JP4694126B2 - 硫黄含有量0.05重量%未満の炭化水素生成物の製造方法 - Google Patents
硫黄含有量0.05重量%未満の炭化水素生成物の製造方法 Download PDFInfo
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title claims abstract description 136
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 75
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 74
- 230000008569 process Effects 0.000 title claims abstract description 70
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 65
- 229910052717 sulfur Inorganic materials 0.000 title claims description 163
- 239000011593 sulfur Substances 0.000 title claims description 163
- 239000000203 mixture Substances 0.000 claims abstract description 53
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000010977 unit operation Methods 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 139
- 239000007789 gas Substances 0.000 claims description 133
- 239000000047 product Substances 0.000 claims description 82
- 238000003860 storage Methods 0.000 claims description 45
- 238000005259 measurement Methods 0.000 claims description 41
- 239000002994 raw material Substances 0.000 claims description 31
- 238000009835 boiling Methods 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 15
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical group OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 10
- -1 sulfur hydrocarbon Chemical class 0.000 claims description 10
- 238000004821 distillation Methods 0.000 claims description 9
- 239000003350 kerosene Substances 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000004231 fluid catalytic cracking Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910000510 noble metal Inorganic materials 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 239000002638 heterogeneous catalyst Substances 0.000 claims description 2
- 238000004876 x-ray fluorescence Methods 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims 1
- 238000012921 fluorescence analysis Methods 0.000 claims 1
- 150000003463 sulfur Chemical class 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 abstract 11
- 230000006870 function Effects 0.000 description 13
- 230000000996 additive effect Effects 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- 239000010724 circulating oil Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 7
