The effective removal method of copper and cyanide in waste water of metal plating factories
Description
To investigate the effective removal method of cooper and cyanide compounds in metal plating waste water, removal ratio of cooper and cyanide compounds in solution are measured with varying pH, concentration and contact time. As results of the present experiment, cyanide compounds in the solution are removed to 0.03mg/l or less with 5% NaOCl solution. The present result is satisfied to environmental disposal standards. The removal ratio against pH values show 99% over pH8. As results of neutral precipitation method, copper including solution are removed to 99% at pH8 in short time. The removal ratios of cyanide mixed copper solution against pH values show high efficiency(over 95%) at pH8 and 11 and removal ratios are decreased at pH10.(Author)
Additional details
Publishing Information
- Journal Title
- Bulletin of Environmental Sciences, Hanyang University
- Journal Volume
- 9
- Series
- Bull. Environ. Sci., Hanyang Univ.
- Journal Page Range
- 5-11
- CODEN
- HKROD
INIS
- Country of Publication
- Korea, Republic of
- Country of Input or Organization
- Korea, Republic of
- INIS RN
- 20018341
- Subject category
- S58: GEOSCIENCES; S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Descriptors DEI
- COPPER COMPOUNDS; CYANIDES; PRECIPITATION; PURIFICATION; WASTE WATER
- Descriptors DEC
- HYDROGEN COMPOUNDS; LIQUID WASTES; OXYGEN COMPOUNDS; POLAR SOLVENTS; SEPARATION PROCESSES; SOLVENTS; TRANSITION ELEMENT COMPOUNDS; WASTES; WATER