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首頁> 外文學(xué)位 >Adsorption of water contaminants onto kenaf fibers.
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Adsorption of water contaminants onto kenaf fibers.

機(jī)譯：水污染物在洋麻纖維上的吸附。

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In this research, the adsorptive capacities of kenaf in the forms of chopped whole stalk, chopped core, and bast materials were evaluated for the removal of lead, zinc, and toluene from contaminated synthetic waste streams using traditional adsorption isotherm techniques. The effect of surface oxidation using ozone was observed with respect to the adsorption of metals. Hydraulic conductivity experiments were conducted to evaluate the head loss associated with packing a column with kenaf fibers and to determine the suitability of its use in dynamic packed column systems. B.E.T. surface areas were determined as well. Under increasingly stringent regulatory requirements, even low level organic and inorganic contamination (under 100 ppm) in surface and ground waters must be treated. This study is part of an ongoing multi-year research effort aiming to develop a kenaf-based biosorptive process to improve treatment of contaminated aqueous streams at reduced costs and technical complexity.
機(jī)譯：在這項(xiàng)研究中，使用傳統(tǒng)的吸附等溫線技術(shù)評估了洋麻切碎的整個莖，切碎的芯和韌皮材料形式的吸附能力，以從污染的合成廢料中去除鉛，鋅和甲苯。就金屬的吸附而言，觀察到使用臭氧的表面氧化作用。進(jìn)行了水力傳導(dǎo)率實(shí)驗(yàn)，以評估與洋麻纖維填充色譜柱相關(guān)的壓頭損失，并確定其在動態(tài)填充色譜柱系統(tǒng)中的適用性。打賭。還確定表面積。在日益嚴(yán)格的法規(guī)要求下，甚至必須處理地表水和地下水中的低水平有機(jī)和無機(jī)污染物（低于100 ppm）。這項(xiàng)研究是正在進(jìn)行的一項(xiàng)多年研究工作的一部分，該工作旨在開發(fā)基于洋麻的生物吸附工藝，從而以降低的成本和技術(shù)復(fù)雜性來改善對污水流的處理。

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