activated carbon adsorption applications

... the adsorption of colour on DP activated carbon takes place as monolayer adsorption on a surface that is homogeneous in adsorption affinity [24] By comparing the adsorption capacity of DP activated ... multilayer adsorption due to the presence of energetically heterogenous adsorption sites [27] Langmuir isotherm model of the DP activated carbon prepared showed relatively large COD adsorption with adsorption ... using powdered activated carbon augmented activated sludge in landfill leachate Halim et al [7] studied a comparison study of ammonia and COD adsorption on zeolite, activated carbon and composite...

Ngày tải lên: 05/09/2013, 16:10

... and Carbon Disulfide 272 5.3 Activated Carbon Adsorption in Nuclear Technology 277 5.4 Activated Carbon Adsorption in Vacuum Technology 279 5.5 Medicinal Applications of Activated ... 227 References 238 Chapter Activated Carbon Adsorption Applications 243 5.1 Liquid Phase Applications of Activated Carbon Adsorption 244 5.1.1 Food Processing ... Medicinal Applications of Activated Carbon Adsorption 279 5.6 Activated Carbon Adsorption for Gas Storage 289 References 292 Chapter Activated Carbon Adsorption and Environment:...

Ngày tải lên: 11/03/2014, 23:35

... a granular activated carbon biofilm reactor Appl Microbiol Biotechnol 52, 722-729 De Walle F B and Chian E S K (1977) Biological regeneration of powdered activated carbon added to activated sludge ... powdered activated carbon Water Research 13, 1225-1231 Xiaojian Z., Zhansheng W., and Xiasheng G (1991) Simple combination of biodegradation and carbon adsorption- the mechanism of the biological activated ... the adsorption capacity of PAC for 3,5-DCP To clarify the effect of biofilm on the adsorption capacity of PAC, PAC covered with biofilm was made and its adsorption capacity was compared to the adsorption...

Ngày tải lên: 05/09/2013, 08:40

... improved its arsenic adsorption capacity When comparing rapid small-scale column tests (RSSCT) results, ironpreloaded carbon could get over 200 times longer bed life than non-modified carbon Although ... Non-linear plot for adsorption isotherms for AC-Fe, particle size 0.45-0.71mm, CA,0 1.11 - 8.60mg/L, dose 5g/L, pH of synthetic groundwater (pH8.18) Adsorption kinetics Two most popular adsorption kinetic ... the process kinetics of adsorption From equation (1), the use of n=1 from calculation and the assumption in section 3.1 (adsorption equilibrium), gives the overall rate of adsorption/ de-sorption...

Ngày tải lên: 05/09/2013, 09:38

... of a granular activated carbon In a granular activated carbon contact basin, virgin carbon is domestic activated carbon made from palm shell, reactivated carbon means activated carbon produced ... facilities, and spent carbon is activated carbon used for over years The specification of three carbons are expressed in Table Table The specification of activated carbons Spent* Reactivated** Virgin** ... according to kinds of activated carbon like spent or reactivated carbon: at the L water position before backwashing, spent carbon( the 16th basin) required of air wash, and reactivated carbon( the 19th)...

Ngày tải lên: 05/09/2013, 08:40

... Propagation Theory Dye Adsorption by Activated Carbon, Ind Eng Chem Res 1998, 37, 253-257 [7] Walker, G and Weatherley, L Adsorption of Acid Dyes on to Granular Activated Carbon in Fixed Beds, ... contact of dye solution with carbon particles In order to prevent carbon leakage or attrition, glass wool was added above and under the activated carbon bed Before the adsorption test commenced, ... Table shows physical and chemical characteristics for the activated carbons 3.2 Procedure In order to confirm the applicability of activated carbons for dye recovery, breakthrough curves were determined...

