Waste water quality standard is established for waste water discharged from factory or manufacturing sites. In case of effluent into public waters (rivers, lakes, etc), it is regulated by Water Pollution Prevention Act, and the act has effluent standards which are “effluent standard about Harmful Substances” and “effluent standard about living conditions”. Also, effluent into … Continue reading Types of waste water treatment / sludge drying, slurry drying, waste drying