METHOD FOR MANUFACTURING REMOVING AGENT OF ULVA PERTUSA OF LAVER FARMING FIELD UISNG CRAB SHEEL AND CLAM SHELL

摘要

PURPOSE: A removing agent of Ulva pertusa using crab shell and clam shell is provided to safely use for fishermens and to minimize environmental pollution. CONSTITUTION: A method for manufacturing a removing agent of green algae in a laver farming field using clam shell and crab shell comprises: a step of precipitating crab shell and clam shell in a solution containing hydrochloric acid and acetic acid in the water and washing; a step of pulverizing the shells to obtain powder; a step of adding the powder to the acetic acid solution; a step of stirring for 10 hours to obtain an acetic acid composition; a step of adding acetic acid composition solution into the water at 90°C and dissolving for 1 hour; a step of mixing organic acid(hydrochloric acid, sulfuric acid and nitric acid) and ammonium chloride in the water; a step of dissolving acetic acid and oxalic acid to obtain an acid composition; a step of dissolving the composition solution in the organic/inorganic composition to obtain acid solution composition; and a step of dissolving chitosan solution in the organic/inorganic solution.