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Journal : Sainteknol : Jurnal Sains dan Teknologi

PEMBUATAN TINTA PRINTER DENGAN PIGMEN ORGANIK BERBAHAN DASAR SAMPAH DAUN Wiguna, Pradita Ajeng; Susanto, Susanto
Sainteknol : Jurnal Sains dan Teknologi Vol 13, No 2 (2015): December 2015
Publisher : Unnes Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v13i2.5247

Abstract

Waste became one of the unresolved issues in the society. One of the abundant number of waste is organic waste in the form of leaves. The high production of leaf litter on the environment are demanding alternative ways of handling the creative and innovative products useful. An attempt was made is the use of leaf litter as organic color pigments for ink printers. Manufacture of pigments made by reducing the leaf litter to form a homogeneous carbon powder that is burning leaf litter under conditions of low oxygen and then do a simple mixing process with other materials ink makers. The resulting ink tested of transmittance by varying the mass of carbon namely from 1 to 6 grams, the results indicate that the more carbon, the intensity of their light mass is getting low. At the time of adsorbtion rate test showed that carbon ink has almost the same velocity with the type of ink that is circulating in the market, i.e. 1.04 mm/s. Additionally carbon inks have dried faster speed compared to the existing inks on the market, i.e. the ratio of 106: 129 seconds. In the test performance of carbon ink on the printer shows the results that more black and smooth so that appropriate if applied as an inkjet printer.
PERFORMANCE OF PHOTOCATALYST BASED CARBON NANODOTS FROM WASTE FRYING OIL IN WATER PURIFICATION Aji, Mahardika Prasetya; Wiguna, Pradita Ajeng; Susanto, Susanto; Rosita, Nita; Aisyah, Siti; Suciningtyas, Suciningtyas; Sulhadi, Sulhadi
Sainteknol : Jurnal Sains dan Teknologi Vol 14, No 2 (2016): December 2016
Publisher : Unnes Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v14i2.8992

Abstract

Carbon Nanodots (C-Dots) from waste frying oil could be used as a photocatalyst in water purification with solar light irradiation. Performance of C-Dots as a photocatalyst was tested in the process of water purification with  a given synthetic sewage methylene blue. The tested was also conducted by comparing the performance C-Dots made from frying oil, waste fryng oil as a photocatalyst and solution of methylene blue without photocatalyst C-Dots. Performance of C-Dots from waste frying oil were estimated by the results of absorbance spectrum. The results of measurement absorbance spectrum from the process of water purification with photocatalyst C-Dots showed that the highest intensity at a wavelength 664 nm of methylene blue decreased. The test results showed that the performance of photocatalyst C- Dots from waste frying oil was better in water purification. This estimated that number of particles C-dots is more in waste frying oil because have experieced repeated the heating process so that the higher particles concentration make the photocatalyst process more effective. The observation of the performance C-Dots from waste frying oil as a photocatalyst in the water purification processes become important invention for solving the problems of waste and water purification.
PEMBUATAN TINTA PRINTER DENGAN PIGMEN ORGANIK BERBAHAN DASAR SAMPAH DAUN Wiguna, Pradita Ajeng; Susanto, Susanto
Sainteknol : Jurnal Sains dan Teknologi Vol 13, No 2 (2015): December 2015
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v13i2.5247

