英语翻译成中文,不要工具翻译,专业名词及缩写可以不用翻译,求大神!
推荐回答(4个)
TCLP常被用于判断废水是否有危害或者处理后的废水是否达到陆地排污处理标准。在适中的pH(4.9)或强酸性(pH2.9)条件下,这个实验对金属的潜在可滤性提供了有用的信息。一般情况下,从溶液中提取的金属数量要比那些从酸性更弱的条件下提取的更多。为了测试在处理后的沉底物中金属的潜在可滤性,并评价添加了原位稳定剂的长期稳定性影响,在这次研究中选择了强酸性(pH2.9)溶液。TCLP 实验是用USEPA Method1311进行的。这个实验过程使用了5.7毫升部分冰醋酸(pH 2.97±0.03) 加入500毫升去离子水和64.3毫升1摩尔每升氢氧化钠,稀释到1升。A 100毫升该溶液部分用于从称量5克的沉淀物样品中萃取二价铅离子,二价锌离子,二价铜离子,二价铬离子,和二价镍离子。
毒性特性溶出程序(TCLP)常用来确定是否为危险垃圾或确定处理过的垃圾是够满足土地出来标准。这项测试为在中酸(PH值为4.9)或强酸(PH值为2.9)的环境下,沉淀的金属是否有潜在可滤性提供了有用信息。一般来说,在这种情况下,在溶液获取的金属数量要多于在低酸环境下获得的金属数量。为了测试金属沉积物是否可溶解,和评估对对原液加入添加剂的长期稳定影响,在研究者经常回采用强酸原液(PH值2.9)。进行TCLP测试,通常会使用美国环保局1311测试方法。这个测试使用5.7毫升的冰醋酸(PH值2.97±0.03),加入的500毫升的去离子水中,还需要64.3毫升的1N氢氧化钠,稀释到1升。取100毫升这个溶液,用于从沉底样品中提取Pb2 + Zn2 +,Cu2 + Cd2 +和Ni2 +,每份约重达5克
TCLP常用来确定废物是否有害, 或确定处理后的废物是否符合向土地抛弃的处理标准。这个测试对在中等酸性(pH值4.9)或强酸性(pH值2.9)条件下金属在沉积土壤中的可滤性提供了有用信息。一般来说,溶液中提取金属的含量要大于在低酸性条件下获得的含量。为了测试金属在处理过的沉积物中的可滤性和评估添加剂对原位稳定化的长期稳定效应, 本研究选取的是强酸性溶液(pH值2.9)。采用USEPAMethod 1311来进行TCLP实验。该程序用500毫升的去离子水和64.3毫升1 N氢氧化钠和5.7毫升的冰醋酸溶液(pH值2.97±0.03),将其稀释到1L. 取100毫升的该溶液分别从称重为5 g 沉积物提取Pb2 + Zn2 +,Cu2 + Cd2 +和Ni2 。
毒性特征浸出程序(TCLP)通常用于测定废弃物是否有害或者用来测定已处理废物是否达到可以进行填埋的处理标准。该种测试对沉淀物中的金属在中度酸性(pH 4.9)和强酸性(pH 2.9)条件下的潜在可浸出性提供了有用信息。通常来说,用此种溶液提取的金属的量要高于在更弱酸性条件下可提取的金属量。为了测试经处理过的沉淀物内金属的潜在可浸出性,以及用来评估原地稳定中所用的添加剂的长期稳定效果,本课题采用了(pH 2.9)的强酸溶液。TCLP的测试过程遵照美国国家环境保护局颁布的方法步骤1311。该步骤将5.7毫升分装的冰醋酸溶于500毫升去离子水中,同时加入64.3毫升的浓度为90%的氢氧化钠溶液,将混合液稀释至1升。将该溶液分装成10个100毫升的单位,每一单位的溶液用于从沉淀物样品中提取Pb2+, Zn2+, Cu2+, Cd2+ 和 Ni2+,每一样称取5克。
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