Hoʻokaʻawale ʻia nā ʻoihana Pulp a me ka Pepa i ʻelua ʻāpana: pulping a me ka hana pepa. ʻO ke kaʻina hana pulping kahi hana i hoʻokumu ʻia kahi mea waiwai i ka fiber e like me kahi mea i hoʻomākaukau ʻia, ka kuke ʻana, ka holoi ʻana, ka bleaching, a me nā mea like e hana i kahi pulp hiki ke hoʻohana ʻia no ka hana pepa. Ma ke kaʻina hana pepa, ʻo ka slurry i hoʻouna ʻia mai ka ʻoihana pulping e kau ʻia i kahi kaʻina o ka hui ʻana, kahe, kaomi, hoʻomaloʻo, ʻōwili, etc. Eia hou, ho'iho'i ka 'alkali recovery unit i ka wai alkali i loko o ka wai'ona 'ele'ele i ho'oku'u 'ia ma hope o ka pulping no ka ho'ohana hou 'ana. Mālama ka ʻoihana mālama wai ʻino i ka wai ʻōpala ma hope o ka hana pepa e hoʻokō i nā kūlana hoʻokuʻu ʻāina kūpono. ʻO nā kaʻina hana like ʻole o ka hana pepa ma luna aʻe he mea nui i ka mana o ka valve hoʻoponopono.