11. The main bio sources are bark from lumber and recycled slam from the decontamination processes from process water . 12. It was one of the first engines with the ability to realistically process water and other materials in real-time. 13. Potassium alum has been used at least since Roman times for purification of drinking water and industrial process water . 14. The treatment of process water created a sludge that was stored onsite in drying beds and in surface impoundments. 15. This would need 4.5 million imperial gallons ( 20 Ml; 5.4M US gal ) of process water per day. 16. The facility was established in 1967 and processes water in three stages before releasing it into the Albert River. 17. Applications suitable for Sepro Pumps include mill discharge, mineral concentrate, dense media, coarse / fine tailings, process water and aggregates. 18. Process water is taken from the St . Clair River and processed in on onsite treatment plant before being returned.19. The heat can be used to power building systems ( such as heat process water ) or to produce energy. 20. Radiologically contaminated process water had contaminated the drinking water supply and some workers drank and washed in the contaminated water.