The use of Anthocephalus cadamba Miq which focuses on the wood makes other parts such as the fruit neglected. The fruit which contains cellulose can be used as a biosorbent in the form of activated charcoal to adsorb mercury ions in waters. The aim of this study was to determine the kinetics model and adsorption isotherm of mercury ion by the fruit biosorbent. Carbonized wind-dried Anthocephal…
Background and Research Objectives: The coast of Tebing Tinggi Island is overgrown with mangroves. This area has very fertile mangroves, so this area is rich in fishery resources, especially shrimp and crabs. So that many local people work as fishermen. At this time, the conditions are quite the opposite, the catch of fishermen from year to year has decreased. This condition is caused by many d…
This writing aims to determine the optimization of the quality of the internet network using a WLAN-based Web Proxy with the scheduling method at SMK Negeri 1 Bandar Sei Kijang, Pelalawan Regency. This writing uses the Action Research method which was carried out in 2021. The measurement of internet network quality refers to the TIPHON standard with QoS parameters consisting of Throughput, Del…
This study is correlational is to determine how much the relationship with one another variable. The population in this study is the star player in the SSB Putra Siak Kecil, sampled were 30 people at Putra SmallStar SSB Siak Kecil using purposive sampling technique that samples were taken by age group, and use the techniques of data analysis product moment correlation. Based on the analysis, th…