scholarly journals PENGARUH PENAMBAHAN AKTIVATOR ZnCl2, KOH, DAN H3PO4 DALAM PEMBUATAN KARBON AKTIF DARI PELEPAH AREN (Arenga Pinnata)

2015 ◽  
Vol 4 (1) ◽  
pp. 47-52 ◽  
Author(s):  
Marina Olivia Esterlita ◽  
Netti Herlina

This research aimed to determine the effect of carbonization temperature and activator agent in making activated carbon, and also determine the optimum temperature, and best activator agent. The raw material used is kind of lignocellulosic like palm frond. The palm fronds cleaned and chopped, then it soaked in each activator solution include KOH, ZnCl2, and H3PO4 at room temperature for 24 hours. After that, palm fronds carbonized in the furnace at a temperature of 4000C, 5000C, and 6000C in 1 hour. Carbon washed by aquadest until its netral, after that calculated the yield of charcoal, moisture content, and absorption ability of the iodine solution. The highest yield obtained in the activated carbon which impregnated by ZnCl2 at the temperature 4000C which is 82,04%. The best water content of activated carbon obtained in the activated carbon impregnated by H3PO4 of 6% which is the lowest one. Activated carbon which has the largest number of iodine absorption was also obtained on the active carbon carbonized at a temperature of 5000C and activated by H3PO4 which is 767.745 mg iodine / g of activated carbon, and the value is in compliance with SNI.

Omni-Akuatika ◽  
2020 ◽  
Vol 16 (1) ◽  
pp. 77
Author(s):  
Khuril Zaqyyah ◽  
Sri Subekti ◽  
Mirni Lamid

Production of seaweed processing generates a huge amount of waste, either waste solid or liquid waste. For solid waste contains a lot of organic carbon derived from cellulose or hemicellulose. Therefore, the solid waste that has the potential as a raw material of activated carbon. This study aims to determine the characteristics of the activated carbon produced from solid waste agar and determine the optimal concentration of activator that produced the best characteristics of the activated carbon. The treatment used is a different activator concentration which is designed using completely randomized design (CRD) with five treatments and four replications. The results showed the five treatments are significant differences in the characteristics of the ash and pure active carbon content. This study shows that the manufacture of activated carbon industrial solid waste agar with a different activator concentration influence on the characteristics of the active carbon with ash content parameter and pure active carbon content. The concentration of activator that can provide the highest value of pure activated carbon is in P5 with a concentration of 6 M. Based on this study are advised to do further research on how to lower the ash content of the activated carbon from solid waste agar.


2012 ◽  
Vol 506 ◽  
pp. 607-610 ◽  
Author(s):  
N. Thongjun ◽  
Lerpong Jarupan ◽  
Chiravoot Pechyen

Oil palm frond pulp (OPF) was blended with activated carbon for the purpose of active packaging in this preliminary study. It was aimed to investigate the effect of in-situ activated carbon on physical and mechanical properties of the pulp handsheets made from OPF. Testing of property performances of the resulted handsheets included density, moisture content, thickness swelling, folding, tensile strength, %elongation, stiffness, and modulus of rupture. Ultimately, the intention is to use for prospected active packaging for fresh produce. OPF pulp was prepared by the kraft process. The pulp stock was mixed with different proportions of activated carbon (0, 10, 20, and 30% w/w). The results showed that an increased proportion of activated carbon decreased density and thickness selling, but had no effect on moisture content.


2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Zhigang Xie ◽  
Wei Guan ◽  
Fangying Ji ◽  
Zhongrong Song ◽  
Yanling Zhao

In order to improve adsorption of macromolecular contaminants and promote the growth of microorganisms, active carbon for biological wastewater treatment or follow-up processing requires abundant mesopore and good biophile ability. In this experiment, biophile mesopore active carbon is produced in one-step activation with orange peel as raw material, and zinc chloride as activator, and the adsorption characteristics of orange peel active carbon is studied by static adsorption method. BET specific surface area and pore volume reached 1477 m2/g and 2.090 m3/g, respectively. The surface functional groups were examined by Fourier transform infrared spectroscopy (FT-IR). The surface of the as-prepared activated carbon contained hydroxyl group, carbonyl group, and methoxy group. The analysis based on X-ray diffraction spectrogram (XRD) and three-dimensional fluorescence spectrum indicated that the as-prepared activated carbon, with smaller microcrystalline diameter and microcrystalline thickness and enhanced reactivity, exhibited enhanced adsorption performance. This research has a deep influence in effectively controlling water pollution, improving area water quality, easing orange peel waste pollution, and promoting coordinated development among society, economy, and environment.


