Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Herti Utami"'
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 18, Iss 1, Pp 37-44 (2023)
Biodegradable foam(biofoam) is a type of bioplastic that is used as an alternative packaging to replace styrofoam which is safe and environmentally friendly. This study aims to determine the characteristics of biofoam made from cassava peel starch (A
Externí odkaz:
https://doaj.org/article/727af0d28e9849f6bd358fba02bec5a1
Autor:
Herti Utami, Veni Tri Agustin, Luthfiah Novirianti, Yuli Darni, Donny Lesmana, Ryosuke Takagi
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 16, Iss 2, Pp 100-108 (2021)
The textile industry uses synthetic dyes because they are cheaper and easier to obtain. Moreover, the color availability is guaranteed and more varied. However, these synthetic dyes have a negative impact on health and the environment. The natural dy
Externí odkaz:
https://doaj.org/article/44e4465656c64d2e98db0e8019e47e86
Sodium Hydroxide Treatment for Cellulose Fiber Accessibility from Corncobs under Microwave Assistive
Autor:
Muhammad Hanif, Aknasasia Virginia Krisanti, Selvy Salfitri, Yuli Darni, Herti Utami, Edwin Azwar, Poernomo Gunawan
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 16, Iss 2, Pp 75-83 (2021)
Corncob is abundantly available lignocellulosic biomass resources obtained from crops harvesting and found to be solid waste accumulation on a field. Less corncob is used as a solid fuel for cooking, and a more significant portion is vanished on the
Externí odkaz:
https://doaj.org/article/a0a68545bbd94b6488d76bd98f4c6a47
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 13, Iss 1, Pp 15-23 (2018)
Pada penelitian ini telah disintesis bioplastik dengan penambahan mikrokristalin selulosa dari batang sorgum sebagai pengisi. dengan formulasi pati sorgum-gelatin dan pemplastis gliserol. Formulasi pati sorgum-gelatin yang digunakan yaitu 10:0 ; 9,5:
Externí odkaz:
https://doaj.org/article/bd0f112e591b44f3816ff9945e528789
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 6, Iss 2, Pp 158-167 (2017)
This study aims to compare the characteristics of mechanical and water vapor permeability of edible film based on low pectin methoxyl from cocoa skin with glycerol and sorbitol as plasticizer. In the research also added CaCO3 filler with the weight v
Externí odkaz:
https://doaj.org/article/79eb5a34bf244040b5f0fbfcd84f9c43
Publikováno v:
Reaktor, Vol 13, Iss 4, Pp 248-253 (2012)
KINETIC STUDY OF HETEROGENEOUS HYDRATION OF α-PINENE TO TERPINEOL USING CHLORO ACETIC ACID AS A CATALYST. Indonesian turpentine contains 65-85% α-pinene, 1% camphene, 1-3% β-pinene, 10-18% 3-carene and limonene 1-3%. In order to obtain more valuab
Externí odkaz:
https://doaj.org/article/f55f3fb0dbf84d5ab6dcf580b762c9c8
Autor:
Yuli Darni, Herti Utami
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 7, Iss 2 (2009)
This research investigated the utilization of sorghum starch and chitosan as basic material for preparation of biodegradble plastic. The optimum conditions for the formation of biodegradble plastic and the effect of starch-chitosan formulation on mec
Externí odkaz:
https://doaj.org/article/079247563f734558973534e5827d3b09
Sodium Hydroxide Treatment for Cellulose Fiber Accessibility from Corncobs under Microwave Assistive
Autor:
Edwin Azwar, Muhammad Hanif, Selvy Salfitri, Herti Utami, Poernomo Gunawan, Aknasasia Virginia Krisanti, Yuli Darni
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan. 16:75-83
Corncob is abundantly available lignocellulosic biomass resources obtained from crops harvesting and found to be solid waste accumulation on a field. Less corncob is used as a solid fuel for cooking, and a more significant portion is vanished on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4335b240e6d95d0516400cf231838226
https://doi.org/10.23955/rkl.v16i2.20061
https://doi.org/10.23955/rkl.v16i2.20061
Publikováno v:
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan. 7:32
Pengrajin batik di Bandar Lampung, khususnya di daerah Pinang Jaya, kecamatan Kemiling, terdapat beberapa kelompok UKM batik salah satunya adalah As Syafa Batik yang diketuai oleh Sulastri Oktavia. Hasil penjualan kain batik tulis ini menurun selama
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d9b35bc87ab8df38c0028d5439014e9
https://doi.org/10.23960/jss.v7i1.393
https://doi.org/10.23960/jss.v7i1.393
Publikováno v:
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan. 7:28
Telah dilaksanakan Pengabdian Kepada Masayarakat di Sekolah Alam Lampung yang bertujuan untuk meningkatkan dan mengembangkan usaha pengelolaan sampah plastik agar menghasilkan produk dengan nilai ekonomis lebih tinggi. Dengan rancangan alat pencacah
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::150c86e068cf2cef87899b087974c47f
https://doi.org/10.23960/jss.v7i1.377
https://doi.org/10.23960/jss.v7i1.377