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1. 发明授权

KR101203986B1 바이오가스의 정제가스에 포함된 이산화탄소 액화 회수 시스템 및 그 방법 有权
标题翻译：液化和回收生物气体精炼气体中的二氧化碳系统和方法
公开(公告)号：KR101203986B1
公开(公告)日：2012-11-22
申请号：KR1020120032148
申请日：2012-03-29
申请人： 한라산업개발 주식회사 , 한국가스공사 , 수도권매립지관리공사
发明人： 허남효 , 이진욱 , 김기동 , 오영삼 , 하종만 , 조병학 , 정종태 , 최경식 , 이재철 , 원종철 , 전은정
IPC分类号： B01D53/62 , B01D5/00 , F25J3/00 , B01D53/75
CPC分类号： Y02P70/34 , B01D53/62 , B01D5/00 , B01D53/002 , B01D53/28 , B01D53/48 , B01D53/75 , B01D2251/602 , B01D2257/30 , B01D2257/504 , F25J3/00
摘要： PURPOSE: A liquefying and collecting system of carbon dioxide and a method for the same are provided to prevent carbon dioxide from exhausting to the atmosphere and to reduce the volume of the carbon dioxide. CONSTITUTION: A liquefying and collecting method of carbon dioxide includes the following steps: exhaust gas from a biogas refining process is cooled from a first temperature to a second temperature, and impurities are removed from the exhaust gas in a pre-treatment part(S1010); the exhaust gas is compressed in a compressing part(S1020); the exhaust gas is cooled to a third temperature, and impurities are further removed from the exhaust gas in a refining part(S1030); the exhaust gas is cooled to a fourth temperature and is condensed to become liquefied gas in a liquefying part(S1040); and the liquefied gas is heated to the storage temperature of carbon dioxide, and other gas except for the carbon dioxide is degassed from the liquefied gas to increase the purity of liquefied carbon dioxide in a post treatment part(S1050). [Reference numerals] (AA) Start; (BB) End; (S1010) Pre-treatment; (S1020) Compression; (S1030) Refinement; (S1040) Liquefied gas formation; (S1050) Post-treatment
摘要翻译：目的：提供二氧化碳的液化和收集系统及其方法，以防止二氧化碳排放到大气中并减少二氧化碳的体积。构成：二氧化碳的液化和收集方法包括以下步骤：将来自沼气精炼过程的废气从第一温度冷却至第二温度，并且在预处理部分中从废气中除去杂质（S1010） ; 废气在压缩部被压缩（S1020）。排气被冷却至第三温度，并且在精炼部中进一步从排气中除去杂质（S1030）。将废气冷却至第四温度并在液化部分中冷凝成液化气体（S1040）; 将液化气体加热至二氧化碳的储存温度，除了二氧化碳以外的其他气体从液化气体脱气，以提高后处理部件中液化二氧化碳的纯度（S1050）。（附图标记）（AA）开始; （BB）结束; （S1010）预处理; （S1020）压缩; （S1030）细化; （S1040）液化气体形成; （S1050）后处理

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