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    • 12. 发明公开
    • 폐가스에 함유된 질소 산화물 및 다이옥신의 동시 제거방법
    • 氮气与二氧化硫的组合去除方法
    • KR1020010017297A
    • 2001-03-05
    • KR1019990032744
    • 1999-08-10
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 고동준남인식사영삼이재민
    • B01D53/56B01D53/70
    • B01D53/8628B01D53/8662B01D2251/2062B01D2255/20707B01D2255/20784B01J21/063B01J23/26
    • PURPOSE: Disclosed is a simultaneous removal method of nitric oxides (NOx) and dioxin from flue gas using chromium oxide catalyst supported titanium dioxide. CONSTITUTION: The method is composed of several steps of a simultaneous removal process of nitric oxides and dioxin: an ammonia injection step, a flue gas feed step into a reactor installed with 5-40wt% chromium oxide supported on titanium oxide, operating at 250-450deg.C, and a simultaneous removal step of NOx and dioxin. In addition, the used catalyst prefers a +6 oxidation state to a +3 oxidation state of chromium species and the structure of the catalyst may be selected all kinds of form such as a fine powder, a pellet, a coated filter or honeycomb reactor or an extruded honeycomb structure. Instead of ammonia as reductant gas for controlling nitric oxide gas, urea compound may be used with a suitable concentration.
    • 目的:公开了使用氧化铬催化剂负载的二氧化钛同时从烟道气中除去一氧化氮(NOx)和二恶英。 方法:该方法由一氧化氮和二恶英的同时去除过程的几个步骤组成:氨注入步骤,烟道气进料步骤,安装在负载在氧化钛上的5-40重量%氧化铬的反应器中, 450℃,以及NOx和二恶英的同时除去步骤。 此外,所使用的催化剂优选+6氧化态到铬物质的+3氧化态,并且催化剂的结构可以选择各种形式,例如细粉,颗粒,涂布过滤器或蜂窝反应器,或 挤压蜂窝结构。 代替氨作为用于控制一氧化氮气体的还原气体,可以以合适的浓度使用尿素化合物。
    • 16. 发明公开
    • 방향족 화합물로부터 자일렌 생산을 위한 트랜스 알킬화 촉매
    • 用于从芳族化合物生产混合的XYLENE的透析催化剂
    • KR1020130075409A
    • 2013-07-05
    • KR1020110143765
    • 2011-12-27
    • 주식회사 포스코(주)포스코켐텍재단법인 포항산업과학연구원철강융합신기술연구조합
    • 장점석김경태정갑순사영삼
    • C07C15/08B01J29/076B01J29/06
    • Y02P20/52
    • PURPOSE: A transalkylation catalyst with sulfur resistance is provided to give hydriding function to a catalyst while evenly maintaining the acid site of the catalyst, to obtain high yield production of mixing xylene by transalkylation reaction from aromatic compound, and to secure long term stability. CONSTITUTION: A transalkylation catalyst is a catalyst carried with platinum, cobalt, molybdenum or cobalt and molybdenum on a zeolite carrier. The zeolite carrier is mordenite-type zeolite or beta zeolite or their mixture. The zeolite carrier has 10 - 250 : 1 of mole ratio of alumina and silica. 0.01-1.0 weight% of platinum is carried against the weight of the zeolite carrier and 0.1-5.0 weight% of Cobalt, and molybdenum or cobalt and molybdenum is also carried. [Reference numerals] (AA) Mixed xylene yield (%); (BB) Hour (hr); (CC) Comparison example 1; (DD,EE) Implementation example
    • 目的:提供具有耐硫性的烷基转移催化剂,以均匀保持催化剂的酸性位置,使催化剂具有氢化功能,通过芳族化合物的烷基转移反应获得高产率的二甲苯混合,从而确保长期的稳定性。 构成:烷基转移催化剂是在沸石载体上带有铂,钴,钼或钴和钼的催化剂。 沸石载体是丝光沸石型沸石或β沸石或它们的混合物。 沸石载体的氧化铝和二氧化硅的摩尔比为10-250:1。 0.01〜1.0重量%的铂承载于沸石载体的重量和0.1-5.0重量%的钴,并且还携带钼或钴和钼。 (AA)混合二甲苯收率(%); (BB)小时(小时); (CC)比较例1; (DD,EE)实施示例
