I-calcium chloride yityuwa eyenziwe yi-chloride ion kunye ne-calcium ions.I-Anhydrous calcium chloride ine-absorption enamandla yomswakama, isetyenziswe njenge-desiccant yezinto ezahlukeneyo, ngaphezu kothuli lwendlela, ukuphuculwa komhlaba, i-friji, i-agent yokucoca amanzi, i-agent yokunamathisela.Yinto esetyenziswa ngokubanzi kwi-reagent yeekhemikhali, izinto ezikrwada zamayeza, izongezo zokutya, izongezo zokutya kunye nezinto ezikrwada zokwenza i-calcium yesinyithi.
Iimpawu ezibonakalayo ze-calcium chloride
I-Calcium chloride iyikristale ye-cubic engenambala, emhlophe okanye emhlophe, i-granular, ibhloko ye-honeycomb, i-spheroid, i-granular engaqhelekanga, i-powdered.Indawo yokunyibilika ngu-782°C, ukuxinana kwe-1.086 g/mL ku-20 °C, indawo yokubila yi-1600°C, ukunyibilika kwamanzi 740 g/L.Ityhefu kancinci, ayinavumba, incasa ekrakra kancinane.I-hygroscopic kakhulu kwaye i-deliqued ngokulula xa iboniswe emoyeni.
I-soluble kalula emanzini, ngelixa ikhulula ubushushu obukhulu (i-calcium chloride dissolution enthalpy ye -176.2cal / g), isisombululo sayo esinamanzi sincinci.Inyibilika kwi-alcohol, i-acetone, i-acetic acid.Ukuphendula nge-ammonia okanye i-ethanol, i-CaCl2 · 8NH3 kunye ne-CaCl2 · 4C2H5OH iikhompleksi zenziwe, ngokulandelanayo.Kwiqondo lobushushu eliphantsi, isisombululo sicwebezelisa kwaye sinciphe njengehexahydrate, ethi inyibilikiswe ngokuthe ngcembe kumanzi ayo ayikristale xa ishushubezekile ukuya kuma-30 ° C, kwaye ngokuthe ngcembe ilahlekelwa ngamanzi xa ishushu ukuya kuma-200 ° C, kwaye iba yidihydrate xa ishushu kwi-260 ° C. , ethi ibe yi-white porous anhydrous calcium chloride.
Anhydrous calcium chloride
I-1, iipropati zomzimba kunye neekhemikhali: ikristale ye-cubic engenambala, ibhloko emhlophe okanye emhlophe emhlophe okanye i-granular solid.Uxinzelelo olunxulumene ne-2.15, indawo yokunyibilika yi-782 ℃, indawo yokubilisa ingaphezulu kwe-1600 ℃, i-hygrhygability yomelele kakhulu, ilula ukuyicoca, kulula ukuyinyibilika emanzini, ngelixa ikhupha ubushushu obuninzi, obungenavumba, incasa ekrakra kancinci, isisombululo esinamanzi sincinci, sinyibilika etywaleni, iviniga ye-acrylic, i-acetic acid.
I-2, ukusetyenziswa kwemveliso: Yi-arhente yokumanzisa kwimveliso yemibala ye-pigments yechibi.Ukuveliswa kwe-nitrogen, igesi ye-acetylene, i-hydrogen chloride, i-oksijini kunye nenye i-desiccant yegesi.Utywala, i-ethers, i-esters kunye ne-acrylic resins zisetyenziselwa i-dehydrating agents, kwaye izisombululo zabo ezinamanzi zibalulekile kwiifriji kunye nefriji.Iyakwazi ukukhawulezisa ukuqina kwekhonkrithi, ikhulise ukuxhathisa okubandayo kodaka lwesamente, kwaye iyi-agent egqwesileyo ye-antifreeze.Isetyenziswe njenge-agent ekhuselayo ye-aluminium magnesium metallurgy, i-agent yokucoca.
I-Flake calcium chloride
I-1, iipropati zomzimba kunye neekhemikhali: i-crystal engenambala, le mveliso imhlophe, i-crystal emhlophe.Incasa ekrakra, ubuqhophololo obunamandla.
Ubuninzi bayo obusondelene buyi-0.835, bunyibilika ngokulula emanzini, isisombululo saso esinamanzi asithathi hlangothi okanye i-alkaline kancinane, siyagqwala, sinyibilika etywaleni kwaye asinyibiliki kwi-ether, kwaye siphelelwe ngamanzi kwi-anhydrous matter xa ishushu kwi-260℃.Ezinye iimpawu zeekhemikhali zifana ne-anhydrous calcium chloride.
