中国资源综合利用
中國資源綜閤利用
중국자원종합이용
CHINA RESOURCES COMPREHENSIVE UTILIZATION
2014年
7期
22-25
,共4页
生物质%柿子皮%六价铬%吸附%还原
生物質%柿子皮%六價鉻%吸附%還原
생물질%시자피%륙개락%흡부%환원
biomass%persimmon peel%Cr(Ⅵ)%adsorption%reduction
将柿子皮作为生物吸附剂和还原剂应用于污水处理，试图开发一条生物质废弃物利用和污水治理相结合的新途径。试验探讨了投加量、Cr（Ⅵ）初始浓度、反应时间、溶液pH值等因素对水中Cr（Ⅵ）去除效果的影响。结果表明，柿子皮对水中Cr（Ⅵ）的吸附符合Langmuir等温方程，最大吸附量为476.2 mg/g，大于其它生物质；柿子皮对废水中Cr（Ⅵ）的去除机制包括吸附和还原两个过程，酸性条件下效果较好。
將柿子皮作為生物吸附劑和還原劑應用于汙水處理，試圖開髮一條生物質廢棄物利用和汙水治理相結閤的新途徑。試驗探討瞭投加量、Cr（Ⅵ）初始濃度、反應時間、溶液pH值等因素對水中Cr（Ⅵ）去除效果的影響。結果錶明，柿子皮對水中Cr（Ⅵ）的吸附符閤Langmuir等溫方程，最大吸附量為476.2 mg/g，大于其它生物質；柿子皮對廢水中Cr（Ⅵ）的去除機製包括吸附和還原兩箇過程，痠性條件下效果較好。
장시자피작위생물흡부제화환원제응용우오수처리，시도개발일조생물질폐기물이용화오수치리상결합적신도경。시험탐토료투가량、Cr（Ⅵ）초시농도、반응시간、용액pH치등인소대수중Cr（Ⅵ）거제효과적영향。결과표명，시자피대수중Cr（Ⅵ）적흡부부합Langmuir등온방정，최대흡부량위476.2 mg/g，대우기타생물질；시자피대폐수중Cr（Ⅵ）적거제궤제포괄흡부화환원량개과정，산성조건하효과교호。
In order to develop a new way of combining the utilization of biomass wastes and the sewage treatment, persimmon peel was used as adsorbent and reductant for the treatment of pollutant in water. Effect factors on the removal of Cr(Ⅵ) were investigated, such as dosage of persimmon peel, initial concentration of Cr(Ⅵ), reaction time and pH of solution. Results showed that adsorption of Cr(Ⅵ) in aqueous solutions by the persimmon peel followed Langmuir isotherms. Maximum adsorption capacity was 476.2 mg/g which was higher than other biomass adsorption. The process of Cr(Ⅵ) removal contain adsorption and reduction. Higher removal of Cr (Ⅵ) was achieved at the acid solution. The major mechanism was reduction when solution was in acid condition.