    • 18. 发明公开
    • 토양에서 PFOS 또는 PFOA를 제거하는 방법
    • 在土壤中去除PFOS或PFOA的方法
    • KR1020090067664A
    • 2009-06-25
    • KR1020070135403
    • 2007-12-21
    • 재단법인 포항산업과학연구원
    • 김병억김민균사영삼
    • B09C1/08
    • B09C1/08A62D3/30
    • A method for removing PFOS(Perfluorooctane Sulfonate) and PFOA(Perfluorooctanoic Acid) from soil is provided to effectively remove the PFOS or PFOA contained in the soil and maintain a neutral pH suitable for the growth of the crops in the soil. A method for removing PFOS(Perfluorooctane Sulfonate) and PFOA(Perfluorooctanoic Acid) from soil comprises: a step(S1) of preparing soil contaminated with PFOS or PFOA; and a step of purifying the contaminated soil using iron oxides and sodium borohydride(NaBH4) as decomposition agents. The step of purifying the contaminated soil comprises a step(S2) of adding 1 to 100 parts by weight of the decomposition agents to 100 parts by weight of the contaminated soil and a step(S3) of leaving the decomposition agent-added soil alone for 5 days or more. The iron oxides including Fe2O3 and FeO are by-products of the pickling process in the ironmaking process. The iron oxides are formed in the form of a powder having an average particle diameter of 0.2 to 50 microns.
    • 提供从土壤中去除PFOS(全氟辛烷磺酸盐)和PFOA(全氟辛酸)的方法,以有效去除土壤中所含的全氟辛烷磺酸或PFOA,并保持适合土壤中作物生长的中性pH。 从土壤中去除PFOS(全氟辛烷磺酸盐)和PFOA(全氟辛酸)的方法包括:制备受PFOS或PFOA污染的土壤的步骤(S1); 以及使用氧化铁和硼氢化钠(NaBH4)作为分解剂来净化污染土壤的步骤。 净化污染土壤的步骤包括向100重量份的污染土壤中加入1至100重量份的分解剂的步骤(S2)和将分解剂添加的土壤单独留下的步骤(S3) 5天以上。 包括Fe2O3和FeO在内的铁氧化物是炼铁过程中酸洗工艺的副产物。 铁氧化物以平均粒径为0.2至50微米的粉末的形式形成。
    • 20. 发明授权
    • 폐가스에 함유된 질소 산화물 및 다이옥신의 동시 제거방법
    • 폐가스에함유된질소산화물및다이옥신의동시제거방폐
    • KR100460665B1
    • 2004-12-09
    • KR1019990032744
    • 1999-08-10
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 고동준남인식사영삼이재민
    • B01D53/56B01D53/70
    • PURPOSE: Disclosed is a simultaneous removal method of nitric oxides (NOx) and dioxin from flue gas using chromium oxide catalyst supported titanium dioxide. CONSTITUTION: The method is composed of several steps of a simultaneous removal process of nitric oxides and dioxin: an ammonia injection step, a flue gas feed step into a reactor installed with 5-40wt% chromium oxide supported on titanium oxide, operating at 250-450deg.C, and a simultaneous removal step of NOx and dioxin. In addition, the used catalyst prefers a +6 oxidation state to a +3 oxidation state of chromium species and the structure of the catalyst may be selected all kinds of form such as a fine powder, a pellet, a coated filter or honeycomb reactor or an extruded honeycomb structure. Instead of ammonia as reductant gas for controlling nitric oxide gas, urea compound may be used with a suitable concentration.
    • 目的:公开了使用氧化铬催化剂负载的二氧化钛同时从烟道气去除一氧化氮(NOx)和二恶英的方法。 构成:该方法由一氧化氮和二恶英的同时除去过程的几个步骤组成:氨注入步骤,烟气进料到装有负载在氧化钛上的5-40wt%氧化铬的反应器中, 450deg.C,同时去除NOx和二恶英。 另外,所使用的催化剂优选铬物种的+6氧化态至+3氧化态,并且可以选择各种形式的催化剂的结构,例如细粉末,丸粒,涂覆过滤器或蜂窝式反应器或 挤出的蜂窝结构。 代替氨作为用于控制一氧化氮气体的还原剂气体,可以以合适的浓度使用脲化合物。