N'afọ adịbeghị anya,ndị na-emepụta akwụkwọna ndị ọrụ ejiriwo nlezianya na-elebara ọtụtụ akwụkwọ ahụ anya, n'ihi na ihe ka ukwuu nwere mmetụta dị ukwuu na ọnụahịa na arụmọrụ nke ngwaahịa ahụ.Nnukwu nnukwu ihe pụtara na n'otu nha ahụ, a ga-ebelata ibu ihe ndabere, na ọnụ ọgụgụ nke eriri eji eme ihe nwere ike belata iji nweta ego ego;nnukwu nnukwu akwụkwọ nwere ike ịbawanye nkwụsi ike akwụkwọ, na-enye ndị na-ebipụta akwụkwọ aka idowe oke akwụkwọ n'uju na ibe ole na ole, ma nwee ike ịbawanye oghere akwụkwọ, nbipụta, na ibelata ọbara ọgbụgba ink ibipụta.Ya mere, nnukwu ihe dị elu dị oke mkpa maka njikwa ego nke akwụkwọ, arụmọrụ ngwaahịa na agbakwunyere uru nke ngwaahịa.
Gịnị bụ nnukwu-oke?Nke a bụ ihe dị mkpa na-egosi akwụkwọ, nke bụ oke nke ibu ndabere na ọkpụrụkpụ.Nnukwu na-egosi njupụta nke akwụkwọ ahụ, ya bụ, nha nke porosity nke akwụkwọ ahụ.
Ihe ndị bụ isi na-emetụta ọtụtụ akwụkwọ na-agụnye ihe eji eme fiber na-emepụta akwụkwọ, ụdị pulp, ọrụ ịkụ ihe, ihe ndochi, kemịkalụ, ịpị, ihicha, calending, wdg.
Ụdị ihe eji eme ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe nwere mmetụta dị mkpa na nnukwu akwụkwọ.Ihe ndị na-esi ísì ụtọ nwere porosity dị elu na nnukwu akwụkwọ dị elu, ma ọ bụghị nanị na ọ na-ejikọta ya na eriri eriri, kamakwa ọ nwere mmekọrịta dị oke mkpa na ịkụpịa eriri n'oge usoro nhazi akwụkwọ.Ọ na-adabere n'ikpeazụ n'ókè nke ngwepịa na nrụrụ nke eriri.Ya mere, eriri ndị nwere obere dayameta na nnukwu mgbidi siri ike, ọ dịghị mfe ịkụpịa ya, ọ dịkwa mfe ịmepụta nnukwu akwụkwọ.
Ụdị pulp ahụ nwekwara mmetụta dị ukwuu na nnukwu akwụkwọ.N'ikwu okwu n'ozuzu, pulp na-emepụta ihe dị elu> pulp thermomechanical> kraft pulp>ihe mkpofu.Ngwa ngwa dị iche iche nwere nnukwu dị iche iche n'otu pulp, hardwood> softwood.Nkennukwu nnukwunke nnukwu mkpụrụ n'onwe ya enweghị atụ na pulps ndị ọzọ, ya mere, a na-eji pulp na-emepụta ihe dị elu mee ihe n'ọtụtụ ebe iji dochie akụkụ nke kraft hardwood pulp na-acha ọcha na akwụkwọ ọkwa dị elu.Nhọrọ na oke nke ụdị pulp bụ isi ihe na-eme ka usoro mmepụta akwụkwọ dị elu dị ugbu a.Ịtinye mkpụrụ osisi mkpụrụ osisi dị elu iji kwalite nnukwu akwụkwọ ugbu a bụ usoro kachasị dị irè nke igwe igwe na-eji.
Nnukwu bụ ezigbo ihe onwunwe nke akwụkwọ.Nnukwu nnukwuakwụkwọ nwere ike idowe isi ike dị mkpa, belata oriri fiber, chekwaa ego pulp, ma melite nnukwu.Ụzọ kachasị ekwe omume ugbu a gụnyere ịgbakwụnye pulp dị elu, nhọrọ pulp na usoro nhazi.Nkwalite na mmepe nke nnukwu mgbakwunye ọhụrụ bụkwa ntụzịaka nyocha dị mkpa.
Oge nzipu: Ọktoba 27-2022