Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Nitrogen oxide and sulfur dioxide solid absorbent and preparation method thereof
The invention relates to the technical field of treatment of gas containing NOX and SO2, in particular to a nitrogen oxide and sulfur dioxide solid absorbent and a preparation method thereof, and the nitrogen oxide and sulfur dioxide solid absorbent is prepared from the following raw materials in parts by weight: 80-120 parts of desulfurization wastewater, 8-12 parts of calcium hypochlorite, 50-72 parts of nano aluminum oxide, 10-12 parts of Portland cement and 25-45 parts of desulfurization gypsum. Researches show that the prepared solid absorbent has an excellent removal effect on low-concentration nitrogen oxides and sulfur dioxide, the nitrogen oxide removal rate of the solid absorbent can reach 94%, the absorption rate of the solid absorbent can reach 0.8 g/(100g. S), the sulfur dioxide removal rate of the solid absorbent can reach 92.3%, the absorption rate of the solid absorbent can reach 0.72 g/(100g. S), and the solid absorbent can be recycled. The catalyst can be used as an auxiliary means of SCR and wet desulphurization to carry out advanced treatment on low-concentration NOX and SO2 of a thermal power plant, so that the emission concentration of NOX and SO2 is further reduced, and accumulative damage to the environment caused by long-term continuous emission of low-concentration nitrogen oxide and sulfur dioxide is reduced.
本发明涉及含NOX和SO2气处理技术领域，尤其是涉及一种氮氧化物和二氧化硫固体吸收剂及其制备方法，包括以下重量份数的原料：脱硫废水80‑120份、次氯酸钙8‑12份、纳米氧化铝50‑72份、硅酸盐水泥10‑12份和脱硫石膏25‑45份。研究表明，本发明所制备得到固体吸收剂对于低浓度氮氧化物和二氧化硫具有优异的脱除效果，其中，该固体吸收剂对氮氧化物的去除率可达94％，吸收速率可达0.8g/(100g·s)，对二氧化硫的去除率可达92.3％，吸收速率可达0.72g/(100g·s)，可作为SCR和湿法脱硫的辅助手段对火电厂的低浓度NOX和SO2进行深度处理，进一步降低NOX和SO2的排放浓度，减少低浓度氮氧化物和二氧化硫长期持续排放对环境造成的累积性损害。
Nitrogen oxide and sulfur dioxide solid absorbent and preparation method thereof
The invention relates to the technical field of treatment of gas containing NOX and SO2, in particular to a nitrogen oxide and sulfur dioxide solid absorbent and a preparation method thereof, and the nitrogen oxide and sulfur dioxide solid absorbent is prepared from the following raw materials in parts by weight: 80-120 parts of desulfurization wastewater, 8-12 parts of calcium hypochlorite, 50-72 parts of nano aluminum oxide, 10-12 parts of Portland cement and 25-45 parts of desulfurization gypsum. Researches show that the prepared solid absorbent has an excellent removal effect on low-concentration nitrogen oxides and sulfur dioxide, the nitrogen oxide removal rate of the solid absorbent can reach 94%, the absorption rate of the solid absorbent can reach 0.8 g/(100g. S), the sulfur dioxide removal rate of the solid absorbent can reach 92.3%, the absorption rate of the solid absorbent can reach 0.72 g/(100g. S), and the solid absorbent can be recycled. The catalyst can be used as an auxiliary means of SCR and wet desulphurization to carry out advanced treatment on low-concentration NOX and SO2 of a thermal power plant, so that the emission concentration of NOX and SO2 is further reduced, and accumulative damage to the environment caused by long-term continuous emission of low-concentration nitrogen oxide and sulfur dioxide is reduced.
本发明涉及含NOX和SO2气处理技术领域，尤其是涉及一种氮氧化物和二氧化硫固体吸收剂及其制备方法，包括以下重量份数的原料：脱硫废水80‑120份、次氯酸钙8‑12份、纳米氧化铝50‑72份、硅酸盐水泥10‑12份和脱硫石膏25‑45份。研究表明，本发明所制备得到固体吸收剂对于低浓度氮氧化物和二氧化硫具有优异的脱除效果，其中，该固体吸收剂对氮氧化物的去除率可达94％，吸收速率可达0.8g/(100g·s)，对二氧化硫的去除率可达92.3％，吸收速率可达0.72g/(100g·s)，可作为SCR和湿法脱硫的辅助手段对火电厂的低浓度NOX和SO2进行深度处理，进一步降低NOX和SO2的排放浓度，减少低浓度氮氧化物和二氧化硫长期持续排放对环境造成的累积性损害。
Nitrogen oxide and sulfur dioxide solid absorbent and preparation method thereof
一种氮氧化物和二氧化硫固体吸收剂及其制备方法
JIN PENGXIANG (Autor:in) / WANG KAILIANG (Autor:in) / MENG DEQIANG (Autor:in) / YU XIAOFENG (Autor:in) / WEI PINGBO (Autor:in) / WEI CHAO (Autor:in) / GUO CHANGSHI (Autor:in) / GUO HUANHUAN (Autor:in) / ZHU JING (Autor:in) / XU YACHEN (Autor:in)
08.11.2024
Patent
Elektronische Ressource
Chinesisch
Carbon dioxide absorbent for exhaust gas, and preparation method thereof
| Europäisches Patentamt | 2015
| Taylor & Francis Verlag | 2004
| Europäisches Patentamt | 2017
| British Library Online Contents | 2012