盐酸活化剂对 PET 吸附剂降低洗衣废弃物中磷酸盐含量的影响

Lutfi Wahidatur Rizky, Iskandar Zulkarnain, Ismadi Raharjo, Y. R. Wulandari
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摘要

摘要塑料垃圾是无法分解的废物,因此会对环境造成严重问题。据国家废物管理信息系统(SIPSN)报告,2020 年塑料废物占废物收集总量的 17.2%。有几种塑料在熔炉中加热后可以变成多孔木炭,从而可以用作洗衣业废液的吸附剂。含有过量磷酸盐的洗衣液废物会破坏环境,如富营养化。本研究旨在确定 HCL 活化剂对聚对苯二甲酸乙二酯(PET)塑料瓶废碳的影响,以降低洗衣液废物中的磷酸盐含量。本研究使用不同浓度的盐酸作为碳活化剂,即 1M、5M 和 10M。将活性炭加入洗衣液中,以每分钟 100 转的速度搅拌。使用分光光度计对吸附过程前后洗衣液中的磷酸盐含量进行分析,并对使用 10M HCL 作为活化剂的活性炭进行 BET(布鲁纳-艾美特-泰勒)分析。浓度为 10 M HCL 的活性炭表面积为 203.1222 m2/g,粒径为 29.53 nm,磷酸盐含量的降幅最大,达到 52.87%。使用 10 M 活性剂的活性炭的吸附容量为 0.1499 mg/g
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The Effect of HCl Activator on PET Adsorbent to Reduce Phosphate Content in Laundry Waste
Abstract. Plastic waste is waste that cannot be decomposed so it will cause serious problems to the environment. The National Waste Management Information System (SIPSN) reported that in 2020 plastic waste was found to be 17.2% of the total waste collected. Several types of plastic can become porous charcoal through the heating process in a furnace so that it can be used as an adsorbent for liquid waste from the laundry industry. Laundry liquid waste containing excess phosphate will disrupt the environment such as eutrophication. This research aims to determine the effect of the HCL activator on carbon from polyethylene terephthalate (PET) plastic bottle waste to reduce phosphate levels in liquid laundry waste. This research uses varying concentrations of HCl as a carbon activator, namely 1M, 5M, and 10M. The activated carbon is added to the liquid laundry waste and stirred at a speed of 100 rpm. Phosphate content analysis was carried out using a spectrophotometer in liquid laundry waste before and after the adsorption process and BET (Brunauer-Emmet-Teller) analysis on activated carbon with activator HCL 10 M. The greatest decrease in phosphate levels was 10 M HCL concentration of 52.87%, with a carbon surface area of 203.1222 m2/g and a particle size of 29.53 nm. The adsorption capacity of activated carbon with a 10 M activator is 0.1499 mg/g
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