ibicuruzwa

Ifu y'ubutaka ya Diatomaceous yo kurengera ibidukikije, inganda zivura impumuro mbi n'ibintu bihumanya ikirere, bikwiriye gukoreshwa mu gutunganya imyanda ya gaze n'amazi yanduye.

Ibisobanuro bigufi:

Bitewe n’uko ubumenyi ku kurengera ibidukikije bukomeje kwiyongera ku isi, gutunganya imyuka imyanda n’amazi mabi byabaye inshingano y’ingenzi ku bigo kugira ngo bigere ku iterambere ritangiza ibidukikije. Gukuraho neza impumuro mbi n’ibintu bihumanya ikirere (VOCs) mu myuka imyanda, ndetse no kwinjiza ibintu byangiza mu mazi mabi, byabaye intego y’ikoranabuhanga. Ifu y’ubutaka ya diatomaceous (ifu ya diatomite) ifite ubushobozi bwo kurengera ibidukikije yahindutse ibikoresho byiza byo kurinda ibidukikije bitewe n’ubuso bwayo bunini, ubushobozi bwayo bwo kuyungurura cyane, n’imiterere yayo idahumanya karemano, kandi ikoreshwa cyane mu gutunganya imyuka imyanda, gutunganya amazi imyanda, no guta imyanda ikomeye.

