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TiO2 photocatalyst for water treatment applications
이슬이,박수진 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.6
Recently, many water treatment technologies, such as biological treatment, coagulation/precipitation techniques, Fenton oxidation treatments, and advanced oxidation techniques, have been assessed to address the worsening clean water shortage. This review summarizes these technologies and provides the background and principle of photocatalysis for advanced oxidation technology. In particular, this paper focuses on semiconductor TiO2 photocatalysts as well as the latest modifications of TiO2photocatalyst, such as the introduction of metals or heteroatoms onto TiO2, physical modification of TiO2for a variety of morphologies, and hybrid TiO2/nanocarbon composites, to improve the photocataytic activities for an advanced oxidation process. This review provides useful information to scientists and engineers in this field.
A review on solid adsorbents for carbon dioxide capture
이슬이,박수진 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.23 No.-
Global warming is considered as one of the great challenges of the twenty-first century. CO2 capture and storage (CCS) technology is attracting increasing interest to reduce the ever-increasing amount of CO2 released into the atmosphere and its impact on global climate change. CO2 capture process is a core technology, and accounts for 70–80% of the total cost of CCS technologies. CO2 capture technologies are categorized as post-combustion, pre-combustion, and oxy-fuel combustion. Among these, postcombustion CO2 capture processes are regarded as being important green and economic technologies. It is very important to develop new, highly efficient adsorbents to achieve techno-economic systems for post-combustion CO2 capture. In this review, we therefore summarize dry solid adsorbents, which are divided into non-carbonaceous (e.g., zeolites, silica, metal-organic frameworks and porous polymers, alkali metal, and metal oxide carbonates) and carbonaceous materials (e.g., activated carbons, ordered porous carbons, activated carbon fibers, and graphene), with a focus on recent research.