Ibisobanuro birambuye kuri VOC yo gutunganya imyanda
Hamwe n’iterambere ryihuse ry’ubukungu, umubare munini w’ibinyabuzima bihindagurika VOCs, mu myaka yashize, ibinyabuzima bihindagurika (VOCs) byahindutse imwe mu nkomoko y’imyuka ihumanya ikirere, bikaba byateje akaga gakomeye ubuzima bw’abantu ndetse n’uburinganire bw’ibinyabuzima, iherezo ry’imiyoborere ya VOC ryashimishije abantu benshi.
Hashingiwe ku buhanga buriho bwo gutunganya ikirere cya tekinoroji, ihame, imigendekere yimikorere, uko ubushakashatsi bumeze hamwe niterambere ryiterambere rya tekinoroji ya adsorption yibanze-catalitiki yaka umuriro ikwiranye n’imyanda minini y’imyanda n’ubushyuhe buke bwa VOC byaganiriweho ku buryo burambuye.
VOCs Gazi ahanini yangiza ikirere:
(1) Bimwe ni uburozi na kanseri kandi byangiza ubuzima bwabantu;
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(3) Kugira uruhare mu gushiraho aerosole ya kabiri mu kirere. Hafi ya aerosole ya kabiri ni ibice byiza, ntibyoroshye gutuza. Zishobora kuguma mu kirere igihe kirekire kandi zikagira imbaraga zikomeye zo gukwirakwiza urumuri, zishobora kugabanya cyane ikirere kiboneka;
Kugeza ubu, ibidukikije byinshi byo mu mijyi byerekanye umwanda w’akarere, imvura ya ozone na aside hamwe n’ibindi bintu bitatu biranga ihumana ry’ikirere, kandi VOC ni kimwe mu bintu byingenzi bizamura ingufu.
VOCs tekinoroji isanzwe yo kuvura:
Imiyoborere ya VOC yihutirwa, tekinoroji yo gutunganya gazi ya VOC igabanijwemo ibyiciro bibiri:
. Ariko, kubera aho urwego rwa tekinike rugarukira, byanze bikunze ruzarekura kandi rugasohora imyuka itandukanye ya gaze ya gazi yangiza ibidukikije, bikaba bigoye kubigeraho.
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Ikoranabuhanga rya Recovery: ni ugukoresha uburyo bwumubiri kugirango ugarure gaze ya VOCs uburyo butangiza, cyane cyane uburyo bwa carbone adsorption, uburyo bwa kondegene, uburyo bwo kuvura membrane nibindi. Ubu buryo ntibushobora kugenzura neza ibyuka bihumanya ikirere, ariko kandi gutunganya ibicuruzwa birashobora kuzigama umutungo no kuzana inyungu zubukungu, bityo bigenda byitabwaho cyane.
Tekinoroji yo gusenya: ni ukuvuga, binyuze mubikorwa bya chimique cyangwa biologique kugirango VOCs yanduze imyuka ya okiside yangirika mubintu bidafite uburozi cyangwa uburozi buke bwuburyo bwangiza, tekinoroji nyamukuru ni ugutwika, kwangirika kwa fotokatike, ikoranabuhanga rya plasma, ibinyabuzima n'ibindi.
VOCs tekinoroji yo gutunganya imyanda ni inzira imwe yo gutunganya, ukurikije ibihe byihariye nibisabwa na VOCs imyuka ihumanya ikirere, hitamo inzira ikwiye; Kubera ubwinshi bwa VOC, ibice bigoye, imitungo itandukanye, mubihe byinshi, gukoresha ikoranabuhanga ryo kweza akenshi biragoye kubahiriza ibisabwa mubuyobozi, kandi mubukungu. Ukoresheje ibyiza bya tekinoroji itandukanye yo kuvura, uburyo bwo kuvura hamwe ntibushobora gusa kuzuza ibyuka bihumanya ikirere, ariko kandi bigabanya ikiguzi cyibikoresho.