2, umsebenzi kunye nokusetyenziswa: i-flake calcium chloride esetyenziswa njengefriji;i-agent ye-antifreeze;Umkhenkce otyhidiweyo okanye ikhephu;Iiretadants zomlilo zokugqiba kunye nokugqiba iingubo zekotoni;izigcini zokhuni;Ukuveliswa kwerabha njenge-ejenti yokusonga;Isitashi esixutyiweyo sisetyenziswa njenge-agent encamathelayo.
Ikhalsiyam chloride isisombululo samanzi
Isisombululo se-calcium chloride sineempawu ze-conductivity, indawo yokukhenkcela ephantsi kunamanzi, ukutshatyalaliswa kobushushu ekudibaneni namanzi, kwaye inomsebenzi ongcono we-adsorption, kunye neqondo eliphantsi lokukhenkceza lingasetyenziselwa kwiindawo ezahlukeneyo zokuvelisa kunye neendawo zoluntu.
Indima yesisombululo se-calcium chloride:
1. I-alkaline: I-calcium ion hydrolysis i-alkaline, kwaye i-hydrogen chloride iguquguqukayo emva kwe-chloride ion hydrolysis.
2, conduction: kukho ion kwisisombululo esinokuhamba ngokukhululekileyo.
3, indawo yokukhenkceza: indawo yokukhenkceza yecalcium chloride ingaphantsi kunamanzi.
4, indawo ebilayo: i-calcium chloride enesisombululo esinamanzi indawo yokubila iphezulu kunamanzi.
I-5, i-evaporation crystallization: i-calcium chloride yesisombululo esimanzi i-evaporation crystallization ibe kwi-atmosfera ezele yi-hydrogen chloride.
Desiccant
I-calcium chloride ingasetyenziselwa i-desiccant okanye i-dehydrating agent yeegesi kunye ne-organic liquids.Nangona kunjalo, ayinakusetyenziselwa ukomisa i-ethanol kunye ne-ammonia, kuba i-ethanol kunye ne-ammonia isabela nge-calcium chloride ukwenza i-alcohol complex CaCl2 · 4C2H5OH kunye ne-ammonia complex CaCl2 · 8NH3, ngokulandelanayo.I-Anhydrous calcium chloride ingenziwa kwakhona kwiimveliso zendlu ezisetyenziswa njenge-agent ye-hygroscopic yomoya, i-anhydrous calcium chloride njenge-arhente yokufunxa amanzi iye yavunywa yi-FDA yokugqoka uncedo lokuqala, indima yayo kukuqinisekisa ukomisa kwesilonda.
Ngenxa yokuba i-calcium chloride ingathathi hlangothi, inokomisa i-acidic okanye i-alkaline gases kunye ne-organic liquids, kodwa nakwibhubhoratri ukwenza ixabiso elincinci leegesi ezifana ne-nitrogen, i-oksijini, i-hydrogen, i-hydrogen chloride, i-sulphur dioxide, i-carbon dioxide, i-nitrogen dioxide, njl. ., xa usomisa ezi gesi zivelisiweyo.I-Granular anhydrous calcium chloride idla ngokusetyenziswa njenge-desiccant ukuzalisa imibhobho yokomisa, kunye ne-algae enkulu (okanye i-ash ash) eyomisiwe nge-calcium chloride ingasetyenziselwa ukuveliswa kwe-soda ash.Ezinye ii-dehumidifiers zasekhaya zisebenzisa i-calcium chloride ukufunxa ukufuma emoyeni.
I-anhydrous calcium chloride isasazeke kwindlela enesanti, kwaye ipropathi yehygroscopic ye-anhydrous calcium chloride isetyenziselwa ukuthoba ukufuma emoyeni xa ukufuma komoya kusezantsi kunombethe ukugcina umphezulu wendlela umanzi, ukuze kulawulwe. uthuli endleleni.
