Deep desulfurization is an advanced technology designed to remove sulfur from everything. Taking petroleum products as a starting point (the most common source), the principle of deep desulfurization is to greatly reduce the fossil infusions of oil to meet strict environmental standards. It will erase all traces in anyway necessary to remove them; this way they do not form acid rain. The technological features of this process include using oxidation, catalysis and absorption to change sulfide in its oxidized form, which is then easily taken out. Applications span across various industries like power generation, shipping and refining, all of which need to reduce their sulfur emissions decidedly. The process consists of many steps like this: pretreatment for fuel, desulfurarization itself, and aftertreatment to rid of any byprOduct--this leaves an output fuel without a trace! It is easy to invision that with just such a process wecan do away with acid rainclouds and even effectively "wring" sulfur out offuel oil for all time.