Ngày tải lên: 05/09/2013, 16:11

... Natural Gas Acetone Acetyelene Black Acrylic Copolymer Emulsion Activated Alumina Activated Calcium Carbonate Activated Carbon Activated Fuller Earth Aerosol Silicon Spray Aluminium Phosphite ... Chloro Acetyl Chloride Charcoal Carbon Black From Fertilizer Waste Carbon Brushes Carbon Dioxide Carbon Black Chloro Ethyl Caustic Soda Charcoal From Coconut Shell Carbon Monoxide Calcium Carbide ... Acid (Phenol) Carbon Black From Furnace Oil Carbon Black From Natural Gas Carbon Black From Anthracene Oil Citric Acid From Grape Pulp Carboxymethyl Cellulose (CMC) Carbon Dioxide Carbon Tetra...

Ngày tải lên: 22/03/2014, 14:20

Ngày tải lên: 12/07/2014, 09:20

... of the Sulzol Blue R adsorption on activated carbon with initial solution concentrations of 20ppm and 40ppm a) Weight of activated carbon: ca 0,3gr b) Weight of activated carbon: ca 0,6gr NGHIÊN ... Procion Yellow HE-XL adsorption on activated carbon with initial solution concentrations of 20ppm and 40ppm a)Weight of activated carbon: ca 0,3gr b) Weight of activated carbon: ca 0,6gr a) b) Figure ... of activated carbon: ca 0,3gr b) Weight of activated carbon: ca 0,6gr Trang 102 TẠP CHÍ PHÁT TRIỂN KH&CN, TẬP 11, SỐ 08 - 2008 a) b) Figure Kinetic behaviours of the Procion Yellow HE-XL adsorption...

Ngày tải lên: 22/07/2014, 03:20

... properties of activated carbons Carbon, 37(8), 1323 –1332 Moreno-Castilla, C., Lopez-Ramon, M V & Carrasco-Marin, F (2000) Changes in surface chemistry of activated carbons by wet oxidation Carbon, ... and crystal sizes in turbostatic carbons Carbon, 1(1), 3–9 Noh, J S & Schwarz, J A (1990) Effect of HNO3 treatment on the surface acidity of activated carbons Carbon, 28(5), 675–682 Pradhan, B ... copper based activated carbon catalysts for methanol decomposition to hydrogen and carbon monoxide Fuel, 82(7), 755–763 Zhao, J., Liu, Z & Sun, D (2004) TPO-TPD study of an activated carbon- supported...

Ngày tải lên: 07/08/2014, 14:20

... = activated carbon, ZC = activated zeolite, MAC = 2.5% (w/w) Se /activated carbon, MAC2 = 5% (w/w) Se /activated carbon and MZC = 5% (w/w) Se /activated zeolite Preparation of Selenium-Doped Activated ... used without further purification Preparation of Selenium-Doped Activated Carbon 2.3 14 Preparation of MAC (2.5% w/w Se /Activated Carbon) A 1000 mg/l Se solution was prepared by dissolving 0.25 ... relatively expensive, we thus extend this research by preparing activated carbon (AC) doped with Se to produce a modified activated carbon (MAC) AC has been applied both in laboratories and industries...

Ngày tải lên: 07/08/2014, 14:20

... method use objects: the flocculation materials is aluminum Al2(SO4)3 percent, adsorption materials is adtivated carbon PAC, Microfiltration (commonly abbreviated to MF) to sterilize water of...

Ngày tải lên: 25/11/2014, 11:51

Ngày tải lên: 25/11/2014, 11:53

... Các yếu tố ảnh hưởng đến trình hấp phụ 14 1.5 Tổng quan than hoạt tính (PAC: Powdered Activated Carbon) 15 1.5.1 Cơ chế hấp phụ than hoạt tính 15 1.5.2 Đặc tính than hoạt tính ... COD : Chemical Oxygen Demand MF : Micro Filtration NF : Nanofiltra Filtration PAC : Powdered Activated Carbon QCVN : Quy Chuẩn Việt Nam BOD : Biochemical Oxgen Demand BYT : Bộ Y Tế COD : Chemical ... Đối tượng nghiên cứu  Nước sông Đồng Nai sau trình keo tụ  Than hoạt tính (PAC_Powdered Activated Carbon)  Màng lọc vi lọc (MF_Micro Filtration) Phương pháp nghiên cứu  Phương pháp lý thuyết...

