Various natural gas sweetening processes were developed and grasped at home, and have met the gas field developing need on the whole at present.
国内已开发掌握了多种天然气脱硫工艺，基本上满足了当前气田开发的需要。
“Sweetening” is the removal of CO2, hydrogen sulfide and other contaminants from contaminated gas, (often called sour gas due to the sulphur smell), and is a $12 billion-year-business in the US alone.
“脱硫”是从被污染的气体中清除二氧化碳、硫化氢和其它污染物质，（由于污染气体有硫的味道往往被称为酸气），这项工作仅在美国就是一年一百二十亿的生意。
Thiophene is removed from a multicomponent gas mixture by using activated carbon as carrier. The sweetening agent of thiophene is recoverable and reusable.
利用以活性炭作载体的脱硫剂脱除混合气中的噻吩，该脱硫剂可再生使用。
Said invention has no need of sweetening so the roasting link is saved, there are no harmful gas and pollution in smelting.
本发明不需脱硫，减少了焙烧环节，冶炼中无有害气体产生，无污染。
The technical progress, existing problems and work emphasis in the future of sweetening, sulphur recovery and tail gas treatment of refineries in China are discussed.
重点介绍我国炼厂脱硫、硫回收及尾气处理装置的技术进步、存在问题及今后工作的重点。
The technical progress, existing problems and work emphasis in the future of sweetening, sulphur recovery and tail gas treatment of refineries in China are discussed.
重点介绍我国炼厂脱硫、硫回收及尾气处理装置的技术进步、存在问题及今后工作的重点。
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