TWI455892B - Wastewater treatment method for using boric acid to treat wasteweater containing nickel - Google Patents

Wastewater treatment method for using boric acid to treat wasteweater containing nickel Download PDF

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Publication number
TWI455892B
TWI455892B TW099145290A TW99145290A TWI455892B TW I455892 B TWI455892 B TW I455892B TW 099145290 A TW099145290 A TW 099145290A TW 99145290 A TW99145290 A TW 99145290A TW I455892 B TWI455892 B TW I455892B
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TW
Taiwan
Prior art keywords
treatment method
wastewater
wastewater treatment
boric acid
wasteweater
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TW099145290A
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Chinese (zh)
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TW201226331A (en
Inventor
Chuhshun Chen
Yaohui Huang
Mingchun Lu
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Univ Chia Nan Pharm & Sciency
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Priority to TW099145290A priority Critical patent/TWI455892B/en
Publication of TW201226331A publication Critical patent/TW201226331A/en
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Publication of TWI455892B publication Critical patent/TWI455892B/en

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  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrolytic Production Of Metals (AREA)

Claims (5)

一種利用硼酸來處理含鎳廢水之廢水處理方法，包含：提供一電解裝置，其中該電解裝置包含至少一陰極和至少一陽極；進行一電解步驟，以利用該電解裝置來電解該廢水，使該廢水所含之鎳離子於該至少一陰極上還原成鎳金屬；以及進行一氫氧化物抑制步驟，以加入硼酸至該至少一陰極與該廢水之接面上來降低一氫氧化物的產生速率。A wastewater treatment method for treating nickel-containing wastewater by using boric acid, comprising: providing an electrolysis device, wherein the electrolysis device comprises at least one cathode and at least one anode; performing an electrolysis step to electrolyze the wastewater by using the electrolysis device, The nickel ions contained in the wastewater are reduced to nickel metal on the at least one cathode; and a hydroxide inhibition step is performed to add boric acid to the junction of the at least one cathode and the wastewater to reduce the rate of generation of the hydroxide. 如申請專利範圍第1項所述之廢水處理方法，更包含一酸鹼值控制步驟，以加入一酸劑來使該廢水處於酸性狀態。The wastewater treatment method according to claim 1, further comprising a pH control step to add an acid agent to make the wastewater acidic. 如申請專利範圍第2項所述之廢水處理方法，其中該酸鹼值控制步驟係將該廢水的酸鹼值控制在2.4至2.8之間。The wastewater treatment method according to claim 2, wherein the pH control step controls the pH of the wastewater to be between 2.4 and 2.8. 如申請專利範圍第1項所述之廢水處理方法，其中該氫氧化物為氫氧化鎳。The wastewater treatment method according to claim 1, wherein the hydroxide is nickel hydroxide. 如申請專利範圍第1項所述之廢水處理方法，其中該硼酸之濃度係介於0.125~4克/升之間。The wastewater treatment method according to claim 1, wherein the concentration of the boric acid is between 0.125 and 4 g/l.
TW099145290A 2010-12-22 2010-12-22 Wastewater treatment method for using boric acid to treat wasteweater containing nickel TWI455892B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW099145290A TWI455892B (en) 2010-12-22 2010-12-22 Wastewater treatment method for using boric acid to treat wasteweater containing nickel

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Application Number Priority Date Filing Date Title
TW099145290A TWI455892B (en) 2010-12-22 2010-12-22 Wastewater treatment method for using boric acid to treat wasteweater containing nickel

Publications (2)

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TW201226331A TW201226331A (en) 2012-07-01
TWI455892B true TWI455892B (en) 2014-10-11

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423309B (en) * 2008-05-07 2010-10-13 厦门市闽发实业有限公司 Electroplating waste water and heavy metal double recovery method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423309B (en) * 2008-05-07 2010-10-13 厦门市闽发实业有限公司 Electroplating waste water and heavy metal double recovery method

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