PENURUNAN KADAR CR+3 [KROMIUM(III)] DAN TSS (TOTAL SUSPENDED SOLID) PADA LIMBAH CAIR LABORATORIUM DENGAN PENGGUNAAN METODE PRESIPITASI

  • Isma Avessa Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman
  • Bohari Yusuf Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman
  • Alimuddin Alimuddin Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

Abstract

The aims of this research was to decrease the level chromium and TSS in the laboratory wastewater liquid sample PT SUCOFINDO by using calcium hydroxide and sodium hydroxide. Precipitation process was done by reacting the wastewater sample and solution Ca(OH)2 0,2 and NaOH 1 M at pH variation 7, 8, 9, 10 and 11, then allowed to settle for 24 hours and established the optimal pH at both solution was used in the precipitation process. Analysis content of Cr metal at this research using AAS instrument and analysis for content of TSS in this research using gravimetric method. The optimal pH precipitation to decrease Cr metal and TSS level is 8 in each of the solution used. Cr metal level after precipitation using Ca(OH)2 solution at pH 8 is 0.0901 mg/L and TSS level is 0.005 mg/L. Cr metal level after precipitation using NaOH at pH 8 is 0.0935 mg/L and TSS level is 0.008 mg/L. If compared with level decrease of Cr metal and TSS in laboratory wastewater using Ca(OH)2 and NaOH solution, and found the effectiveness of solution that have better efficiency to reduce levels of Cr and TSS in the low concentration is calcium hydroxide.

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References

[1] Adli, H. 2012. Pengolahan Limbah Cair Laboratorium Dengan Metode Presipitasi dan Adsoprsi Untuk Penurunan Kadar Logam Berat. Jakarta : Universitas Indonesia.

[2] Asmadi, Endro dan Oktiawan, W,. 2009. Pengurangan Chrom (Cr) Dalam Limbah Cair Industri Kulit pada Proses Tannery menggunakan Senyawa Alkali Ca(OH)2, NaOH dan NaHCO3. Semarang : Universitas Diponegoro.

[3] Ayres, D.M., Davis, A.P., dan Gietka, P.M. 1994 Removing heavy metals from wastewater. University of Maryland : Engineering Research Centre Report.

[4] Azamia, M. 2012. Pengolahan Limbah Cair Laboraotium Kimia Dalam Penurunan Kadar Organik serta Logam Berat Fe, Mn, Cr Dengan Metode Koagulasi dan Adsorpsi. Jakarta : Universitas Indonesia.

[5]Indrasti, N.S dan Suprihatin. 2010. Penyisihan Logam Berat Chrom (Cr) Pada Limbah Cair Industri Penyamakan Kulit Dengan Proses Koagulasi Flokulasi dan Presipitasi. Semarang : Universitas Diponegoro.

[6] Junaidi, Zainus S, dan Maria. 2011. Pengolahan Logam Berat Cr pada Limbah Cair Industri Penyamakan Kulit Dengan Proses Koagulasi Flokulasi dan Presipitasi. Semarang : Universitas Diponegoro.

[7] Kenneth, H.L. 1997. Heavy Metal Removal. Dapertament Perindustrian.

[8] Ningsih, M.S. 2013. Penurunan Limbah CAir BOD dan COD Pada Industri Tahu Menggunakan Tanaman Cattail (Thypa Angustifolia) Dengan Sistem Contructed Wetland. Semarang : UNES.

[9] Wardhani, E., Mila M dan Ima F.A. 2011. Kombinasi Proses Presipitasi dan Adsorpsi Karbon aktif dalam Pengolahan Air Limbah Industri PEnyamakan Kulit. Bandung : Itenas.
Published
2016-11-08
How to Cite
AVESSA, Isma; YUSUF, Bohari; ALIMUDDIN, Alimuddin. PENURUNAN KADAR CR+3 [KROMIUM(III)] DAN TSS (TOTAL SUSPENDED SOLID) PADA LIMBAH CAIR LABORATORIUM DENGAN PENGGUNAAN METODE PRESIPITASI. JURNAL KIMIA MULAWARMAN, [S.l.], v. 14, n. 1, nov. 2016. ISSN 2476-9258. Available at: <http://jurnal.kimia.fmipa.unmul.ac.id/index.php/JKM/article/view/245>. Date accessed: 20 apr. 2024.
Citation Formats
Issue
Vol 14 No 1 (2016)
Section
Artikel

Keywords

Precipitation, AAS, Ca(OH)2, NaOH, Cr, TSS.

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