Ihame rya tekinoroji ya Zeolite Rotor Kwishyira hamwe + Catalitike yo gutwika:
Ikoranabuhanga rya mbere ryakoreshejwe mu guhangana na gaze ya VOCs ni uburyo bwa adsorption, muri bwo bukoreshwa cyane kandi busanzwe ni uburyo bwa carbone adsorption, uburyo bwa carbone adsorption uburyo bwo kwinjiza no kuvura umwotsi wa halogene hamwe na tekinoroji ya benzene byakunze kugaragara cyane mu nganda. Ihame nyamukuru ryuburyo bwa adsorption nugukoresha ibikoresho byoroshye bifite ubuso bunini bwihariye nka adsorbent. Iyo gaze ya VOC inyuze muri adsorbent, bitewe nubuso bunini bwihariye bwa adsorbent, molekile ya VOC ifatirwa hejuru yimbere ya micropore na adsorbent, kugirango bigere ku ngaruka zo kweza gaze. Nuburyo bushya hamwe na tekinoroji ya VOCs yo kuvura, tekinoroji ya zeolite Rotor Concentrator + tekinoroji yo gutwika catalitike yakoreshejwe cyane mubihugu byamahanga.
(1) Ubwoko bwa adsorbent
Ibikoresho bya Adsorption nibyingenzi byikoranabuhanga ryibiziga, bikunze gukoreshwa karubone ikora na molekile ya zeolite ikuramo kabiri. Carbone ikora ifite micropore ikungahaye, ubuso bunini bwihariye, ubushobozi bukomeye bwa adsorption, umuvuduko wihuse, bikoreshwa cyane mubuhanga bwibiziga. Carbone ikora nka adsorbent yo gutunganya imyanda, ubushobozi bwayo bwa adsorption nini, igiciro gito, ariko pore yayo iroroshye gucomeka, kandi karubone ikora ubwayo ifite umuriro ugurumana, byoroshye gufata umuriro mugihe desorption, bizaba byangiza umutekano runaka, bitujuje ibyangombwa byumusaruro wumutekano, bizagira ingaruka mubikorwa bifatika.
Zeolite ya molekile ya elegitoronike ni ubwoko bwa hydrate ifite imiterere ya skeleton yihariye ya kristaline aluminium silikatike yumunyu. Imiti rusange yimiti nuburyo bukurikira:
[(A102) x - (SiO2) y] - zH20o
Aho M igereranya cation, m igereranya umubare wa valence leta, z igereranya umubare wa hydration, x nibihumbi icumi ni integer, nyuma yimiterere imaze gukora, A. Amazi mumutwe azashira, nibindi bice bisigaye bizimuka bikora imiterere yakazu ifite aperture ya 3 ~ 10Å.
Ubushobozi bwo guhitamo adsorption ya zeolite ya molekile ya sikeli ahanini biterwa nuburyo busanzwe. Amategeko ya Zeolite ya molekile ya sisitemu yo gukwirakwiza, gukwirakwiza kimwe, guhitamo adsorption ahanini ni ukubera ko ubunini bwa zeolite butandukanye butandukanye, mubihe bisanzwe, gusa diameter ya molekulari ya dinamike itari munsi ya molekile ya sikeri ya aperture izamenyeshwa na molekile ya molekile.
Hariho kandi itandukaniro rinini muburyo bwa skeleton hamwe nubunini bwa pore yubwoko butandukanye bwa sikeli ya molekile, kandi imiterere ya skeleton ya sikile ya molekile ifite itandukaniro murwego rwa dogere, bityo molekile zimwe na zimwe zifite diameter ya dinamike irenze gato ubunini bwa pore nayo irashobora kwamamazwa nayo, ariko igipimo cya adsorption hamwe nubushobozi bwa adsorption bizagabanuka cyane.
Kuberako hari cations mumiterere kandi imiterere ya skeleton yashizwemo nabi, ni ya molekile ya elegitoronike ubwayo hamwe na polarite. Gutanga amashanyarazi ya zeolite bizabyara ingufu zikomeye z'amashanyarazi, kugirango bikurure hagati ya molekile ya polarike, cyangwa molekile ya polarizable na zeolite ya molekile ya elegitoronike nyuma ya polarisiyasi.
Kubwibyo rero, amashanyarazi ya zeolite arashobora kwamamaza molekules zifite polarite ikomeye cyangwa polarisiyasi yoroshye ariko diameter ya kinetic nini cyane kuruta ubunini bwa pore. Kuberako icyuma cya molekuline gifite imiterere yihariye ya pore kuburyo ifite imikorere idasanzwe, mugihe cyubushyuhe bwo hejuru hamwe numuvuduko muke nabyo birashobora gukina ubushobozi bwa adsorption. Kugeza ubu, ubwoko bwa sikeli ya molekile ikoreshwa kenshi muri adsorption ni 13X, NaY, mercerite na ZSM-5.
