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Pengaruh Konsentrasi Dan Ph Terhadap Proses Adsorpsi Komposit Spent Bleaching Earth (Sbe) – Spent Mushroom Substrate (Sms) Sebagai Adsorben Logam Cu2+

ABSTRACT
Many industries produce copper metal waste (Cu) that is classified as heavy metal
and toxic. Spent bleaching earth (SBE) and spent mushroom substrate (SMS) can
be reactivated to be used as composite adsorbents. This study aims to determine
the efficiency and the adsorption capacity of SBE-SMS adsorbent composites
against Cu2+ metals with the influence of pH and initial concentration and
determine the adsorption isotherm model. 3 grams of adsorbent are used for 500
ml the artificial ocean metal Cu2+, with pH variations that are 2; 3; 4; 5; 6 and
variations in the initial concentrations are 10; 20; 40; 60; 80; 100; 120 mg/l. The
adsorption process is carried out for 60 minutes with 125 rpm stirring speed. The
best absorption efficiency happened at pH 5 of 68,36 % and at initial
concentration of 120 mg/L was 89,1 %. The highest adsorption capacity at 17,815
mg/g was obtained at pH 5 with an initial concentration of 120 mg/L. The
adsorption isotherm model formed is Langmuir adsorption isotherm with value of
R2 = 0,6999 and a maximum adsorption capacity was 2,801 mg/g. Based on the
results of adsorption tests on Cu2+ metals, optimum adsorption happened in acidic
conditions, and adsorption capacity increases at the line with increase at the
concentration.
Keywords: Adsorption, Composite, Copper (Cu), Spent Bleaching Earth (SBE),
Spent Mushroom Substrate (SMS).

Ketersediaan
#
Perpustakaan Universitas Riau 07 02. 121 (0069)
07 02. 121 (0069)
Tersedia
Informasi Detail
Judul Seri
-
No. Panggil
07 02. 121 (0069)
Penerbit
Pekanbaru : Universitas Riau –Fakultas Teknik – Teknik Lingkungan.,
Deskripsi Fisik
ix, 79 hlm.; ill.: 29 cm
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
07 02. 121 (0069)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
TEKNIK KIMIA
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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