... far the same synthesis, utilizing quartz instead f rice husk ash silica, amounted to 78 KCal,male 1, Consequent- /, amorghous form of rice husk Bids peoved to be many times more *active than ... Electron Micrascopy ig 72 Trang 11Preparation of REA Silica re-Treatment of Rice Husk RHA Content Pyroprocessing of Rice Husk Purification of RHA Silica TrentmentE with an Oxidant Alkali Leaching ... Proserties of the Tile Bodies 2.12.8 Drying and Firing Shrinkage 1 Pyroprocessing of Rice Husk 1,1 RHA Content 1.2 Rice Husk Ash Silica 1.3 Amorphous Phase Content of RHA 2 Purificaiton of RHA Silica
Ngày tải lên: 20/10/2014, 21:48
... Super-capacitors from activated carbon derived from banana fibers, J Phys Chem C 111 (2007) 7527e7531, https://doi.org/10.1021/jp067009t [28] R Azargohar, A.K Dalai, Production of activated carbon from Luscar ... will produce activated carbons with high iodine number, high dyes removal, as well as high methylene blue index From the experimental results, the optimized activated carbon sample activated at ... HNO3 (65%) was provided from Sharlau (Spain) NaOH (99%) from Merck (Germany), potassium iodide (KI) (100%) was obtained from Pharmac (Morocco) 2.2 Preparation of activated carbons The T transtagana
Ngày tải lên: 24/09/2020, 04:49
Statistical optimization of activated carbon from Thapsia transtagana stems and dyes removal efficiency using central composite design
... Super-capacitors from activated carbon derived from banana fibers, J Phys Chem C 111 (2007) 7527e7531, https://doi.org/10.1021/jp067009t [28] R Azargohar, A.K Dalai, Production of activated carbon from Luscar ... will produce activated carbons with high iodine number, high dyes removal, as well as high methylene blue index From the experimental results, the optimized activated carbon sample activated at ... HNO3 (65%) was provided from Sharlau (Spain) NaOH (99%) from Merck (Germany), potassium iodide (KI) (100%) was obtained from Pharmac (Morocco) 2.2 Preparation of activated carbons The T transtagana
Ngày tải lên: 05/02/2021, 11:04
Statistical optimization of activated carbon from thapsia transtagana stems and dyes removal efficiency using central composite design
... nanomaterials [12-16] From economic point of view, the process of adsorption onto activated carbon is advantageous due to the plentiful accessibility of low cost raw material Also, activated carbon is basically ... process converts carbonized materials to activated Trang 5carbon via heating Carbon dioxide, air or steam is used as a physical activation method to develop the porosity of the carbonaceous materials ... method produces an activated carbon with higher yield and well developed microporosities The objective of this research was to investigate the feasibility of activated carbon produced from Thapsia
Ngày tải lên: 17/03/2021, 20:22
production and characterization of granular activated carbon from activated sludge
... that activated sludge is a promising low cost precursor for the production of activated carbon Keywords: Activated carbon; Activated biomass; Sulphuric acid activation; Carbon activation; Activated ... Activated carbon characterization; Spectroscopic analysis INTRODUCTION Activated carbons are carbonaceous materials that can be distinguished from elemental carbon by the oxidation of the carbon ... Physical properties of the produced activated carbon compared with the commercial carbon obtained from Norit Figure 2: FT-IR spectrum for activated carbon from sludge The region 450-750 cm-1
Ngày tải lên: 04/12/2022, 16:07
ĐẶC ĐIỂM HÓA LÝ CỦA THAN SINH HỌC ĐIỀU CHẾ TỪ VỎ TRẤ U- PHYSICAL AND CHEMICAL CHARACTERIZATION OF BIOCHAR DERIVED FROM RICE HUSK
... THAN SINH HỌC ĐIỀU CHẾ TỪ VỎ TRẤU- PHYSICAL AND CHEMICAL CHARACTERIZATION OF BIOCHAR DERIVED FROM RICE HUSK Article · January 2016 CITATIONS 0 READS 6,464 1 author: Some of the authors of this publication ... this publication are also working on these related projects: "Research on the efficiency of rice husk biochar on the growth of vegetables on loamy sand in Thua Thien Hue province" Code: ... của một số loại rau trên đất cát pha ở Thừa Thiên Huế" "Research on the efficiency of rice husk biochar on the growth of vegetables on loamy sand in Thua Thien Hue province" Project
Ngày tải lên: 09/03/2024, 08:22
Kinetic and equilibrium study on the adsorption of methylene blue from aqueous solution onto coffee husk activated carbon (Hnue Journal Of Science)