- 238000013329 compounding Methods 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000002808 molecular sieve Substances 0.000 description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004886 process control Methods 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012417 linear regression Methods 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004517 catalytic hydrocracking Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 238000003070 Statistical process control Methods 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- WHDPTDWLEKQKKX-UHFFFAOYSA-N cobalt molybdenum Chemical compound [Co].[Co].[Mo] WHDPTDWLEKQKKX-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Description
本発明は、硫黄含有量が0.05重量%を超える2種以上の炭化水素供給原料(任意に他の供給原料を含む)から出発して、所望の硫黄含有量が0.05重量%未満に特定された炭化水素生成物を連続的に製造する方法に関する。本発明は、特に炭化水素生成物がガス油(ディーゼル)生成物である方法に関する。
いわゆるガス油配合貯蔵所において、貯蔵容器に貯蔵された各種の水素化処理し又は水素化処理していないガス油成分を配合して、完成ガス油生成物を得る、いわゆる製油所プロセスは公知である。これらの水素化処理ガス油成分は、硫黄含有量を低水準まで低下させるため、硫黄含有量の多い好適な炭化水素製油所流からなる各種供給源を水素化脱硫プロセスユニットで処理することにより得られる。このような製油所流の例は、ケロシンフラクション、直留ガス油、真空ガス油、熱分解法で得られるガス油、及び流動接触分解ユニットで得られる軽質及び重質循環油である。この配合法で完成ガス油の製造に使用される非水素化処理ガス油成分の例は、燃料の水素化分解プロセスで得られるガス油フラクションである。
この目的は、下記方法によって達成される。即ち、この方法は、硫黄含有量が0.05重量%を超える2種以上の炭化水素供給原料から出発して、所望の硫黄含有量が0.05重量%未満に特定された炭化水素生成物を連続的に製造する方法において、
(a)前記硫黄含有量が0.05重量%を超える2種以上の炭化水素供給原料を配合して、配合原料混合物を形成する工程、
(b)この配合原料混合物の硫黄含有量を水素化脱硫工程で低下させる工程、
(c)工程(b)の流出物を含む、硫黄含有量が低下した炭化水素フラクションを得た後、炭化水素フラクションの硫黄含有量を測定する工程、及び
(d)工程(c)の直接生成物から最終炭化水素生成物を得た後、工程(c)で測定した硫黄含有量を、炭化水素生成物の所望の硫黄含有量と比較し、炭化水素生成物の硫黄含有量が、該炭化水素生成物の所望の硫黄含有量に近似するか又は同等になるまで該方法を調節する工程、
を含み、工程(a)での配合及び工程(b)での水素化脱硫ユニット操作の統合制御により所望の硫黄含有量を有する炭化水素の製造を最適化すると共に、工程(c)で測定した炭化水素フラクションの硫黄含有量を考慮する、というものである。
工程(a)では、硫黄含有量が0.05重量%を超える2種以上の炭化水素供給原料が配合される。好ましくは3種以上、更に好ましくは4種以上のこれら高硫黄供給原料が工程(a)で配合される。本発明の利点は、工程(a)でこのように多数の高硫黄供給原料が配合される程、本発明が一層達成され易いことである。このような極めて多数の供給原料を用いると、プロセス全体を最適化する方法は、ますます複雑になる。下記の好ましい方法により、最適化の改良が達成できることが見い出された。
最大利益=生成物 流速*$生成物−(成分 i 流速*$成分 i)の合計
図1は、水素化脱硫技術陣容の状態の説明図である。
図2は、本発明の好ましい制御計画を有する実施態様を示す。
図3、4は、ロバスト品質推定器を示す。
図1は、水素化脱硫操作技術の状態を示す。水素化脱硫ユニット(101)に各種原料(102、103、104)が供給される。これらの原料は、貯蔵容器(105、106、107)に貯蔵される。このような貯蔵は、各種炭化水素原料(図示せず)と水素化脱硫ユニット(101)間に配置される。水素化脱硫ユニットの生成物は、配合貯蔵所(111)の異なる容器(108、109、110)に貯蔵される。低硫黄水素化脱硫生成物を比較的高い硫黄含有量の水素化脱硫生成物とは離して貯蔵することにより、所望の規格を有する貯蔵容器(112)に貯蔵されたガス油生成物を配合できる。配合貯蔵所(111)は、水素化脱硫ユニットの生成物ではない低硫黄炭化水素供給原料用の貯蔵容器(113)を備えていてもよい。最終ガス油生成物には、オンライン添加物注入(114)により添加物が添加される。
図2に示すこれらのロバスト品質推定器は、推定のため、入力を必要とする。この所要の入力及び関連の測定は、図2には示していない。ロバスト品質推定器は、有効な実測定を利用して更にオンライン較正される。この所要のオンライン又はオフライン測定は、図2に示していない。
A)生のプロセスデータを集める工程、
B)工程A)で集めたデータを前記プロセスモデルで処理して、ガス油品質の予測値を得る工程、
C)この予測値を動的伝達関数で処理して2つの中間信号を作る工程、
D)工程C)で得られた2つの中間信号を履歴に時間関数として記憶する工程、
E)該履歴から、前記ガス油品質の有効な実測定時に、最小及び最大の特定不動作時間に相当する時間内で、前記2つの中間信号の最小及び最大絶対値(これらの値は、最小及び最大の予測点を規定する)を検索する工程、