Mu gutunganya imyuka y'imyanda, cyane cyane mu gutunganya imyuka y'imyanda irimo VOC (nk'icapiro, irangi, n'inganda zikora imiti), ifu y'ubutaka ya diatomaceous ishobora kwinjiza ibintu byangiza. Imiterere y'ifu ya diatomite ifite ahantu henshi ho kwinjiza, hashobora gufata molekile za VOC binyuze mu mbaraga za van der Waals no gukurura amashanyarazi. Nyuma yo guhindura ubuso bw'ifu y'ubutaka ya diatomaceous (nk'iyo gushyiramo karubone ikora, dioxyde titanium, nibindi), ubushobozi bwayo bwo kwinjiza VOC bushobora kunozwa kurushaho. Dufashe urugero rw'aho irangi ry'uruganda rukora imodoka, imyuka y'imyanda irimo ingano nini ya benzene, toluene, na xylene. Nyuma yo kunyuza imyuka y'imyanda mu gasanduku k'imyanda yuzuyemo ifu y'ubutaka ya diatomaceous yahinduwe, igipimo cyo gukuraho benzene, toluene, na xylene gishobora kugera ku kigero kirenga 90%, kandi ubwinshi bwa VOC mu myuka y'imyanda yavuwe buba buri hasi ugereranije n'ibipimo ngenderwaho by'igihugu (≤80 mg/m³). Ugereranyije n’uburyo gakondo bwo kuvoma karuboni ikoreshwa mu buryo bwa gakondo, ifu y’isi ya diatomaceous ifite ibyiza byo kuba ihendutse kandi iramba (igihe cyo kuvoma ni inshuro 2-3 z’igihe cyo kuvoma karuboni ikoreshwa mu buryo bwa kera), kandi yoroshye kongera kuvoma (ishobora kongera kuvoma hakoreshejwe ubushyuhe bwa 300-400°C, kandi ubushobozi bwo kuvoma bushobora kugaruka ku kigero kirenga 85% nyuma yo kongera kuvoma).
Mu gutunganya imyuka ihumura neza (nk'inganda zitunganya imyanda, inganda zitunganya imyanda, n'ubworozi bw'amatungo), ifu y'ubutaka ya diatomaceous nayo ishobora kugira uruhare runini mu gukuraho impumuro mbi. Ibintu binuka cyane cyane birimo ammonia, hydrogen sulfide, na mercaptans. Imiterere y'ifu ya diatomite ifite imyenge ishobora kwinjiza izi molekile zinuka, kandi amatsinda y'imikorere ya alkaline cyangwa aside ku buso bwayo (nyuma yo guhindura) ashobora gukorana n'ibintu binuka kugira ngo abihinduremo ibintu bitangiza. Uruganda rutunganya imyanda rwo mu mujyi wo ku nkombe rwakoresheje uburyo bwo gukuraho impumuro mbi bushingiye ku ifu y'ubutaka ya diatomaceous. Nyuma yo gushyiraho, impumuro mbi ikikije uruganda yagabanutse kuva kuri 5000 OU/m³ ikagera munsi ya 200 OU/m³, byari munsi cyane y'ibipimo by'igihugu (≤400 OU/m³), kandi ibibazo by'abaturage bo hafi aho byagabanutseho 90%. Muri icyo gihe, ifu y'ubutaka ya diatomaceous ikoreshwa muri sisitemu yo gukuraho impumuro mbi ishobora kongera gukoreshwa nyuma yo kongera kuvugururwa, bigabanyije ingano y'imyanda ikomeye yakozwe.​
Mu gutunganya amazi yanduye, ifu y'ubutaka ya diatomaceous inyuzwa cyane ishobora gukoreshwa mu gutunganya amazi yanduye arimo imyanda ya organic (nk'icapiro n'irangi ry'amazi yanduye, amazi yanduye ya chemical). Gucapiro n'irangi ry'amazi yanduye birimo umubare munini w'irangi n'ibindi bikoresho by'inyongera, bifite chroma na COD nyinshi, kandi bigoye kuyangiza. Kongeramo 2-5% by'ifu y'ubutaka ya diatomaceous mu mazi yanduye bishobora kwinjiza irangi n'ibintu by'umwimerere biri mu mazi. Ibizamini byerekana ko igipimo cyo gukuraho chroma mu gucapiro no gusiga irangi ry'amazi yanduye gishobora kugera ku kigero kirenga 95%, naho igipimo cyo gukuraho COD gishobora kugera kuri 60-80%. Ugereranyije n'ibice bisanzwe (nk'aluminium sulfate), ifu y'ubutaka ya diatomaceous nta mwanda wa kabiri igira (nta bisigazwa bya aluminium ion), kandi umwanda uvamo nyuma yo gutunganya biroroshye kuwukuraho kandi ushobora gukoreshwa nk'inyongera mu bikoresho by'ubwubatsi nyuma yo gutunganya nabi. Uruganda rucapiro n'irangi muri Zhejiang rwakoresheje ifu y'ubutaka ya diatomaceous mu gutunganya amazi yanduye. Nyuma yo gutunganya amazi, amazi yanduye ashobora kongera gukoreshwa kugira ngo akoreshwe (nyuma yo gutunganya amazi mu buryo buhanitse), bikagabanya 30% by'amazi akoreshwa n'uruganda kandi bikagabanya ikiguzi kinini cy'amazi.
Ifu yacu y'ubutaka ya diatomaceous inyuzwamo amazi menshi yo kurinda ibidukikije ifite ubwoko butandukanye bw'ibicuruzwa, harimo ifu, granular, n'inyuzwamo amazi. Ifu (mesh 100-800) ikwiriye gukoreshwa mu gutunganya amazi yanduye no mu kuvoma imyuka; ifu (mm 1-5) ikwiriye uburyo bwo kuvoma amazi yanduye mu gutunganya imyuka; ifu (mm 5-10) ikwiriye mu mishinga minini yo gutunganya imyuka y'imyanda ifite ingano nyinshi y'umwuka. Ibipimo by'ingenzi by'ikoranabuhanga by'ibicuruzwa byacu ni: ubuso bwihariye ≥200 m²/g, ingano y'imyenge ≥0.8 cm³/g, ubushobozi bwo kuvoma imyuka y'ubururu ≥15 mL/0.1g, n'ubushuhe ≤3%. Dushobora kandi gutanga ibikoresho byahinduwe by’ifu y’ubutaka ya diatomaceous hakurikijwe ibikoresho byihariye by’abakiriya, nk’ifu ya diatomite ifite karuboni (yo gukoresha VOCs), ifu ya diatomite ifite titanium dioxide (yo kwangiza imyuka ihumanya ikirere), n’ifu ya diatomite ifite alkaline (yo gukoresha hydrogen sulfide).
Mu gikorwa cyo gukora, dukoresha ikoranabuhanga rigezweho ryo gukora kugira ngo twongere ubushobozi bwo gutera ifu y’isi ya diatomaceous. Igikorwa cyo gukora kirimo gukora aside (gukoresha aside sulfurike ivanze kugira ngo ikureho utunyangingo twa diatomite, kongera umubare w’imyenge) no gukora ubushyuhe (gukoresha calcine ku bushyuhe bwinshi kugira ngo dukureho imyanda mu myenge no kongera ingano y’imyenge). Ifu y’isi ya diatomaceous ikora ifite ubuso bwihariye bwongereweho 30-50% ugereranije n’amabuye y’agaciro y’umwimerere, kandi ubushobozi bwo gutera imyenge burarushaho kwiyongera cyane. Buri gice cy’ibicuruzwa kizakorerwa isuzuma ry’ubushobozi bwo gutera imyenge (gukoresha umuti wa methylene blue nk’umuti utera imyenge) no gusuzuma imiterere y’imyenge (gukoresha isesengura ry’ubuso runaka), kugira ngo imikorere y’ibicuruzwa igerweho n’ibikenewe.​
硅藻土

 

 

 

 

 

 


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