Kei te hoko wai māori te koloa piki nui. titau Hard keri toka kohuke moni nui o te wai mo te tangohanga o tokahuke. Hei tauira, i roto i Chile, kaihanga parahi nui rawa o te ao,
Coal-fired power plants in the United States generate about 75 million tons of coal ash annually. Compared with the 267 million tons of trash that Americans generate per year, reira
He konumohe te toka parataiao e taunaki ana ki alumina, te pūtake mo te mahi aluminum. It is generally easy to mine because it is found near the surface of the
Hei tawhā i ngā hua ethanol whakakikīa, nunumi rānei, he maha ngā ethanol producers kōwhiria hei arotahi i te uara i waihanga mai i coproducts. Distillers maroke tātaikore me solubles (DDGS) kua roa te whakawāteatanga
Iron ore is the fourth most common element in the Earth’s crust and is generally extracted by way of open-pit mining operations. Recovering high-grade iron ore is a relatively simple
Companhia Vale do Reio Doce (CVRD) ko tētahi o ngā kamupene kari nui rawa o te ao. Te tari i Paratira, He mahi kari tā rātau i roto i 30 ngā whenua o te ao. Rātau
Fly ash is the most mineral residue left over from burning coal by coal-fired power plants. He pozzolanic te rere rere, meaning that it has cementitious properties. It is valuable for
Te ST Taputapu & hangarau LLC (STET) Kei te tano e tano tribo-hiko whitiki whakawehe mō te beneficiating rawa pai
ST Taputapu & hangarau LLC (STET) hangarau whitiki whakawehe tribo-hiko taea hoki te beneficiation o puehu kohuke pai ki te hangarau katoa maroke i te puta nui. Ko te whakawehe STET
pūmua Pulse ko te hunga e haere mai i rēkiumu pērā i pī, tikipī, pi, me momo ngā o pini. Ko ratou he puna pai o te pūmua, He iti i roto i te ngako, tiketike
Because of the COVID-19 pandemic, the ICSOBA (International Committee for Study of Bauxite, Alumina & Aluminum) Annual Conference and Exhibition that was scheduled to be held October 12-16, 2020 i roto i
Ko pono te whakaaro o te kai hauora kahore hou. Kotahi titiro i nga mahi o Normal Rockwell tango tatou hoki ki te ra ina e kohikohi hapu huri noa te hōputu
paru Whero Ko te hua ururua i hanga e te mea e mohiotia rite te Tukanga Bayer, no te whakamahine bauxite ki te whakaputa i alumina (waikura konumohe). Via te tukanga purenga, Ka taea e alumina e
No te tekau tau, Kua ngaio tiaki hauora e ngana ana ki te kukume ratou tūroro ki te tapahi hoki i runga i kai kai whero. Ahakoa koeko kai e whakaatu nga whakaritenga tūtohutia rā mō te
Raima Ko te koloa mahu'inga i roto i te ahumahi hanga. E mea ngāwari ki te hanga motupaika, whakarato ano kounga teitei, ngāwari, me te hua roa e taea te whakamahi i roto i te maha o
