primary recycling 中文意思是什麼
primary recycling
解釋
一次再生-
Innovative and space - saving water and wastewater treatment processes ; including hybrid biological reactor ; nucleated precipitation for heavy metals from industrial wastewater ; two - phase anaerobic system for sulfate - laden waste ; and primary waste treatment improvement by sludge recycling
創新的水與污水處理方法：混合生物反應器;淤泥迴流提高廢物處理效率；厭氧廢水處理;重金屬去除技術之研發。 -
He discussed the disadvantages of primary aluminum production including big energy consumption, polluting gases emission and production of residue. then he introduced the rotary plasma furnace, its recycling process, the utilization of the residual dross, improvement in metal recovery efficiency, and the progress of the experiment
他指出傳統方式下鋁的生產耗能高，工藝產生大量需要填埋的固體殘渣，回收過程中產生的鹽蒸氣還會造成膨脹和腐蝕問題，介紹了ipt研製的等離子熱鋁循環爐工藝，其試點情況和適用范圍。 -
These activities include competitions, recycling days and training programmes that focus on municipal solid waste, recycling, tree protection, environmental awareness in primary schools and environmentally friendly property management
活動的內容包括比賽、廢物回收日及環保訓練計劃；主題圍繞都市固體廢物、循環再造、保護樹木、環保學校及環保物業管理等。 -
Increased recycling of paper, metals, and other reusable materials will further reduce our demands for primary commodities.
由於增加了對紙張、金屬和其它可再次使用物質的循環使用，我們對原料商品的需求將進一步減少。
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