Boks\u012bta r\u016bdu ar augstu alum\u012bnija oks\u012bdu koncentr\u0101ciju (65% vai vair\u0101k) ekonomiski izdev\u012bgi var ieguvi tikai tad, ja t\u0101 atrodas tropu re\u0123ionu tuvum\u0101 abpus ekvatoram; gibbs\u012bta un b\u0113hm\u012bta atradnes parasti atrodas \u0161aj\u0101s viet\u0101s, savuk\u0101rt diasporu galvenok\u0101rt sastopam zieme\u013cu re\u0123ionos.<\/p>\n
Bayer proces\u0101 ir \u010detri posmi: hidrol\u012bze, att\u012br\u012b\u0161ana, nogulsn\u0113\u0161ana un kalcin\u0113\u0161ana. Turpm\u0101k ir par\u0101d\u012bti \u0161o procesu ener\u0123ijas pat\u0113ri\u0146a r\u0101d\u012bt\u0101ji, izmantojot LCA simul\u0101cijas, kur\u0101s k\u0101 piem\u0113ri izmantoti gibbs\u012bta un b\u0113hm\u012bta-diasporas boks\u012bti.<\/p>\n
Alum\u012bnijs ir tre\u0161ais visvair\u0101k sastopamais elements Zemes garoz\u0101, un t\u0101 galvenais ra\u017eo\u0161anas avots ir boks\u012bts (Al\u2082O\u2083), ko ieguva atkl\u0101t\u0101s raktuv\u0113s un transport\u0113ja uz rafin\u0113\u0161anas r\u016bpn\u012bc\u0101m, kur to p\u0101rstr\u0101d\u0101ja alum\u012bnij\u0101, izmantojot Beijera procesu. Ener\u0123ijas pat\u0113ri\u0146\u0161 rafin\u0113\u0161anas proces\u0101 ietver boks\u012bta hidrol\u012bzi un alum\u012bnija oks\u012bda kalcin\u0113\u0161anu \u2013 dabasg\u0101zes sadedzin\u0101\u0161ana veido 66% siltumn\u012bcefekta g\u0101zu emisiju no \u0161\u012b procesa.<\/p>\n
Boks\u012bta hidrol\u012bze ir Beijera procesa s\u0101kotn\u0113jais posms. Kod\u012bg\u0101s sodas koncentr\u0101cijai ir b\u016btiska noz\u012bme, nosakot boks\u012bta hidroliz\u0113jam\u012bbu; procesa efektivit\u0101te palielin\u0101s l\u012bdz ar koncentr\u0101cijas pieaugumu l\u012bdz maksim\u0101lajai v\u0113rt\u012bbai \u2014 260 g\/l.<\/p>\n
Boks\u012bta r\u016bdas mitr\u0101 mal\u0161ana stie\u0146u dzirnav\u0101s, lod\u012b\u0161u dzirnav\u0101s vai pusautog\u0113naj\u0101s dzirnav\u0101s rada smalku \u0161\u0137idrumu, ko p\u0113c tam p\u0101rs\u016bta uz hidrol\u012bzes tvertn\u0113m, kur to sajauc ar karstu \u016bdeni augst\u0101 spiedien\u0101 un temperat\u016br\u0101, veidojot \u201cza\u013co \u0161\u0137idrumu\u201d. P\u0113c tam sarkano d\u016b\u0146u atliekas tiek atdal\u012btas un izskalotas, izmantojot prim\u0101ros ciklonus un gr\u0101bek\u013cu sabiez\u0113t\u0101jus, un to atliekas tiek nos\u016bt\u012btas atpaka\u013c turpm\u0101kai hidrol\u012bzei k\u0101 \u201cizlietotais \u0161\u0137\u012bdums\u201d.\u201d<\/p>\n
Nemagn\u0113tisk\u0101 boks\u012bta apstr\u0101de p\u0113c Bajera metodes ietver dzelzi saturo\u0161o miner\u0101lu atdal\u012b\u0161anu no alum\u012bnija oks\u012bda, izmantojot reduc\u0113jo\u0161o apdedzin\u0101\u0161anu un magn\u0113tisk\u0101s atdal\u012b\u0161anas procesus, turkl\u0101t, apstr\u0101d\u0101jot zem\u0101k\u0101s temperat\u016br\u0101s, galvenie alum\u012bnija oks\u012bda avoti ir diaoyudao\u012bts un n\u0101trija alum\u012bnijsilik\u0101ts.<\/p>\n
