Kev siv hauv Kev Kho Dej
Kev kho dej suav nrog kev kho dej nyoos, kev kho dej khib nyiab, thiab kev kho dej hauv tsev, thiab lwm qhov chaw. Hauv kev kho dej nyoos, thaum siv nrog rau cov khoom siv xws li cov pa roj carbon activated, nws yooj yim rau flocculation thiab qhia meej ntawm cov khoom raug tshem tawm hauv cov khoom siv dej hauv tsev. Los ntawm kev hloov cov organic flocculants-tshwj xeeb polyacrylamide- rau inorganic flocculants, dej purification muaj peev xwm nce ntau dua 20%, txawm tias tsis tau hloov kho cov tso tsheb hlau luam uas twb muaj lawm. Hauv kev kho cov dej khib nyiab, kev siv cov polyacrylamide txhim kho kev ua haujlwm ntawm cov dej rov ua dua tshiab thiab tseem ua haujlwm ua tus neeg sawv cev zoo rau sludge dewatering. Hauv kev kho dej hauv kev lag luam, nws ua haujlwm raws li qhov tseem ceeb hauv ntau yam tshuaj formulations. Thaum kev kho dej yog qhov loj tshaj plaws daim ntawv thov sector rau polyacrylamide thoob ntiaj teb, nws txoj kev saws me nyuam nyob rau hauv daim teb no yog tam sim no tau txais lub zog hauv tsev.
Lub luag haujlwm tseem ceeb ntawm Polyacrylamide hauv Kev Kho Dej:
(1) Kev txo qis hauv Flocculant Dosage: Muab cov qauv dej zoo sib xws, siv polyacrylamide ua cov coagulant pab nrog rau lwm cov flocculants tuaj yeem txo qhov ntau ntawm flocculants xav tau. (2) Kev Txhim Kho Dej Zoo: Hauv kev kho dej haus thiab kev kho dej khib nyiab, kev siv cov polyacrylamide thiab inorganic flocculants ua ke ua rau muaj kev txhim kho hauv dej zoo. (3) Txhim kho Floc Strength thiab Tshav Dav Hlau: Polyacrylamide generates flocs yam ntxwv los ntawm cov qauv muaj zog thiab cov khoom zoo dua; qhov no ua kom nrawm nrawm ntawm cov khoom-kua sib cais thiab ua kom yooj yim rau cov txheej txheem ntawm sludge dewatering. (4) Corrosion thiab Scale Prevention nyob rau hauv Circulating Cooling Systems: Daim ntawv thov ntawm polyacrylamide tso cai rau kom txo tau ntau npaum li cas ntawm inorganic flocculants, yog li tiv thaiv cov deposition ntawm inorganic tshuaj nyob rau hauv cov khoom nto thiab mitigating khoom corrosion thiab scale tsim.
Daim ntawv thov hauv Roj Extraction
Polyacrylamide yog ntau hom tshuaj kho cov neeg ua haujlwm tau siv dav thoob plaws hauv cov roj av rho tawm lub neej-tshwj xeeb hauv kev drilling, cementing, ua tiav, ua haujlwm zoo, hydraulic fracturing, acidizing, dej txhaj tshuaj, dej kaw thiab profile tswj, thiab txhim kho roj rov qab (tertiary rov qab) kev ua haujlwm. Nws yog qhov tseem ceeb tshwj xeeb hauv kev ua haujlwm ntawm drilling, dej kaw thiab profile tswj, thiab txhim kho cov roj rov qab. Aqueous daws ntawm polyacrylamide muaj viscosity siab thiab muaj cov thickening zoo heev, flocculating, thiab rheology- hloov cov khoom; yog li ntawd, lawv tau ua hauj lwm hauv cov roj extraction ua cov roj- cov neeg ua hauj lwm tshem tawm thiab cov kua dej hloov pauv. Thaum lub sij hawm nruab nrab - mus rau - theem kawg ntawm kev rho tawm cov roj, txhawm rau txhim kho cov roj av rov qab, kuv lub teb chaws tam sim no feem ntau txhawb dej nyab polymer thiab ternary compound flooding technologies. Los ntawm kev txhaj tshuaj aqueous ntawm polyacrylamide, cov roj - mus rau - dej ntws piv tau zoo dua, yog li ua rau cov roj crude nyob rau hauv cov kua ua kua. Qhov sib ntxiv ntawm polyacrylamide thaum lub sij hawm tertiary roj rov qab boosts roj- muaj peev xwm hloov chaw, tiv thaiv dej channeling (ua ntej ntxov ntxov breakthrough) nyob rau hauv cov roj reservoir, thiab thaum kawg nce tag nrho cov rov qab yield ntawm oilfield. Tuam Tshoj kev lag luam roj av sawv ua tus neeg siv khoom loj tshaj plaws ntawm polyacrylamide; technological advancements nyob rau hauv polyacrylamide tau tsav txoj kev loj hlob ntawm Tuam Tshoj cov roj av sector, thaum lub lag luam cov kev xav tau, nyob rau hauv lem, tau ceev lub pace ntawm technologies innovation thiab kev loj hlob nyob rau hauv lub polyacrylamide sector nws tus kheej.
