This research aims to study the effectiveness of each(ferric chloride , ash and coffee dregs) to remove phosphorus from Lattakia Port Laboratories' waste water which is assembled in a separate sewage pit by doing laboratory experiments on water containing high concentrations of phosphorus, whether real wastewater or standard solutions of phosphorus oxide. Where it has been experimenting with ferric chloride at doses as weight average(FeCl3/P = (0-5)) to give effectiveness ratios(70- 80)% with determining the value of the pH-compliant and it was noted re-releasing of phosphorus time after(10-12) hours of the start of precipitation, beside that it has been experimenting with ash as adsorpted agent at doses as weight average(Ash/P = (2-4.5)) to give effectiveness ratio which it had reached to 98% where it was noted re-releasing of phosphorus after 11 hours with determining the pH values of approval for that, As coffee dregs when added in doses)Coffee dreg/P = 3-10) as weight average, it fulfilled proportion removal(40 - 99) % and phosphorus re-released after 24 hours. The outcome of these experiments was to propose the most appropriate economic solution in the case of study.