The aim of this investigation was to study the impact various reaction parameters on wastewater taken from Al-Wathba water treatment plant Tigris River in south Baghdad, Iraq with sodium hypochlorite solution. studied were dose, contact time, initial fecal coliform bacteria concentration, temperature, and pH. In a batch reactor, different concentrations solution used disinfect 1L water. amount ...

The ash on ignition at 900 ˚C of a A4 copy paper sample UPM New Future Multi was determined to be 15.4%w/w and its X-ray diffraction pattern showed the presence only portlandite syn Ca(OH)2 peaks placed 2θ values 18o, 29o, 34o, 46o, 47o, 51o, 54o, 63o, 72o which corresponded crystal planes 111, 110, 112.