... adsorbate Activated carbon developed from coffee husk by one step ZnCl2 activation was used as adsorbent The preparation of AC is summarized as following: Coffee husks (Arabica) were collected from ... study, the adsorption kinetics and equilibrium of methylene blue from aqueous solution onto activated carbon derived from coffee husk using one step ZnCl2 activation were investigated The influence ... adsorbents have been used for dye elimination from wastewater, such as perlite [2], orange peel [3], sugar beet pulp activated carbon [4], and kaolin [5] Apart from general requirements for adsorbents,
Ngày tải lên: 24/09/2020, 03:49
Kinetic and equilibrium study on the adsorption of methylene blue from aqueous solution onto coffee husk activated carbon
... Trang 2Activated carbon developed from coffee husk by one step ZnCl2 activation was used as adsorbent. The preparation of AC is summarized as follows: Coffee husks (Arabica) were obtained from a coffee mill in Son La Province of Vietnam. It was washed, dried, grounded, and sieved to ... The adsorption kinetics and equilibrium of methylene blue from aqueous solution onto activated carbon derived from coffee husk using one step ZnCl2 activation were investigated. The influence of initial methylene blue concentration and temperature were evaluated employing the ... Various adsorbents have been used for dye elimination from wastewater, such as perlite [2], orange peel [3], sugar beet pulp activated carbon [4], and kaolin [5]. Apart from general requirements for adsorbents,
Ngày tải lên: 24/09/2020, 04:06
Chromium vi removal from aqueous solution by using silver nano activated carbon
... humans from different routes 2.3 Coconut shell activated carbon From this analysis it is found out that, the fixed carbon content of coconut shell activated carbon is higher than rice husk and ... to make activated carbon Besides, silver nano particles as a catalyst for modifying activated carbon to increase the adsorption capacity of activated carbon In this study, the activated carbon ... Loading of Silver Nanoparticles onto the Activated Carbon Granules o Activated carbon (AC): AC derived from activated carbon coconut shells, purchased from Tra Bac Company, Vietnam o Silver nanoparticles
Ngày tải lên: 13/04/2021, 07:27
Synthesis of KOH-activated carbon aerogel for the efficient removal of crystal violet from aqueous solutions
... the authors' research, there have been no studies on carbonizing aerogel from jackfruit’s core for gas adsorption In this study, carbon aerogel from jackfruit core was synthesized to enhance the ... Porous Carbons Derived from Artocarpus heterophyllus Seed” ACS Applied Energy Materials, 4(11), 12257-12266, (2021) [12] DAT, Nguyen Tien, et al “Carbon sequestration through hydrothermal carbonization ... malachite green dye from aqueous solution” Arabian Journal of Chemistry, 9: p S707-S716, (2016) [16] Akar, E., A Altinişik, and Y Seki, “Using of activated carbon produced from spent tea leaves
Ngày tải lên: 27/01/2023, 13:26
semester report removal of heavy metals from aqueous environment by low cost adsorption materials rice husk and its ash
... 4 3 Absortion 4 4 Characterizations of rice husk and rice husk ash 6 II USING RICE HUSK TO REMOVE HEAVY METAL 6 1 Methods 7 1.1 Treatment of rice husk 7 2 Results and discussion 7 2.1 Effect ... removed very effectively with rice husk as an adsorbent This article presents a brief review on the role of rice husk and rice husk ash in the removal of heavy metal from wastewater Studies on the ... recovery of Cd(II) from synthetic wastewater by column operation was better than a batch process.(Ajmal et al., 2003) 1 Methods 1.1 Treatment of rice husk Rice husk was obtained from a local mill,
Ngày tải lên: 08/05/2024, 16:28
a study on fe adsorption using hierarchical 3 porous activated carbon synthesized from seafood wastecrab shells and agricultural wastedurian shell
... adsorbent after using Activated carbon can be produced from high- carbon resources such seafood waste, wood, and industrial waste Consequently, the properties of activated carbon are influenced ... burning to ash After carbonization, the biochar from 2 different materials is collected 3.2.2 Preparation of activated carbon using KOH Biochar is modified to activated carbon in a furnace at ... Zeolite, low cost activated carbons are still a feasible and suitable materials to conduct low concentration metal ion adsorption because activated carbon could be synthesized from agricultural
Ngày tải lên: 23/07/2024, 17:02
removal of heavy metals from aqueous environment by low cost adsorption materials rice husk and its ash
