Design And Comprehensive Abatement Technology For Waste Water And Gases In Chemistry Laboratory

With the rapid increasing in world economy,industrialization,population,etc,climate change,pollution and declining fossil resources are overwhelming challenges to mankind.Among which,the water and air pollution brought about through the waste gases and water are especially prominent in environment pollution.The institutes and colleges,often been regarded as the support and promoter of industrial technology system,defense innovation system and regional innovation system in China,have the obligatory responsibility to abate waste gases and water produced in the chemistry laboratory.However,the waste water and gas emissions have the characteristics of non-regularity,non-fixed cycle and most importantly,complex composition in these institutes and colleges,which hinders the designing and comprehensive abating for waste water and gases in the chemistry laboratory.Taken these into consideration,the detailed work is as follows:(1)The research background and significance of this paper is first discussed and the present status of the waste gases and water produced in the chemistry laboratory is investigated and evaluated.After which,the challenge and prospect of abating the waste gases and water produced in the chemistry laboratory in future are outlined.A rounded analysis of the theoretical principle,advantages and disadvantage and the impact factors on both of the biological contact oxidation technology and the organic gas catalytic adsorption technology have been conducted.After such analysis,the main research content and the technical route are given.(2)In conjunction with the production technics of energy engineering laboratories from Dalian Institute of Chemical Physics,Chinese Academy of Sciences(DICP,CAS),the source of waste gases and water used in this project and the design goal of this project are fixed.The biological contact oxidation technology and the organic gas catalytic adsorption technology technical routes are employed to abate waste gases and water in energy engineering laboratories from DICP.After expanding on the main structures and facilities of the two process units,the operational effect of the process units on abating waste gases and water is evaluated through a given test approach.Then the process of the development of the contact oxidation biologic padding and gas adsorbent has been carded.(3)By employing the waste gases and water from DICP as object of study,the wastewater treatment plant where the wastewater is first treated by physicochemical step and then the biological step,is confirmed via using the elastic solid packing biological contact oxidation method.In addition,the wastegas treatment plant is confirmed as well by using activated carbon and activated alumina as sorbent.Based on these two plants,the transformation plan and operational guidance are proposed to meet the requirements of abating waste gases and water produced in the chemistry laboratory.