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All Journal Indonesian Journal of Chemistry Jurnal Teknik Kimia dan Lingkungan
Budi Santoso
Department Of Chemical Engineering, Faculty Of Engineering, Sriwijaya University, Inderalaya, Palembang 30662, Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Materials Science & Nanotechnology

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PREPARATION AND CATALYTIC ACTIVITY FOR ISOPROPYL BENZENE CRACKING OF Co, Mo AND Co/Mo-Al2O3-PILLARED MONTMORILLONITE CATALYSTS Hasanudin Hasanudin; Karna Wijaya; Budi Santoso
Indonesian Journal of Chemistry Vol 9, No 2 (2009)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (635.727 KB) | DOI: 10.22146/ijc.21528

Abstract

It has been prepared Co, Mo and Co/Mo-Al2O3-pillared montmorillonite catalysts using montmorillonite clay  as raw material. The structure and porosity of the catalysts were determined using N2 adsorption-desorption and FT-IR spectroscopy analysis methods. Isopropyl benzene cracking using these catalysts were used to test the catalytic activity and performance of Co, Mo and Co/Mo-Al2O3-pillared montmorillonites.  Characterization results showed that pillarization resulted in the increase of the total pore volume and specific surface area of the clay. Meanwhile, transition metals (Co, Mo and Co/Mo) loaded on Al2O3-pillared monmorillonites could increase the catalytic activity of the catalysts for isopropyl benzene cracking significantly.
Valorization of Waste Cooking Oil into Liquid Organic Fertilizer by Anaerobic Fermentation Method Budi Santoso; Arista Putri Permatasari; Sisilia Pratama; Prahady Susmanto; R.R. Yunita Bayu Ningsih
Jurnal Teknik Kimia dan Lingkungan Vol. 7 No. 1 (2023): April 2023
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.679 KB) | DOI: 10.33795/jtkl.v7i1.356

Abstract

Liquid organic fertilizer is a type of fertilizer that has a liquid form with a brownish color and is commonly used in agriculture as a supporting material for the main fertilizer. Liquid organic fertilizer can be produced through the fermentation process of organic matter, such as plant residues, animal or human waste, and organic waste so that it will not damage the environment. The manufacture of liquid organic fertilizer in this study uses waste cooking oil as raw material which will be fermented anaerobically for 21 days with the use of EM4 activator volume of 10 mL and 50 mL. This study was conducted to determine how much potential used cooking oil waste can be converted into liquid organic fertilizer. The results showed that the best concentration of nitrogen, phosphorus, potassium, and carbon organic in liquid organic fertilizer was obtained at 10 mL volume of EM4 activator. The best nitrogen concentration is 0.520 ppm, the best phosphorus concentration is 12.213 ppm, the best potassium concentration is 12013.825 ppm, and the best organic carbon concentration is 2.10%.
Co-Authors Arista Putri Permatasari Hasanudin Hasanudin Karna Wijaya R.R. Yunita Bayu Ningsih Sisilia Pratama Susmanto, Prahady