Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Niyar Candra Agustin"'
Publikováno v:
Jurnal Presipitasi, Vol 18, Iss 1, Pp 28-36 (2021)
Biodiesel has become an alternative energy source that continues to be developed. In this research, biodiesel synthesis from tofu dregs oil has been carried out through two stages of the reaction, namely the esterification stage using H2SO4 catalyst
Externí odkaz:
https://doaj.org/article/3f106dd5eef44700967e6a6137078455
Publikováno v:
Jurnal Presipitasi, Vol 17, Iss 1, Pp 44-51 (2020)
Catalyst is one of factor that affect the results of the transesterification reaction. Catalyst has spesific properties that can only be used in certain reaction. In order to carry out the transesterification reaction a suitable catalyst is needed an
Externí odkaz:
https://doaj.org/article/005001d0b9674a01955a481f9f292695
Publikováno v:
Jurnal Presipitasi, Vol 16, Iss 3, Pp 140-151 (2019)
This study aims to prepare iron sand, determine the type of iron oxide, and determine the effect of washing iron sand with sonochemical methods. Iron sand samples were obtained from Jomblom Beach, Kendal Regency. Iron sand was separated using an exte
Externí odkaz:
https://doaj.org/article/b319b9545d044ae7a04b1867b72da7e0
Publikováno v:
METANA. 18:83-92
Besi banyak digunakan pada berbagai bidang seperti konstruksi, industri semen, dan industri baja, sehingga kebutuhan bahan baku besi semakin meningkat. Besi di alam banyak ditemukan pada pasir besi. Pasir besi masih banyak mengandung pengotor sehingg
Publikováno v:
METANA. 18:14-22
Biodiesel telah menjadi sumber energi alternaltif yang terus dikembangkan. Pada penelitian ini telah dilakukan sintesis biodiesel dari minyak ampas tahu menggunakan katalis lempung termodifikasi Kalsium Oksida (CaO) dengan pemanasan microwave untuk m
Publikováno v:
Jurnal Presipitasi, Vol 16, Iss 3, Pp 140-151 (2019)
This study aims to prepare iron sand, determine the type of iron oxide, and determine the effect of washing iron sand with sonochemical methods. Iron sand samples were obtained from Jomblom Beach, Kendal Regency. Iron sand was separated using an exte
Publikováno v:
Neo Teknika. 3
Pengembangan dan pertumbuhan penduduk yang terus meningkat akan meyebabkan kebutuhanakan air bersih meningkat. Dalam rangka memenuhi kebutuhan air bersih yang semakin meningkat, dimana debit sumber air yang mengalami penurunan tiap tahunnya maka PDAM