Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Siti Syamsiah"'
Publikováno v:
International Journal of Trends in Mathematics Education Research, Vol 5, Iss 3, Pp 299-305 (2022)
The purpose of this study was to find out student errors in solving problems about mathematical literacy. This study uses a qualitative research approach with sampling method is purposive sampling. The study subjects were three students who were take
Externí odkaz:
https://doaj.org/article/3873aa40ec9c45999fe8ba70ab610617
Publikováno v:
Reaktor, Vol 18, Iss 1, Pp 51-56 (2018)
Cocoa Pod Husk (CPH) is the biomass waste from cocoa industry, generated after the digestion process. It accounts for about 70-75% of the cocoa fresh fruit. CPH contains active compounds of alkaloids that are thought to be the inhibitors of the lacti
Externí odkaz:
https://doaj.org/article/44ca2b230d55444e8e924942cbaca1e0
Publikováno v:
Journal of Mechanical Engineering and Sciences, Vol 12, Iss 1, Pp 3515-3528 (2018)
This paper presents an experimental investigation on using mixed culture for immobilization and co-immobilization for hydrogen production. The shape and diameter of the beads were investigated. Hydrogen was produced from 10 g.L-1 glucose in anaerobi
Externí odkaz:
https://doaj.org/article/7da8d452056f43f1a253350eb014da2e
Autor:
Teguh Ariyanto, Rochim Bakti Cahyono, Abby Vente, Stijn Mattheij, Ria Millati, Sarto, Mohammad J. Taherzadeh, Siti Syamsiah
Publikováno v:
International Journal of Technology, Vol 8, Iss 8, Pp 1385-1392 (2017)
Fruit waste is a part of municipal solid waste which is typically disposed of directly to a landfill site. In order to utilize this valuable renewable resource, anaerobic biological processes can be employed to convert fruit waste to biogas. This usa
Externí odkaz:
https://doaj.org/article/d1fc825804ff4afba94d04619655233d
Publikováno v:
Jurnal Manusia dan Lingkungan, Vol 24, Iss 3, Pp 103-115 (2017)
ABSTRAK Sistem pengelolaan sampah perkotaan di Indonesia pada umumnya masih menerapkan metode konvensional. Lain pihak volume sampah terus mengalami peningkatan seiring dengan meningkatnya jumlah penduduk dan pola hidup masyarakat. Hal itu juga terj
Externí odkaz:
https://doaj.org/article/b8bc3e190f9347fa8b779ae0c505670f
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 5, Iss 2, Pp 92-100 (2016)
The use of biomass of microalgae as a feedstock to produce bioethanol is very promising, it is caused by a large amount of carbohydrates contained in microalgae physiology cell. The main obstacle of enzymatic hydrolysis in order to produce bioethanol
Externí odkaz:
https://doaj.org/article/6aaaaaa38abd42948588a756be728c27
Publikováno v:
Reaktor, Vol 16, Iss 1, Pp 1-8 (2016)
Kinetic of hydrolysis of Oil Palm Empty Fruit Bunch (OPEFB) by Solid State Fermentation using Aspergillus niger is studied. Hydrolysis of OPEFB to simple sugars using Aspergillus niger as raw material for other products is a potential alternative of
Externí odkaz:
https://doaj.org/article/0898d4b9c6e14326afd684f10997c60a
Publikováno v:
Jurnal Sains & Teknologi Lingkungan, Vol 8, Iss 1, Pp 10-20 (2016)
Sampah plastik yang dulunya merupakan masalah lingkungan, saat ini dapat diubah menjadi bahan bakar alternatif dengan menggunakan proses daur ulang yang memanfaatkan energi panas yaitu pirolisis. Analisis yang digunakan dalam penelitian ini adalah an
Externí odkaz:
https://doaj.org/article/b69114162d5f467986b4e57332ec1fa5
Publikováno v:
Reaktor, Vol 15, Iss 4, Pp 213-217 (2016)
ENZYMATIC CELL DISRUPTION OF MICROALGAE USING CELLULASE. Micro-algae is one source of potential alternative energy of third generation to be developed as bioethanol raw material. The starch content trapped in Micro-algae cell walls causing the need o
Externí odkaz:
https://doaj.org/article/be85b1e0b5914b6b8e41922501c93c3c
Publikováno v:
Jurnal Sains & Teknologi Lingkungan, Vol 5, Iss 1, Pp 17-26 (2013)
Timbunan sampah pada landfill (TPA) akan mengalami degradasi dan akan menghasilkan cairan (lindi) baik kuantitas maupun kualitasnya. Kuantitas dan kualitas timbulan lindi dari sampah perkotaan akan dipengaruhi oleh beberapa faktor seperti: komposisi
Externí odkaz:
https://doaj.org/article/ba9114ba4b22426587cf175c2d36549e