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    • 10. 发明授权
    • 탈수보조제로서 티탄염을 이용한 슬러지 재활용 방법
    • 用于减少泥沙的方法,以提高其回收利用钛盐作为脱水剂助剂的可用性
    • KR100799261B1
    • 2008-01-29
    • KR1020070010638
    • 2007-02-01
    • (주) 빛과환경
    • 김종호손호경조동련최병철김건중히로노리카꼬우이근선최호덕김영규조재원김인수김명완김종범박희주
    • B09B3/00C02F11/12
    • Y02W10/37B09B3/0058C02F11/121Y02W10/20
    • A sludge dewatering method is provided to produce sludge with a low water content by using a titanium salt as a dewatering aid, and improve dewatering of sludge and enable sludge to be recycled by incinerating the produced sludge with a low water content and recovering incineration ash containing titanium dioxide that exhibits photocatalytic activities. A sludge recycling method using a titanium salt as a dewatering aid comprises the steps of: (a) adding a titanium salt as a dewatering aid into sludge to be treated; (b) applying sludge obtained in the step(a) to a dewatering equipment to perform a dewatering process; (c) removing filtrate and obtaining a sludge cake by the dewatering process of the step(b); and (d) incinerating the sludge cake in a temperature range of 500 to 1000 deg.C to recover incineration ash containing titanium dioxide having photocatalytic activities. The sludge recycling method further comprises the step of drying the sludge cake between the steps (c) and (d). The dewatering process of the step(b) is carried out by injecting sludge obtained in the step(a) between filter fabrics and applying a predetermined pressure to the filter fabrics to separate sludge into filtrate and sludge cake.
    • 提供污泥脱水方法,通过使用钛盐作为脱水助剂,生产含水量低的污泥,改善污泥的脱水,通过焚烧生产的含水量低的污泥来回收污泥,回收焚烧灰 表现出光催化活性的二氧化钛。 使用钛盐作为脱水助剂的污泥回收方法包括以下步骤:(a)将钛盐作为脱水助剂加入待处理的污泥中; (b)将步骤(a)中获得的污泥施用于脱水设备进行脱水处理; (c)通过步骤(b)的脱水方法除去滤液并获得污泥饼; 和(d)在500〜1000℃的温度范围内焚烧污泥饼,以回收含有具有光催化活性的二氧化钛的焚烧灰。 污泥回收方法还包括在步骤(c)和(d)之间干燥污泥饼的步骤。 步骤(b)的脱水方法是通过将过程织物中得到的污泥注入过滤织物并对过滤织物施加预定的压力以将污泥分离成滤液和污泥饼来进行。