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脫硫脫硝技術(shù)分為SCR脫硝和SNCR脫硝兩種

SCR脫硝即選擇性催化復(fù)原技術(shù),是指在催化劑的作用和在氧氣存在條件下,NH3優(yōu)先和NOx發(fā)作復(fù)原脫除反響,生成氮氣和水。
SCR denitration, namely selective catalytic reduction technology, refers to the reduction and removal reaction of NH3 with NOx preferentially under the action of catalyst and the presence of oxygen to generate nitrogen and water.
SCR脫硝的反響中心是脫硝催化劑,SCR催化壽命約為3-5年,2014年我國燃煤電廠開端大范圍啟用SCR催化劑達成脫硝目的,隨著SCR脫硝系統(tǒng)在全國范圍內(nèi)火電和非電范疇催化劑運用量的遞增,從今年往后的1-2年,我國將有大量脫硝催化劑面臨報廢。預(yù)測以為,到2025年脫硝催化劑廢棄量將到達40.01萬立方米,年報廢量到達20萬噸。
The reaction core of SCR denitration is the denitration catalyst. The service life of SCR catalyst is about 3-5 years. In 2014, China's coal-fired power plants began to use SCR catalyst on a large scale to achieve the denitration goal. With the increasing use of SCR denitration system catalyst in thermal power and non electric fields nationwide, a large number of denitration catalysts will be scrapped in China in the next 1-2 years from this year. It is predicted that by 2025, the waste volume of denitration catalyst will reach 40100 cubic meters, and the annual waste volume will reach 200000 tons.
SCR催化劑一旦到達運用壽命,因其自身組成而被定義為風(fēng)險固廢,而此前企業(yè)的處置辦法大多為填埋或無害化處置等,對環(huán)境仍有一定的毀壞,對資源也是糜費。
Once the service life of SCR catalyst is reached, it is defined as hazardous solid waste due to its own composition. Before, most of the treatment methods of enterprises were landfill or harmless treatment, which still has a certain damage to the environment and a waste of resources.
隨著新固廢法的實行,迫切請求開展脫硝催化劑再生技術(shù),將來脫硝催化劑再生將愈加向資源化的方向轉(zhuǎn)變,從傳統(tǒng)的資源開采、生成、運用、報廢的線性工藝,逐漸轉(zhuǎn)變?yōu)樾麓呋瘎┫M、再生、回收的循環(huán)工藝,完成原料再應(yīng)用。另外,脫硝技術(shù)也將更多的應(yīng)用大數(shù)據(jù)、人工智能等技術(shù)完成智能化脫硝,愈加精準地對過程完成管控,以至可以開發(fā)除塵、脫硫、脫硝等一體技術(shù)。
With the implementation of the new solid waste method, it is urgent to develop the regeneration technology of denitration catalyst. In the future, the regeneration of denitration catalyst will change to the direction of resource utilization, from the traditional linear process of resource exploitation, generation, use and scrapping to the recycling process of new catalyst production, regeneration and recovery, so as to realize the reuse of raw materials. In addition, denitration technology will also make more use of big data, artificial intelligence and other technologies to realize intelligent denitration, control the process more accurately, and even develop integrated technologies such as dust removal, desulfurization and denitration.
以上就是為大家引見的有關(guān)濕法脫硫的細致的引見,希望對您有所協(xié)助.假如您有什么疑問的話,歡送聯(lián)絡(luò)我們.我們將以的態(tài)度,為您提供效勞.http://www.zzzop.cn
The above is a detailed introduction about wet desulfurization, which I hope will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.zzzop.cn

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