mining residueとは 意味・読み方・使い方

Neutral sediment generated in a water treatment stage for acid mining waste water mainly comprising an iron component, an arsenic and/or sulfur component is made into the alkaline one with a sodium hydroxide and potassium hydroxide solution, and is thereafter heated and stirred, and the residue after the elution of the arsenic and/or sulfur in the neutral sediment is utilized for iron refining as a part of the raw material.例文帳に追加

鉄成分と、砒素及び／又は硫黄成分を主に含有する酸性鉱山廃水の水処理工程で発生する中和殿物を、水酸化ナトリウム又は水酸化カリウム溶液でアルカリ性とした後に加熱、攪拌し、前記中和殿物中の砒素や硫黄を溶出した後の残渣を原料の一部として鉄製錬に利用する。 - 特許庁

Sumitomo Corporation, the Japan Oil, Gas and Metals National Corporation (JOGMEC) and the Kazakhstan National Atomic Energy Corporation Kazatomprom (hereafter referred to as Kazatomprom) are undertaking a project focused on recovering rare earths from uranium ore residue that was formerly obtained by strip mining; they have established a joint venture aimed at undertaking a feasibility study, and are verifying the potential profitability of the rare earth recovery project using the existing facilities at the Ulba Metallurgical Plant, which is under the auspices of Kazatomprom.例文帳に追加

住友商事(株)、(独)石油天然ガス・金属鉱物資源機構(JOGMEC)、カザフスタン国営原子力公社カザトムプロム(以下「カザトムプロム」という。)は、かつて露天掘りで採掘されたウラン鉱石残渣からのレアアース回収事業を進めており、FS調査を目的とした合弁会社を設立し、カザトムプロム傘下のウルバ冶金工場の既存設備を活用したレアアース回収事業の事業採算性を検証している。 - 経済産業省