Since the human consumption of coal is increasingly growing and coal-based solid wastes
are discharged in large quantities, the resource utilization of coal-based solid wastes has …

Various studies were reported for the evaluation of the adsorption performance of kaolin clay
using single dye types. This paper aimed to evaluate the comparative adsorption capacity of …

Indonesia has abundant mineral resources used as natural adsorbent materials for the
absorption of heavy metal. Among these are natural zeolites, clay, and ashes. These natural …

Using fly ash to synthesize zeolite molecular sieves can improve the reuse value of coal fly
ash resources, reduce the synthesis cost of the zeolites, and protect the ecology. A novel …

The conversion of kaolin to Zeolite 4A has been carried out for ion exchange, molecular
filtering, and detergent builders. Kaolin conversion can commonly be done through the …

In this study, the effect of pre-roasting on leaching of limonitic laterite ore, obtained from
Sorowako, South Sulawesi, Indonesia was investigated. The products were characterized by …

Cohesion (c) and angle of internal friction (ϕ) are one of the inseparable geotechnical
parameters in the stability analysis of mining slopes. The estimation process is needed in …

The modified ZSM-5 commercial as a filler for the polyethersulfone membrane was
investigated in this work. The modification of ZSM-5 was prepared from aqueous solution …

Pada penelitian ini telah dilakukan sintesis komposit ZSM-5-TiO2-OTMS dengan metode sol
gel dan mengubah sifat hidrofil menjadi hidrofob. Sintesis diawali pembuatan komposit ZSM …

Reaksi transesterifikasi atau disebut juga reaksi alkoholisis merupakan reaksi antara
alkohol dengan ester untuk menghasilkan alkil ester. Tujuan dari proses transesterifikasi …