2012 carbon dioxide absorption can conform to the requirements of the Q/GJLB 1-2012.Carbon canister by guangdong science and technology information institute of science and technology novelty search, that is the present domestic only without power supply and other power for single use carbon dioxide in the capsule to purify the canister.Carbon dioxide absorption tank design is a transparent cylindrical tanks, the filler for carbon dioxide absorbing agent, the agent to absorb carbon dioxide from white to violet, can give users an intuitive judgment.In the testing instrument technology solutions and products is an innovative, at home do not have the same research plan and the same product of the literature.