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shaopenghui銀蟲(chóng) (正式寫手)
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[求助]
求英文高手,幫忙修改一下摘要。 已有1人參與
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中文摘要:首次采用xxx為原料制備吸附劑,元素分析、XRD、紅外圖譜綜合鑒定為磁鐵礦-針鐵礦混合相(Magnetite-Goethite Mix phase,MGM),其比表面積為98.3m2/g,平均粒徑為510nm,零電荷點(diǎn)在pH=5.7附近;磷在MGM上的吸附等溫線符合Langmuir方程,其吸附歷時(shí)曲線遵循準(zhǔn)二級(jí)動(dòng)力學(xué)模型,升溫能促進(jìn)磷的吸附;在實(shí)際廢水磷濃度為51.8mg/L、初始溶液pH=2的條件下,當(dāng)MGM投加量為10g/L時(shí),磷的去除率為94.16%。 Abstract: For the first time using xxx to prepare the adsorbent. Magnetite- Goethite Mix phase(MGM) is determined by XRD,FTIR and Elemental analysis for the adsorbent. MGM shows BET surface area of 98.3 m2/g and volume average diameter of 510nm.The point of zero charge is near pH5.7;Phosphorus adsorption isotherms can be well described by Langmuir equation. The time-resolved curves of phosphorus adsorption on MGM follows pseudo-second-order kinetic model. Elevated temperatures can promote phosphorus adsorption. For initial phosphate concentration of 51.8 mg/L and pH value of 2,phosphate removal rate of 94.16% were observed at the dosage of 10 g/L. 求高手修改一下我的英文文摘,先謝謝了哈~ |

新蟲(chóng) (小有名氣)
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