Available LNG Technologies (Liquefaction Process)?

Selection the Liquefaction Process is the Key section in the LNG plant construction.The liquefaction section usually includes 30-40% of capital cost of overall LNG plant.The technology selection is done in the early stage of LNG project and it is made in the feasibility study or Pre FEED stage. There are some liquefaction process that the best one should be chosen with respect to specified project's conditions.Here we draw your attention to available proven liquefaction process that are used or are bing applied in the current LNG plants:

1. APCI (propane pre cooled mixed refrigerant process ). Nowadays many of active LNG plants use this process.That is functional for plants up to 4.7 mtpa capacity.
2. Black & Weatch PRICO Process.This is the technology that is using by LNG plant in Algeria.Train capacity has been uprated to 1.3 mtpa.
3. Axens Liquefine Process.This is two mixed refrigerant process that is practicable up to 6 mtpa train capacity.
4. Phillips Optimise Casecade Process.This model is the updated version of procees that was used in earlier LNG plant of Alaska and is also used for the Atelantic LNG plant in Trinidad and for a under construction LNG plant in Egipt. Train capacity is up to 3.3 mtpa.
5. Shell Double Mixed Refrigrant Process(DMR).This is a double mixed refrigerant process which is bing applied in Sakhalin and Persian LNG projects.The train capacity is 4.8 and 8.1 mtpa respectively.The recent capacity is the largest under construction train capacity .