Ngày tải lên: 25/11/2014, 11:53

... Introduction Activated carbon and cerium oxide have been widely studied among carbon based adsorbents and metal oxides adsorbents for their extensive applications For various technical applications, activated ... modified activated carbon (HCO-AC) In order to compare the adsorption performance among different cerium -carbon fabricated materials, we take the other portion of treated particle activated carbon ... 14 3.4 Adsorption experiments 15 3.4.1 Preliminary adsorption experiment 15 3.4.2 As(V) and As(III) adsorption 16 iv 3.4.3 Pb(II) adsorption 17 3.5 Adsorption...

Ngày tải lên: 30/09/2015, 10:12

... contributing to formation of porous carbons N2 adsorption tests suggest cold compression of HEC prior carbonization is effective in producing highly porous carbon powder Microscopic analysis by ... Introduction Porous or activated carbon (AC) is conventionally used as an absorbent for water and gas purification applications It is an irreplaceable material due to the high adsorption capability ... on the synthesis techniques of porous carbons Porous carbons can be produced in the powdered form or a more defined bodily form such as carbon monoliths Carbon monoliths demonstrate higher mechanical...

Ngày tải lên: 02/10/2015, 17:14

... Biological activated carbon process 2.3.1 Activated carbon adsorption Activated carbon has been used for a long time in water and wastewater treatment Adsorption capacity of activated carbon is ... process in oily wastewater treatment 2.3 Biological activated carbon process 2.3.1 Activated carbon adsorption 2.3.2 Biological activated carbon process 2.3.3 MBR process coupled with BAC process ... investigate the oil adsorption isotherm of powdered activated carbon to investigate the biodegradation of oily wastewater in the activated sludge process and biological activated carbon (BAC) process...

Ngày tải lên: 20/06/2016, 15:42

... fractions of carbon stored as PHA were calculated from the carbon mass balances in the anaerobic or microaerophilic zone of these studied reactors MATERIALS AND METHODS Activated sludge reactors Activated ... of dissolved organic carbon (DOC), activated- sludge-mixed liquor was filtrated with glass microfibre membrane GF/C (Whatman International Ltd Maidstone, England) Organic carbon concentration ... for MUCT, SBR-1 and SBR-2 Figure - Carbon flow model in a continuous activated sludge process RESULTS AND DISCUSSION The concentration of PHA found in the activated sludge reactors As shown in...

Ngày tải lên: 05/09/2013, 09:38

... copper Indeed, the adsorption capacity of rice husk carbon and its activated form was lesser by approximately 4.8-5.5 times as compared to that of the calcium-modified rice husk carbon (Mondal et ... spread Adsorption isotherm The distribution of arsenic between the liquid phase and the solid phase at equilibrium of the adsorption process can be described by the adsorption isotherm Several adsorption ... to develop a new adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal...

Ngày tải lên: 05/09/2013, 09:38

... ordered carbon nanotube array formed in this way is shown in Fig 1͑b͒ The resultant carbon nanotube arrays were characterized using SEM Figures 3͑a͒ and 3͑b͒ show SEM micrographs of carbon nanotube ... inexpensive production of large arrays of ordered carbon nanotubes with controllable dimensions needed for practical applications The physical mechanism of carbon nanotube growth by the catalytic decomposition ... of the mean diameter ͓Fig 3͑a͒, Li et al FIG Highly-ordered carbon nanotube arrays ͑a͒ SEM image showing oblique view of periodic carbon nanotube array The inset at the lower left is an enlarged...

Ngày tải lên: 19/03/2014, 16:48