Activated carbon (AC) as a promising gas adsorbent has been widely used in various applications. One of the raw materials that can be utilized is palm shell waste. Palm shell has great potential in terms of quantity and composition as raw material for AC. Palm shell waste production in Indonesia is classified as high and increasing every year. The high amount of carbon and low ash in the palm shell can produce good porous carbon. In this study, The Palm shell was processed through preparation, carbonization, and activation. After being dried and reduced in size, the palm shell was immersed in phosphoric acid (H₃PO₄) for 24 hours and continued with carbonization at 350C for 30 minutes. Then, it was second chemically activated by H₃PO₄ with activator mass variations and physically activated by N₂ gas at 600C for 1 hour. AC with the best characteristics was produced by a mass ratio of 2:1 in the second chemical activation. The iodine number and surface area obtained are 1164 mg/g and 1158 m²/g. Furthermore, Pores have formed perfectly on the surface of carbon and the carbon content of AC has reached 76.9%.

活性炭（AC）作为一种很有前途的气体吸附剂，已被广泛应用于各种应用中。可以利用的原材料之一是棕榈壳废料。棕榈壳作为活性炭的原料在数量和成分方面具有很大的潜力。印度尼西亚的棕榈壳废料产量很高，而且每年都在增加。棕榈壳中的高碳量和低灰分可以产生良好的多孔碳。在这项研究中，棕榈壳经过制备、碳化和活化处理。干燥并缩小尺寸后，将棕榈壳浸入磷酸(H ₃ PO ₄ )中24小时，并在350℃下继续碳化30分钟。然后，它被 H ₃ PO ₄二次化学活化具有活化剂质量变化并在 600C 下用 N ₂气物理活化1 小时。在第二次化学活化中以2:1的质量比产生具有最佳特性的AC。得到的碘值和表面积为1164mg/g和1158m ² /g。此外，在碳表面形成了完美的孔隙，AC的碳含量达到了76.9%。