 238000006317 isomerization reaction Methods 0.000 claims description 7
- 238000007363 ring formation reaction Methods 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims 11
- 238000002329 infrared spectrum Methods 0.000 claims 10
- 230000002730 additional effect Effects 0.000 claims 8
- 238000001237 Raman spectrum Methods 0.000 claims 4
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 claims 4
- 238000005336 cracking Methods 0.000 claims 2
- 239000012948 isocyanate Substances 0.000 claims 2
- 150000002513 isocyanates Chemical class 0.000 claims 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 238000001320 near-infrared absorption spectroscopy Methods 0.000 claims 1
- 238000000629 steam reforming Methods 0.000 claims 1
- 210000002784 stomach Anatomy 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 abstract description 18
- 239000000523 sample Substances 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 6
- 229920005555 halobutyl Polymers 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 125000004968 halobutyl group Chemical group 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 238000012625 in-situ measurement Methods 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 36
- 239000011159 matrix material Substances 0.000 description 26
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 24
- 229940050176 methyl chloride Drugs 0.000 description 12
- 239000000047 product Substances 0.000 description 10
- 229920005549 butyl rubber Polymers 0.000 description 9
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 8
- 239000004568 cement Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000006085 branching agent Substances 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229920002209 Crumb rubber Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241001441571 Hiodontidae Species 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000002790 cross-validation Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/08—Butenes
- C08F210/10—Isobutene
- C08F210/12—Isobutene with conjugated diolefins, e.g. butyl rubber
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/45—Interferometric spectrometry
- G01J3/453—Interferometric spectrometry by correlation of the amplitudes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2400/00—Characteristics for processes of polymerization
- C08F2400/02—Control or adjustment of polymerization parameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N2021/3595—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using FTIR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/129—Using chemometrical methods
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Control Of Non-Electrical Variables (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Polymerisation Methods In General (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3461496P | 1996-12-31 | 1996-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW558557B true TW558557B (en) | 2003-10-21 |
Family
ID=21877515
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW086120089A TW558557B (en) | 1996-12-31 | 1998-01-26 | On-line control of a chemical process plant |
| TW091124215A TWI266769B (en) | 1996-12-31 | 1998-01-26 | On-line control of a chemical process plant |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW091124215A TWI266769B (en) | 1996-12-31 | 1998-01-26 | On-line control of a chemical process plant |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US6072576A (enExample) |
| EP (1) | EP0948761B2 (enExample) |
| JP (1) | JP4435307B2 (enExample) |
| KR (1) | KR100500802B1 (enExample) |
| CN (1) | CN1105956C (enExample) |
| AU (1) | AU727750B2 (enExample) |
| BR (1) | BR9714450A (enExample) |
| CA (1) | CA2276624C (enExample) |
| DE (1) | DE69705323T3 (enExample) |
| ES (1) | ES2160983T5 (enExample) |
| IL (1) | IL130731A (enExample) |
| MY (1) | MY117038A (enExample) |
| NO (1) | NO316346B1 (enExample) |
| PL (1) | PL334397A1 (enExample) |
| RU (1) | RU99116247A (enExample) |
| TW (2) | TW558557B (enExample) |
| WO (1) | WO1998029787A1 (enExample) |
Families Citing this family (121)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19736310A1 (de) * | 1997-08-21 | 1999-02-25 | Bayer Ag | Verfahren zur Herstellung von teilhydrierten Acrylnitril-Butadien-Kautschuken (HNBR) unter on-line-Anwendung der Raman-Spektroskopie |
| US6200134B1 (en) | 1998-01-20 | 2001-03-13 | Kerr Corporation | Apparatus and method for curing materials with radiation |
| KR100621254B1 (ko) | 1998-07-06 | 2006-09-13 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 엘라스토머 중합체를 탈수시키기 위한 장치 및 방법 |
| US6635224B1 (en) * | 1998-10-30 | 2003-10-21 | General Electric Company | Online monitor for polymer processes |
| FI991542L (fi) * | 1999-07-06 | 2001-01-07 | Neste Chemicals Oy | Menetelmä moniarvoisten alkoholien valmistusprosessin ohjaamiseksi |
| US6748334B1 (en) * | 1999-12-06 | 2004-06-08 | Jorge E. Perez | Specialty gas analysis system |
| CN1221872C (zh) | 2000-04-27 | 2005-10-05 | Bp北美公司 | 化学生产方法的控制方法 |
| JP3613271B2 (ja) * | 2000-08-07 | 2005-01-26 | 三井化学株式会社 | 製造制御方法 |
| US6632680B1 (en) * | 2000-09-22 | 2003-10-14 | Deslauriers Paul J. | Measurement of short chain branching in olefin copolymers using chemometric analysis |
| GB0026173D0 (en) * | 2000-10-26 | 2000-12-13 | Imerys Minerals Ltd | Processing of inorganic particulate materials |
| US20030135547A1 (en) * | 2001-07-23 | 2003-07-17 | Kent J. Thomas | Extensible modular communication executive with active message queue and intelligent message pre-validation |
| KR100749589B1 (ko) * | 2001-10-25 | 2007-08-14 | 에스케이에너지 주식회사 | 에틸렌 제조공정에 근적외선 분광분석 기술을 적용하는 방법 |
| EP1442284B1 (de) * | 2001-10-30 | 2008-03-12 | Lanxess Deutschland GmbH | Bestimmung des reaktionsfortschritts von pfropfpolymerisationsreaktionen |
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| JP4435307B2 (ja) | 2010-03-17 |
| US6072576A (en) | 2000-06-06 |
| IL130731A (en) | 2004-07-25 |
| IL130731A0 (en) | 2000-06-01 |
| CA2276624C (en) | 2001-07-24 |
| RU99116247A (ru) | 2001-08-20 |
| DE69705323T3 (de) | 2012-02-09 |
| WO1998029787A1 (en) | 1998-07-09 |
| AU5714998A (en) | 1998-07-31 |
| KR20000062408A (ko) | 2000-10-25 |
| TWI266769B (en) | 2006-11-21 |
| EP0948761B2 (en) | 2011-09-07 |
| EP0948761B1 (en) | 2001-06-20 |
| DE69705323D1 (de) | 2001-07-26 |
| DE69705323T2 (de) | 2002-04-25 |
| NO993261D0 (no) | 1999-06-30 |
| ES2160983T5 (es) | 2012-02-15 |
| KR100500802B1 (ko) | 2005-07-12 |
| CA2276624A1 (en) | 1998-07-09 |
| ES2160983T3 (es) | 2001-11-16 |
| CN1105956C (zh) | 2003-04-16 |
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