The volume of hazardous and noxious substance via ocean transportations has been increased continuously and the number of chemical complexes, whose size each is getting large, have been increased as well by geometrical progression. Internationally, the agreement (protocol) of OPRC HNS was adopted by IMO (International Marine Organization) in London, U. K in May 2000 and since then Korean government (MOMAF and KCG) has prepared for its execution in terms of practical affairs in line with the agreement of OPRC HNS. The numerous accidents and risks due to oil and HNS have occurred continuously at vessels and offshore facilities and they are expected to create tremendous amount of damage of human lives, assets and marine environment. In this study, we would like to preserve our marine environment when any pollution (HNS) accident happens by inventing HNS gel pack absorbent which can be used as a pollution prevention substance and by evaluating the capacity and efficiency for the HNS gel pack absorbent.