活化的椰子壳木炭废水锅炉作为Cd、铜和Pb的金属吸收材料

D. P. Silaban
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引用次数: 2

摘要

摘要研究了如何从椰子壳碳废水锅炉废水中提取活性碳。活跃的碳是通过脱水在电炉中形成的,在一小时内达到400摄氏度的高炉碳化,然后化学激活是通过将木炭浸泡在Na 2 CO 3 5% (b/b)溶液中进行的。然后,活性碳在600摄氏度的温度下被物理激活1小时,经过精炼并过滤,直到它通过过滤器。捕获的活化碳符合SNI技术主动炭的质量要求06-3730-1995,在升温950摄氏度时损失的部分参数= 18%,含水率= 4.4%,含水率= 2.6%,I = 825 mg/g。活性炭对金属的吸收然后做测试的有效性,Cu、Pb和Cd时间的增加成正比接触的有效吸收金属接触时间跨度15、30、45、60分钟和增加对金属吸收Cd的有效性,它的浓度成反比,Cu浓度5年,10年,20个Pb和40ppm。研究还发现,活性炭对Cd、Cu和Pb的活化作用不同。非法生产的碳化外壳制冷机浪费在商业制冷厂。在第一个舞台上,椰壳炭在一个小时的电炉后,在碳蒸后的400小时内发酵,然后通过在Na 2 CO 3 5% (w/w)解决方案进行化学反应。下一个阶段的查理是物理激活的在一个小时内,被28个月的时间污染和过滤。我们当时捕获的碳被捕获,并与印度尼西亚国家标准标准(SNI)协调协调的碳数量,950 C = 18%,净水= 4%,ash满足= 2.6%,I = 825 mg/g。碳对Cd、Cu和Pb冶金还进行了测试。正如所建议的,我们确定了与时间(15、30、45和60分钟)同步的碳与时间同步的影响(5、10、20、40 ppm)。在这项研究中,我们发现对Cd、Cu和Pb元金属的作用有不同的层次。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
KARBON AKTIF DARI ARANG TEMPURUNG KELAPA LIMBAH MESIN BOILER SEBAGAI BAHAN PENYERAP LOGAM Cd, Cu dan Pb
ABSTRAK Telah dilakukan penelitian tentang pembuatan Karbon aktif dari arang tempurung kelapa limbah bahan bakar mesin boiler. Karbon aktif dibuat dengan tahapan dehidrasi pada oven listrik, karbonasi pada tanur listrik di suhu pada suhu 400 o C selama 1 jam lalu aktivasi kimia dilakukan dengan merendam arang pada larutan Na 2 CO 3 5% (b/b) selama 24 jam. Kemudian karbon aktif di aktivasi secara fisika pada suhu 600 o C selama 1 jam, dihaluskan dan disaring sampai lolos ayakan 28 mesh. Karbon aktif yang diperoleh memenuhi SNI Syarat Mutu Arang Aktif Teknis No. 06-3730-1995 dengan parameter bagian yang hilang pada pemanasan 950 o C = 18%, kadar air = 4,4%, kadar abu = 2,6% dan daya serap terhadap I 2 = 825 mg/g. Lalu dilakukan uji efektifitas penyerapan karbon aktif terhadap logam Cd, Cu dan Pb dan didapat bahwa peningkatan waktu kontak berbanding lurus dengan efektifitas penyerapan logam dengan rentang waktu kontak 15, 30, 45 dan 60 menit dan peningkatan konsentrasi berbanding terbalik terhadap efektifitas penyerapan logam Cd, Cu dan Pb pada konsentrasi 5, 10, 20 dan 40ppm. Dalam penelitian juga diketahui bahwa efektifitas penyerapan karbon aktif terhadap logam Cd, Cu dan Pb memiliki tingkat yang berbeda. ABSTRACT Activated carbon made of coconut shell charcoal from boiler machine waste in desiccated coconut factory has been studied. For the first stage, coconut shell charcoal was dehydrated in electric oven afterward carbonated in electric furnace at 400 o C for 1 hour and then chemically activated by soaking the charcoal in Na 2 CO 3 5% (w/w) solutions for 24 hours. For the next stage charcoal was physically activated at 600 o C for 1 hour, milled and filtered by 28 mesh sieve. Activated carbon was then examined and the result complied with Indonesian National Standard (SNI) Quality Requirement of Activated Carbon No. 06-3730-1995, loss of ignition at 950 o C = 18%, water content =4.4%, ash content = 2.6% and adsorption of I 2 = 825 mg/g. Effectivity of activated carbon to adsorb Cd, Cu and Pb metals also tested.  As the result, we obtained that adsorbtion effectivity of activated carbon proportional with time (15, 30, 45 and 60 minutes) and inversely proportional with concentration of metals (5, 10, 20, 40 ppm). In this study, we found that activated carbon had different levels of effectivity to adsorb Cd, Cu and Pb metals in mix solution.
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