Nkọwa:

A na-etinye ọkpọkọ ígwè ọrụ utoojoo maka pipeline na gburugburu ebe na-emebi emebi.

Ọ ga-eme ka ntapu nke mmanụ na gas pipeline, ụfọdụ ọbụna gbawara.Pipe corrosion nwere nnukwu ihe egwu maka nchekwa onwe onye na mmetọ gburugburu ebe obibi, ya mere mmepụta nke ọkpọkọ ọrụ utoojoo dị mkpa.

Ọkụ ọrụ utoojoo a na-ejikarị na gburugburu H2S.Ọ bụ ezie na H2S bụ kemịkalụ na-emerụ ahụ nke na-adịkarị mfe ịmepụta corrosion.

Mgbe nrụgide akụkụ nke H2S ruru 300 pa, eriri ahịrị eji eme ihe ga-enwe arụmọrụ corrosion mgbochi acid.

Otu esi eme ọkpọkọ ọrụ utoojoo:

API Spec 5L, nchara pipeline ejiri maka ọkpọkọ ọrụ utoojoo bụ nchara egbuchachara ọcha.

A ga-amata na, ịdị ọcha dị elu nke ígwè nwere ike ikwe nkwa S, P na adịghị ọcha ndị ọzọ.

Ụkpụrụ maka njikwa na nyocha nke ntinye ntinye nke pipeline ígwè maka ọkpọkọ ọrụ utoojoo a chọrọ n'ihi na a na-ebu ụzọ kpebisie ike na mgbawa hydrogen kpatara site na nsonye.

Njirimara kemịkalụ:

Ọdịnaya nke C, P, S na carbon Ẹkot ke kemịkal mejupụtara nke utoojoo ọrụ ọkpọkọ bụ dịtụ ala karịa nkịtị ọkpọkọ, na a nlezianya akara chọrọ.

Karịsịa maka ọdịnaya S, ọ bụ ihe na-emerụ ahụ nke ukwuu na gburugburu corrosion, yabụ maka ọkpọkọ ọrụ utoojoo kwesịrị ijikwa S kacha 0.002.