plural parallel stages only

Industry

CPC
C10G69/14

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Parent Industries

CCHEMISTRY METALLURGY C10Petroleum, gas C10GCRACKING HYDROCARBON OILS PRODUCTION OF LIQUID HYDROCARBON MIXTURES C10G69/00Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process

Current Industry

C10G69/14plural parallel stages only

Industries

Patents Grantslast 30 patents

Information Patent Grant
Multi-zone catalytic cracking of crude oils
- Patent number 12,163,096
- Issue date Dec 10, 2024
- Saudi Arabian Oil Company
- Mansour Ali Al-Herz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for converting naphtha to light olefins with separation
- Patent number 12,122,966
- Issue date Oct 22, 2024
- UOP LLC
- Gregory A. Funk
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Systems and processes for processing pyrolysis oil
- Patent number 12,091,620
- Issue date Sep 17, 2024
- Chevron Phillips Chemical Company LP
- Bruce D. Murray
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for processing a hydrocarbon oil feed stream utilizing a de...
- Patent number 11,939,541
- Issue date Mar 26, 2024
- Saudi Arabian Oil Company
- Qi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and processes for processing pyrolysis oil
- Patent number 11,939,542
- Issue date Mar 26, 2024
- Chevron Phillips Chemical Company LP
- Bruce D. Murray
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Integrated process for converting crude oil to high value petrochem...
- Patent number 11,840,672
- Issue date Dec 12, 2023
- Indian Oil Corporation Limited
- Ponoly Ramachandran Pradeep
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Systems and processes for processing pyrolysis oil
- Patent number 11,802,250
- Issue date Oct 31, 2023
- Chevron Phillips Chemical Company LP
- Bruce D. Murray
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Preparation of a fuel blend
- Patent number 11,692,148
- Issue date Jul 4, 2023
- Neste Oyj
- Jenni Nortio
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Integrated aromatic separation process with selective hydrocracking...
- Patent number 11,339,336
- Issue date May 24, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Optimizing the simultaneous production of high-value chemicals and...
- Patent number 11,319,498
- Issue date May 3, 2022
- SABIC GLOBAL TECHNOLOGIES B.V.
- Nicolas Goyheneix
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Conversion of crude oil to aromatic and olefinic petrochemicals
- Patent number 11,261,388
- Issue date Mar 1, 2022
- Saudi Arabian Oil Company
- Raed Abudawoud
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for processing crude oils to form light olefins
- Patent number 11,242,493
- Issue date Feb 8, 2022
- Saudi Arabian Oil Company
- Qi Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Processes for producing petrochemical products from crude oil
- Patent number 11,230,676
- Issue date Jan 25, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Conversion of crude oil to aromatic and olefinic petrochemicals
- Patent number 11,162,038
- Issue date Nov 2, 2021
- Saudi Arabian Oil Company
- Raed Abudawoud
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Processes and systems for petrochemical production integrating deep...
- Patent number 11,142,710
- Issue date Oct 12, 2021
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for producing multifunctional catalysts for upgrading pyrol...
- Patent number 11,130,119
- Issue date Sep 28, 2021
- Saudi Arabian Oil Company
- Miao Sun
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for producing mesoporous zeolite multifunctional catalysts...
- Patent number 11,123,725
- Issue date Sep 21, 2021
- Saudi Arabian Oil Company
- Miao Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polished turbine fuel
- Patent number 11,104,856
- Issue date Aug 31, 2021
- Mawetal LLC
- Mohammed Wohaibi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Process for upgrading refinery heavy residues to petrochemicals
- Patent number 11,072,750
- Issue date Jul 27, 2021
- Saudi Basic Industries Corporation
- Thomas Hubertus Maria Housmans
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for upgrading refinery heavy residues to petrochemicals
- Patent number 11,046,900
- Issue date Jun 29, 2021
- Saudi Basic Industries Corporation
- Thomas Hubertus Maria Housmans
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for producing multifunctional catalysts for upgrading pyrol...
- Patent number 11,027,271
- Issue date Jun 8, 2021
- Saudi Arabian Oil Company
- Miao Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polished turbine fuel
- Patent number 11,015,133
- Issue date May 25, 2021
- Mawetal LLC
- Mohammed Wohaibi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Polished turbine fuel
- Patent number 11,015,134
- Issue date May 25, 2021
- Mawetal LLC
- Mohammed Wohaibi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for the conversion of crude oil to petrochemicals
- Patent number 10,927,314
- Issue date Feb 23, 2021
- SABIC GLOBAL TECHNOLOGIES B.V.
- Andrew Mark Ward
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for treating gasoline
- Patent number 10,907,110
- Issue date Feb 2, 2021
- China Petroleum and Chemical Corporation
- Youhao Xu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydroprocessing of catalytic slurry oil and coker bottoms
- Patent number 10,870,806
- Issue date Dec 22, 2020
- ExxonMobil Research and Engineering Company
- Stephen H. Brown
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for producing multifunctional catalysts for upgrading pyrol...
- Patent number 10,870,106
- Issue date Dec 22, 2020
- Saudi Arabian Oil Company
- Miao Sun
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Conversion of crude oil to aromatic and olefinic petrochemicals
- Patent number 10,851,316
- Issue date Dec 1, 2020
- Saudi Arabian Oil Company
- Raed Abudawoud
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Conversion of crude oil to aromatic and olefinic petrochemicals
- Patent number 10,844,296
- Issue date Nov 24, 2020
- Saudi Arabian Oil Company
- Raed Abudawoud