Ferment\u0101cijas posms ir visenergoietilp\u012bg\u0101kais posms alum\u012bnija oks\u012bda rafin\u0113\u0161an\u0101, jo taj\u0101 tiek pat\u0113r\u0113ts liels siltumener\u0123ijas daudzums, kas nepiecie\u0161ams kod\u012bg\u0101s sodas sild\u012b\u0161anai. Turkl\u0101t \u0161aj\u0101 posm\u0101 ir iev\u0113rojams ar\u012b \u016bdens un elektroener\u0123ijas pat\u0113ri\u0146\u0161. Anal\u012bzes nol\u016bkos, \u0146emot v\u0113r\u0101 vid\u0113jo ES ener\u0123ijas avotu kombin\u0101ciju, LCA rezult\u0101ti liecina, ka, izmantojot Bayer procesu un dabasg\u0101zi k\u0101 siltuma avotu ferment\u0101cijas proces\u0101, uz katru sara\u017eoto tonnu tie\u0161i rodas 639 kg CO2 ekvivalenta emisiju; emisijas iev\u0113rojami samazin\u0101j\u0101s, ja tika izmantota dabasg\u0101ze k\u0101 siltuma avots, kas nor\u0101da uz t\u0101s ietekmi uz vides r\u0101d\u012bt\u0101jiem LCA apr\u0113\u0137inos.<\/p>\n
Alum\u012bnijs ir m\u012bksts, sudrabots met\u0101ls, kas dab\u0101 sastopams saist\u012bts ar sk\u0101bekli miner\u0101los un ie\u017eos, piem\u0113ram, boks\u012bt\u0101. Tom\u0113r, lai ra\u017eotu alum\u012bniju, boks\u012bts vispirms ir j\u0101p\u0101rstr\u0101d\u0101 \u2013 tam nepiecie\u0161ams pievienot \u016bdeni un da\u017e\u0101dus piemais\u012bjumus, piem\u0113ram, dzelzs oks\u012bdu, sil\u012bciju un dzelzs(III) oks\u012bdu; ekonomiski izdev\u012bgi p\u0101rstr\u0101d\u0101t ir tikai tos boks\u012btus, kuru alum\u012bnija oks\u012bda koncentr\u0101cija ir 30\u201366%. Tikai atsevi\u0161\u0137\u0101m valst\u012bm ir pietiekami lieli nogulumu kr\u0101jumi ar pietiekami augstu alum\u012bnija oks\u012bda koncentr\u0101ciju, lai apmierin\u0101tu pasaules alum\u012bnija piepras\u012bjumu.<\/p>\n
Lai ra\u017eotu alum\u012bnija oks\u012bdu, boks\u012bts vispirms j\u0101iz\u0161\u0137\u012bdina kod\u012bg\u0101 sod\u0101 augst\u0101 temperat\u016br\u0101, izmantojot hidrol\u012bzes procesu \u2013 \u0161o procesu sauc par hidrol\u012bzi. P\u0113c procesa pabeig\u0161anas \u0161\u0137\u012bdums ir j\u0101att\u012bra sabiez\u0113\u0161anas iek\u0101rt\u0101s, pirms to sadala sarkanajos nogulsn\u0113s un n\u0101trija alum\u012bn\u0101ta \u0161\u0137\u012bdumos \u2013 sarkan\u0101s nogulsnes ir paz\u012bstamas k\u0101 ne\u0161\u0137\u012bsto\u0161s atlikums no boks\u012bta p\u0101rstr\u0101des; savuk\u0101rt n\u0101trija alum\u012bn\u0101ta \u0161\u0137\u012bdumi tiek novad\u012bti caur augst\u0101m tvertn\u0113m, ko sauc par nogulsn\u0113t\u0101jiem, kur tiek pievienotas alum\u012bnija hidroks\u012bda s\u0113klas (\u013coti s\u012bkas da\u013ci\u0146as), lai atdziestot \u0161\u012bs s\u0113klas veicina cietu alum\u012bnija hidroks\u012bda krist\u0101lu veido\u0161anos, kas nogulsn\u0101s \u0161o tvert\u0146u diben\u0101, pirms tos no t\u0101m iz\u0146em, \u013caujot veikt turpm\u0101ku p\u0101rstr\u0101di vai apglab\u0101\u0161anu.<\/p>\n
