Автор: Mohammed Nsaif Abbas und Firas Saeed Abbas Название: Rice Husk as a Biosorbent ISBN: 3659504483 ISBN-13(EAN): 9783659504488 Издательство: LAP LAMBERT Academic Publishing Рейтинг: Цена: 12085.00 р. Наличие на складе: Нет в наличии.
Описание: Water is the most valuable substance found on our planet. Many agricultural, industrial, health and other activities depend on it. In other words, water is the source of life. With the continuous development, various fields will consume huge amounts of chemicals and poses hazardous waste to the water. The most dangerous residues are the toxic metals. Toxic metals are cast to the water due to different actions and posed a worldwide problem because its do not degrade into harmless products. So, it can cause bad effect to human and other organisms. Many researchers get it that adsorption is the most effective process to remove toxic metals with the common adsorbent “activated carbon”, but due to its high cost, low adsorbents have been investigated to provide an alternative. This book is aiming to solve the problem by using rice husk as a biosorbent to remove toxic metal from water and try to discard of residue through benefit, economic and eco-friendly methods. This book subtracts for searchers and industrialists especially chemical and environmental engineers or anyone interested in water treatment and exploitation from waste.
Автор: Saeed, Aisha Название: Amal Unbound ISBN: 0399544690 ISBN-13(EAN): 9780399544699 Издательство: Random House (USA) Рейтинг: Цена: 827.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: A New York Times Bestseller Amal has big dreams, until a nightmarish encounter . . . Twelve-year-old Amal's dream of becoming a teacher one day is dashed in an instant when she accidentally insults a member of her Pakistani village's ruling family. As punishment for her behavior, she is forced to leave her heartbroken family behind and go work at their estate. Amal is distraught but has faced setbacks before. So she summons her courage and begins navigating the complex rules of life as a servant, with all its attendant jealousies and pecking-order woes. Most troubling, though, is Amal's increasing awareness of the deadly measures the Khan family will go to in order to stay in control. It's clear that their hold over her village will never loosen as long as everyone is too afraid to challenge them--so if Amal is to have any chance of ensuring her loved ones' safety and winning back her freedom, she must find a way to work with the other servants to make it happen.
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