... removed very effectively with rice husk as an adsorbent This article presents a brief review on the role of rice husk and rice husk ash in the removal of heavy metal from wastewater Studies on ... 111 111111 11H k TH KH KH KH K TH kh 4 4 Characterizations of rice husk and rice husk ash 5 2 2223221221222 sesk2 6 II USING RICE HUSK TO REMOYVE HEAVY ME,TALL, - < 5 ề5 +<<+ 6 1.1 ... recovery of Cd(II) from synthetic wastewater by column operation was better than a batch process.(Ajmal et al., 2003) 1 Methods 1.1 Treatment of rice husk Rice husk was obtained from a local mill,
Ngày tải lên: 27/09/2024, 19:40
Điều chế nano carbon hoạt tính từ bã mía Ứng dụng làm chất hấp phụ xử lý nước thải (preparation of activated carbon nano from sugarcane bagasse as adsorption for wastewater treatment application)
... nano carbon hoạt tính gồm những giai đoạn nào? Trình bày đặc điểm của mỗi giai đoạn? II.2 Vấn đề nghiên cứu - Nghiên cứu chế tạo nano carbon hoạt tính từ bã mía (activated carbon nano from sugarcane ... Lĩnh vực: HÓA HỌC Tên dự án: ĐIỀU CHẾ NANO CARBON HOẠT TÍNH TỪ BÃ MÍA ỨNG DỤNG LÀM CHẤT HẤP PHỤ XỬ LÝ NƯỚC THẢI (Preparation of activated carbon nano from sugarcane bagasse as adsorption for ... quan về nano carbon hoạt tính, đặc điểm cấu trúc và tính chất hấp phụ của nano carbon hoạt tính; - Các phương pháp điều chế nano carbon hoạt tính III.2 Phương pháp tổng hợp nano carbon hoạt tính
Ngày tải lên: 10/11/2024, 20:13
Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon
... 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 of both As[III] and As[V] from ... 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 al., 2007b) Since the untreated rice ... estimated maximum sorption capacity of quaternized rice husk was 19 mg/g Mondal et al (2007b) reported that both rice husk carbon (RH) and activated carbon (GAC) had lesser arsenic removal capacity,...
Ngày tải lên: 05/09/2013, 09:38
Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... column tests (RSSCT) results, ironpreloaded carbon could get over 200 times longer bed life than non-modified carbon Although iron-modified activated carbon (AC-Fe) is known as a good adsorbent, ... and Bikash M (2007) Removal of Trivalent Arsenic (As(III)) from Contaminated Water by Calcium Chloride (CaCl2)-Impregnated Rice Husk Carbon Ind Eng Chem Res., 46, 2550-2557 Rupa B., Debashis C ... remove arsenic from groundwater for ready applicability in rural areas, especially in developing and poor countries This work aims to study the adsorption column for removal of arsenic from synthetic...
Ngày tải lên: 05/09/2013, 09:38
NCKH BLACK CARBON EMISSION FROM RICE STRAW OPEN BURNING IN SOME PROVINCES OF THE RED RIVER DELTA
... and ecosystem The RRD is the second most important rice- producing area in Vietnam; rice cultivation generates huge amounts of rice straw Burning rice straw in the field becomes a popular activity ... 3.2 Estimate Black Carbon emission 3.3 Compare the results of the two approaches 3.4 Measurement of Black Carbon 3.5 Solution to reduce rice straw open burning Chapter 1.1 Black carbon • • Production ... wood, ) 14 1.3 Rice straw burning in the fields energy replace for rice straw Using other fuels such as gases, biogas, wood, solar Using tiled roofs and roofslab replace for rice straw Rice Straw...
Ngày tải lên: 10/05/2016, 10:44
A Study on the Optimum Backwashing Method applied to Activated Carbon Process in Waterworks
... 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** ... the minimum fluidization between spent and reactivated carbon results from the height of an activated- carbon layer and the condition of activated carbon, etc Also, backwashing at the LL water...
Ngày tải lên: 05/09/2013, 08:40
Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge
... 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 ... of PAC for 3,5-DCP in activated sludge was determined supernatant by centrifugation (8,000 rpm, 20 minutes) The adsorption Activated sludge with PAC was separated from From 100 to 200 mg of the ... 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...
Ngày tải lên: 05/09/2013, 08:40
Evaluation of Loading Rate of Nitrogen from Rice-Paddies by Small Watershed Method
... preventing rice- paddies from muddy discharge during the puddling and transplanting practices Rice paddies are flooded from mid-April through August with a drainage period for about ten days from late ... was estimated from the results obtained from continuous observations for three years at a small watershed of rice- paddies MATERIALS AND METHODS Study site The experimental small rice- paddy watershed ... of EPW from the upper end of EPW and not collect any drainage from the outside of EPW The ditch flows at about 200 m downstream into Ezura River The watershed lies between 85.6 and 86.1 m from...
Ngày tải lên: 05/09/2013, 09:38