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Theresia Evila Purwanti Sri Rahayu
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Jurnal Pengendalian Pencemaran Lingkungan (JPPL)
Published by Politeknik Negeri Cilacap
ISSN : 26866145     EISSN : 26866137     DOI : https://doi.org/10.35970/jppl
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science
a. Water pollution control b. Soil pollution control c. Air pollution control d. Liquid and solid waste control e. Bioprocess and biochemistry f. Biodiversity and bio monitoring g. Engineering design process h. Environmental chemistry i. Management of environmental pollution control
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 2 Documents
 1 
Search results for , issue "Vol 2, No 1 (2020): JPPL,Maret 2020" : 2 Documents clear
Karakteristik Fisik Lignin pada Serat Tandan Kosong Kelapa Sawit PT. Tunggal Perkasa Plantataions Provinsi Riau Menggunakan Metode Organosolv Angga Pramana; Muhammad Nur Cahyanto; Heni Adhianata; Yelmira Zalfiatri
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol 2, No 1 (2020): JPPL,Maret 2020
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v2i1.153

Abstract

Oil palm empty fruit bunches (OPEFB) are solid waste from the palm industry that contains linocellulose in the form of lignin, cellulose and hemicellulose. Lignin using as a binder, adhesive, filler, surfactant, polymer product, dispersant and source of ingredients. The method of isolating lignin can be done by the organosolv method. In the organosolv process, temperature is a factor that will affect the speed of the lignin dissolution reaction. This study aims to determine the physical characteristics of oil palm empty fruit bunches of PT. Tunggal Perkasa Plantations, Regency of Indragiri Hulu, Riau Province. In the study conducted effect of cooking temperature on the isolation process of OPEFB with the organosolv method using acetic acid solvents with 0.1% HCl catalyst. The experimental design used in this study was a Completely Randomized Design consisting of 4 treatments  temperature of  cooking  (60°C,  85°C,  100°C  and  121°C).  L value indicates the brightness of lignin, the higher the L value means that the color of lignin is brighter. The value of Lignin at  100 ̊C was  35.14 while the value of L lignin at 121 C  was  32.245. If  ‘a’ values indicate lignin redness and  ‘b’ values indicate yellowish. The highest yield of OPEFB lignin was obtained using a temperature of 85 °C is 15.87%.
Ekstraksi Pewarna Alam Berbahan Kunyit, Nanas Kerang, Lumut, dan Kol Merah Serta Aplikasinya dalam Analisis Fotokimia Novita Asma Ilahi; Sri Sumardiasih
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol 2, No 1 (2020): JPPL,Maret 2020
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v2i1.151

Abstract

The extraction of natural dyes was carried out on plants with different types of natural dyes. Dye curcumin from turmeric extract (Curcuma longa), chlorophyll dye extraction of alga (Bryophyta), and anthocyanin  dye from red cabbage plants (brassica oleracea) and adam eva plant (tradescantia spathacea). The trituration of each plant was then extracted using ethanol in a ratio of 1 gr: 5 ml with a stirring process for 24 hours. Measurement absorption ability of natural dyes was done using the UV-Visible Lambda Spectrophotometer 25. The peak absorption of dye curcumin was in the wavelength range of 350-500 nm with the peak wave absorbance at 447 nm. The peak absorption of anthocyanin red cabbage dye is in the wavelength range of 327-384 nm. Dye chlorophyll and anthocyanin dye of adam eva plant had wavelength absorbance in the range of visible light and infrared with absorbance peaks at 419 nm and 674 nm.

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