Par katru sara\u017eoto alum\u012bnija tonnu rodas vismaz divas tonnas atkritumu, ieskaitot ieguves atkritumus, alum\u012bnija oks\u012bda ra\u017eo\u0161anas atlikumus un citus l\u016b\u017e\u0146us vai cietos atkritumus. Kaus\u0113\u0161anas proces\u0101 tiek izdal\u012btas ar\u012b siltumn\u012bcefekta g\u0101zes.<\/p>\n
Boks\u012bta ieguve ir darbietilp\u012bgs process, kas prasa smago tehniku st\u0101v\u0101, gr\u016bti p\u0101rvaram\u0101 reljef\u0101. Turkl\u0101t t\u0101du iek\u0101rtu k\u0101 skr\u0101pju un urbju ekspluat\u0101cija var izrais\u012bt visa \u0137erme\u0146a vibr\u0101ciju, kas noved pie musku\u013cu un skeleta sist\u0113mas slim\u012bb\u0101m un mugurkaula trauc\u0113jumiem, k\u0101 ar\u012b roku un plaukstu vibr\u0101ciju, ko rada vibr\u0113jo\u0161u instrumentu, piem\u0113ram, \u0101muru un elektrisko instrumentu, lieto\u0161ana \u2013 kas v\u0113l vair\u0101k palielina \u0161o risku.<\/p>\n
Lai gan alum\u012bnija oks\u012bda ra\u017eo\u0161anai tiek izmantoti sk\u0101bes un elektrotermiskie procesi, tie ir d\u0101rgi. Domin\u0113jo\u0161\u0101 rafin\u0113\u0161anas metode ir Beijera process, kas sast\u0101v no \u010detriem posmiem \u2014 hidrol\u012bzes, att\u012br\u012b\u0161anas, nogulsn\u0113\u0161anas un kalcin\u0113\u0161anas \u2014, kurus izmanto alum\u012bnija oks\u012bda rafin\u0113\u0161anai. Austr\u0101lija, \u0136\u012bna un Krievija pa\u0161laik ir tr\u012bs liel\u0101kie ra\u017eot\u0101ji pasaul\u0113; Austr\u0101lijai ir raktuves un rafin\u0113\u0161anas r\u016bpn\u012bcas Rietumaustr\u0101lij\u0101 (Kvinan\u0101 un Vagerup\u0101) un Kv\u012bnslend\u0101; starp t\u0101m ir ar\u012b Tasm\u0101nijas un Kv\u012bnslendas Jarvunas alum\u012bnija kaus\u0113tavas, savuk\u0101rt \u0136\u012bna savai ra\u017eo\u0161anai liel\u0101 m\u0113r\u0101 pa\u013caujas uz importu no Austr\u0101lijas, Braz\u012blijas, Gvinejas utt.<\/p>\n
Boks\u012bts, kas ir galven\u0101 alum\u012bnija r\u016bda, bie\u017ei veido izklied\u0113tas k\u0101rtas, kuras paz\u012bstamas k\u0101 later\u012bts vai durikrusta, uz da\u017e\u0101diem ie\u017eu veidiem, kas satur alum\u012bnija oks\u012bdu saturo\u0161us miner\u0101lus, tostarp dzelzs oks\u012bdus, sil\u012bcija dioks\u012bdu un tit\u0101na oks\u012bdu. Alum\u012bnija oks\u012bdu var ieg\u016bt, apstr\u0101d\u0101jot un nogulsn\u0113jot later\u012bta\/durikrusta sl\u0101\u0146us.<\/p>\n
