INORGANICCHEMICALSINDUSTRY ›› 2010, Vol. 0 ›› Issue (5): 0-0.

   

Performance comparison of anode materials for preparation of sodium dichromate by ion-exchange membrane electrolytic method

Chen Meida,Feng Haitao,Shi Jianbin,Dong Yaping,Li Wu   

  • Online:2010-05-10 Published:2010-10-01

Abstract: <SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">In order to resolve environmental pollution problems from the source in chrome salts production,it is urgent to explore a clean and efficient production technology of sodium dichromate.As a clean and high-efficient technology,ion-exchange membrane electrolytic method was introduced into the production of sodium dichromate.Pollution could be reduced by taking advantage of ion-exchange membrane electrolytic method to produce sodium dichromate.Therefore,it is a clean and high-efficient production technology.In allusion to the materials of the key equipments anode plate of ion-exchange membrane electrolytic method,detailed experiment research was carried out,which investigated the variation of cell voltage,current efficiency,and direct current consumption of the different anode plate materials.Through the comprehensive comparison on their performances and economic benefit,it was found that titanium-iridium plate</SPAN><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">′</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">s parameters met the requirement of electrolysis production and it</SPAN><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">′</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">s also low in the cost.Therefore,it is a good alternative material with higher performance price ratio for anode plate.</SPAN>