F)前記有効な実測定値と、工程E)で得られた可能な最小及び最大予測値で囲まれた領域との差として偏差を計算する工程、
G)工程F)で得られた偏差の絶対値が0ならば、工程I)を開始し、或いは工程F)で得られた偏差の絶対値が0より大きければ、工程H)を開始する工程、
H)前記偏差をプロセスモデルに導入する工程、及び
I)工程A)〜H)を繰り返す工程、
を含む。
本発明方法にカルマン・フィルタを組合せることにより、なお一層ロバストな制御方法が得られることが見い出された。カルマン・フィルタを使用する更なる利点は、ガス油品質推定方法の精度向上を維持することである。ガス油品質の有効な実測定値を受けない場合は、工程E、F、Gで定義したような較正は行なわれない。このシステムは、ガス油品質の更なる有効な実測定値を受けるまで、工程A〜Dを繰り返す。
102、103、104 原料
105、106、107 貯蔵容器
111 配合貯蔵所
108、109、110 容器
112、113 貯蔵容器
114 オンライン添加物注入
120 最終ガス油生成物
121 ケロシン供給原料
122 直留ガス油供給原料
123 真空ガス油供給原料
124 循環油供給原料
125 配合原料混合物
126、127 貯蔵容器
129 拡大モデルプロセスコントローラ
130 制御ライン
131 ロバストな品質推定器
132 水素化脱硫ユニット
133 水素化脱硫ユニットの流出物
134 低硫黄ガス油供給原料
135 供給原料貯蔵容器
139 添加物貯蔵容器
140 最終ガス油生成物貯蔵容器又は貯蔵タンク
141 船
142、143、144 ロバスト品質推定器
1 プロセスモデル
2 生のプロセスデータ
3 モジュール
4 ガス油品質の実測定値
5 有効化モジュール
6 ガス油品質の有効な実測定値
7 偏差計算
8 偏差
9 カルマン・フィルタ
11 推定ガス油品質
12 コントローラ
20、21 中間信号
22 不確実領域又は予測のガス油品質領域
23、24 定常状態の状況
25 最小予測点又は最小不動作時間
26 最大予測点又は最大不動作時間
27 絶対最小値
28 絶対最大値
29 ガス油品質の後で有効化された実測定値
29’ ガス油品質の有効な実測定値
30 偏差
Claims (20)
- 硫黄含有量が0.05重量%を超える2種以上の炭化水素供給原料から出発して、所望の硫黄含有量が0.05重量%未満の特定値を有する炭化水素生成物を連続的に製造する方法において、
(a)前記硫黄含有量が0.05重量%を超える2種以上の炭化水素供給原料を配合して、配合原料混合物を形成する工程、
(b)この配合原料混合物の硫黄含有量を水素化脱硫工程で低下させる工程、
(c)工程(b)の流出物を含む、硫黄含有量が低下した炭化水素フラクションを得た後、炭化水素フラクションの硫黄含有量を測定する工程、及び
(d)工程(c)の直接生成物から最終炭化水素生成物を得る工程であって、該工程は、工程(c)で測定した硫黄含有量を、炭化水素生成物の所望の硫黄含有量と比較し、炭化水素生成物の硫黄含有量が、該炭化水素生成物の所望の硫黄含有量に近似するか又は同等になるまで該方法を調節する工程を含み、
工程(a)での配合及び工程(b)での水素化脱硫ユニット操作の統合制御により前記所望の硫黄含有量を有する炭化水素生成物の製造を制御し、前記統合制御は工程(c)において低硫黄炭化水素供給原料の、工程(b)の流出物への添加も制御し、工程(c)において工程(b)の流出物と混合される低硫黄炭化水素供給原料の硫黄含有量が0.05重量%未満であり、かつ工程(c)におけるガス油フラクションの硫黄含有量測定は前記低硫黄炭化水素供給原料の添加後に行なうことを特徴とする前記炭化水素生成物の連続製造方法。 - 工程(d)での統合制御に多変数予測コントローラが使用される請求項1に記載の方法。
- 工程(c)においてフラクション中の硫黄含有量の測定がモデル基準の品質推定器で行われると共に、工程(a)で得られた配合原料混合物の硫黄含有量が工程(c)においてフラクション中の硫黄含有量を予測するため、該モデル基準の品質推定器に情報として付与される請求項1又は2に記載の方法。
- 配合原料混合物、工程(b)の流出物、及び炭化水素フラクションよりなる群から選ばれた流体の硫黄含有量以外の少なくとも1つの性能も前記モデル基準の品質推定器に他の情報として付与される請求項3に記載の方法。
- 該方法の制御が、炭化水素生成物の硫黄含有量以外の少なくとも1つの性能を該炭化水素生成物の規格内に入れるように、配列される請求項1〜3のいずれか1項に記載の方法。
- 前記少なくとも1つの他の性能が、セタン指数、セタン価、曇り点、常温油コシ詰まり点、引火点、流動点、密度、粘度、色調、潤滑性、電気伝導性、合計芳香族含有量、ジ+−芳香族含有量、ポリ−芳香族含有量、90%、95%又は100%回収での蒸留温度、蒸留曲線、硫黄種の沸点範囲による分布、及び窒素含有量よりなる群から選ばれる請求項5に記載の方法。
- 前記統合制御が、工程(c)において添加物の添加も制御する請求項1〜6のいずれか1項に記載の方法。
- 前記低硫黄炭化水素供給原料が、燃料の水素化分解器で得られるガス油フラクション、水素化処理したケロシンフラクション、脂肪酸メチルエーテル、及びフィッシャー・トロプシュ反応生成物から得られる燃料フラクションよりなる群から選ばれる請求項1に記載の方法。
- 配合原料混合物の硫黄含有量、工程(b)流出物の硫黄含有量、炭化水素フラクションの硫黄含有量よりなる群から選ばれた1つの性能の測定に、一測定法が使用される請求項1〜8のいずれか1項に記載の方法。
