Nā Hohonu Hana ʻokoʻa o ka Pulp Pepa ʻohe

Wahi a nā hohonu hana like ʻole, hiki ke hoʻokaʻawale ʻia ka pulp pepa ʻohe i kekahi mau ʻāpana, ʻo ia hoʻi ka Unbleached Pulp, Semi-bleached Pulp, Bleached Pulp a me Refined Pulp, a pēlā aku. Ua ʻike ʻia hoʻi ka Unbleached Pulp ʻo ia ka pulp unbleached.

1. Pulp i hoʻokeʻokeʻo ʻole ʻia

ʻO ka pulp pepa ʻohe i hoʻokeʻokeʻo ʻole ʻia, i ʻike ʻia hoʻi ʻo ka pulp i hoʻokeʻokeʻo ʻole ʻia, ʻo ia ka pulp i loaʻa pololei mai ka ʻohe a i ʻole nā ​​​​mea maka fiber mea kanu ʻē aʻe ma hope o ka mālama mua ʻana e nā ʻano kemika a mechanical paha, me ka ʻole o ka hoʻokeʻokeʻo ʻana. Mālama kēia ʻano pulp i ke kala kūlohelohe o ka mea maka, maʻamau mai ka melemele palupalu a i ka ʻeleʻele ʻeleʻele, a loaʻa ka hapa nui o ka lignin a me nā mea ʻē aʻe ʻaʻole cellulose. He haʻahaʻa ke kumukūʻai hana o ka pulp kala kūlohelohe, a hoʻohana nui ʻia ia ma nā kahua ʻaʻole pono ke keʻokeʻo kiʻekiʻe o ka pepa, e like me ka pepa ʻōpala, ka pepa pahu, kahi ʻāpana o ka pepa moʻomeheu a pēlā aku. ʻO kona pono ka mālama ʻana i nā ʻano kūlohelohe o ka mea maka, kahi e kūpono ai i ka hoʻohana mau ʻana i nā kumuwaiwai.

2. Pulp hapa-keʻokeʻo

ʻO ka pulp pepa ʻohe hapa-keʻokeʻo he ʻano pulp ma waena o ka pulp kūlohelohe a me ka pulp i hoʻokeʻokeʻo ʻia. Ke hele nei ia i kahi kaʻina hana hoʻokeʻokeʻo hapa, akā ʻaʻole like ka nui o ka hoʻokeʻokeʻo ʻana me ka pulp i hoʻokeʻokeʻo ʻia, no laila aia ke kala ma waena o ke kala kūlohelohe a me ke keʻokeʻo maʻemaʻe, a hiki nō ke loaʻa kahi leo melemele. Ma ka kaohi ʻana i ka nui o ka bleach a me ka manawa hoʻokeʻokeʻo i ka wā o ka hana ʻana o ka pulp hapa-keʻokeʻo, hiki ke hōʻoia i kahi kekelē o ke keʻokeʻo me ka hoʻemi ʻana i nā kumukūʻai hana a me ka hopena o ke kaiapuni. He kūpono kēia ʻano pulp no nā hanana kahi e loaʻa ai kekahi mau koi no ka keʻokeʻo pepa akā ʻaʻole kiʻekiʻe loa ke keʻokeʻo, e like me kekahi mau ʻano pepa kākau, pepa paʻi, a pēlā aku.

3. Pulp i hoʻokeʻokeʻo ʻia

ʻO ka pulp pepa ʻohe i hoʻokeʻokeʻo ʻia he pulp i hoʻokeʻokeʻo piha ʻia, kokoke kona kala i ke keʻokeʻo maʻemaʻe, kiʻekiʻe ke keʻokeʻo. Hoʻohana pinepine ke kaʻina hana hoʻokeʻokeʻo i nā ʻano kemika, e like me ka hoʻohana ʻana i ka chlorine, hypochlorite, chlorine dioxide a i ʻole hydrogen peroxide a me nā mea hoʻokeʻokeʻo ʻē aʻe, i mea e wehe ai i ka lignin a me nā mea kala ʻē aʻe i loko o ka pulp. Loaʻa i ka pulp i hoʻokeʻokeʻo ʻia ka maʻemaʻe fiber kiʻekiʻe, nā waiwai kino maikaʻi a me ke kūpaʻa kemika, a ʻo ia ka mea maka nui no ka pepa moʻomeheu kiʻekiʻe, ka pepa kūikawā a me ka pepa hale. Ma muli o kona keʻokeʻo kiʻekiʻe a me ka hana hana maikaʻi loa, noho ka pulp i hoʻokeʻokeʻo ʻia i kahi kūlana koʻikoʻi i ka ʻoihana pepa.

4. Pulp pepa i hoʻomaʻemaʻe ʻia

ʻO ka Pulp Hoʻomaʻemaʻe maʻamau e pili ana i ka pulp i loaʻa ma ke kumu o ka pulp i hoʻokeʻokeʻo ʻia, kahi i mālama hou ʻia e nā ʻano kino a kemika paha e hoʻomaikaʻi i ka maʻemaʻe a me nā waiwai fiber o ka pulp. ʻO ke kaʻina hana, e komo pū ana me nā ʻanuʻu e like me ka wili maikaʻi, ka kānana a me ka holoi ʻana, ua hoʻolālā ʻia e wehe i nā fibers maikaʻi, nā haumia a me nā kemika i hana ʻole ʻia mai ka pulp a e hoʻopuehu a palupalu nā fibers, a laila e hoʻomaikaʻi ai i ka laumania, ka ʻālohilohi a me ka ikaika o ka pepa. He kūpono loa ka pulp i hoʻomaʻemaʻe ʻia no ka hana ʻana i nā huahana pepa waiwai nui, e like me ka pepa paʻi kiʻekiʻe, ka pepa kiʻi, ka pepa i uhi ʻia, a me nā mea ʻē aʻe, nona nā koi kiʻekiʻe no ka maikaʻi o ka pepa, ka like ʻana a me ka hiki ke paʻi.