Research of the utilization solid waste of palm oil fuel ash from boiler as row materials for manufacturing light concrete brick has been conducted. The main objective of this study is to investigate the potential use solid waste of palm oil fuel ash from palm oil mill boilers as row materials for manufacturing light concrete brick has recently attracted for an alternative environmentally sustainable application. In this study, light concrete brick made with various proportions of palm oil fuel ash from palm oil mill boilers and sand were fabricated and studied under laboratory scales. Percentage of palm oil fuel ash of 0% as a control, 10%, 20%, 30%, 40%, 50%, 60%, replacement sand, wheras others materials such as Portland cement, lime, gypsum, foaming agent and aluminium with the numbers constant. The quality of light concreate brick were applied followed by the compressive strength test, density and water absorption capacity. The study discovered that the compressive strength for all composition meet the recommended value to light structural of 6.89 MPa as prescribed in SNI 03-3449-2002. In the same manner density of light concrete brick for all proportion under the maximum density recommended value of 1400 Kg/m3 according to SNI 03-3449-2002. While water absorption capacity of increased by the increasing use of ashes. Therefore, palm oil fuel ash from boiler can be used as raw material for the light concrete brick which is environmental friendly because using solid waste and also an alternative handling solid waste.ABSTRAKPenelitian pemanfaatan limbah padat abu cangkang dan serat kelapa sawit dari boiler sebagai bahan baku pembuatan bata beton ringan telah dilakukan. Tujuan dari penelitian ini adalah pemanfaatan limbah padat abu boiler berbahan bakar cangkang dan serat sebagai bahan pembuatan bata beton ringan sebagai salah satu alternatif pengelolaan lingkungan yang bekelanjutan. Dalam penelitian ini, bata beton ringan dibuat dengan berbagai komposisi abu boiler dan pasir yang diproduksi dalam skala laboratorium. Persentase dari abu berturut-turut 0% sebagai kontrol, 10%, 20%, 30%, 40%, 50% dan 60% mensubtitusi pasir, sedangkan bahan lain yaitu semen, kapur, gypsum, foaming agent serta aluminium pasta dengan jumlah tetap. Mutu bata beton ringan yang diujikan adalah kuat tekan, bobot jenis dan daya serap air. Hasil penelitian menunjukkan bahwa kuat tekan untuk semua komposisi memenuhi batas minimum yang dipersyaratkan untuk stuktural ringan yaitu 6,89 MPa sesuai SNI 03-3449-2002. Demikian pula bobot jenis dari bata ringan yang dihasilkan masih dibawah dari batas maksimum yang direkomendasikan SNI 03-3449-2002 yaitu maksimal 1400 Kg/m3. Sedangkan daya serap air mengalami kenaikan dengan naiknya jumlah abu yang digunakan . Limbah padat abu boiler berbahan bakar cangkang dan serat sawit dapat dimanfaatkan sebagai bahan baku pembuatan bata beton ringan yang ramah lingkungan dengan memanfaatkan limbah dan menjadi salah satu alternatif pengelolaan limbah. Kata kunci : Abu cangkang kelapa sawit, bata beton ringan, bobot jenis, daya serap air, limbah, kuat tekan
fhe rcsearch has been cahducted to stDdy tha eflect afthe atldilian sadiuh hvo..hl. e on the annania lesthg af watet and wasle watet. This research was kvestigated the ellect af e\cess al sadium hypachlanb bat adtled in ta the sanple has high lutbi,)ly Sodiun hypo.hl.ite s.lDtian ta reduce tuhLdnywas used at vanausvantne:25 nL, 30 m1,35 hL 40frL, 15n1, 5A nL 55 nL,6A nL. rhe anatls)s frelhatt ac9 ling la SNI A6-6939 3A 2A05, Methade af Anania Tesing with Speklrclatoneter tn watet and wasLe \9atet.The rcsuft al lhe expe neht ihdicate that sadiunt hypochlanle was added narc tl)an arange.l tn SNI A6 69A9 3A 2AA5 can effect ta the rcsuft of aclual afrnonia cantain in the water sanple lhe maxinun al sadiun hypochlotile rccannen.le.! la used in lhe sahple high lutatdiu is 4A nL in 1a0 nL alkalin cittute salutan Keywotds: annania, sadiuh hypachlaile tututdily watet and waste watet PENGARUH PENAMBAHAN DALAM ANALISA AMONIA Haspiadi, Kurniawaty B2a Ricd.ran sl.ndard sas enqujan amo. a da am. r da. an mbah dapal SODIUM HIPOKLORIT AIR SECARA FENAT Ar dan A r L mbah-Bagian 30: Cara Ul Kadar Amon a denoa. speklrofotometer Lala. belakang d revisinya Metode
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