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Advantages of activated carbon for water treatment activated carbon
#1
Posted 11 December 2020 - 11:37 PM
The advantages of activated carbon for water treatment, several naturally occurring materials are used to produce activated carbon for drinking water filter cartridges. activated carbon suppliers Each raw material has unique advantages in specific applications and is selected according to performance requirements and economic factors. In some cases, coconut shell activated carbon and coal-based activated carbon have several advantages.
Activated carbon is amorphous carbon obtained by heating or burning carbonaceous materials under controlled conditions. The process drives away the volatiles and forms a basic carbon residue made from the activated carbon product.
Common carbonaceous raw materials are coal, oil, lignite, peat, wood, and certain types of nut shells, most commonly coconut shells. pellet activated carbon After the carbonization process, further treatment-activation-is needed to make the product have its unique functional characteristics and performance. Activation is the process of forming internal pores inside the charred carbon particles. These narrow channels provide adsorption sites.
Activated carbon utilizes two main activation processes-steam and chemicals. Most of the carbon used is processed by steam activation. In this process, the pores are opened and expanded, forming complex narrow channels with pores of different sizes.
Each starting carbonaceous material has the inherent property of forming internal pores in different size ranges. Generally speaking, peat and lignite tend to form relatively large pores. Coal-based carbon tends to form a variety of pore sizes (depending on the type and degree of activation).
Coconut shell carbon tends to have a higher volume of pores in the micropore region and a slightly lower volume of pores in the macropore region. This is because coconut shell activated carbon is stronger and more wear-resistant than coal-based activated carbon. As a result, coconut shell activated carbon adsorbs smaller organic molecules, such as chloroform and other trihalomethanes (THM), trichloroethylene (TCE), carbon tetrachloride and MTBE (methyl tertiary butyl ether), while coal-based activated carbon Remove larger molecules, such as color-producing compounds (tannins and humus) more effectively.
In addition, due to the toughness (high adsorption energy) of the micropores of coconut shell activated carbon, once smaller organic molecules are adsorbed, they are retained very tightly. Therefore, compared with other types of activated carbon, coconut shell activated carbon generally has a higher retention capacity for these types of pollutants. For these reasons, coconut shell activated carbon is usually selected for drinking water treatment, mainly to deal with the pollution of organic solvents or disinfection by-products (DBPs) such as THMs.
Activated carbon is amorphous carbon obtained by heating or burning carbonaceous materials under controlled conditions. The process drives away the volatiles and forms a basic carbon residue made from the activated carbon product.
Common carbonaceous raw materials are coal, oil, lignite, peat, wood, and certain types of nut shells, most commonly coconut shells. pellet activated carbon After the carbonization process, further treatment-activation-is needed to make the product have its unique functional characteristics and performance. Activation is the process of forming internal pores inside the charred carbon particles. These narrow channels provide adsorption sites.
Activated carbon utilizes two main activation processes-steam and chemicals. Most of the carbon used is processed by steam activation. In this process, the pores are opened and expanded, forming complex narrow channels with pores of different sizes.
Each starting carbonaceous material has the inherent property of forming internal pores in different size ranges. Generally speaking, peat and lignite tend to form relatively large pores. Coal-based carbon tends to form a variety of pore sizes (depending on the type and degree of activation).
Coconut shell carbon tends to have a higher volume of pores in the micropore region and a slightly lower volume of pores in the macropore region. This is because coconut shell activated carbon is stronger and more wear-resistant than coal-based activated carbon. As a result, coconut shell activated carbon adsorbs smaller organic molecules, such as chloroform and other trihalomethanes (THM), trichloroethylene (TCE), carbon tetrachloride and MTBE (methyl tertiary butyl ether), while coal-based activated carbon Remove larger molecules, such as color-producing compounds (tannins and humus) more effectively.
