Efisiensi Natrium Silikat (Na2SiO3) Hasil Ekstraksi Dari Lumpur Lapindo Sebagai Inhibitor Korosi Pada Pipa Ductile Cast Iron Di Lingkungan Air Laut

Hak, Syaiful (2014) Efisiensi Natrium Silikat (Na2SiO3) Hasil Ekstraksi Dari Lumpur Lapindo Sebagai Inhibitor Korosi Pada Pipa Ductile Cast Iron Di Lingkungan Air Laut. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Lumpur lapindo sudah terjadi sejak tahun 2006 dengan semburan mencapai 35 m3 perharinya, sehingga lumpur lapindo banyak menggenangi perumahan warga dan banyak merugikan warga disekitar pusat semburan lumpur. Setelah dilakukan penelitian ternyata lumpur lapindo mempunyai banyak kandungan silika, dimana silika ini bisa dibuat menjadi inhibitor natrium silikat (Na2SiO3) dengan mencampurkan lumpur lapindo dengan natrium hidroksida (NaOH). Dalam penelitian ini metode ekstraksi yang digunakan ada 2. Metode pertama mengacu pada penelitian (Aditya, 2014) dan metode kedua mengacu pada penelitian (Mustofa, 2013). Pengujian korosi dilakukan dengan menggunakan 3 inhibitor yaitu inhibitor komersil, inhibitor sintesis 1 dan inhibitor sintesis 2 yang diuji pada 2 larutan uji yaitu larutan air laut dan larutan air laut + lumpur. Sebagai inhibitor natrium silikat hasil sintesis 1 dan sintesis 2 bekerja cukup efektif pada lingkungan air laut + lumpur dibandingkan inhibitor komersil, akan tetapi pada lingkungan air laut inhibitor komersil memiliki efisiensi yang hampir sama dengan inhibitor hasil sintesis. Penambahan inhibitor 10 ml pada media uji air laut + lumpur, natrium silikat hasil sintesis 1 memberikan perlindungan terbaik dengan efisiensi sebesar 83,26%. Produk korosi akibat lingkungan air laut maupun air laut + lumpur hampir tidak ada perbedaan yaitu α-Fe2O3, γ-Fe2O3 dan Fe3O4. ============================================================================================================ Lapindo mud has been taking place since 2006 wich is bursting of 35 m3 per day. The mudflow has destroyed the populated housing. According to some researches lapido mud contains, a lot of silica which is potential for being used as natrium silicate (Na2SiO3) through mixing the mud with natrium hidroxide (NaOH). This reseach used two methods. the first one to refers to (Aditya, 2014) and the latter is according to (Mustofa, 2013). Corrosion testing is performed using 3 inhibitor, that is commercial inhibitor, synthesis inhibitor 1, synthesis inhibitor 2 which is tested on two test solution , it is sea water solution and sea-water + mud solution . As an inhibitor of the natrium silicate synthesis , results synthesis 1 and synthesis 2 work effectively on the sea water + mud than commercial inhibitor, but on environment of sea water commercial inhibitor has similar efficiency with synthesis results inhibitor. The addition of 10 ml inhibitor on media test ocean water + mud, synthesis results natrium silicate 1 provides the best protection with the efficiency of 83,26%. The products of corrosion due to sea water nor sea water + mud almost no difference, that is α-Fe2O3, γ- Fe2O3 and Fe3O4.

Item Type: Thesis (Undergraduate)
Additional Information: RSF 620.112 23 Hak e 3100014056775
Uncontrolled Keywords: inhibitor korosi, natrium silikat, sintesis dan lumpur lapindo.
Subjects: Q Science > QD Chemistry > QD181.S6 A4 Aluminum silicates
T Technology > TA Engineering (General). Civil engineering (General) > TA418.74 Corrosion and anti-corrosives
Divisions: Faculty of Industrial Technology > Physics Engineering > 30201-(S1) Undergraduate Thesis
Depositing User: Yeni Anita Gonti
Date Deposited: 24 Sep 2020 04:08
Last Modified: 24 Sep 2020 04:08
URI: http://repository.its.ac.id/id/eprint/82025

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