Akwụkwọ a na-eji na ụlọ ọrụ anyịigbe achịcha,igbe pizzana ndị ọzọigbe nri nria na-emepụta site na teknụzụ kachasị elu nke ịmepụta akwụkwọ, na-enye onye ọbịa ọ bụla ngwaahịa kachasị mma
N'oge usoro eze Han Western (206 BC), China enweelarị ịde akwụkwọ, na n'afọ mbụ nke Yuanxing (105) na Eastern Han Dynasty, Cai Lun kwalitere imepụta akwụkwọ.Ọ na-eji ogbugbo, isi hemp, akwa, ụgbụ azụ na ihe ndị ọzọ na-emepụta akwụkwọ site na usoro nke ịkụ, ịkụ ọkpọ, frying, bred, wdg, nke bụ mmalite nke akwụkwọ ọgbara ọhụrụ.Ụdị akwụkwọ a, ihe eji eme ihe dị mfe ịchọta, ọ dị oke ọnụ ala, àgwà ahụ emewokwa ka ọ dịkwuo mma, a na-eji nwayọọ nwayọọ na-eji ya eme ihe.Iji na-echeta mmezu nke Cai Lun, ọgbọ ndị ọzọ na-akpọ akwụkwọ a "Cai Hou paper".
Akwụkwọ bụ kristal nke ahụmịhe ogologo oge na amamihe nke ndị China na-arụ ọrụ.Akwukwo bu ihe eji eme eriri dika mpempe akwụkwọ eji ede, ibipụta, eserese ma ọ bụ nkwakọ.N'ozuzu, a na-eme ya site na nkwusioru mmiri nke eriri osisi pulped, bụ nke a na-agbanye na ụgbụ, na mbụ mmiri kpọnwụrụ, wee kpoo ya ma kpoo ya.China bụ obodo mbụ n'ụwa mepụtara akwụkwọ.
Nkà na ụzụ nke oge a na-aga n'ihu n'ike n'ike, a haziwokwa usoro imepụta akwụkwọ ọgbara ọhụrụ.
Groundwood Pulp na-eji ike egweri igwe iji nweta eriri osisi, nke a makwaara dị ka pulp igwe, nke enwere ike kewaa n'ime ihe nrụpụta izugbe, pulp igwe a nụchara anụcha, pulp thermomechanical, wdg.
Mkpụrụ ọgwụ kemịkalụ na-eji ụzọ kemịkal kewapụ eriri na lignin iji nweta eriri osisi, nke enwere ike kewaa ya na mmiri soda, pulp sulfite, na sulfate pulp.
Semichemical pulp (Semichemical pulp) Na-ejikọta usoro nhazi na nke kemịkalụ, enwere ike kewaa ya ka ọ bụrụ nke na-anọpụ iche nke ọkara kemịkalụ, pulp soda oyi, ihe nrụpụta kemịkalụ, wdg.
Oge nzipu: Jun-30-2022