Image of Penyisihan Kadar Logam Cr (Vi) Dan Cr (Iii) Pada Limbah Cair Elektroplating Dengan Kombinasi Proses Pengolahan Secara Biosorpsi Menggunakan Mikroalga Chlorella Sp. Dan Koagulasi Flokulasi
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Penyisihan Kadar Logam Cr (Vi) Dan Cr (Iii) Pada Limbah Cair Elektroplating Dengan Kombinasi Proses Pengolahan Secara Biosorpsi Menggunakan Mikroalga Chlorella Sp. Dan Koagulasi Flokulasi

ABSTRACT
Electroplating liquid wastewater is liquid wastewater that comes from the process
of coating a metal with other metals with the help of an electric current. This
research conducts processing of electroplating liquid wastewater using a
combination of treatment processes by biosorption using microalgae Chlorella sp.
immobilization in an airlift bioreactor and further processing by coagulation and
flocculation in a coagulation and flocculation reactor using Poly Aluminum
Chloride (PAC) coagulants. The purpose of this study was to determine the
removal efficiency, initial concentration and optimum contact time and functional
groups in microalgae Chlorella sp. The variation of treatment in this study is the
initial concentration of wastewater of 25, 50, 75, 100% with variations in contact
time for 1, 2, 3 and 4 days in the biosorption process and the addition of a
coagulant dose of 600 mg / L in the flocculation coagulation process. The results
showed that the biosorption process obtained the best variation in the
concentration of 75% wastewater in 4 days contact time. The combination of
biosorption, coagulation and flocculation processing can set aside the Cr (VI)
content of 93.03% and Cr (III) of 69.8%. Testing the characteristics of
microalgae Chlorella sp using Fourier Transform Infra Red (FTIR) showed the
presence of carboxyl, hydroxyl and amine functional groups. These functional
groups play a role in the biosorption process in reducing Cr metal in
electroplating wastewaterwater.
Keywords: Electroplating Liquid Wastewater, Chlorella sp., Chrome, Wastewater
Concentration, Contact Time.

Ketersediaan
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Perpustakaan Universitas Riau 07 02. 120 (0025)
07 02. 120 (0025)
Tersedia
Informasi Detail
Judul Seri
-
No. Panggil
07 02. 120 (0025)
Penerbit
Pekanbaru : Universitas Riau – Fakultas Teknik – Teknik Lingkungan.,
Deskripsi Fisik
xii, 29 hlm.; ill.: 29 cm
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
07 02. 120 (0025)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
TEKNIK KIMIA
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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