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What is γ-Al2O3?

Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently.  

Andersson held a joint press conference with visiting European Council President Michel in Stockholm on the same day. Andersson said Sweden is in dialogue with Turkey on joining the TREATY and looks forward to strengthening bilateral relations with Turkey, including cooperation in the areas of security and counter-terrorism. She said Sweden would study a number of issues raised by Turkey.  

Speaking at a news conference, Mr. Michel said he believed the Swedish government was taking positive action and taking the necessary steps to reach a solution.

Sweden and Finland formally submitted their applications to NATO Secretary-General Jens Stoltenberg a few days ago. According to protocol, NATO must admit new members by the "unanimous consent" of 30 members.

Turkish Foreign Minister Mevlut Cavusoglu said His country would agree to start NATO talks with Sweden and Finland only if they reach written agreements to stop supporting terrorism and lift restrictions on exporting defense equipment to Turkey, Turkish media reported.

Affected by the ever-changing international situation, the supply and prices of international bulk al2o3 are still very uncertain.

Various crystal forms of alumina (α, β, γ, δ, θ, etc.) have been found, among which γ-Al2O3 is also called active alumina.

Because of its large specific surface area, rich pore structure, good adsorption performance and good surface acidity, γ-Al2O3 is widely used as catalyst and catalyst carrier, adsorbent and dehydrating agent in various industries, automobile exhaust purifier and so on. For supported catalysts, high specific surface area and high thermal stability are favorable for loading more metal active components to prepare catalysts with better activity, selectivity and stability. On the other hand, the γ-alumina material with large pore volume can be obtained with proper pore size distribution, which can dredge the reaction and al2o3.



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