Toxic metals from industrial effluents have been removeremoved by various other techniques such as precipitation, decrease, artificial membranes, and ion exchange, however. However these techniques produce a huge numberamount of waste - for example, sludge, metal rich waste, which is difficult to deposedispose of and therefore, dangerous to the environment.
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פשוט גש לתיבת האימייל שלך, ולחץ על הלינק לאימות, ומייד נתקן עבורך את האיימייל. אם אתה רוצה לתקן עוד אימיילים אז:
או