Alum\u012bnija oks\u012bda kalcin\u0113\u0161anas rezult\u0101t\u0101 rodas komerci\u0101li t\u012brs alum\u012bnija oks\u012bds. Lai no t\u0101 atdal\u012btu iek\u013cuvu\u0161o s\u0101rmu un \u0161\u0137\u012bdumu, to filtr\u0113 un mazg\u0101, p\u0113c tam, lai pabeigtu \u0161o procesu, to uzkars\u0113 vai nu rot\u0101cijas kr\u0101sn\u012bs, vai stacion\u0101r\u0101s cirkul\u0101cijas sl\u0101\u0146a \u0101tr\u0101s kalcin\u0113\u0161anas iek\u0101rt\u0101s l\u012bdz 960 \u00b0C (1 750 \u00b0F).<\/p>\n
Gibbs\u012bts un b\u0113m\u012bts kalcin\u0101cijas laik\u0101 p\u0101rveidojas par alfa-alum\u012bniju, atbr\u012bvojot OH grupas un zaud\u0113jot l\u012bdz pat 30% \u016bdens, nodro\u0161inot izcilus p\u0101rveido\u0161an\u0101s \u0101trumus un produkta \u012bpa\u0161\u012bbas. Lai pan\u0101ktu maksim\u0101lu efektivit\u0101ti un optim\u0101lus p\u0101rveido\u0161an\u0101s \u0101trumus, gibbs\u012btam vajadz\u0113tu b\u016bt liel\u0101kam vid\u0113jam da\u013ci\u0146u izm\u0113ram sal\u012bdzin\u0101jum\u0101 ar b\u0113m\u012btu, kas nodro\u0161ina lab\u0101kus p\u0101rveido\u0161an\u0101s \u0101trumus un produkta \u012bpa\u0161\u012bbas \u2013 to apstiprina ar\u012b t\u0101 virsmas laukums, kas ir gandr\u012bz 280 reizes liel\u0101ks nek\u0101 t\u0101 analogajam GB prekursoram.<\/p>\n
\u0160ie tekst\u016bras parametri ir iz\u0161\u0137iro\u0161i, lai izgatavotu \u012bpa\u0161i piel\u0101gotus alum\u012bnija oks\u012bda pulverus, kas paredz\u0113ti izmanto\u0161anai k\u0101 katalizatori un absorbenti, k\u0101 ar\u012b lai noteiktu to nodilumiztur\u012bbu un zemo LOI v\u0113rt\u012bbu. P\u0113c ra\u017eo\u0161anas \u0161is alum\u012bnija oks\u012bds tiek izkaus\u0113ts, lai ieg\u016btu met\u0101lisku alum\u012bniju.<\/p>\n
Kaus\u0113\u0161anas proces\u0101 alum\u012bnija oks\u012bdu kars\u0113 augst\u0101 temperat\u016br\u0101 elektriskaj\u0101 loka kr\u0101sn\u012b, lai ieg\u016btu kaus\u0113tu alum\u012bniju, savuk\u0101rt piemais\u012bjumi, piem\u0113ram, dzelzs un sil\u012bcijs, tiek atdal\u012bti ar elektro\u0137\u012bmisko anodu pal\u012bdz\u012bbu, t\u0101d\u0113j\u0101di uz katodiem paliekot tikai t\u012bram alum\u012bnijam, ko p\u0113c tam izlej liet\u0146os t\u0101l\u0101kai apstr\u0101dei.<\/p>\n
P\u0113c tam alum\u012bnija oks\u012bdu var t\u0101l\u0101k p\u0101rstr\u0101d\u0101t, lai ieg\u016btu boks\u012btu, ko izmanto da\u017e\u0101du izstr\u0101d\u0101jumu ra\u017eo\u0161an\u0101, kuru alum\u012bnija saturs sv\u0101rst\u0101s no 10% l\u012bdz 30% p\u0113c svara. Plastmasa ir \u0101rk\u0101rt\u012bgi elast\u012bgs materi\u0101ls ar daudzveid\u012bg\u0101m fizik\u0101laj\u0101m \u012bpa\u0161\u012bb\u0101m, piem\u0113ram, iztur\u012bbu, ciet\u012bbu un elektrovad\u012btsp\u0113ju. To var atrast b\u016bvmateri\u0101los, piem\u0113ram, logos un durv\u012bs, k\u0101 ar\u012b automobi\u013cu nozar\u0113, piem\u0113ram, brem\u017eu uzlik\u0101s un transmisijas deta\u013c\u0101s. Boks\u012bts ir pla\u0161i atz\u012bts par netoksisku miner\u0101lu, kas nerada noz\u012bm\u012bgus draudus ne cilv\u0113kiem, ne videi. Tom\u0113r boks\u012bta ieguves nozarei ir stingri j\u0101kontrol\u0113 ar to saist\u012btie vides riski; vec\u0101k\u0101s alum\u012bnija oks\u012bda rafin\u0113\u0161anas r\u016bpn\u012bc\u0101s var atrasties azbestu saturo\u0161i miner\u0101li, kas saist\u012bti ar mezoteliomu, k\u0101 ar\u012b cit\u0101m plau\u0161u slim\u012bb\u0101m.<\/p>\n
Alum\u012bnija oks\u012bds (paz\u012bstams ar\u012b k\u0101 alum\u012bnija oks\u012bds) ir galven\u0101 izejviela, kas nepiecie\u0161ama alum\u012bnija ra\u017eo\u0161anai; to ieg\u016bst, rafin\u0113jot boks\u012btu, un p\u0113c tam att\u012bra. Rafin\u0113to alum\u012bnija oks\u012bdu p\u0113c tam var izmantot prim\u0101r\u0101 alum\u012bnija ra\u017eo\u0161anai, izmantojot elektrol\u012bzes procesu; uz katru sara\u017eoto tonnu ir nepiecie\u0161amas aptuveni divas tonnas \u0161\u012bs vielas. Rafin\u0113to alum\u012bnija oks\u012bdu izmanto ar\u012b k\u0101 \u016bdens att\u012br\u012b\u0161anas l\u012bdzekli, k\u0101 ar\u012b k\u0101 piedevu t\u0113rauda ra\u017eo\u0161an\u0101, ugunsiztur\u012bgo materi\u0101lu un keramikas r\u016bpniec\u012bb\u0101.<\/p>\n
Alum\u012bnija oks\u012bda ra\u017eo\u0161ana notiek saska\u0146\u0101 ar Beijera procesu \u2014 \u010detru posmu proced\u016bru. Sadal\u012b\u0161an\u0101s s\u0101kas, boks\u012btu sajaucot ar kod\u012bgo sodu \u013coti augst\u0101 temperat\u016br\u0101 \u012bpa\u0161\u0101s sadal\u012b\u0161anas tvertn\u0113s; p\u0113c tam nogulsn\u0113\u0161anas proces\u0101 no \u0161\u012b \u0161\u0137\u012bduma tiek atdal\u012bti alum\u012bnija oks\u012bda krist\u0101li, meh\u0101niski maisot atkl\u0101t\u0101s tvertn\u0113s; nogulsn\u0113tais alum\u012bnija oks\u012bds tiek \u0161\u0137irots p\u0113c izm\u0113ra, izmantojot gravit\u0101ciju vai ciklonu \u2013 liel\u0101kie krist\u0101li tiek nos\u016bt\u012bti uz kalcin\u0113\u0161anu, bet maz\u0101kie \u2013 uz att\u012br\u012b\u0161anu.<\/p>\n
Boks\u012bta raktuv\u0113s ieguves un p\u0101rstr\u0101des procesu rezult\u0101t\u0101 rodas iev\u0113rojams atkritumu daudzums, piem\u0113ram, augsnes pies\u0101r\u0146ojums, alum\u012bnija oks\u012bda smalk\u0101s da\u013ci\u0146as un citi atkritumi. Alum\u012bnija oks\u012bda rafin\u0113\u0161anas r\u016bpn\u012bc\u0101s uz katru sara\u017eoto alum\u012bnija oks\u012bda tonnu rodas aptuveni 2\u20132,5 tonnas cietu atkritumu \u2014 da\u013ca no \u0161iem atkritumiem var satur\u0113t pat toksisko tenorm\u012bnu (TENORM).<\/p>\n
