以活性炭为载体,采用液相还原法制备活性炭/氧化亚铜(A C/C u2 O)光催化剂,利用傅立叶变换红外光谱仪(IR)、扫描电子显微镜(SEM)、X射线衍射仪(XRD)等对样品进行官能团分析、形貌观察和物相分析.利用该催化剂处理聚乙烯醇(PVA)废水,实验结果表明:在水样初始pH为5、PVA初始浓度75 mg/L、催化剂投加量4 g/L、反应时间50 min时PVA的去除率为90.60％;且水样初始pH对PVA的去除效果影响最显著.

In order to decrease the supplementary water in circulating cooling water system,wastewater discharged and water treatment chemicals to decrease the cost of cooling water treatment,increasing the concentration of circulating water is the key.In this paper the effects of different factors on the concentration multiple of circulating water were analyzed and the problems in the circulating cooling water system of Harbin Petrochemical Company were summarized.Meanwhile,the productive measures for increasing the concentration multiple of circulating water were given,which would have significant benefits of environment and economy.

介绍了理智系列弯管流量计的工作原理、基本结构及性能特点。主要论述了理智系列弯管流量计在石油化工行业蒸汽系统中的应用。结果表明,与传统的孔板流量计相比,理智系列弯管流量计具有实用性能优越、运行稳定、计量数据准确可靠等特点,从实际应用效果来看,是一种极具应用价值的新型流量仪表。

Methylcyclopentadienyl manganese tricarbonyl(MMT) is organometallic gasoline antiknock,it behaves better,good economic benefit,less environmental pollution and less emission of the harmful ingredients of epilogue.It is widely prospective to use MMT.The article introduced the study on the development ,physical propertics,mechanism of antiknock and methods of synthesis.The significance of using MMT in our country was pointed out.

文章阐述了涡街流量计在石油炼制企业能源计量中的应用,简要叙述了涡街流量计的工作原理,根据笔者的实践经验,总结了涡街流量计在安装使用时注意的问题,并介绍了现场故障的处理方法。

The stripping centralized processing was adopted to solve the problem of disposal of sourness sewage by original technology in refinery.The result reached design specification,and one part was used into reproduction,the other part was drained into sewage plant.

在温和的条件下,二茚基稀土氢化物分别与苯乙酸烯丙酯和正丁酸烯丙酯反应,得到了发生Claisen重排反应后的相应产物2-烯丙基苯乙醛和2-乙基-4-戊烯醛.

介绍了哈石化分公司干气体计量现状、旋进旋涡流量计的结构特点及工作原理,对旋进旋涡流量计两种压力损失的计算方法进行了对比,找出了适合于哈石化分公司的计算公式.针对使用过程中存在的问题,提出了保证计量精度的改进措施和建议.