JPS5678681A - Method for removing poison of solution absorbed hydrogen cyanide - Google Patents

Method for removing poison of solution absorbed hydrogen cyanide

Info

Publication number
JPS5678681A
JPS5678681A JP15710079A JP15710079A JPS5678681A JP S5678681 A JPS5678681 A JP S5678681A JP 15710079 A JP15710079 A JP 15710079A JP 15710079 A JP15710079 A JP 15710079A JP S5678681 A JPS5678681 A JP S5678681A
Authority
JP
Japan
Prior art keywords
solution
hydrogen cyanide
tower
pump
sent
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.)
Granted
Application number
JP15710079A
Other languages
Japanese (ja)
Other versions
JPS6133636B2 (en
Inventor
Akinosuke Nishiyama
Tadao Shin
Hideto Fujiwara
Hiroyuki Matsumura
Takahiro Katayama
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.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries 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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP15710079A priority Critical patent/JPS5678681A/en
Publication of JPS5678681A publication Critical patent/JPS5678681A/en
Publication of JPS6133636B2 publication Critical patent/JPS6133636B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

PURPOSE: To remove poison by a simple device and easy operation by obtaining a sodium or potassium cyanate through oxidizing a solution, containing sodium or potassium cyanide produced by absorbing hydrogen cyanide, by ozone and by heating this solution up to a specified temperature for hydrolysis.
CONSTITUTION: In vegetable and fruit smoking chamber 1, vegetables and fruits such as bananas are placed and disinfected by introducing cyanides. After disinfection, the hydrogen cyanide is sent to absorption tower 3 by exhaust fan 2 and absorbed there into solution 4 of sodium hydroxide, etc. This solution 4 contg. the hydrogen cyanide is sent to absorption solution tank 6 by pump 5 and further sprayed through pump 10 at the upper part of oxidation tower 11 packed with packing material 13 such as Rasching rings. On the other hand, gas containing ozone is supplied from ozone generator 12 to the lower part of tower 11 and oxidizes the solium cyanide into solidum cyanate. Solution 14 of the cyanic acid staying on the bottom of tower 11 is sent by pump 15 to heater 16, which heats it up to 60W100°C for hydrolysis, thereby removing poison.
COPYRIGHT: (C)1981,JPO&Japio
JP15710079A 1979-12-03 1979-12-03 Method for removing poison of solution absorbed hydrogen cyanide Granted JPS5678681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15710079A JPS5678681A (en) 1979-12-03 1979-12-03 Method for removing poison of solution absorbed hydrogen cyanide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15710079A JPS5678681A (en) 1979-12-03 1979-12-03 Method for removing poison of solution absorbed hydrogen cyanide

Publications (2)

Publication Number Publication Date
JPS5678681A true JPS5678681A (en) 1981-06-27
JPS6133636B2 JPS6133636B2 (en) 1986-08-02

Family

ID=15642233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15710079A Granted JPS5678681A (en) 1979-12-03 1979-12-03 Method for removing poison of solution absorbed hydrogen cyanide

Country Status (1)

Country Link
JP (1) JPS5678681A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271849A (en) * 1992-03-20 1993-12-21 Devries Frederick W Process for treating waste containing cyanates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271849A (en) * 1992-03-20 1993-12-21 Devries Frederick W Process for treating waste containing cyanates

Also Published As

Publication number Publication date
JPS6133636B2 (en) 1986-08-02

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