Daim ntawv thov daim ntawv
Hauv kev lag luam papermaking, polyacrylamide tau dav siv los ua kev tuav pov hwm, kev pab cuam dej, thiab qib tus neeg sawv cev txhawm rau txhim kho cov ntawv zoo, txhim kho cov dej dewatering ntawm cov pulp slurry, thiab nce tus nqi tuav ntawm cov fibers zoo thiab muab tub lim. Qhov kev siv no pab txo qis cov khoom siv raw thiab txo cov pa phem ib puag ncig. Tsis tas li ntawd, thaum ua hauj lwm raws li ib tug dispersant, nws txhim kho cov uniformity ntawm daim ntawv. Polyacrylamide ua haujlwm ob lub luag haujlwm tseem ceeb hauv kev lag luam papermaking: ua ntej, nws txhawb nqa cov nqi khaws cia ntawm cov khoom siv, cov xim, thiab lwm yam khoom ntxiv, yog li txo cov khoom siv raw thiab kev sib kis; thib ob, nws txhim kho lub cev lub zog ntawm daim ntawv. Ntxiv polyacrylamide rau lub pulp slurry tsub kom tus nqi khaws cia ntawm cov fibers zoo thiab muab tub lim rau ntawm lub vijtsam hlau, thaum tib lub sijhawm ua kom cov txheej txheem dewatering ntawm cov ntaub so ntswg. Lub tshuab ua haujlwm cuam tshuam nrog cov flocculation ntawm cov khoom hauv cov ntaub so ntswg - yooj yim los ntawm kev them nqi nruab nrab lossis kev cuam tshuam txuas ntxiv - uas tso cai rau lawv khaws cia ntawm cov ntaub lim dej. Qhov tsim ntawm cov flocs no tseem ua kom yooj yim pom cov dej los ntawm cov ntaub so ntswg, yog li txo qhov poob ntawm cov fibers rau hauv "dej dawb", txo cov pa phem ib puag ncig, thiab txhim kho kev ua haujlwm ntawm kev pom, sedimentation, thiab lwm yam khoom siv ua haujlwm.
Cov ntaub ntawv kho mob
Polyacrylamide gel ua haujlwm rau ntau yam kev kho mob, suav nrog kev siv tsis yog -thrombin-raws li granulation- txhawb nqa tus neeg sawv cev, cov khoom siv phais, cov khoom siv raw rau cov lo ntsiab muag, thiab cov khoom siv txheej txheej rau microcapsules. Nws kuj tseem siv rau hauv kev tsim cov khoom siv siab - zoo hemostatic plugs, cov ntaub so ntswg huv, thiab cov ntaub qhwv me nyuam mos. Polyacrylamide hais nrog qhov ntau thiab tsawg los ntawm ntau pua mus rau ob peb kaum micrometers tuaj yeem ua haujlwm raws li cov khoom ntim chromatographic (xws li, rau gel chromatography kab), ua kom muaj kev sib cais zoo ntawm globular proteins xws li cytochrome. Nws kuj tseem ua rau cov txheej txheem qis qis ntxiv xws li protein desalting thiab concentration. Los ntawm Mannich cov tshuaj tiv thaiv, L-proline lossis L-hydroxyproline tau nkag mus rau ntawm cov saw hlau ntawm cov polyacrylamide resin los ntawm methylene txuas; Tom qab kev sib koom tes nrog tooj liab ions yields chiral ligand resin muaj peev xwm daws tau cov kab ntawm DL-amino acids. Tsis tas li ntawd, thaum chiral amino acids complexed nrog tooj liab ions ntawm polyvinylamine resin (muab los ntawm Hofmann degradation), cov ntaub ntawv uas tshwm sim ua hauj lwm nyob twj ywm rau ligand - pauv chromatography; qhov no tso cai rau kev daws teeb meem ntawm ntau yam amino acids-ua kom pom qhov ua tau zoo hauv kev sib cais ntawm cov amino acids uas muaj ntxhiab-thaum lub cev hydrophilic ntawm cov pob txha polymer tseem txo tau lub sij hawm sib cais.
Lwm yam kev lag luam:
Hauv kev lag luam khoom noj khoom haus, nws yog siv rau kev qhia meej ntawm cov kua txiv kab ntxwv thiab cov phosphate -flotation extraction ntawm syrup thaum lub sij hawm tsim cov cane thiab beet qab zib. Nws kuj yog ua hauj lwm nyob rau hauv lub flocculation thiab qhia meej ntawm fermentation broths rau enzyme npaj. Tsis tas li ntawd, nws yog siv rau kev rov qab los ntawm cov khoom noj proteins - muab kev ruaj ntseg zoo thiab kev ua tau zoo- qhov twg cov hmoov protein rov qab tau pom tias tsis muaj kev cuam tshuam rau cov nqaij qaib ciaj sia, qhov hnyav nce, lossis qe ntau lawm. Lwm daim ntawv thov muaj xws li hluavtaws cob txheej; civil engineering grouting cov ntaub ntawv rau dej thaiv; kev lag luam cov ntaub ntawv hauv tsev (txhim kho cov cement zoo, ua haujlwm ua cov nplaum nplaum, thiab ua haujlwm ua cov khoom sib koom ua ke, kho cov neeg ua haujlwm, thiab dej- thaiv cov neeg ua haujlwm); kev txhim kho av; kev lag luam electroplating; thiab textile printing thiab dyeing kev lag luam, thiab lwm yam.
