Ingantacciyar Hanya don Haɗin Sodium Hydrosulfide Amfani da Strontium Carbonate

Sodium sulfide da kuma Sodium hydrosulfide samfura ne guda biyu da aka samu ta hanyar hanyar sharar alkaline don magance haɗakarwar ammonia iskar gas ɗin sharar gida. Dukansu sodium sulfide da sodium hydrosulfide suna da aikace-aikace masu yawa. Ana iya amfani da sodium sulfide a cikin masana'antar rini don kera sulfur rini, a masana'antar ƙarfe mara ƙarfe a matsayin wakilin flotation na ma'adanai, a masana'antar fata a matsayin wakilin dehaling na fata mai danshi, da kuma a masana'antar takarda a matsayin wakilin girki na takarda. Ana iya amfani da sodium hydrosulfide a masana'antar rini don haɗa tsaka-tsakin halittu, a masana'antar fata don dehaling da tanning fatun danye, da kuma a masana'antar taki don cire monomer sulfur daga aiki Carbon masu cire sinadarin sulfur.

Sodium hydrosulfide wani sabon nau'in albarkatun kasa ne da aka samo asali bayan sodium sulfide, kuma galibi yana wanzuwa azaman HS⁻ ions a cikin ruwa. Maganin sa na ruwa yana da ƙananan alkalinity idan aka kwatanta da sodium sulfide, kuma yana nuna kyakkyawan aikin aikace-aikacen a masana'antar haske, masana'antar sinadarai, da sauran fannoni. Alal misali, ana amfani da shi azaman albarkatun kasa don samar da ammonium sulfide da ethyl mercaptan; a cikin masana'antar hakar ma'adinai, ana amfani da ita sosai wajen samun fa'ida ta tagulla.

A halin yanzu, yawancin kamfanoni suna aiki ta hanyar tattara iskar hydrogen sulfide da carbon dioxide da aka haifar yayin shirye-shiryen strontium carbonate, Tabbatar da cewa iskar hydrogen sulfide da carbon dioxide suna da wasu ƙididdiga da matsa lamba kafin gabatar da su a cikin maganin alkaline don amsawa. Wannan yana nufin cewa tsarin shirye-shiryen don strontium carbonate da sodium hydrosulfide sun bambanta, kuma kafin shirye-shiryen sodium hydrosulfide, ma'aikata suna buƙatar aiwatar da matakai masu yawa na matsakaici da tsari, yin tsarin shirye-shiryen yana da rikitarwa.

Matakan Tsarin samarwa

1. Ana shigar da maganin ruwa na sodium sulfide a cikin hasumiya ta farko ta hanyar hasumiyar dawo da carbon dioxide, kuma ana shigar da carbon dioxide a cikin hasumiya ta farko, inda sodium sulfide aqueous bayani da carbon dioxide suka amsa.

2. A mataki (1), sakamakon strontium carbonate, samar da hydrogen sulfide gas, da kuma unreacted carbon dioxide da aka tattara da kuma mayar da su daga farko dauki hasumiya a cikin carbon dioxide hasumiyar dawo da hasumiya. Carbon dioxide da ba a amsa ba yana amsawa tare da maganin ruwa na sodium sulfide a cikin hasumiya na dawo da carbon dioxide, yayin da iskar hydrogen sulfide ke shiga hasumiya ta biyu ta hanyar hasumiya ta dawo da carbon dioxide.

3. Sodium hydroxide alkaline bayani aka gabatar a cikin na biyu dauki hasumiya ta hanyar hydrogen sulfide dawo da hasumiya, inda hydrogen sulfide gas reacts tare da sodium hydroxide alkaline bayani a cikin na biyu dauki hasumiya.

4. Ana tattara samfurin sodium hydrosulfide daga mataki (3), kuma an sake dawo da iskar hydrogen sulfide da ba a yi ba a cikin hasumiya na dawo da hydrogen sulfide don amsawa tare da maganin alkaline sodium hydroxide.

A taƙaice, wannan tsari na iya bi da bi don samar da strontium carbonate da sodium hydrosulfide, yana nuna kyakkyawan tsari na ci gaba da samun nasarar sake amfani da albarkatun ƙasa da samfuran. Bugu da ƙari, wannan tsari yana sauƙaƙa shirye-shiryen sodium hydrosulfide ta hanyar rage buƙatar matsakaicin matsakaici da matakan ƙira. Bugu da ƙari kuma, yana ɗaukar iskar carbon dioxide da hydrogen sulfide yadda ya kamata, yana hana hydrogen sulfide fitowa cikin sararin samaniya kuma yana haifar da gurɓataccen iska.