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Home arrow Latest News arrow How to Parse Colour & Pigment Textile Waste Has Found

How to Parse Colour & Pigment Textile Waste Has Found PDF Print E-mail
Written by Maizer   
Monday, 08 August 2016

Four students of the Faculty of Chemistry Unsoed, Muhammad Afif, Yuyun Septiana, Nugraheni Puspita, and Febiayanto, managed to find a way to degrade the color of textile waste (Rhodamine B) by means nanomaterial Mangan- Silver (Ag3PO4-Mn). Using the help of sunlight during these wastes can not be parsed now be overcome.


The study, which lasted for five months in a number of Central Java's textile industry is ushering them towards PIMNAS 2016 at IPB Bogor, West Java, last week. Rhodamine B dye used in the textile dyeing process is usually dissolved in water and discharged without prior treatment.


It is very dangerous to health due to contaminated water can cause skin diseases and cancer. Team Leader, Muhammad Afif revealed 100 ml textile waste Rhodamine B 10 ppm can be degraded to 0 ppm. Composites with a mole ratio of Mn / Ag 0.01M under blue light irradiation showed the highest photocatalytic activity.


"Mathematically composite Ag3PO4 NMN memililiki activity 61.3-fold better than Ag3PO4 in a pure state, capable of degrading 100 ml textile waste Rhodamine B 10 ppm to 0 ppm in a ten minute exposure, '' he explained.


Hard to Dissolve


It is said, the highest photocatalytic activity is due to increased separation of the resulting composite elektronhole Ag3PO4 -Mn. The physical characteristics possessed by the photocatalyst of which is a bright yellow, soluble in water, the surface area of ​​6.069 m2 / g, the energy band gap of 2.38 eV and a wavelength of 539 nm.


In general, the process of research is a composite nanomaterial Ag3PO4 -Mn successfully synthesized by co-precipitation using CuSO4.- 5H2O, AgNO3 and Na2HPO4.- 12H2O as the starting material. '' Variations in the concentration of manganese with a mole ratio of Mn / Ag 0.01; 0.02 and 0.03 then characterized using XRD, DRS, BET Surface Area and SEM, '' said Yuyun Septiana.


The photocatalytic activity was evaluated using a composite Rhodamine B (RHB) under variations of light irradiation of blue, green and yellow. '' According to the evaluation, the composite with a mole ratio of Mn / Ag 0.01M under blue light irradiation showed the highest photocatalytic activity, '' he said.


The working principle of composite Ag3PO4 -Mn based on the photocatalytic reaction is when the composite Ag3PO4 -Mn charged with energy rays at certain wavelengths then it will produce reactive ions that can destroy the textile industry waste.


Febiayanto also hope that there is socialization, along with practices concerning the use of composite Ag3PO4 -Mn to degrade the textile waste in an integrated manner for the textile industry. '' Hopefully, the more pollution can be minimized, '' he said.




Cara Mengurai Zat Pewarna Limbah Tekstil Telah Ditemukan




Empat mahasiswa Fakultas Kimia Unsoed, Muhammad Afif, Yuyun Septiana, Nugraheni Puspita, dan Febiayanto, berhasil menemukan cara mendegradasi limbah warna dari tekstil (Rhodamin B) dengan cara Nanomaterial Mangan- Silver (Ag3PO4-Mn). Menggunakan bantuan sinar matahari limbah yang selama ini tidak bisa diurai kini bisa diatasi.


Penelitian yang berlangsung selama lima bulan di sejumlah industri tekstil di Jawa Tengah ini mengantarkan mereka menuju PIMNAS 2016 di IPB Bogor Jawa Barat, pekan lalu. Zat warna Rhodamin B yang digunakan dalam proses pewarnaan tekstil biasanya terlarut dalam air dan dibuang tanpa pengolahan terlebih dahulu.


Hal ini sangat berbahaya bagi kesehatan karena air yang tercemar tersebut dapat menimbulkan penyakit kulit dan kanker. Ketua Tim, Muhammad Afif mengungkapkan 100 ml limbah tekstil Rhodamin B 10 ppm dapat terdegradasi hingga 0 ppm. Komposit dengan rasio mol Mn / Ag 0,01 M dibawah iradiasi sinar biru menunjukkan aktivitas fotokatalitik tertinggi.


”Secara matematis komposit Ag3PO4 ñMn memililiki aktivitas 61,3 kali lipat lebih baik dibandingkan Ag3PO4 dalam keadaan murni, yang mampu mendegradasi 100 ml limbah tekstil Rhodamin B 10 ppm menjadi 0 ppm pada menit ke sepuluh penyinaran,’’ jelasnya.


Sukar Larut


Dikatakan, aktivitas fotokatalis tertinggi ini disebabkan oleh peningkatan pemisahan elektronhole yang dihasilkan komposit Ag3PO4 -Mn. Karakteristik fisik yang dimiliki oleh fotokatalis di antaranya adalah berwarna kuning cerah, sukar larut dalam air, luas permukaan sebesar 6,069 m2/g , energi celah pita sebesar 2,38 eV dan panjang gelombang sebesar 539 nm.


Secara umum proses penelitian yang dilakukan adalah Nanomaterial komposit Ag3PO4 -Mn berhasil disintesis secara co-presipitasi menggunakan CuSO4.- 5H2O, AgNO3 dan Na2HPO4.- 12H2O sebagai starting material. ‘’Variasi konsentrasi mangan dengan rasio mol Mn / Ag 0,01 ; 0,02 dan 0,03 kemudian dikarakterisasi menggunakan XRD, DRS, BET Surface Area dan SEM,’’ kata Yuyun Septiana.


Aktivitas fotokatalitik komposit dievaluasi menggunakan Rhodamin B (RhB) di bawah variasi iradiasi cahaya biru, hijau dan kuning. ‘’Menurut evaluasi, komposit dengan rasio mol Mn / Ag 0,01 M dibawah iradiasi sinar biru menunjukkan aktivitas fotokatalitik tertinggi,’’ ungkapnya.


Prinsip kerja dari komposit Ag3PO4 -Mn didasarkan pada reaksi fotokatalitik yaitu saat komposit Ag3PO4 -Mn dikenai sinar dengan energi pada panjang gelombang tertentu maka akan menghasilkan ion reaktif yang dapat menghancurkan limbah industri tekstil.


Febiayanto juga berharap agar ada sosialisasi yang disertai dengan praktik mengenai pemanfaatan komposit Ag3PO4 -Mn untuk mendegradasi limbah tekstil secara terpadu bagi pelaku industri tekstil. ‘’Semoga pencemaran semakin dapat diminimalisir,’’ ungkapnya.



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