Strengths - Simple technology - High efficiency in removing charged suspended and dissolved particles. - Low cost - Removes solids and improves filtration. | Weaknesses - The infrastructure costs and pharmacy costs were high, meanwhile, it is noted that use of flocculants can result in secondary pollution [62] - Continuous input of chemicals required. - Skilled operators required. |
Threats - waste maybe toxic if contains heavy metals | Opportunities - Specific components can be removed. |