2019 ◽  
Vol 2 (1) ◽  
pp. 66-71
Author(s):  
Saisa Saisa ◽  
Husni Husin ◽  
Mahidin Mahidin

Penelitian ini menggunakan pelepah sawit sebagai sumber holoselulosa yang dikonversi menjadi bahan baku bioetanol (gula total). Penelitian ini bertujuan untuk mempelajari proses pretreatment organosolv berpelarut etanol dan hidrolisa asam terhadap konversi pelapah sawit menjadi gula. Proses pembuatan gula dari pelepah sawit diawali dengan melakukan proses delignifikasi dan dilanjuti dengan proses hidrolisa. Proses delignifikasi berlangsung pada kondisi dengan variasi konsentrasi etanol 35%, 55%, 75%, dan 90% v/v temperatur 100 dan 120 °C dan waktu reaksi 60 dan 90 menit. Selanjutnya untuk proses hidrolisa menggunakan asam sulfat dengan variasi konsentrasi 1%, temperatur 60, 70, 80, 90 dan 100 °C dan waktu reaksi 15, 30, 45, 60 dan 75 menit. Hasil penelitian menujukkan bahwa pada kondisi delignifikasi dengan konsentrasi C2H5OH 75%, temperatur 120 °C, selama 60 menit, serta 1% katalis (H2SO4) dan pada kondisi hidrolisa H2SO4 1%, waktu 30 menit, dan temperatur 90 °C diperoleh yield total gula tertinggi sebesar 93,65 mg/L.   This study used palm fronds as a source of holocellulose which was converted into bioethanol raw material (total sugar). This study aimed to study the organosolv pretreatment process with ethanol solution and acid hydrolysis towards the conversion of palm fronds oil into sugar. The process of sugar production of palm fronds began with a delignification process and continued with the hydrolysis process. The delignification process took place in conditions with variations in ethanol concentration of 35%, 55%, 75%, and 90% (v/v) temperatures of 100 and 120°C and reaction times of 60 and 90 minutes. Furthermore, the hydrolysis process used sulfuric acid with a variation of 1% concentration, temperature 60, 70, 80, 90 and 100°C and reaction time of 15, 30, 45, 60 and 75 minutes. The results showed that in the delignification conditions with a concentration of C2H5OH 75%, temperature of 120°C, for 60 minutes, and 1% catalyst (H2SO4) and hydrolysis conditions H2SO4 1%, 30 minutes time, and the temperature of 90°C, the highest total sugar yield of 93.65 mg/L was obtained.


Neft i gaz ◽  
2020 ◽  
Vol 3-4 (117-1118) ◽  
pp. 169-179
Author(s):  
N.O. APPAZOV¹, ◽  
◽  
B.M. BAZARBAYEV¹, ◽  
N.I. AKYLBEKOV¹*, ◽  
R.U. ZHAPPARBERGENOV¹, ◽  
...  

Co-thermolysis of rice husk and straw with oil sludge was carried out in order to obtain a widely used adsorbent – activated carbon. Carbonization was carried out in a tubular furnace made of stainless steel at a temperature of 500°C and the activation of carbonization was carried out with water vapor at a temperature of 800°C. The influence of the ratio of the initial components of the raw material (husk / straw:oil sludge) on the properties of the product was studied. The ЭКОЛОГИЯ 172 НЕФТЬ И ГАЗ 2020. 3–4 (117–118) optimal ratio for co-thermolysis of the husk: oil sludge is 9:1 (by weight), respectively. The optimal condition for the production of activated carbon by co-thermolysis of rice straw and oil sludge is a carbonization temperature of 500°C with a duration of 100 min, activation of the carbonizate at a temperature of 850°C and with a ratio of water:carbonizate = 2:1. Indices such as iodine adsorption activity, total pore volume in water, mass fraction of moisture, and bulk density were studied. The microstructures of the obtained activated carbons were studied on a scanning scanning electron microscope. Activated carbon obtained by the joint processing of rice husk and oil sludge in a ratio of 9:1 corresponds to activated carbon brand DAK. The resulting product based on rice straw and oil sludge corresponds to the activated carbons BAU-MF, BAU-A and BAU-Ats.


