Chiang Mai Journal of Science

Print ISSN: 0125-2526 | eISSN : 2465-3845

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Electrocoagulation of Some Heavy Metals

Kanlaya Jumpatong and Duang Buddhasukh*
* Author for corresponding; e-mail address: duang@chiangmai.ac.th
Volume: Vol.30 No.1 (APRIL 2003)
Research Article
DOI:
Received: 4 November 2002, Revised: -, Accepted: 3 Febuary 2003, Published: -

Citation: Jumpatong K. and Buddhasukh D., Electrocoagulation of Some Heavy Metals, Chiang Mai Journal of Science, 2003; 30(1): 33-40.

Abstract

 Electrocoagulation method for removal of ions of lead, copper, cobalt, nickel, iron, zinc and chromium in acidic, neutral and basic solutions was studies. The initial concentration of each of these ions in the solution was 1,000 ppm. Aluminium plates were used as electrodes. The DC power source was applied during the 2-hour period to the electrolysis unit containing1 litre of solution with the current and electrical potential of 2.2-6.2 A and 17.5-19.0 V, respectively. Under these conditions, coagulation of lead, copper, cobalt, nickel, iron and zinc ions in the three pH values were lfound to be very effective, with 98.00 - 99.99% coagulation, were not suitable for removal of chromium ion (in the form of chromate) from the solution.

Keywords: electrocoagulation, electrolysis, lead, copper, cobalt, nickel, iron, zinc, chromium

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Application of Polyethylene Glycol and Polymethyl Methacrylate as a Binder for Powder Injection Moulding of Hardmetals
page: 188 - 195

Nutthita Chuankrerkkul, Peter F. Messer and Hywel A. Davies

Vol.35 No.1 (JANUARY 2008)
Research Article View: 868 Download: 245
Surface Structure of Pb-0.5%Ag Anode Used in Zinc Electrowinning
page: 67 - 77

Surassawadee P aliphot [a], T orranin Chairuangsri* [a], Noppadol Y ottawee[b] and Suwit U

Vol.33 No.1 (JANUARY 2006)
Research Article View: 1,359 Download: 246
Adsorption Equilibrium of Zinc Ions from Aqueous Solution by Using Modified Clinoptilolite
page: 56 - 62

Achanai Buasri, Phetcharat Yongbut, Nattawut Chaiyut and Kittiya Phattarasirichot

Vol.35 No.1 (JANUARY 2008)
Research Article View: 1,418 Download: 337
The Underpotential Determination of Lead Using the Laboratory-made Gold Electrode Flow Cell
page: 355 - 369

Prinya Masawat and Saisunee Liawruangrath

Vol.35 No.2 (MAY 2008)
Research Article View: 1,395 Download: 255
Synthesis and Characterizations of Lead Titanate Nano-Sized Powders Prepared via a Rapid Vibro- Milling
page: 399 - 404

Rewadee Wongmaneerung*, Rattikorn Yimnirun and Supon Ananta

Vol.32 No.3 (SEPTEMBER 2005)
Research Article View: 1,333 Download: 257
Use of Natural Clinoptilolite for the Removal of Lead (II) from Wastewater in Batch Experiment
page: 447 - 456

Achanai Buasri, Nattawut Chaiyut, Kittiya Phattarasirichot, Phetcharat Yongbut and Lalita Nammueng

Vol.35 No.3 (SEPTEMBER 2008)
Research Article View: 1,413 Download: 985
Effect of Sintering Conditions on Densification and Dielectric Properties of PZT Ceramics
page: 323 - 329

Rungnapa Tipakontitikul*, Supon Ananta and Rattikorn Yimnirun

Vol.32 No.3 (SEPTEMBER 2005)
Research Article View: 1,319 Download: 266
Seismic Stratigraphy of the Fang Basin, Chiang Mai, Thailand
page: 77 - 82

Rungsun Nuntajun

Vol.36 No.1 (JANUARY 2009)
Research Article View: 1,032 Download: 369
Phase and Chemical Characterization of Perovskite Lead Nickel Niobate Ceramics Fabricated Via a Columbite Precursor Method
page: 69 - 76

Laongnuan Srisombat, Orawan Khamman, Rattikorn Yimnirun, Supon Ananta, and T. Randall Lee Rungsun Nu

