JPS575696A - Pretreatment of cellulosic substance - Google Patents

Pretreatment of cellulosic substance

Info

Publication number
JPS575696A
JPS575696A JP7781380A JP7781380A JPS575696A JP S575696 A JPS575696 A JP S575696A JP 7781380 A JP7781380 A JP 7781380A JP 7781380 A JP7781380 A JP 7781380A JP S575696 A JPS575696 A JP S575696A
Authority
JP
Japan
Prior art keywords
ozone
water
cellulosic substance
length
substance
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
JP7781380A
Other languages
Japanese (ja)
Inventor
Hitoshi Ishibashi
Masahiko Ishida
Yoji Otahara
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7781380A priority Critical patent/JPS575696A/en
Publication of JPS575696A publication Critical patent/JPS575696A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

PURPOSE: A cellulosic substance of a specific length is made to contain water and subjected to gas-solid contact with ozone, dried and crushed into a specific length, whereby the biodegradability of the titled substance is increased.
CONSTITUTION: In the mixing tank 1, water is added to a cellulosic substance of longer than 1mm length such as straw, bagasse, used paper or saw dust to control the water content. The water-containing cellulose is brought into contact with the ozone-containing air fed from the ozone generator 3 in the ozone reactor 2. The resultant cellulosic substance is discharged from the ozone reactor 2, dried in the drier 4 and crushed with the crusher 5 into pieces of less than 0.35mm length.
COPYRIGHT: (C)1982,JPO&Japio
JP7781380A 1980-06-11 1980-06-11 Pretreatment of cellulosic substance Pending JPS575696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7781380A JPS575696A (en) 1980-06-11 1980-06-11 Pretreatment of cellulosic substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7781380A JPS575696A (en) 1980-06-11 1980-06-11 Pretreatment of cellulosic substance

Publications (1)

Publication Number Publication Date
JPS575696A true JPS575696A (en) 1982-01-12

Family

ID=13644456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7781380A Pending JPS575696A (en) 1980-06-11 1980-06-11 Pretreatment of cellulosic substance

Country Status (1)

Country Link
JP (1) JPS575696A (en)

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