- 配合原料混合物の硫黄含有量、工程(b)流出物の硫黄含有量、炭化水素フラクションの硫黄含有量よりなる群から選ばれた1つの性能の測定に、モデル基準の品質推定器が使用される請求項1〜9のいずれか1項に記載の方法。
- 前記モデル基準品質推定器が、定常又は非定常状態の条件下で較正可能な自己較正式品質推定器である請求項3、4又は10項に記載の方法。
- 前記モデル基準品質推定器が、オフライン又はオンラインX線蛍光分析法或いはオフライン又はオンライン紫外線蛍光分析法を用いて硫黄含有量測定値を得て、この硫黄含有量の有効な実測定値を利用してオンラインで較正される請求項3、4又は10項に記載の方法。
- 前記炭化水素生成物が、工程(d)において、工程(c)の炭化水素フラクションを満たした貯蔵容器中に得られる請求項1〜12のいずれか1項に記載の方法。
- 前記貯蔵容器での硫黄含有量及び/又は少なくとも1つの他の性能の品質が、貯蔵容器を部分的に満たす際に測定され、多変数予測コントローラも、貯蔵容器を所定水準まで満たした時、該容器中の全炭化水素生成物の性能を制御するように該方法を調節するため、この測定を利用する請求項13に記載の方法。
- 前記硫黄含有量及び/又は少なくとも1つの他の性能の品質の測定が、モデル基準の品質推定器を利用して行なわれる請求項14に記載の方法。
- 前記炭化水素生成物が、ガス油生成物である請求項1〜15のいずれか1項に記載の方法。
- 工程(a)で使用した炭化水素供給原料が、ケロシンフラクション、直留ガス油フラクション、真空ガス油フラクション、熱分解法で得られるガス油フラクション、及び流動接触分解法で得られる軽質又は重質循環油のリストから選ばれた2種以上の製油所供給源を含む請求項1〜16のいずれか1項に記載の方法。
- 工程(b)が、水素と、担体、VIB族金属及び第VIII族非貴金属を含有する不均質触媒との存在下に行なわれる請求項1〜17のいずれか1項に記載の方法。
- 前記水素化脱硫工程の次に工程(b)において接触脱蝋工程も行なわれる請求項1〜18のいずれか1項に記載の方法。
- 前記較正が、
A)生のプロセスデータを集める工程、
B)工程A)で集めたデータを前記プロセスモデルで処理して、ガス油品質の予測値を得る工程、
C)この予測値を動的伝達関数で処理して2つの中間信号を作る工程、
D)工程C)で得られた2つの中間信号を履歴として時間関数で記憶する工程、
E)該履歴から、前記ガス油品質の有効な実測定時に、最小及び最大の特定不動作時間に相当する時間内で、前記2つの中間信号の最小及び最大絶対値(これらの値は、可能な最小及び最大の予測点を規定する)を検索する工程、
F)前記有効な実測定値と、工程E)で得られた可能な最小及び最大予測値で囲まれた領域との差として偏差を計算する工程、
G)工程F)で得られた偏差の絶対値が0ならば、工程I)に進み、或いは工程F)で得られた偏差の絶対値が0より大きければ、工程H)に進む工程、
H)前記偏差をプロセスモデルに導入する工程、及び
I)工程A)〜H)を繰り返す工程、
によって行なわれる請求項11に記載の方法。
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- 2002-08-06 RU RU2004106603/04A patent/RU2292379C2/ru active
- 2002-08-06 KR KR1020047001958A patent/KR100879483B1/ko active IP Right Grant
- 2002-08-06 EP EP02767336A patent/EP1414931B1/en not_active Expired - Lifetime
- 2002-08-06 JP JP2003519197A patent/JP4694126B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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CN1547606A (zh) | 2004-11-17 |
MY139953A (en) | 2009-11-30 |
CN100513527C (zh) | 2009-07-15 |
ATE537240T1 (de) | 2011-12-15 |
CA2456558C (en) | 2012-01-24 |
PL196081B1 (pl) | 2007-12-31 |
US20040232050A1 (en) | 2004-11-25 |
HUP0401142A2 (hu) | 2004-09-28 |
US7244350B2 (en) | 2007-07-17 |
EP1414931B1 (en) | 2011-12-14 |
WO2003014264A1 (en) | 2003-02-20 |
CA2456558A1 (en) | 2003-02-20 |
JP2005500411A (ja) | 2005-01-06 |
HUP0401142A3 (en) | 2005-11-28 |
EP1414931A1 (en) | 2004-05-06 |
KR20040025936A (ko) | 2004-03-26 |
KR100879483B1 (ko) | 2009-01-20 |
RU2292379C2 (ru) | 2007-01-27 |
NZ530763A (en) | 2006-07-28 |
PL367044A1 (en) | 2005-02-21 |
RU2004106603A (ru) | 2005-07-27 |
AU2002331207B2 (en) | 2007-01-04 |
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