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首页> 外文会议>GPA 90th annual convention proceedings: High definition at 90 advancing the midstream vision. >Controlled Freeze Zone? Technology for the Commercialization of Challenging Sour Gas Resources
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Controlled Freeze Zone? Technology for the Commercialization of Challenging Sour Gas Resources

机译：受控冻结区？具有挑战性的酸性天然气资源商业化技术

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With vast amounts of readily processed sweet gas already produced, remaining global natural gasrnresources are increasingly sour in nature, many with a CO_2 content well in excess of 30%. At thernsame time, environmental concerns over greenhouse gas emissions limit the options for largernscale CO_2 disposal to essentially underground reinjection.rnThe Controlled Freeze ZoneTM (CFZ?) technology provides for the single-step removal of CO_2rnas well as other acid gas components present in the feed, and providing them as a high pressurernliquid that can be readily reinjected for geosequestration or EOR purposes. Thus, the CFZ?rnprocess is able to reduce the cost of developing of sour gas resources, thereby increasing thernsupply of available clean burning natural gas, while protecting the environment.rnExxonMobil piloted the CFZ? concept at a 600 kscfd pilot plant facility and is now starting uprna 14 Mscfd commercial demonstration plant (CDP) in Wyoming, USA. The CDP will processrnfeed streams with CO_2 contents ranging up to 65% and H2S contents of up to 35% at pressuresrnup to 600 psia. The CDP will also demonstrate the advantages of discharging the sour gasrncomponents as a high pressure liquid stream by reinjecting the acid gas components via anrnexisting acid gas injection (AGI) facility.rnExxonMobil has also developed conceptual designs for deployment of the CFZ? concept tornhandle production at several potential sour gas developments around the globe.rnThis paper will provide a review of the CFZ? technology, details concerning how to employ therntechnology over the applicable range of sour gas compositions, and examples showing thernproposed process arrangement for specific sour gas developments.
机译：由于已经产生了大量易于处理的甜气，剩余的全球天然气资源自然也变得越来越酸，其中许多CO_2含量远远超过30％。在同一时间，有关温室气体排放的环境问题将更大规模的CO_2处置选择限制为基本上是地下再注入。rnControlled Freeze ZoneTM（CFZ？）技术可一步一步除去饲料中存在的CO_2rnas和其他酸性气体成分。 ，并将其作为高压液体提供，可以方便地重新注入以进行地质封存或EOR。因此，CFZ流程可以降低开发含硫气体资源的成本，从而在保护环境的同时增加了可利用的清洁燃烧天然气的供应。这个概念在600 kscfd的中试工厂设施中启动，目前正在美国怀俄明州启动uprna 14 Mscfd商业示范工厂（CDP）。 CDP将在压力高达600 psia的条件下处理CO_2含量高达65％和H2S含量高达35％的料流。 CDP也将展示通过通过不存在的酸性气体注入（AGI）设备重新注入酸性气体成分而将酸性气体成分作为高压液体流排放的优势。埃克森美孚还开发了用于CFZ部署的概念设计。概念性处理在全球多个潜在的酸性气体开发中的生产。本文将对CFZ进行回顾。技术，有关在酸性气体成分适用范围内如何使用该技术的细节，以及显示针对特定酸性气体开发提出的工艺安排的示例。

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