Abstract

Waste became one of the unresolved issues in the society. One of the abundant number of waste is organic waste in the form of leaves. The high production of leaf litter on the environment are demanding alternative ways of handling the creative and innovative products useful. An attempt was made is the use of leaf litter as organic color pigments for ink printers. Manufacture of pigments made by reducing the leaf litter to form a homogeneous carbon powder that is burning leaf litter under conditions of low oxygen and then do a simple mixing process with other materials ink makers. The resulting ink tested of transmittance by varying the mass of carbon namely from 1 to 6 grams, the results indicate that the more carbon, the intensity of their light mass is getting low. At the time of adsorbtion rate test showed that carbon ink has almost the same velocity with the type of ink that is circulating in the market, i.e. 1.04 mm/s. Additionally carbon inks have dried faster speed compared to the existing inks on the market, i.e. the ratio of 106: 129 seconds. In the test performance of carbon ink on the printer shows the results that more black and smooth so that appropriate if applied as an inkjet printer.
Co-Authors . HERNAYANTI A.A. Ketut Agung Cahyawan W Abrina Anggraini, Sinar Perbawani Adi Putra Surya Wardhana Agrikaltarini, Niken Dwiretno Galuh Agus Purbo Widodo Ahmad Munir Akhmad Arif Musadad Andin Irsadi Aprianto, Yayan Atriyon Atriyon, Atriyon Basworo Ardi Pramono Binti Abdul AZIZ, Nur Halimah Catur, Udhi D. Dafik Deby Luriawati Dina Tri Dipo Yudhatama, Dipo Diyanah, Hidayatud Djono Djono Dwi Ario Fajar Edi Widodo, Edi Erfan Yudianto Evi Dewi Sri Mulyani Fauzi, Latiffah Ulul Febrian Wahyu Christanto Febrian, Emil Dwi Firdauz, Muhamad Aidil Hanim, Fitriah Hari Bakti Mardikantoro Hasunah, Umi Henny Welsa Hermanu Joebagio Heru Danarbroto Hieronymus Purwanta Himawan, Anang Haris Hutami, Lusia Tria Hatmanti Irma Ratnasari Nurhasanah, Irma Ratnasari Jakondar Bakara Jondar, Aloysius Julzarika, Atriyon Khayan Khayan Kriskartika, Septi Anggita Laleat, Yoram Oddang Lim, Benny Linda, Tina Liu Santa Stefenny, Liu Santa Lukman Hakim Maharani, Bernadetta Diansepti Mahardika Prasetya Aji, Mahardika Prasetya Mahfuuzoh, Dian Mardyantari, Etik Mareta, Prima Retnaning Maya Riantini, Maya Mohammad Syafril Nusyirwan, Mohammad Syafril Muchlisin Arief Mudji Sabar, Mudji Mukhoriyah, Mukhoriyah Nelis Nurjayanti, Nelis Nita Rosita, Nita Nonik Kusuma Ningrum Novi Ratna Dewi Nurtriana Hidayati parman parman Prabewi, Nur Pradita Ajeng Wiguna, Pradita Ajeng Prasetyo, Muslih Dwi Prihatini, Roro Agung Pujiningtyas, Lia Ratnasari Purnama Sukardi putri, lusi rahmani Ratih Ayuningtiyas Retno Woro Kaeksi, Retno Woro Ribut Achwandi Ricky Indri Hapsari Riezal, Chaerol Rijal, Muhammad Azharul Rindrayani, Sulastri Rini Rini Novianti Risnayanti, Risnayanti Rohidi, Tjetjep Rehendi Rostanti Toba, Rostanti Rudy Aryanto, Rudy Sahrita, Titis Salsabila, Hana Zahra Santosa, Sonny Saputro, Agus Triwidodo Satriyo Nugroho, Satriyo Shinta Siti Sundari Sidqi, M. Fajru Siti Aisyah Siti Hawariyyah, Siti Sorta Basar Ida Simanjuntak Sri Kusumo Habsari Suciningtyas Suciningtyas, Suciningtyas Sujana Sujana Sujudi, Muhammad Sukma P, Fika Riskiana Sulhadi - Sunarsi, Sri Sunarsieh, Sunarsieh Suryawardana, Edy Susi Salmah, Susi Susi Susanti Syahrul Syah Sinaga Syamsul Arifin, M. Agus Tarigan, Sri Aprianti Teuku Mufizar Titik Sugiarti Titis Srimuda Pitana, Titis Srimuda Toto Bara Setiawan Tri Anggraeni Triana Nur Handayani, Triana Nur Tuti Hartati Umrotun Umrotun Victor Ganap Widowati Widyakto, Adhi Wijaya, Elyzabeth Wivia Revianti, Wivia Wulansih, Tri Yaktiworo Indriani Yofita Sandra, S.Pd., M.Pd., Zico Farlin, Dr. Budiwirman, M.Pd., Yoga Fernando Rizqi Yudistira, Yanuar Wahyu Yutifa, Hasli