Hanyoyin Leaching na Zinariya guda uku gama gari

A cikin Tsarin Zubar da Kayayyaki, bisa ga bambance-bambancen da ke cikin hanyoyin kwararar kayan da aka zubar da su da kuma abubuwan da ake zubar da su, za a iya gano hanyoyin zubar da su guda uku.

1. Leaching na yanzu

A cikin co - leaching na yanzu, kayan leached da leaching reagents suna gudana a hanya guda (Hoto 1). Wannan hanya na iya haifar da leachate tare da babban abun ciki na abubuwan da aka yi niyya kuma yana buƙatar ƙarancin amfani da reagents na leaching. Koyaya, saurin leaching ɗin sa yana jinkirin. Ana buƙatar tsawon lokacin leaching don cimma babban ƙimar leaching.

2. Giciye - Leaching na yanzu

A cikin giciye - leaching na yanzu, kayan leached an leached daban-daban tare da ɓangarorin sabobin leaching reagents da yawa. Ana aika leach ɗin da aka samu daga kowane aikin leaching daidai gwargwado don sarrafawa na gaba (Hoto na 2). Cross-Leaching na yanzu yana da saurin leaching da ɗan gajeren lokacin leaching, yana haifar da ƙimar leaching mai girma. Duk da haka, ƙarar leachate yana da girma, tare da babban taro na ragowar reagents. A sakamakon haka, yawan amfani da reagents yana da yawa, kuma abun ciki na abubuwan da aka yi niyya a cikin leachate yana da ɗan ƙaramin ƙarfi.

3. Counter - Leaching na yanzu

In counter - leaching na yanzu, kayan leached da reagents na leaching suna motsawa zuwa saɓanin kwatance. Wato, abubuwan da suka lalace bayan ayyukan leaching da yawa sun haɗu da sabon leach, yayin da ainihin kayan leach ɗin ke tuntuɓar leachate (Hoto na 3). Counter - leaching na yanzu yana iya samar da leachate tare da babban abun ciki na abubuwan da aka yi niyya kuma yayi cikakken amfani da ragowar reagents a cikin leachate, don haka rage yawan abubuwan leaching. Koyaya, saurin leaching ɗin sa ya yi ƙasa da na giciye - leaching na yanzu. Ana buƙatar mafi girma adadin matakan leaching don samun ƙimar leaching mai girma.

Percolation tanki leaching na iya ɗaukar co - halin yanzu, giciye - halin yanzu, ko counter - hanyoyin leaching na yanzu. Tuba leaching da a -wurin leaching gabaɗaya suna amfani da tsarin leaching na cyclic na yanzu. Ci gaba da zuga leaching yawanci yana ɗaukar tsarin leaching na yanzu. Idan za a yi amfani da giciye - halin yanzu ko counter - leaching na yanzu, ya kamata a ƙara ayyukan rabuwar ruwa mai ƙarfi tsakanin kowane mataki. Batch - sarrafa zuga leaching gabaɗaya co - leaching na yanzu, amma giciye - na yanzu ko counter - na yanzu ana iya amfani da leaching na yanzu. Koyaya, ana buƙatar rabuwa mai ƙarfi - ruwa bayan kowane aikin leaching, yana mai da aikin mai rikitarwa kuma ba a saba amfani dashi wajen samarwa ba. Percolation leaching iya kai tsaye samun bayyana leachate, yayin da slurry daga zuga leaching dole sha m - ruwa rabuwa don samun bayyananne leachate ko tsarma slurry dauke da karamin adadin tama barbashi ga m aiki.