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JPS5413533A - Method of reducing 3*4 benzpyrene in coal tar pitch - Google Patents

Method of reducing 3*4 benzpyrene in coal tar pitch

Info

Publication number
JPS5413533A
JPS5413533A JP7901977A JP7901977A JPS5413533A JP S5413533 A JPS5413533 A JP S5413533A JP 7901977 A JP7901977 A JP 7901977A JP 7901977 A JP7901977 A JP 7901977A JP S5413533 A JPS5413533 A JP S5413533A
Authority
JP
Japan
Prior art keywords
benzpyrene
reducing
coal tar
tar pitch
pitch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7901977A
Other languages
Japanese (ja)
Inventor
Takeshi Nagasawa
Takao Matsuki
Keizou Nakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawatetsu Kagaku KK
Original Assignee
Kawatetsu Kagaku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawatetsu Kagaku KK filed Critical Kawatetsu Kagaku KK
Priority to JP7901977A priority Critical patent/JPS5413533A/en
Publication of JPS5413533A publication Critical patent/JPS5413533A/en
Pending legal-status Critical Current

Links

Landscapes

  • Working-Up Tar And Pitch (AREA)
JP7901977A 1977-07-04 1977-07-04 Method of reducing 3*4 benzpyrene in coal tar pitch Pending JPS5413533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7901977A JPS5413533A (en) 1977-07-04 1977-07-04 Method of reducing 3*4 benzpyrene in coal tar pitch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7901977A JPS5413533A (en) 1977-07-04 1977-07-04 Method of reducing 3*4 benzpyrene in coal tar pitch

Publications (1)

Publication Number Publication Date
JPS5413533A true JPS5413533A (en) 1979-02-01

Family

ID=13678221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7901977A Pending JPS5413533A (en) 1977-07-04 1977-07-04 Method of reducing 3*4 benzpyrene in coal tar pitch

Country Status (1)

Country Link
JP (1) JPS5413533A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05309284A (en) * 1992-05-08 1993-11-22 Miyamoto Seisakusho:Kk Disintegrator
EP0957150A1 (en) * 1998-05-15 1999-11-17 Carbochimica S.p.A. Tar and/or oil pitch with a low content of polycyclic aromatic substances and a method for the preparation thereof
WO2006009128A1 (en) * 2004-07-20 2006-01-26 Jfe Chemical Corporation Coal tar blend and plug for outlet for molten metal
JP2011516623A (en) * 2008-03-05 2011-05-26 サント‐ゴバイン、ド、ブラジル、プロドゥトス、インダストリアイス、エ、パラ、コンストゥルサオ、リミターダ Process for the preparation of an ecological binder system for refractory formulations
CN105602598A (en) * 2015-12-25 2016-05-25 山西省交通科学研究院 Collecting testing method for benzopyrene in coal asphalt

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05309284A (en) * 1992-05-08 1993-11-22 Miyamoto Seisakusho:Kk Disintegrator
EP0957150A1 (en) * 1998-05-15 1999-11-17 Carbochimica S.p.A. Tar and/or oil pitch with a low content of polycyclic aromatic substances and a method for the preparation thereof
WO2006009128A1 (en) * 2004-07-20 2006-01-26 Jfe Chemical Corporation Coal tar blend and plug for outlet for molten metal
JP2011516623A (en) * 2008-03-05 2011-05-26 サント‐ゴバイン、ド、ブラジル、プロドゥトス、インダストリアイス、エ、パラ、コンストゥルサオ、リミターダ Process for the preparation of an ecological binder system for refractory formulations
CN105602598A (en) * 2015-12-25 2016-05-25 山西省交通科学研究院 Collecting testing method for benzopyrene in coal asphalt
CN105602598B (en) * 2015-12-25 2019-02-22 山西省交通科学研究院 The collection test method of BaP in a kind of coal tar pitch

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