2021 ◽  
Vol 5 (2) ◽  
pp. 157-163
Author(s):  
Sarifah Mudaim ◽  

Candlenut (Aleurites moluccana) is a plant with various benefits. Currently, candlenut is mostly used as a spice, candlenut shells also has a high calorific value so that it can be used as fuel. Candlenut has shells which is an organic waste. Candlenut shells have a hard texture and high carbon content. Most of the candlenut shell is used as fuel and only a small part is used as raw material for carbon production. Candlenut shell have good physical and chemical properties as carbon raw materials. Activated carbon is one of the carbon phases that can be used for various applications. In this paper, we report on the synthesis and characterization of carbon from candlenut shells to obtain high-quality carbon by controlling the carbonization temperature. In carbon production, we use variations in carbonization temperatures of 300, 400, 500, 600 and 700 C. Proximate analysis was carried out to determine the moisture content, ash content, volatile matter content and bound carbon content. Analysis of the effect of carbonization temperature on the quality of carbon from candlenut shells resulted in the highest carbon in the sample with a temperature of 700 C, producing carbon with 5.32% moisture content, 9.40% ash content, 12.76% volatile matter content, and fix carbon content 72,52%


2018 ◽  
Vol 6 (3) ◽  
pp. 100-103
Author(s):  
Alarqam Z. Tareq ◽  
Mohammed S. Hussein ◽  
Pyman A. Abdujabar

In his study activated carbon was prepared from Helhelok stones as a raw material by using chemical activation with zinc chloride (ZnCl2) as a chemical agent with the concentration 40% for 25h at (25⁰C±2). The optimum conditions were approved in having carbonization temperature 400ᵒC for 1h to get a maximum percentage of yield 56%. Other properties of the prepared activated carbon were also studied such as pH, ash content, density, moisture content, conductivity, iodine number and methylene blue dye absorbance. Eventually the prepared activated carbon in this work has obtained good characteristics that make it play an essential role in industrial uses and compared it with commercial standard sample from B. D. H Company.


2008 ◽  
Vol 5 (1) ◽  
pp. 47 ◽  
Author(s):  
O. Houache ◽  
R. Al-Maamari ◽  
B. Al-Rashidi ◽  
B. Jibril

Activated carbon adsorbent was prepared using Omani date palm tree stem as a precursor. Precursor samples were subjected to thermal treatment (at 400, 500 and 600 oC) before or after impregnation with either H3PO4 (85 wt %) or KOH (3 wt %). The activated carbon obtained was characterized by BET (surface area and porosity), Gas Pycnometry (true density) and SEM (texture). Sample subjected to carbonization, without chemical activation, exhibited low surface areas ~ 1.0 m2/g at 400 and 500 oC and 124 m2/g at 600 oC. Further treatment of such samples with either the acid or the base did not show improvement in surface area or other properties. Impregnations of the precursor with acid before carbonization significantly improved the surface area to as high as 1,100 m2/g at a carbonization temperature of 500 oC. Thus, activated carbon with a moderate surface area could be produced from date palm stem using low carbonization temperature. 


2017 ◽  
Vol 890 ◽  
pp. 40-43
Author(s):  
Bahruddin ◽  
Zuchra Helwani ◽  
Russita Martani

Palm frond waste is a lignoselulose material that is abundant availability in Indonesia. The material has potential to be used as raw material for wood plastic composite material (WPC). The purpose of this reseach was to study the effect of levels of treated palm frond (TPF) and maleated polypropylene (MAPP) compatibilizer to the properties and morphology of the palm frond-based WPC. As thermoplastic component was used polypropylene (PP). Extractable components from palm fronds removed with water washing and drying. The WPC samples were prepared by mixing PP, TPF, MAPP and paraffin in the internal mixer at temperature of 170°C and rotor speed of 80 rpm for 15 minutes. The mass ratio of PP/TPF was varied with 50/50, 60/40 and 70/30 w/w. The MAPP levels was varied with 0%, 4% and 5% w/w. Paraffin was used as a palsticizer with a level of 2% w/w. The testing included tensile and flexural properties by using universal testing machine (UTM) according to ASTM D-678 and ASTM D-790 standards, respectively. Other testing also conducted for morphology by using scanning electron microscope (SEM) and water adsorption test. The result indicate that the best properties of the WPC sample obtained at PP/TPF mass ratio of 60/40 w/w and MAPP level of 5% w/w, with tensile strength of 156 kgf/cm2 and flexural strength of 598 kgf/cm2 with water adsorption of 1.4% w/w.


2014 ◽  
Vol 662 ◽  
pp. 125-128 ◽  
Author(s):  
Xue Fei Lei ◽  
Chen Chen ◽  
Xing Li ◽  
Xiang Xin Xue ◽  
He Yang

In this paper, steel slag as the main raw material, modified steel slag adsorbent was prepared using steel slag and the active carbon as the starting materials. The influences of doping substance, the particle size, calcining temperature and doping ratio on the decoloration rate of methyl orange wastewater were investigated. The results showed that the decoloration rate of methyl orange can reach 93.62% when the doping substance was the activated carbon, the particle size was 120 mesh, the calcining temperature was 700°C, the doping ratio was 1:1.


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