Kumenyekanisha ihame rya zeolite
Ubushakashatsi bwanzuye ko: niba impapuro zitunganijwe neza kandi zuzuye za ceramic fibre fibre ukoresheje uburyo budahuza uburyo bwo gukora uruziga rwikimamara, hanyuma zeolite hamwe n’amazi yinjira mu muyoboro w’ibiziga, uruziga ruzahinduka uruziga rwinjira, nyuma y’ubushakashatsi bwerekanye ko uruziga rwa adsorption mu kuvura VOCs rufite akamaro kanini.
Agace kegeranye ka zeolite yiruka gashobora kugabanywamo ibice bitatu: agace kavurirwamo, akarere gashya no gukonjesha. Kwiruka kwibanda biruka muri buri karere. VOCs imyanda kama ya kayunguruzo iyungurura mbere yo kuyungurura, hanyuma ikanyura ahantu ho gutunganya ibikoresho byiruka.
VOC mu gice cyo kuvura ikurwaho na adsorption ya adsorbent, kandi umwuka usukuye usohoka mukarere kavurirwamo abiruka. Umwuka w’imyanda kama VOCs yamamajwe mukwiruka kwinshi irasuzumwa kandi igashyirwa inshuro 5 ~ 15 mukuvura ikirere gishyushye mukarere gashya.
Kwiruka byibanze bikonjeshwa muri zone ikonje, kandi umwuka unyuze muri zone ikonje urashyuha kandi ugakoreshwa nkumwuka utunganijwe kugirango ugere ku ngaruka zo kweza no kuzigama ingufu.
Uburyo bwa okiside ya catalitiki:
Igikorwa cyo gutwika catalitiki gikorerwa mubice bya catalitiki. Umwuka w’imyanda kama ushushe kugeza kuri 200-400 ° C binyuze mu guhinduranya ubushyuhe, hanyuma ukinjira mu cyumba cyaka. Iyo unyuze mu buriri bwa catalizator, molekile ya hydrocarbone na molekile ya ogisijeni ivanze na gaze byamamazwa hejuru ya catalizator kandi bigakorwa uko bikurikirana. Kubera ko adsorption yo hejuru igabanya imbaraga zo gukora reaction, hydrocarbone ihindurwamo vuba na molekile ya ogisijeni mubushyuhe buke kugirango itange karuboni n'amazi.
Zeolite Rotor adsorption yibanze - inzira yo gutwika catalitiki:
Igitekerezo cyibanze cya zeolite yibizunguzungu bya catalitiki yo gutwika, VOC muri gaze yimyanda yinganda hamwe nubushyuhe buke hamwe nubunini bwikirere butandukanye iratandukanywa kandi igahuzwa nuburyo bwo gutandukanya adsorption, hamwe numwuka wanduye hamwe nubushyuhe bwinshi hamwe nubunini buke bwumwuka nyuma yo guhundagurika ukabora kandi ukanasukurwa nuburyo bwo gutwika, bizwi cyane ko bitandukanya na adsorption hamwe no kubora.
Iruka rya adsorption rifite imiterere yubuki ryashyizwe mubikonoshwa bigabanijwemo adsorption, kuvugurura no gukonjesha, kandi bizunguruka buhoro buhoro ku muvuduko wa 3 ~ 8 kuri buri saha munsi ya moteri igenga umuvuduko ugenga moteri.
Uturere dutatu twa adsorption, kuvugurura no gukonjesha bifitanye isano nu gice cyumwuka wumuyaga uvura, umwuka ukonje hamwe numwuka mushya. Byongeye kandi, kugirango hirindwe ko umwuka uva hagati yumuyaga nu muzenguruko wa adsorption yiruka hamwe nigikonoshwa hagati ya buri karere, isahani yo kugabana hamwe nuwiruka wa adsorption, umuzenguruko wa adsorption hamwe nigikonoshwa bifite ibikoresho birwanya ubushyuhe bwinshi, byihanganira fluoro reberi.
