Ua hōʻike ʻia ka hopena o ka mokuahi Solid [SSF] no ka mea ʻoi aku ka liʻiliʻi a ʻoi aku paha ka pili o ke kaiāulu i ka hoʻopulapula ʻana i ka pae wai hoʻāno [SLF] i ka hana o nā waiwai i hoʻohui ʻia nā huahana e like me nā enzymes, bio fuel a me nā mea like. Ua hōʻiliʻili ʻia ka pono a me ka demerit o SSF a me SLF. Ua hōʻike ʻia nā microorganism nui i noho i kahi kūlana pivotal i ka hoʻokō ʻana i nā kaʻina SSF kūʻokoʻa. ʻO ke kaʻina hana a me ke ʻano hana o ka bioreactor i koho ʻia i hōʻike ʻia i loko o ka manaʻo o SSF. Ua hōʻike ʻia nā palapala noi o ke kaʻina ma nā ʻoihana ʻē aʻe e like me ka hoʻomehana ʻana o ka ʻoihana, ʻenehana ʻoihana kai a me nā hoʻomehana kai kūlohelohe. Ke nānā nei kēia loiloi i ka hōʻuluʻulu ʻana i ka palapala hoʻolaha i ka kūlana ʻike o kēia manawa ma SSF, ʻo kona mau pono a me nā hemahema e pili ana iā SLF a me kā lākou noi.