The adsorption ability of rambutan charcoal with the size 100/200 mesh in absorbing
dissolved 70 ppm copper metal ions (Cu (II)) at pH 4.5 have evaluated. The adsorption …

Sugar palm fruit shells (SPFS) are abundant agricultural waste in Indonesia especially in
Aceh. It can be converted into activated carbon for heavy metal adsorption. This objective of …

Coconut husk is categorized as the agriculture waste product that can act as biosorbent
material. In this study, coconut husk was used as an adsorbent to investigate the ability of …

The objective of this study was to characterize the parameter conditions such as optimum
weight, contact time, pH, and concentration of the copper solution upon the absorption of …

The primary goal of this study was to use low-cost adsorbents, this achieves by using pine
cones as plant waste adsorbents in the treatment of industrial wastewater. In the …

Charcoal was produced from rambutan rods. The charcoal was then used as adsorbent to
adsorb copper ion 70 ppm dissolved in solution. The charcoal rambutan has ability to …

Heavy metal discharge with wastewater (WW) is a major environmental concern, widely
discussed today. Heavy metals in WW can be removed by several methods including …

Printed circuit boards (PCBs) are the e-waste generated from the end-of-life electronic
equipment such as laptops and mobile phone. PCBs contain relatively abundant of valuable …

Coconut shell is one of the abundant agricultural solid wastes in Aceh Province. Meanwhile,
a solid waste of coal fly ash is a by-product from PLTU Nagan Raya. Both coconut shell and …

Most of the adsorbent used for used for removal of heavy metal is activated carbon. It is an
expensive material, so that the use of alternative and cheaper adsorbent, which formed as …