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    • 68. 发明申请
    • METHOD FOR REMOVING HYDROGEN SULPHIDE FROM OIL-CONTAINING WATER AND EQUIPMENT THEREFOR
    • 从含油水中除去氢化硫的方法及其设备
    • WO1994015878A1
    • 1994-07-21
    • PCT/NO1993000158
    • 1993-10-27
    • NORSK HYDRO A.SHOYVIK, HenrikESKILT, Jan, PetterHOVLAND, Jon
    • NORSK HYDRO A.S
    • C02F01/72
    • C02F3/2806C02F3/10C02F3/344C02F3/345Y02W10/15Y10S210/916
    • The invention relates to a method for removing hydrogen sulphide (H2S) from oil-containing water and equipment therefor. Oil-containing water and nitrate is conducted through a bioreactor to remove H2S. Nitrate is added to the oil-containing water in a dose ratio (sulphide : nitrate) of 1:10 to 1:40. The retention time in the reactor tank is for 10-60 minutes. After this treatment, purified water where >90 % of the H2S-amount is removed are let out of the tank. The equipment for performing the above mentioned method, is based on a bioreactor having large density of denitrifying bacteria. The reactor tank (1), is filled with carrying material providing large contact area. Even distribution of oil-containing water and nitrate over the carrying material which already may be covered by septic mud, forms an active sulphide oxidizing biofilm having large surface. This biofilm makes an extremely effective equipment for removing sulphide from oil-containing water.
    • 本发明涉及一种从含油水中除去硫化氢(H2S)的方法及其设备。 含油水和硝酸盐通过生物反应器进行,以除去H 2 S。 将硝酸盐以1:10至1:40的剂量比(硫化物:硝酸盐)加入到含油水中。 反应釜中的停留时间为10-60分钟。 在该处理之后,将其中> 90%H 2 S量的净化水从罐中排出。 用于进行上述方法的设备基于具有大的脱氮细菌密度的生物反应器。 反应槽(1)填充有提供大的接触面积的承载材料。 含油水和硝酸盐在已经被污垢泥浆覆盖的承载材料上的均匀分布形成了具有大表面的活性硫化物氧化生物膜。 该生物膜是从含油水中除去硫化物的极其有效的设备。