Numufana wa 1 utwara VOC irimo gaze ya gaze binyuze mukarere ka runner, ni agace ka adsorption. Ibikoresho bitandukanye bya adsorption birashobora kuzuzwa mukwiruka ukurikije intego zitandukanye. Agace ka VOCs adsorbed kaza mukarere ka b desorption hamwe no kuzunguruka kwiruka. Ubushyuhe bwinshi bwo mu kirere butembera binyuze mu guhererekanya ubushyuhe 1 bizasuzugura VOCs yamamajwe ku kwiruka, kandi bigere ku bushyuhe bwo gutwika binyuze mu guhererekanya ubushyuhe 2, hanyuma winjire mu cyumba cyo gutwika catalitike kugira ngo habeho okiside ya catalitiki. Kubera ko kwiruka bigomba kwamamazwa nyuma ya desorption, ahantu hakonje c hashyirwa kuruhande rwa desorption kugirango ikonjeshejwe numwuka, kandi umwuka ushyushye ukonje uhinduka umwuka ushyushye wa desorption binyuze mumashanyarazi 1.
Kubikorwa bya chip biriho ubu, inganda za LCD, inganda za semiconductor, inganda zicapura, inganda zitwikiriye nizindi nganda zitanga inganda. Uburyo bwacyo butanga umusaruro bugomba gukoresha umubare munini wumuti ukomoka kumubiri, ukoreshwa nkibikoresho byogusukura, gufotora, kwambura amazi, diluent, nibindi, muriki gikorwa bizatanga umusaruro mwinshi wa gaze yimyanda kama, iyi myanda yimyanda kama nini nini yumuyaga mwinshi, bityo rero kugirango ubashe gutunganya neza ubu bwoko bwimyanda irimo imyanda ya VOCs, uburyo bwa Zeolite rotor adsorption nuburyo bukoreshwa muburyo bwiza bwo kuvura.
Porogaramu Urwego rwa Zeolite Rotary Yibanze + Sisitemu ya Catalitike yo gutwika:
Zeolite rotary concentration hamwe na catalitike yo gutwika sisitemu ifite uburyo bwinshi bwo gukoresha, ikubiyemo inganda nini nuburyo bwo gutunganya gaze. Ubu buhanga bushya bukoreshwa cyane cyane muburyo bwo gutunganya imyanda hamwe nubushyuhe buke nubunini bwikirere, kandi burakwiriye mubikorwa bitandukanye byinganda.
Kimwe mu byiza byingenzi byibanze kuri zeolite rotor nubushobozi bwayo bwo gutunganya imyanda itarimo halogene nka S, N, Cl, F, nibindi. Niba ibyo bice bihari, birashobora kuvurwa murwego rwo kwitegura mbere yo gutwikwa kugirango harebwe niba nta bikoresho bishya bya gaze bitanga nyuma yo gutwikwa.
Byongeye kandi, aho guteka gaze ya gaze ntishobora kuba hejuru cyane kugirango bivurwe neza ukoresheje iyi sisitemu. Niba aho gutekera birenze 300 ° C kandi bigahura n'umwuka ushushe, gaze imyanda kama yamamajwe kumashanyarazi ya zeolite ntishobora gutwarwa igihe kirekire, bikagira ingaruka kumikorere yubuvuzi.
Iri koranabuhanga ryateye imbere rirakwiriye mu nganda zinyuranye, zirimo inganda z’imiti, ibikoresho byo gusiga amarangi, uruganda rukora imiti, inganda za elegitoroniki, uruganda rukora ibikoresho byo mu nzu, inganda zipakira n’icapiro, hamwe n’ibikoresho byo gusiga amarangi. Ivura neza imyanda kama n’ibyuka bihumanya ikirere biva muri izo nganda zinyuranye, bigatuma iba igisubizo cyinshi kandi cyingirakamaro kubigo bishaka kunoza uburyo bwo gutunganya imyanda.
Ikigaragara ni uko imyuka yimyanda irashobora kwamamazwa hanyuma igatwarwa na zeolite, bigatuma iba abakandida babereye kuvurwa. Nyamara, niba gaze ya gaze irimo S, N, Cl, F nibindi bice, umwanda wa kabiri uzabyara nyuma yo gutwikwa, kandi ntibikwiriye kuvurwa catalitike.
Muri make, zeolite rotary concentration hamwe na sisitemu yo gutwika catalitike ifite uburyo bwinshi bwo gukoresha kandi itanga ibisubizo byizewe kandi byiza byo gutunganya imyanda ya VOC mu nganda zitandukanye. Ubushobozi bwayo bwo gutwara amajwi menshi hamwe nubushyuhe buke bituma iba umutungo wingenzi mugihe ushaka kunoza uburyo bwo kuvura umuyaga.