industrial wastewater treatment system with flowing sediment and equipment

acid aerated asia basin bridge building built business chemical circle cleaning colored configuration construction contamination cycle danger dangerous dirty disinfection drainage engineering environment environmental equipment factory filtration flow flowing foundation hydrotechnology impurity industrial industry issues machine machinery outdoor overflowing pipe pipeline plant pollution protection purified purity rapid reaction reagent recycle recycled recycling running rust rusty sediment sedimentation sewage sewer silt splash storage stream structure surface sustainable tank technology tower treatment tube walkway wastage waste wastewater wastwater water watering yellow