Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Prima Astuti Hand"'
Publikováno v:
Sainteknol, Vol 14, Iss 1, Pp 81-87 (2016)
Carbon was prepared from dried waste bamboo (Dendrocalamus asper) using chemical activation with KOH. The carbon was prepared with the activating agent in a mass ratio of KOH and dried bamboo (3:1) at 800oC. Using impregnation technique, the bamboo-b
Externí odkaz:
https://doaj.org/article/eee4ae6227364e1c8f0d52a1afbce0a0
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 11, Iss 1, Pp 08-16 (2022)
Palm sugar is used as a natural sweetener that is added to food and beverages. The nutritional content in palm sugar can be enriched with the addition of antioxidants derived from red ginger (Zingiber officinale var. rubrum). The antioxidant activity
Externí odkaz:
https://doaj.org/article/af1f69833ba4412480d756da82813289
Autor:
Dhoni Hartanto, Prima Astuti Handayani, Akhmad Sutrisno, Viona Widya Anugrahani, Asalil Mustain, Ianatul Khoiroh
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 8, Iss 2, Pp 133-143 (2019)
Isopropyl alcohol is widely used as industrial chemical intermediates and common solvents in households, pharmaceuticals, food, cosmetics, and medical purposes. The high purity of isopropyl alcohol requires special separation from its impurity i.e. w
Externí odkaz:
https://doaj.org/article/73040e6f6720439d9f46ccad110d06ab
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 8, Iss 1, Pp 8-13 (2019)
Untreated wastewater of Batik industry can pollute the environment because it contains metal compound, COD, BOD, which are higher than the allowable values. Therefore, a treatment of this wastewater prior discharging to water stream (i.e. river) is v
Externí odkaz:
https://doaj.org/article/ad27d14c146b4de29c85902f05dbaaef
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 7, Iss 1, Pp 59-63 (2018)
Nyamplung (Calophyllum inophyllum) oil contains high free fatty acid (FFA) that is 21.62%. Nyamplung oil can be utilized as raw material for biodiesel production. Microwave is a method of heating that is used intensively to speed up the production pr
Externí odkaz:
https://doaj.org/article/ee9b6ec1647a4da3a19a6d8bbe0adf8b
Publikováno v:
Rekayasa, Vol 15, Iss 2, Pp 96-102 (2018)
Hasil panen jagung di Desa Kejawan Kecamatan Tegowanu Kabupaten Grobogan Purwodadi belum dapat memanfaatkan secara maksimal. Jagung hasil panen dalam bentuk pripilan kering dijual kepada tengkulak dengan harga relatif rendah. Masyarakat Desa Kejawan
Externí odkaz:
https://doaj.org/article/c4f752ed22444db5a404bf1dd6e035f7
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 6, Iss 2, Pp 190-197 (2017)
Vinasse, which is commonly referred to as stillage, is a aqueous by-product of bioethanol processing. This side-product is yielded in a very large quantity in bioethanol industry since the production of 1 L of ethanol will generate 13 L of vinasse. H
Externí odkaz:
https://doaj.org/article/a96f46f0706a4f81a07d58c8d6268fea
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 12, Iss 2, Pp 293-298 (2017)
Nyamplung (Calophyllum inophyllum) is a typical Indonesian plant. Its seed contains abundant inedible oil, and therefore it is potential for biodiesel feedstock. The current issues of biodiesel are longer reaction time of oil to biodiesel through tra
Externí odkaz:
https://doaj.org/article/75c96eb5440b487e92f0d2c47494ac1a
Autor:
Ratna Dewi Kusumaningtyas, Oktafiani Oktafiani, Dhoni Hartanto, Prima Astuti Handayani, Dimas Rahadian Aji Muhammad
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 4, Iss 2, Pp 46-54 (2015)
Organo-mineral fertilizer solid was generated from liquid-waste vinasse with the addition of other materials as variations such as filter cake, boiler ash, urea, and NPK through the evaporation of water content in the material. Each solid OMF has a d
Externí odkaz:
https://doaj.org/article/0c7771f33b6749b297e1a43cde0cf7da
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 4, Iss 1, Pp 27-34 (2015)
Pembuatan film plastik biodegradable dilakukan melalui proses pencampuran menggunakan pelarut aquades dengan komposisi 10 g tepung biji durian, 50 mL larutan kitosan 2% , dan gliserol 25% dari berat pati.Variasi suhu pencampuran yaitu 70oC, 80oC, dan
Externí odkaz:
https://doaj.org/article/eb666d7302b24627acc0a7bb4e86f356