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for producing mesoporous zeolite multifunctional catalysts...
- Patent number 10,835,894
- Issue date Nov 17, 2020
- Saudi Arabian Oil Company
- Miao Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MULTI-ZONE CATALYTIC CRACKING OF CRUDE OILS
- Publication number 20240263091
- Publication date Aug 8, 2024
- Saudi Arabian Oil Company
- Mansour Ali Al-Herz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEMS AND PROCESSES FOR PROCESSING PYROLYSIS OIL
- Publication number 20240191149
- Publication date Jun 13, 2024
- Chevron Phillips Chemical Company LP
- Bruce D. Murray
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...
- Publication number 20240182802
- Publication date Jun 6, 2024
- Saudi Arabian Oil Company
- Qi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...
- Publication number 20240018429
- Publication date Jan 18, 2024
- Saudi Arabian Oil Company
- Aaron Chi Akah
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...
- Publication number 20240018431
- Publication date Jan 18, 2024
- Saudi Arabian Oil Company
- Qi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...
- Publication number 20240018433
- Publication date Jan 18, 2024
- Saudi Arabian Oil Company
- Qi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A GA...
- Publication number 20240018432
- Publication date Jan 18, 2024
- Saudi Arabian Oil Company
- Qi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...
- Publication number 20240018430
- Publication date Jan 18, 2024
- Saudi Arabian Oil Company
- Aaron Chi Akah
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A GA...
- Publication number 20240018434
- Publication date Jan 18, 2024
- Saudi Arabian Oil Company
- Qi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PRODUCTION OF LOW CARBON JET FUEL
- Publication number 20230383194
- Publication date Nov 30, 2023
- EMERGING FUELS TECHNOLOGY, INC.
- Kenneth L. Agee
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR CONVERTING NAPHTHA TO LIGHT OLEFINS WITH SEPARATION
- Publication number 20230357654
- Publication date Nov 9, 2023
- UOP LLC
- Gregory A. Funk
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
An Integrated Process For Converting Crude Oil To High Value Petroc...
- Publication number 20230227738
- Publication date Jul 20, 2023
- Indian Oil Corporation Limited
- Ponoly Ramachandran PRADEEP
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS AND SYSTEMS FOR PROCESSING CRUDE OIL
- Publication number 20220064556
- Publication date Mar 3, 2022
- Saudi Arabian Oil Company, Dhahran, SAUDI ARABIA
- Aaron Chi Akah
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS FOR PROCESSING CRUDE OILS TO FORM LIGHT OLEFINS
- Publication number 20220064555
- Publication date Mar 3, 2022
- Saudi Arabian Oil Company
- Qi Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
OPTIMIZING THE SIMULTANEOUS PRODUCTION OF HIGH-VALUE CHEMICALS AND...
- Publication number 20220056355
- Publication date Feb 24, 2022
- SABIC Global Technologies B.V.
- Nicolas GOYHENEIX
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESSES AND SYSTEMS FOR PETROCHEMICAL PRODUCTION INTEGRATING DEEP...
- Publication number 20210246389
- Publication date Aug 12, 2021
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEM AND PROCESS FOR STEAM CRACKING AND PFO TREATMENT INTEGRATING...
- Publication number 20210130717
- Publication date May 6, 2021
- Saudi Arabian Oil Company
- Qi XU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
CONVERSION OF CRUDE OIL TO AROMATIC AND OLEFINIC PETROCHEMICALS
- Publication number 20210040402
- Publication date Feb 11, 2021
- Saudi Arabian Oil Company
- Raed Abudawoud
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
CONVERSION OF CRUDE OIL TO AROMATIC AND OLEFINIC PETROCHEMICALS
- Publication number 20210040403
- Publication date Feb 11, 2021
- Saudi Arabian Oil Company
- Raed Abudawoud
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PREPARATION OF A FUEL BLEND
- Publication number 20200362254
- Publication date Nov 19, 2020
- NESTE OYJ
- Jenni NORTIO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
POLISHED TURBINE FUEL
- Publication number 20200216766
- Publication date Jul 9, 2020
- MAWETAL LLC
- Mohammed Wohaibi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTEGRATED AROMATIC SEPARATION PROCESS WITH SELECTIVE HYDROCRACKING...
- Publication number 20200190414
- Publication date Jun 18, 2020
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
POLISHED TURBINE FUEL
- Publication number 20200172819
- Publication date Jun 4, 2020
- MAWETAL LLC
- Mohammed Wohaibi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
POLISHED TURBINE FUEL
- Publication number 20200172820
- Publication date Jun 4, 2020
- MAWETAL LLC
- Mohammed Wohaibi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM FOR CONVERSION OF CRUDE OIL TO PETROCHEMICALS AND FUEL PRODU...
- Publication number 20200123450
- Publication date Apr 23, 2020
- Saudi Arabian Oil Company
- Mohammed Saeed AL-GHAMDI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS AND SYSTEM FOR CONVERSION OF CRUDE OIL TO PETROCHEMICALS AN...
- Publication number 20200123459
- Publication date Apr 23, 2020
- Saudi Arabian Oil Company
- Mohammed Saeed AL-GHAMDI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEM FOR CONVERSION OF CRUDE OIL TO PETROCHEMICALS AND FUEL PRODU...
- Publication number 20200115642
- Publication date Apr 16, 2020
- Saudi Arabian Oil Company
- Mohammed Saeed AL-GHAMDI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process for Treating Gasoline
- Publication number 20190233749
- Publication date Aug 1, 2019
- China Petroleum and Chemical Corporation
- Youhao XU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
CONVERSION OF HEAVY FUEL OIL TO CHEMICALS
- Publication number 20190203130
- Publication date Jul 4, 2019
- Lummus Technology LLC
- Ujjal K. Mukherjee
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
AN INTEGRATED PROCESS CONFIGURATION INVOLVING THE STEPS OF PYROLYSI...
- Publication number 20190161683
- Publication date May 30, 2019
- SABIC Global Technologies B.V.
- Ravichander NARAYANASWAMY
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

