8 articles in this issue
Leta Deressa Tolesa,Ming-Jer Lee
The dependency of chemical industry on nonrenewable sources of energy such as petroleum based carbon feedstock is rising dramatically day to day. Nonetheless, global warming caused by greenhouse gas emissions threatens the environment balance and the clim... see more
Mohd Hardyianto Vai Bahrun,Awang Bono,Nur Kamaliyah Dzilrazman,Zykamilia Kamin
Carotene and tocopherol are valuable products that exist as minor compounds in palm oil and mostly extracted out during many stages of palm oil processing. Hence, most of it ended up in wastewater or palm oil mill effluent (POME). Fortunately, adsorption ... see more
Hendriyana Hendriyana
Rice husk is the waste from agriculture industries that has high potential to produce heat and electricity through the gasification process. Air suction mode is new development for updraft rice husk gasification, where blower are placed at output of gasif... see more
Masturi Masturi,Dante Alighiri,Pratiwi Dwijananti,Rahmat Doni Widodo,Saraswati Putri Budiyanto,Apriliana Drastisianti
Bioethanol is an alternative energy of environmentally friendly as a substitute for petroleum. Sucrose, starch, and fibrous cellulose (lignocellulose) are the main ingredients for bioethanol production. The material is very easy and abundant to get from t... see more
Paramita Jaya Ratri,Meri Ayurini,Khabib Khumaini,Azka Rohbiya
As a tropical country which has abundant of spices, Indonesia is challenged to increase the economic values of spices commodity in raw material form (wet or dry). One way to raise the economic values of these commodities is by modifying into its derivativ... see more
Kiagus Ahmad Roni,Zahrul Mufrodi,Imam Mustakim
The type of plastic waste that is often a problem in many cities in Indonesia is Polyethylene Terephthalate (PET), his is due to the plastic waste plastic waste bags has no longer economic value. One of the goals of plastic waste processing is usng it as ... see more
Endang Suhendi,Pipiet P.U. Naibaho,Eka R. Fauzan,Teguh Kurniawan
Palm kernel shell (PKS) is one of the biomass with high potential that can be converted into chemicals. In this study, palm kernel shell (PKS) was converted by pyrolysis method to produce condensed liquid products, gas, and solid. The purpose of this stud... see more
Mochammad Chaerul,Afifah Fakhrunnisa
Due to its calorific value, wastes could be treated into Refuse Derived Fuel (RDF) through several processes. In order to get higher calorific value, moisture content in the wastes could be removed by utilizing the heat generated from decomposition of org... see more