Dro\u0161\u012bba ir \u0101rk\u0101rt\u012bgi svar\u012bga gan boks\u012bta ieguves, gan p\u0101rstr\u0101des darbos, jo darbinieki ir pak\u013cauti ar ab\u0101m \u0161\u012bm darb\u012bb\u0101m saist\u012btiem vesel\u012bbas un dro\u0161\u012bbas apdraud\u0113jumiem. Noteikt\u0101s raktuvju viet\u0101s darbiniekus r\u016bp\u012bgi p\u0101rbauda, vai nav kukai\u0146u kodumu, un \u0161aj\u0101 nol\u016bk\u0101 var tikt izmantoti mosk\u012btu t\u012bkli vai citi profilakses pas\u0101kumi, lai samazin\u0101tu \u0161o risku; atkar\u012bb\u0101 no atra\u0161an\u0101s vietas var tikt ieteikta mal\u0101rijas profilakse, k\u0101 ar\u012b var b\u016bt nepiecie\u0161ama vakcin\u0101cija pret dzelteno drudzi.<\/p>\n
Tikai 20 valst\u012bs vis\u0101 pasaul\u0113 darbojas alum\u012bnija oks\u012bda rafin\u0113\u0161anas r\u016bpn\u012bcas, no kur\u0101m liel\u0101k\u0101 da\u013ca atrodas \u0136\u012bn\u0101, Braz\u012blij\u0101 un Austr\u0101lij\u0101. \u0160aj\u0101s r\u016bpn\u012bc\u0101s ra\u017eotais alum\u012bnija oks\u012bds parasti tiek p\u0101rdots alum\u012bnija kaus\u0113tav\u0101m k\u0101 izejmateri\u0101ls prim\u0101rajai ra\u017eo\u0161anai, bet atliku\u0161ais daudzums tiek p\u0101rdots citiem ra\u017eot\u0101jiem da\u017e\u0101diem lietojumiem. Lai nodro\u0161in\u0101tu optim\u0101lu darb\u012bbu, rafin\u0113\u0161anas r\u016bpn\u012bc\u0101m nepiecie\u0161ami iev\u0113rojami laika, finan\u0161u un cilv\u0113kresursu ieguld\u012bjumi.<\/p>","protected":false},"excerpt":{"rendered":"
Bauxite ore with high concentrations of aluminium oxides (65% or greater) can only be economically mined when located near tropical regions both sides of the Equator; gibbsite and boehmite deposits typically fall in these locations while diaspore is predominantly located in northern regions. The Bayer process entails four steps: digestion, clarification, precipitation and calcination. Energy […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[64],"tags":[],"class_list":["post-645","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts\/645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/comments?post=645"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts\/645\/revisions"}],"predecessor-version":[{"id":646,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts\/645\/revisions\/646"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/media?parent=645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/categories?post=645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/tags?post=645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}