plural parallel stages only

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Multi-zone catalytic cracking of crude oils

Process for converting naphtha to light olefins with separation

Systems and processes for processing pyrolysis oil

Methods for processing a hydrocarbon oil feed stream utilizing a de...

Systems and processes for processing pyrolysis oil

Integrated process for converting crude oil to high value petrochem...

Systems and processes for processing pyrolysis oil

Preparation of a fuel blend

Integrated aromatic separation process with selective hydrocracking...

Optimizing the simultaneous production of high-value chemicals and...

Conversion of crude oil to aromatic and olefinic petrochemicals

Methods for processing crude oils to form light olefins

Processes for producing petrochemical products from crude oil

Conversion of crude oil to aromatic and olefinic petrochemicals

Processes and systems for petrochemical production integrating deep...

Methods for producing multifunctional catalysts for upgrading pyrol...

Methods for producing mesoporous zeolite multifunctional catalysts...

Polished turbine fuel

Process for upgrading refinery heavy residues to petrochemicals

Process for upgrading refinery heavy residues to petrochemicals

Methods for producing multifunctional catalysts for upgrading pyrol...

Polished turbine fuel

Polished turbine fuel

Process for the conversion of crude oil to petrochemicals

Process for treating gasoline

Hydroprocessing of catalytic slurry oil and coker bottoms

Methods for producing multifunctional catalysts for upgrading pyrol...

Conversion of crude oil to aromatic and olefinic petrochemicals

Conversion of crude oil to aromatic and olefinic petrochemicals

Methods for producing mesoporous zeolite multifunctional catalysts...

Patents Applicationslast 30 patents

MULTI-ZONE CATALYTIC CRACKING OF CRUDE OILS

SYSTEMS AND PROCESSES FOR PROCESSING PYROLYSIS OIL

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A GA...

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A DE...

METHODS FOR PROCESSING A HYDROCARBON OIL FEED STREAM UTILIZING A GA...

METHOD FOR THE PRODUCTION OF LOW CARBON JET FUEL

PROCESS FOR CONVERTING NAPHTHA TO LIGHT OLEFINS WITH SEPARATION

An Integrated Process For Converting Crude Oil To High Value Petroc...

METHODS AND SYSTEMS FOR PROCESSING CRUDE OIL

METHODS FOR PROCESSING CRUDE OILS TO FORM LIGHT OLEFINS

OPTIMIZING THE SIMULTANEOUS PRODUCTION OF HIGH-VALUE CHEMICALS AND...

PROCESSES AND SYSTEMS FOR PETROCHEMICAL PRODUCTION INTEGRATING DEEP...

SYSTEM AND PROCESS FOR STEAM CRACKING AND PFO TREATMENT INTEGRATING...

CONVERSION OF CRUDE OIL TO AROMATIC AND OLEFINIC PETROCHEMICALS

CONVERSION OF CRUDE OIL TO AROMATIC AND OLEFINIC PETROCHEMICALS

PREPARATION OF A FUEL BLEND

POLISHED TURBINE FUEL

INTEGRATED AROMATIC SEPARATION PROCESS WITH SELECTIVE HYDROCRACKING...

POLISHED TURBINE FUEL

POLISHED TURBINE FUEL

SYSTEM FOR CONVERSION OF CRUDE OIL TO PETROCHEMICALS AND FUEL PRODU...

PROCESS AND SYSTEM FOR CONVERSION OF CRUDE OIL TO PETROCHEMICALS AN...

SYSTEM FOR CONVERSION OF CRUDE OIL TO PETROCHEMICALS AND FUEL PRODU...

Process for Treating Gasoline

CONVERSION OF HEAVY FUEL OIL TO CHEMICALS

AN INTEGRATED PROCESS CONFIGURATION INVOLVING THE STEPS OF PYROLYSI...