Gas nri ngalaba iwepụ asịd
Gas nri a na-etinye nrụgide na-abanye na ngalaba deacidification, nke na-eji ngwọta MDEA wepụ CO2, H2S na gas acid ndị ọzọ dị na gas nri.
Gas sitere n'okike na-abanye site na ala nke ihe na-amịkọrọ mmiri ma na-agafe site na ala ruo n'elu; Ngwọta MDEA emelitere kpamkpam (mgwọta dị nro) na-abanye site na elu nke ihe na-amịkọrọ mmiri ma na-agafe site na ihe na-amịkọrọ mmiri site n'elu ruo ala. Ngwọta MDEA na gas sitere n'okike na-abanye nke ọma n'ime ihe na-amịkọrọ mmiri. A na-amịkọrọ CO2 dị na gas ahụ ma na-abanye n'usoro mmiri mmiri. A na-eduga ihe ndị a na-amịkọrọ mmiri site n'elu ihe na-amịkọrọ mmiri ma na-abanye na ihe na-ekpo ọkụ na ihe na-ekewa mmiri. Gas sitere na ihe na-ekewa mmiri gas decarbonization na-abanye na ngalaba nkụcha gas nri, condensate na-agakwa na tankị flash.
Ọdịnaya nke CO2 dị na gas eke a gwọrọ erughị 50ppmv.
A na-akpọ ngwọta MDEA nke na-amịkọrọ CO2 rich solution, nke a na-eziga na ụlọ elu flash, a na-ezigakwa gas sitere n'okike nke flash depressurization na-emepụta na sistemụ mmanụ. Mgbe mgbanwe okpomọkụ gasịrị n'etiti mmiri mmiri jupụtara na-enwu na mmiri mmiri (mmiri mmiri dị nro) na-esi n'ala ụlọ elu renovation pụta, bulie okpomọkụ ahụ ruo ~ 98 ℃ gaa n'elu ụlọ elu renovation, ma mee mwepụ nke ihe mkpofu na ụlọ elu renovation ruo mgbe ọkwa dị nro nke mmiri mmiri dị nro ruru na index.
Mmiri mmiri dị nro nke si n'ụlọ elu mmeghari ahụ na-agafe n'ime ihe na-agbanwe okpomọkụ mmiri bara ụba na nke dara ogbenye na ihe na-ajụ oyi mmiri dị nro. Mmiri mmiri dị nro ahụ na-ajụ oyi ruo ~ 40 ℃, site na ọkpọkọ mmiri dị nro ma na-abanye site na elu nke ụlọ elu nnabata.
Gas nke dị n'elu ụlọ elu mmeghari ahụ na-abanye na ihe nkewa gas acid site na ihe na-ekpo ọkụ gas acid, a na-eziga gas sitere na ihe nkewa gas acid na sistemụ mwepụ gas acid, a na-ezigakwa condensate na ihe nkewa flash mgbe mgbapụta mgbake ahụ rụsịrị ya.
A na-eji mmanụ nnyefe okpomọkụ ekpo ọkụ isi iyi okpomọkụ nke reboiler nke ụlọ elu mmeghari.
Isi ihe eji arụ ọrụ nke ngalaba a bụ ụlọ elu nnabata na ụlọ elu mmeghari ohuru.
Gas nri ihe nkụ
Nkewa a na-eji teknụzụ nnabata okpomọkụ maka nkewa na nhicha gas. Teknụzụ nnabata okpomọkụ dabere na nnabata anụ ahụ nke molekul gas n'elu ime nke nnabata (ihe siri ike nke nwere oghere), ma na-eji njirimara nke ikike nnabata nke nnabata maka gas na-agbanwe site na okpomọkụ na nrụgide nnabata dị iche iche. N'ọnọdụ nke nnabata na-amịkọrọ akụkụ gas dị iche iche, ọ na-amịkọrọ ụfọdụ akụkụ na gas agwakọta na obere okpomọkụ na nrụgide dị elu. Akụkụ ndị na-anaghị amịkọrọ na-asọpụta site na oyi akwa nnabata ma wepụ akụkụ ndị a na-amịkọrọ na okpomọkụ dị elu na nrụgide dị ala maka nnabata okpomọkụ dị ala na nrụgide dị elu ọzọ. Enwere ike iji ọtụtụ ụlọ elu nnabata iji mezuo ebumnuche nke nkewa gas na-aga n'ihu.
Ngwaọrụ nkụ gas nri nwere ihe ndọpụ abụọ maka ọrụ mgbanwe, gụnyere otu maka ịmịnye, otu maka ịmịnye oyi.
Mmanụ nri sitere na gas deacidification gas na-abanye n'elu ihe na-eme ka ihe dị n'ime ya dị ...
Ngwa mwepụ nke gas dị arọ nke na-ebufe ihe oriri na-eji obere gas dị ọcha dị ka ihe na-eme ka oyi na-atụ ma na-eme ka ọ dịghachi ndụ.
Gas renovation na-ebu ụzọ gafere site na adsorber jụrụ oyi site na ala ruo n'elu, wee kpoo gas renovation ọkụ ruo na okpomọkụ renovation nke 180 ~ 220 ℃ site na ihe na-ekpo ọkụ renovation, wee banye site na ala adsorber iji hydrolyze ma tinye adsorbent ahụ. Gas renovation na-esi n'elu drọwa apụta ma banye na ihe nkesa gas renovation mgbe oyi renovation jụrụ ya. Mgbe o kewasịrị mmiri ahụ, ọ na-abanye n'ọnụ ụzọ ụlọ elu adsorption.
Mgbe ọ gafere na nkeji ahụ, mmiri dị na gas akọrọ bụ ≤ 1ppm.
Ngwa bụ isi bụ ụlọ elu a na-amịkọrọ ihe, ihe na-ekpo ọkụ maka mmeghari ohuru, ihe na-ekpo ọkụ maka mmeghari ohuru, ihe na-ekewa gas maka mmeghari ohuru na ihe na-eme ka ọ dịghachi ndụ.
Oge ozi: Jun-03-2022