Sumažinti Raudonojo šlamo kartos per sausas išankstinio apdorojimo boksitas
Iš: septech_admin | Patalpinau: Naujienos | Trečiadienis, Gali 1, 2019 - 6:55EsuRed mud is the waste product generated by what is known as the Bayer Process when refining bauxite to produce alumina (aluminum oxide). Via a purification process, alumina can be
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