Vol.36 No.1 (JANUARY 2009)
Research Article View: 1,367 Download: 401
Lead-Free Piezoelectric Ceramic Based on (Bi 1/2 Na 1/2 )TiO 3-(Bi 1/2 K1/2 )TiO 3-BaTiO 3 Solid Solution
page: 253 - 260

Yuji Hiruma, Y oichi Makiuchi, Rintaro Aoyagi, Hajime Nagata and T adashi T ak enak a*

Vol.32 No.3 (SEPTEMBER 2005)
Research Article View: 1,410 Download: 260
Developing Indicators for Floodplain Wetlands: Managing Water in Agricultural Landscapes
page: 224 - 235

Kim Jenkins, Richard Kingsford, and Darren Ryder

Vol.36 No.2 (MAY 2009)
Short Communication View: 922 Download: 375
Hepatotoxin Biosynthesis and Regulation in Cyanobacteria – the Putative Involvement of Nitrogen and Iron Homeostasis Mechanisms
page: 200 - 223

Hannah P. Ginn, Leanne A. Pearson and Brett A. Neilan

Vol.36 No.2 (MAY 2009)
Short Communication View: 1,002 Download: 254
Effect of Deposition Time Towards the Properties of Nickel Sulfide Thin Films Prepared in the Presence of Sodium Tartrate as a Complexing Agent
page: 121 - 126

Anuar Kassim* [a], Zulkarnain Zainal [a], Saravanan Nagalingam [b] and Zuriyatina Abdullah [a]

Vol.32 No.2 (MAY 2005)
Research Article View: 902 Download: 313
Characterization of Perovskite Lead Iron Niobate Powders Synthesized by Partial Oxalate
page: 71 - 76

Pitak Youmee [a] and Sukon Phanichphant* [b]

Vol.32 No.1 (JANUARY 2005)
Short Communication View: 1,349 Download: 249
Effect of Postweld Heat Treatments on TIG-Welded Microstructures of Superalloy, IN - 738
page: 320 - 330

Panyawat Wangyao, Weerasak Homkrajai, and Seksak Asavavisithchai

Vol.36 No.3 (SEPTEMBER 2009)
Research Article View: 898 Download: 316
Gamma Prime Phase Stability after Long-Term Thermal Exposure in Cast Nickel Based Superalloy, IN-738
page: 312 - 319

Panyawat Wangyao, Nutthida Chuankrerkkul, Sureerat Polsilapa, Ponlit Sopon and Weerasak Homkrajai

Vol.36 No.3 (SEPTEMBER 2009)
Research Article View: 913 Download: 255
Microstructural Restoration by HIP and Heat Treatment Processes in Cast Nickel Based Superalloy, IN-738
page: 287 - 295

Panyawat Wangyao, Gobboon Lothongkum, Viyaporn Krongtong, Weerasak Homkrajai and Nutthita Chuankrerk

Vol.36 No.3 (SEPTEMBER 2009)
Research Article View: 996 Download: 279
Hydrothermal Synthesis of Lead Titanate Fine Powders at Water Boiling Temperature
page: 92 - 98

Chaiyos Chankaew, and Apinpus Rujiwatra

Vol.37 No.1 (JANUARY 2010)
Research Article View: 1,426 Download: 739
Characterization of Nitrate Route Synthesized Lead Zirconate Titanate Powders and Ceramics
page: 129 - 140

Suwimon Nualpralaksana and Sukon Phanichphant*

Vol.29 No.3 (DECEMBER 2002)
Opinion View: 1,326 Download: 312
Determination of Number Density and Volume Fraction of Copper Precipitates Within Proeutectoid Cementite in High-Carbon Copper-Containing Steels Using Transmission Electron Microscopy
page: 31 - 38

Torranin Chairuangsri [a], Rik M. D. Brydson [b], David V. Edmonds [b]

Vol.28 No.1 (JUNE 2001)
Opinion View: 1,080 Download: 816
Determination of Copper by Slurry-Sampling Electro-thermal Atomic Absorption Spectrometry After Pre-concentration on Activated Carbon
page: 65 - 70

Khuanjit Benyatian

Vol.27 No.2 (DECEMBER 2000)
Opinion View: 966 Download: 237
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