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    • 2. 发明申请
    • APPARATUS AND METHOD FOR TREATMENT OF VARIOUS TYPES OF WATER AND WASTEWATER BASED ON ELECTROCOAGULATION
    • 基于电凝聚治疗各种类型水和污水的设备和方法
    • WO2017178707A1
    • 2017-10-19
    • PCT/FI2017/050272
    • 2017-04-12
    • NBTEC OY
    • RAJANIEMI, KyöstiMETSÄVAINIO, Veli-PekkaKUOKKANEN, Ville
    • B03D1/14C02F1/463C02F1/465C02F1/00C02F1/461
    • C02F1/463B03D1/1406B03D1/1437B03D1/1493C02F1/465C02F2001/007C02F2001/46152C02F2201/4611C02F2301/028C02F2303/14
    • The present invention introduces a mechanical device, which is suitable for electrocoagulation-based water treatment processes. The device has a rectangular metallic housing (10), which comprises vertical active plates (11a–b, 12a–b, 13a– b, 14a–b), which act as anodes and cathodes. The treated water is fed in through an inlet (15a), and the electrocoagulation occurs between a narrow gap between the two active plates. The two plates among a single electrode pair are located in different heights. The locations and heights of the active plates can be adjusted through groove elements (51, 52). Non-active calming metal plates may also be used along the flow route of the treated water. Suspended materials (32) will agglomerate and flow on top of the water surface as foam and floc, from where it may be separated by scraping it into a chute (17). The device applies a continuously working mode without any moving physical parts. The parameters within the treatment process can be controlled by a computer, based on the desired results and the quality of the input wastewater.
    • 本发明引入了适用于基于电凝法的水处理工艺的机械装置。 该装置具有矩形金属外壳(10),其包括用作阳极和阴极的垂直有源板(11a-b,12a-b,13a-b,14a-b)。 处理过的水通过入口(15a)进入,电凝固发生在两个活性板之间的窄间隙之间。 单个电极对中的两个板位于不同的高度。 有源板的位置和高度可以通过凹槽元件(51,52)进行调节。 非活性平静金属板也可以沿着处理过的水的流动路线使用。 悬浮物质(32)会凝聚并在水面上作为泡沫和絮状物流动,从中可以通过将其刮入滑槽(17)而将其分离。 该设备应用连续工作模式,无需移动物理部件。 处理过程中的参数可以由计算机根据所需的结果和输入废水的质量进行控制。
    • 6. 发明申请
    • WATER TREATMENT PROCESSES UTILIZING SEQUENTIAL ADDITION OF A BASE AND AN OXIDANT
    • 使用碱和氧化物的顺序添加的水处理方法
    • WO2016093864A1
    • 2016-06-16
    • PCT/US2014/070084
    • 2014-12-12
    • HALLIBURTON ENERGY SERVICES, INC.
    • STONE, Shantel J.LANDIS, Charles R.
    • C02F1/66
    • C02F1/66C02F1/463C02F1/52C02F1/76C02F2101/203C02F2101/206
    • When treating an aqueous stream containing metal ions, the pH is often raised to remove at least a portion of the metal ions. The presence of a multiplicity of metal ions with interfering chemistries and/or varying concentrations can make the pH rise difficult to predict for a given amount of base. Accordingly, water treatment processes can comprise: providing an acidic aqueous stream comprising one or more metal ions; adding a base to the aqueous stream and increasing its pH to a first pH value; after adding the base and increasing the pH, adding an alkaline source of hypochlorous acid to the aqueous stream and further increasing its pH to a second pH value, the second pH value being about 7 or above; and removing at least a portion of the metal ions from the aqueous stream after adding the base and the alkaline source of hypochlorous acid.
    • 当处理含有金属离子的含水流时,通常升高pH以除去至少一部分金属离子。 具有干扰化学性质和/或不同浓度的多种金属离子的存在可能使给定量的碱难以预测pH升高。 因此,水处理方法可以包括:提供包含一种或多种金属离子的酸性含水流; 向水流中加入碱,并将其pH提高到第一pH值; 在加入碱和提高pH后,向含水流中加入碱性次氯酸源,并进一步将其pH提高至第二pH值,第二pH值为约7或更高; 并且在加入碱和碱式次氯酸之后从水流中除去至少一部分金属离子。