Results 11 to 20 of about 279,864 (68)

Pengaruh Waktu Tinggal dan Umur Tanaman pada Biosorpsi Ammonia oleh Tanaman Air Enceng Gondok (Eichhornia Grassipes)

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2009
Ammonia biosorption by using Enceng Gondok, Eichhornia crassipes, was conducted in outdoor laboratory with objective to study the influence residence time and plant age to ammonia biosorption rate.
Suhendrayatna Suhendrayatna   +3 more
doaj  

Boletim Diocesano, Edição 156.

open access: yes, 1982
Boletim publicado mensalmente pela Cúria Diocesana de Nova Iguaçu, entre 1969 e 1992, contendo documentos variados, entre os quais cartas circulares do Bispo, aras de reuniões das organizações pastorais, além de informações gerais, como o calendário de ...
Hypólito, Dom Adriano Mandarino
core  

Pengaruh Pengekstrakan pada Kekuatan Kayu: Damar Batu, Kempas, dan Durian

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2009
The objective of this research is to determine strength rate of Damar Batu/Balau (Shorea spp.), Kempas (Kompassia malaccensis), and Durian (Durio spp.) before and after extraction.
Iskandar Iskandar
doaj  

Pengembangan Membran Magnesol untuk Pemurnian Biodiesel

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2013
Magnesol membrane has been prepared by mixing chitosan polymer with magnesol particles via phase inversion method. The optimum compositions of adsorptive membranes were 3% chitosan, 15% DMF and 60% loading adsorbent.
Saiful Saiful   +3 more
doaj   +1 more source

Caminhando, Número 156

open access: yes, 2003
Informativo publicado mensalmente pela Diocese de Nova Iguaçu entre 1986 e 2014. Contém textos de reflexão sobre o papel social da Igreja e informações sobre a atuação das diversas Pastorais, das Comunidades Eclesiais de Base e da Cáritas Diocesana ...
Bergamin, Dom Luciano
core  

Pembuatan Katalis Cu/ZnO/Al2O3 untuk Proses Steam Reforming Metanol menjadi Hidrogen sebagai Bahan Bakar Alternatif

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2010
Study on the use of copper zinc oxide supported on alumina catalyst for steam reforming of methanol to hydrogen has been done. The aim of this work is to study the catalytic properties of copper based catalysts used in the steam reforming of methanol ...
Husni Husin, Yanna Syamsuddin
doaj  

Feasibility of In-Situ Aeration of Old Dumping Ground for Land Reclamation

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2013
Dumping grounds are characterized by the absence of engineering controls such as base liners and cover layer. Consequently, these dumping grounds present risks for surrounding resources such as soil, groundwater and air.
Huan-Huan Tong   +5 more
doaj   +1 more source

Adsorpsi Ion Logam Cu(II) Menggunakan Lignin dari Limbah Serbuk Kayu Gergaji

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2010
Adsorption of heavy metal ion Cu(II) onto modified lignin from sawdust waste have been presented. The ability of lignin from sawdust waste to adsorb the copper ion has been evaluated by varying adsorption time, pH of solution, and adsorption capacity ...
Lelifajri Lelifajri
doaj  

Kajian Kinerja Penukar Panas Tipe Shell and Tube Satu Haluan dengan Pengontrolan Suhu Outlet

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2013
Kajian ini bertujuan untuk menentukan kinerja penukar panas tipe shell and tube dengan pengaturan suhu outlet.  Penukar panas yang digunakan dalam kajian ini adalah penukar panas tipe  shell and tube dengan bahan bakar  kerosen.  Parameter  kinerja  yang
Hendri Syah
doaj   +1 more source

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