Method for preparing perchlorate by electrolysis of chlorate

Method for preparing perchlorate by electrolysis of chlorate

  • CN 1,243,126 C
  • Filed: 12/18/2002
  • Issued: 02/22/2006
  • Est. Priority Date: 12/18/2002
  • Status: Active Grant
First Claim
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1. method for preparing perchlorate by chlorate electrolysis, be included in the saturated solution of oxymuriate, the control pH value is 5-7, the control electrolysis temperature is below 80 ℃

  • , make anode with ti-supported lead dioxide electric pole or pottery base lead dioxide electrode or platinum electrode, carry out electrolysis with stainless steel electrode as negative electrode, groove is pressed the volt for 3.5-6, the electrolysis that obtains through electrolysis is finished liquid and is used to produce the perchlorate product, it is characterized in that electrolytic method is to be connected into one group more than or equal to the electrolyzer more than 3, electrolyzer is by the stepped arrangement of potential difference, electrolytic solution flows into the extreme higher position electrolyzer from cell liquor head tank, overflow enters the next position electrolyzer continuation electrolysis after electrolysis, and then overflow enters next electrolyzer, obtain electrolysis through last groove electrolysis and finish liquid, and the transformation efficiency of control electrolysis terminal point oxymuriate is just finished electrolysis liquid and is used to produce the perchlorate product between 65-85%.

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