I-agent ye-deicing kunye nebhafu yokupholisa
Icalcium chloride inokuthoba iqondo lomkhenkce lamanzi, yaye ukuwasasaza ezindleleni kunokuthintela ikhephu eliqhaqhazelis’ amazinyo, kodwa amanzi anetyuwa aphuma kwikhephu elinyibilikayo nomkhenkce anokonakalisa umhlaba nezityalo ezisecaleni kwendlela aze wonakalise ikhonkrithi yendlela.Isisombululo se-calcium chloride sinokuxutywa nomkhenkce owomileyo ukulungiselela ibhafu yokupholisa i-cryogenic.Umkhenkce oncamathelayo wongezwa kwisisombululo se-brine kwiibhetshi de kuvele umkhenkce kwinkqubo.Ukushisa okuzinzile kwebhafu yokupholisa kunokugcinwa ngeentlobo ezahlukeneyo kunye noxinzelelo lwezisombululo zetyuwa.Ikhalsiyam chloride isetyenziswa ngokubanzi njengendawo ekrwada yetyuwa, kwaye ubushushu obufunekayo obuzinzileyo bufunyanwa ngokuhlengahlengisa ukuxinana, kungekuphela nje ngenxa yokuba icalcium chloride inexabiso eliphantsi kwaye kulula ukuyifumana, kodwa nangenxa yobushushu be-eutectic yesisombululo se-calcium chloride (oko kukuthi, iqondo lobushushu xa isisombululo zonke ukujiya ukwenza amasuntswana ityuwa ice igranular) liphantsi kakhulu, leyo inokufikelela -51.0 ° C, ukuze uluhlu lobushushu adjustable ukusuka 0 ° C ukuya -51 ° C. Le ndlela inokuphunyezwa Dewar iibhotile ezinefuthe lokugquma, kwaye zingasetyenziswa kwizikhongozeli zeplastiki ngokubanzi ukubamba iibhafu zokupholisa xa umthamo weebhotile zeDewar ulinganiselwe kwaye izisombululo ezininzi zetyuwa kufuneka zilungiswe, apho ubushushu buhlala buzinzile.
Njengomthombo we-calcium ions
Ukongeza i-calcium chloride kumanzi edama lokuqubha kunokwenza amanzi edama abe sisithinteli se-pH kunye nokwandisa ukuqina kwamanzi echibini, okunokunciphisa ukukhukuliseka kodonga lwekhonkrithi.Ngokomgaqo kaLe Chatelier kunye nesiphumo se-isoionic, ukunyusa izinga le-calcium ion emanzini echibini kuyacotha ukuchithwa kweekhompawundi ze-calcium eziyimfuneko kwizakhiwo zekhonkrithi.
Ukongeza i-calcium chloride emanzini olwandle lwaselwandle konyusa inani le-calcium ekhoyo ekhoyo emanzini, kwaye iimollusks kunye nezilwanyana ezihlala emanzini ezikhuliswe kwii-aquariums ziyisebenzisa ukwenza amaqokobhe e-calcium carbonate.Nangona i-calcium hydroxide okanye i-calcium reactor inokufezekisa injongo efanayo, ukongeza i-calcium chloride yeyona ndlela ikhawulezayo kwaye inesiphumo esincinci kwi-pH yamanzi.
I-calcium chloride kwezinye izinto
Ukunyibilika kunye nemvelo exothermic ye-calcium chloride yenza ukuba isetyenziswe kwiitoti zokuzifudumeza kunye neepads zokufudumeza.
I-calcium chloride inokunceda ukukhawulezisa ukusetwa kokuqala kwikhonkrithi, kodwa i-ion ye-chloride inokubangela ukubola kweentsimbi zentsimbi, ngoko ke i-calcium chloride ayinakusetyenziswa kwikhonkrithi eyomeleziweyo.I-Anhydrous calcium chloride inokubonelela ngeqondo elithile lokufuma kwikhonkrithi ngenxa yeempawu zayo zehygroscopic.
Kwishishini lepetroleum, icalcium chloride isetyenziselwa ukunyusa ingxinano ye-solid-free brine, kwaye inokongezwa kwinqanaba elimanzi le-emulsified drilling fluids ukuthintela ukwanda kodongwe.Isetyenziswe njenge-flux yokunciphisa indawo yokuncibilika kwinkqubo yokuvelisa isinyithi se-sodium nge-electrolytic melting ye-sodium chloride yinkqubo ye-Davy.Xa i-ceramics yenziwe, i-calcium chloride isetyenziswe njengenye yezinto eziphathekayo, eziza kuvumela ukuba iinqununu zodongwe zimiswe kwisisombululo, ukwenzela ukuba iinqununu zodongwe zibe lula ukuyisebenzisa xa zixutywa.
Icalcium chloride ikwasisongezo kwiiplastiki nakwizicimi-mlilo, njengoncedo lokucoca kunyango lwamanzi amdaka, njengesongezo kwiziko eliqhumayo ukulawula ukudityaniswa kunye nokuncamathela kwezinto ezikrwada ukunqanda ukuhlaliswa kwentlawulo, kwaye njengediluent kwizithambisa zelaphu. .
Ixesha lokuposa: Mar-19-2024