PDS 脱硫技术作为气液相催化氧化脱硫的最新技术,可同时对煤气进行脱硫、脱氮,脱出率高、成本低廉,具有极大的经济效益、环保效益和社会效益。浦东煤气厂结合本厂条件,在原有 ADA 脱硫的基础上,逐步添加 PDS,以形成 ADA 和 PDS 共同脱...PDS 脱硫技术作为气液相催化氧化脱硫的最新技术,可同时对煤气进行脱硫、脱氮,脱出率高、成本低廉,具有极大的经济效益、环保效益和社会效益。浦东煤气厂结合本厂条件,在原有 ADA 脱硫的基础上,逐步添加 PDS,以形成 ADA 和 PDS 共同脱硫的工艺。为能准确测定脱硫液中的 ADA 含量,我们在原有测试方法的基础上。展开更多
Hydrogen sulfide in rural biogas was removed with liquid-phase catalytic oxidation.By using rare earth as catalyst,and sulfosalicylic acid as stabilizer,H2S purification efficiency could increase as high as 96%,and su...Hydrogen sulfide in rural biogas was removed with liquid-phase catalytic oxidation.By using rare earth as catalyst,and sulfosalicylic acid as stabilizer,H2S purification efficiency could increase as high as 96%,and sulfur capacity of the composite solution was about 3 g/L.The results show that purification efficiency was affected by catalyst addition,pH,experimental temperature,and sulfur capacity.The parameters effects on catalytic oxidation were studied,and the optimized conditions were that Fe3+ concentration 0.08 mg/L,reaction temperature 70°C,pH 9.0,with a absorption solution volume of 50 mL,a gas flow rate 200 mL/min,and H2S mass concentration of 1.58-2.02 mg/m3.展开更多
文摘PDS 脱硫技术作为气液相催化氧化脱硫的最新技术,可同时对煤气进行脱硫、脱氮,脱出率高、成本低廉,具有极大的经济效益、环保效益和社会效益。浦东煤气厂结合本厂条件,在原有 ADA 脱硫的基础上,逐步添加 PDS,以形成 ADA 和 PDS 共同脱硫的工艺。为能准确测定脱硫液中的 ADA 含量,我们在原有测试方法的基础上。
基金Project(2008ZX07105-002) supported by the Erhai Lake Project of National Science and Technology Major Project in the 11th Five years Plan of China
文摘Hydrogen sulfide in rural biogas was removed with liquid-phase catalytic oxidation.By using rare earth as catalyst,and sulfosalicylic acid as stabilizer,H2S purification efficiency could increase as high as 96%,and sulfur capacity of the composite solution was about 3 g/L.The results show that purification efficiency was affected by catalyst addition,pH,experimental temperature,and sulfur capacity.The parameters effects on catalytic oxidation were studied,and the optimized conditions were that Fe3+ concentration 0.08 mg/L,reaction temperature 70°C,pH 9.0,with a absorption solution volume of 50 mL,a gas flow rate 200 mL/min,and H2S mass concentration of 1.58-2.02 mg/m3.
