Aminudin Sulaeman
Analytical Chemistry Research Group, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

The Distribution of Microalgae in a Stabilization Pond System of a Domestic Wastewater Treatment Plant in a Tropical Environment (Case Study: Bojongsoang Wastewater Treatment Plant) Ariesyady, Herto Dwi; Fadilah, Rifka; Kurniasih, Kurniasih; Sulaeman, Aminudin; Kardena, Edwan
Journal of Engineering and Technological Sciences Vol 48, No 1 (2016)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.306 KB) | DOI: 10.5614/j.eng.technol.sci.2016.48.1.7

Abstract

The Bojongsoang Wastewater Treatment Plant (WWTP) serves to treat domestic wastewater originating from Bandung City, West Java, Indonesia. An abundant amount of nutrients as a result of waste decomposition increases the number of microalgae populations present in the pond of the wastewater treatment plant, thereby causing a population explosion of microalgae, also called algal blooming. In a stabilization pond system, the presence of algal blooming is not desirable because it can decrease wastewater treatment performance. More knowledge about the relationship between the nutrients concentration and algae blooming conditions, such as microalgae diversity, is needed to control and maintain the performance of the wastewater treatment plant. Therefore this study was conducted, in order to reveal the diversity of microalgae in the stabilization pond system and its relationship with the water characteristics of the comprising ponds. The results showed that the water quality in the stabilization pond system of Bojongsoang WWTP supported rapid growth of microalgae, where most rapid microbial growth occurred in the anaerobic pond. The microalgae diversity in the stabilization ponds was very high, with various morphologies, probably affiliated with blue-green algae, green algae, cryptophytes, dinoflagellates and diatoms. This study has successfully produced information on microalgae diversity and abundance profiles in a stabilization pond system.
Analisis Holoselulosa: Tinjauan Metode Analisis Kimia Konvensional Purwita, Chandra Apriana; Sulaeman, Aminudin; Setiyanto, Henry
JURNAL SELULOSA Vol 10, No 02 (2020): JURNAL SELULOSA
Publisher : Center for Pulp and Paper

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25269/jsel.v10i02.301

Abstract

Holoselulosa merupakan fraksi karbohidrat yang merupakan gabungan antara selulosa dan hemiselulosa. Fraksi holoselulosa menjadi penting karena merupakan bahan baku yang digunakan menjadi berbagai produk yang memiliki bernilai tinggi. Kandungan holoselulosa bervariasi di antara berbagai spesies kayu. Analisis holoselulosa penting untuk memperoleh informasi mengenai karakteristik dan kualitas bahan baku, mengoptimalkan pemanfaatan sumber bahan baku, dan meningkatkan efisiensi proses sehingga memungkinan komersialisasi proses konversi biomassa menjadi bahan lain yang berekonomis tinggi. Prinsip analisis holoselulosa metode kimia konvensional adalah fraksinasi dan isolasi yaitu dengan menyisihkan lignin, ekstraktif, dan abu, namun menjaga selulosa dan hemiselulosa tetap utuh. Metode analisis holoselulosa biasanya menggunakan metode delignifikasi, menggunakan reagen pengoksidasi kuat pada pH rendah atau tinggi dan suhu tinggi. Metode tersebut meliputi klor dioksida, klor-piridin, klor-etanol amina, klor-1,4-dioksan, klorit asam, dan asam perasetat. Metode natrium klorit banyak digunakan untuk analisis holoselulosa dengan karena prosedur pemisahan sederhana dan delignifikasi cepat. Artikel ini memaparkan sejumlah metode analisis holoselulosa, prinsip penentuan, reaksi, keunggulan dan kelemahan masing-masing metode sehingga dapat memberikan gambaran untuk memilih metode yang sesuai dan akurasi masing-masing metode tersebut.Holocellulose Analysis: A Review of Conventional Chemical Analysis MethodsAbstractHolocellulose is a carbohydrate fraction that is a combination of cellulose and hemicellulose. Holocellulose fraction is important because it is the raw material used to be processed into various high-value products. Holocellulose content varies among various wood species. Holocellulose analysis is important to gain information on the characteristics and quality of raw materials, optimize the utilization of raw material sources, and improve process efficiency so that it is possible to commercialize the process of converting biomass into other high-economical materials. The principle of holocellulose analysis by conventional chemistry method is fractionation and isolation by removing lignin, extractives, and ash, but keeping cellulose and hemicellulose intact. Holocellulose analysis methods usually use the delignification method, using strong oxidizing reagents in low or high pH and high temperatures. Such methods include chlorine dioxide, chlorine-pyridine, chlorine-ethanol amine, chlor-1,4-dioxane, acid chlorite, and peracetic acid. The sodium chlorite method is widely used for the analysis holocellulose because of its simple separation procedure and rapid delignification. This article presents several holocellulose analysis methods, principles of determination, reactions, strengths, and weaknesses of each method to provide an overview for selecting the appropriate method and the accuracy of each method.Keywords: holocellulose analysis, conventional analytical chemistry method, delignification