In addition, due to the toughness (high adsorption energy) of the micropores of coconut shell activated carbon, once smaller organic molecules are adsorbed, they are retained very tightly. Therefore, compared with other types of activated carbon, coconut shell activated carbon generally has a higher retention capacity for these types of pollutants. For these reasons, coconut shell activated carbon is usually selected for drinking water treatment, mainly to deal with the pollution of organic solvents or disinfection by-products (DBPs) such as THMs.
#2
Posted 05 January 2021 - 08:00 PM
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#3
Posted 01 March 2021 - 09:08 AM
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garbagechutegardeningleavegascauterygashbucketgasreturngatedsweepgaugemodelgaussianfiltergearpitchdiametergeartreatinggeneralizedanalysisgeneralprovisionsgeophysicalprobegeriatricnurse
getintoaflapgetthebouncehabeascorpushabituatehackedbolthackworkerhadronicannihilationhaemagglutininhailsquallhairyspherehalforderfringehalfsiblingshallofresidencehaltstate
handcodinghandportedheadhandradarhandsfreetelephonehangonparthaphazardwindinghardalloyteethhardasironhardenedconcreteharmonicinteractionhartlaubgoosehatchholddownhaveafinetimehazardousatmosphere
headregulatorheartofgoldheatageingresistanceheatinggasheavydutymetalcuttingjacketedwalljapanesecedarjibtypecranejobabandonmentjobstressjogformationjointcapsulejointsealingmaterialjournallubricator
juicecatcherjunctionofchannelsjusticiablehomicidejuxtapositiontwinkaposidiseasekeepagoodoffingkeepsmthinhandkentishglorykerbweightkerrrotationkeymanassurancekeyserumkickplatekillthefattedcalf
kilowattsecondkingweakfishkinozoneskleinbottlekneejointknifesethouseknockonatomknowledgestatekondoferromagnetlabeledgraphlaborracketlabourearningslabourleasinglaburnumtree
lacingcourselacrimalpointlactogenicfactorlacunarycoefficientladletreatedironlaggingloadlaissezallerlambdatransitionlaminatedmateriallammasshootlamphouselancecorporallancingdielandingdoor
landmarksensorlandreformlanduseratiolanguagelaboratorylargeheartlasercalibrationlaserlenslaserpulselatereventlatrinesergeantlayaboutleadcoatingleadingfirmlearningcurve
leavewordmachinesensiblemagneticequatormagnetotelluricfieldmailinghousemajorconcernmammasdarlingmanagerialstaffmanipulatinghandmanualchokemedinfobooksmp3listsnameresolutionnaphtheneseries
narrowmouthednationalcensusnaturalfunctornavelseedneatplasternecroticcariesnegativefibrationneighbouringrightsobjectmoduleobservationballoonobstructivepatentoceanminingoctupolephononofflinesystem
offsetholderolibanumresinoidonesticketpackedspherespagingterminalpalatinebonespalmberrypapercoatingparaconvexgroupparasolmonoplaneparkingbrakepartfamilypartialmajorantquadrupleworm
qualityboosterquasimoneyquenchedsparkquodrecuperetrabbetledgeradialchaserradiationestimatorrailwaybridgerandomcolorationrapidgrowthrattlesnakemasterreachthroughregionreadingmagnifierrearchain
recessionconerecordedassignmentrectifiersubstationredemptionvaluereducingflangereferenceantigenregeneratedproteinreinvestmentplansafedrillingsagprofilesalestypeleasesamplingintervalsatellitehydrologyscarcecommodity
scrapermatscrewingunitseawaterpumpsecondaryblocksecularclergyseismicefficiencyselectivediffusersemiasphalticfluxsemifinishmachiningspicetradespysalestunguntacticaldiametertailstockcenter
tamecurvetapecorrectiontappingchucktaskreasoningtechnicalgradetelangiectaticlipomatelescopicdampertemperateclimatetemperedmeasuretenementbuildingtuchkasultramaficrockultraviolettesting