Labarai da Jarida

1. MeneneTakarda Dutse?

An yi takarda dutse da albarkatun ma'adinai na farar ƙasa tare da babban tanadi da rarrabawa a matsayin babban kayan albarkatun kasa (abincin calcium carbonate shine 70-80%) da polymer azaman kayan taimako (abun ciki shine 20-30%). Ta hanyar amfani da ka'idar sinadarai na ƙirar polymer da halaye na gyare-gyare na polymer, ana yin takarda dutse ta hanyar polymer extrusion da fasahar busa bayan aiki na musamman. Samfuran takarda na dutse suna da aikin rubutu iri ɗaya da tasirin bugu kamar takarda fiber na shuka. A lokaci guda kuma, yana da ainihin kaddarorin fakitin filastik.

2. Mahimman siffofi na takarda dutse?

Abubuwan da aka yi da takarda na dutse ciki har da aminci, jiki, da sauran siffofi, da kuma babban fasali shine mai hana ruwa, hana hazo, hana man fetur, kwari, da dai sauransu, kuma a kan abubuwan da ke cikin jiki da juriya na tsaga, juriya na nadawa ya fi takarda takarda itace.

Ba za a yi amfani da bugu na takarda na dutse tare da ma'anar mafi girma ba, har zuwa 2880DPI daidai, ba a rufe saman da fim ba, ba zai sami aikin sinadarai tare da tawada ba, wanda zai guje wa simintin launi ko abin da ya faru na lalata launi.

3. Me yasa muke zaɓar takarda dutse?

a. Amfanin albarkatun kasa. Takardun gargajiya don cinye itace mai yawa, kuma takarda dutse shine mafi yawan albarkatun ma'adinai a cikin ɓawon burodi na calcium carbonate a matsayin babban kayan albarkatun ƙasa, kimanin 80%, kayan polymer - samar da petrochemical na polyethylene (PE) game da 20%. Idan aka shirya fitar da takardan dutse mai nauyin 5400kt na shekara-shekara, za a iya ceton itacen m3 miliyan 8.64 a kowace shekara, daidai da rage sare dazuzzuka na murabba'in kilomita 1010. Bisa tsarin al'ada na amfani da ruwa na 200t a kowace tan na takarda, aikin aikin takarda na dutse na shekara-shekara na tan miliyan 5.4 zai iya ceton tan miliyan 1.08 na albarkatun ruwa a kowace shekara.

b. Amfanin muhalli. Duk tsarin samar da takarda na dutse baya buƙatar ruwa, idan aka kwatanta da yin takarda na gargajiya yana share dafa abinci, wankewa, bleaching da sauran matakan gurɓatawa, da gaske warware sharar masana'antar takarda ta gargajiya. A lokaci guda kuma, ana aika da takarda dutsen da aka sake yin fa'ida zuwa wurin ƙonawa don ƙonawa, wanda ba zai haifar da hayaƙi ba, sauran foda na ma'adinai na inorganic za a iya mayar da su zuwa ƙasa da yanayi.

Yin takarda dutse yana adana albarkatun gandun daji da albarkatun ruwa sosai, kuma yawan makamashin naúrar shine kawai 2/3 na tsarin yin takarda na gargajiya.