长袋低压脉冲除尘器的创新与发展

依靠科技进步，应用多项专利技术，研制与开发的LFDM型长袋低压脉冲除尘器，成功应用于冶金、有色、建材、电力、机械和矿业等行业的工业气体除尘与净化；具有明显的达标排放和占地小、阻力低、投资省、运行费用少等特点。     

Power to gas: an option for 2060 high penetration rate of renewable energy scenario of China

Replacing conventional fossil fuel power plants with large-scale renewable energy sources (RES) is a crucial aspect of the decarbonization of the power sector and represents a key part of the carbon-neutral strategy of China. The high penetration rate of renewable energy in the electricity system, however, implies the challenges of dealing with the intermittency and fluctuation of RES. Power to gas (P2G), which can convert surplus renewable power into a chemical form of energy (i.e., synthetic gas), can help handle this challenge and supply new energy carriers for various energy sectors. By modeling three potential 2060 energy mix scenarios in China, this paper aims to describe the possible contribution of the high penetration rate of renewable energy combined with P2G in the future sustainable energy system. Different schemes are listed and compared, and the results are used in a basic economic evaluation of the synthetic gas production cost for the P2G plants. Ideally, nearly 18 million tons of carbon dioxide would be recycled and transformed into methane (around 9.37 km³) annually in China. Considering a zero price for the excess renewable power and future costs of the components, the levelized cost of energy (LCOE) of the final production of methane is estimated at 0.86 $/m³_SNG.

     

人工养殖与野生扬子鳄卵中重金属含量分析

以原子吸收分光光度法，测定了人工养殖与野生的扬子鳄卵中Cu、Zn、Cd、Pb等重金属元素的含量，并对上述4种元素的分布状况和差异性进行了探讨。实验表明，人工繁殖卵中重金属元素含量高于野生卵，人工饲养过程中所提供的饮水和饲料中重金属元素含量高于自然界，值得关注和重视。     

应用混合菌种处理腈纶废水中的硫氰酸钠

从污泥中分离到能去除硫氰酸钠的混合菌SAT13,它是由自养菌和异养菌所组成,其中包含:排硫杆菌(Thiobacillus thioparus)、中间硫杆菌(Thiobacillusintermedius)、节细菌(Arthrobacter sp.)假单胞杆菌(Pseudomonas sp.)和固氮菌(Azotobacter sp.)。该混合菌降解NaSCN的能力较高,还具有降解丙烯腈、异丙醇、丙酮等有机污染物的能力。应用该混合菌在二级浸没式滤池上接种挂膜,处理含NaSCN的腈纶废水,形成的生物膜氧化NaSCN活性高。经十个月的中型试验,水力负荷保持在9.615m~3/m~3/day,CODcr负荷为3.12kg/m~3/day,BOD_5负荷为1.91kg/m~3/day,则CODcr平均去除率可达81.56%,BOD_5平均去除率为82.63%,NaSCN平均去除率为95.76%,出水含量小于2mg/l,其他污染物的净化效果也是令人满意的,出水水质达到排放标准。     

猕猴桃细菌性溃疡病的危险性分析

猕猴桃细菌性溃疡病是猕猴桃的重要病害。为了正确认识该病发生的危险性,有效防止其进一步扩散蔓延,参照国际上有害生物风险分析方法,对猕猴桃细菌性溃疡病在国内的危险性进行了定性和定量分析,做出了综合评价,并提出检疫和防治管理措施。