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    • 2. 发明授权
    • Method for treating drain water and waste liquid by the use of porous ceramics provided with amorphous pore surfaces
    • 通过使用具有无定形孔表面的多孔陶瓷来处理排水和废液的方法
    • US06413432B1
    • 2002-07-02
    • US09516214
    • 2000-02-29
    • Shun'ichi Kumaoka
    • Shun'ichi Kumaoka
    • C02F900
    • C02F1/28B01D39/2075C02F2103/22C04B38/0051Y10S210/903Y10S210/906Y10S210/908C04B33/32C04B38/009C04B38/06
    • This invention relates to a method for treating various kinds of drain water and waste liquid which treatment now becomes a problem, for example, drain water and waste liquid containing hardly removable phosphorus and nitrogen, waste liquid containing organochlorine compounds such as tetrachloroethylene, etc., excretive drain water from a piggery containing organonitrogen compounds at a high level, waste liquid containing heavy metals such as lead, hexavalent chromium, cadmium and the like, drain water from dairy product plants, fishery processing plants, slaughterhouses, etc. which contains water soluble protein at a high level, drain water from pulp plants, photo developing waste liquid, car wash drain water containing a mixture of car polishing wax and detergent and the like by the use of porous ceramics provided with amorphous pore surfaces. Porous ceramics provided with amorphous pore surfaces are prepared by mixing clay, a pore forming material and water, molding into an arbitrary shape followed by drying, heating up an molded article thus dried, heating up an article temperature from normal temperature to 600 to 800° C. over a time period of 5 to 15 hours, maintaining this temperature for 3 to 7 hours and then calcinating at 1,200 to 1,500° C.
    • 本发明涉及一种处理各种排水和废液的方法,该处理现在成为问题,例如排水和含有几乎不可除去的磷和氮的废液,含有四氯乙烯等有机氯化合物的废液, 来自含有高浓度有机氮化合物的猪粪的排泄性排水,含有铅,六价铬,镉等重金属的废液,从含有水溶性的乳制品厂,渔业加工厂,屠宰场等排出的水 蛋白质,通过使用具有无定形孔表面的多孔陶瓷,从纸浆厂排出水,照相显影废液,含有汽车抛光蜡和洗涤剂的混合物的洗车排水。 具有无定形孔表面的多孔陶瓷通过将粘土,成孔材料和水混合成型,成型为任意形状,然后干燥,加热干燥后的成型体,将制品温度从常温升温至600〜800℃ 在5至15小时的时间内,保持该温度3至7小时,然后在1200至1500℃下煅烧。
    • 4. 发明授权
    • Wastewater treatment process
    • 污水处理工艺
    • US06319412B1
    • 2001-11-20
    • US09611209
    • 2000-06-28
    • Crispen Reyna
    • Crispen Reyna
    • C02F900
    • C02F9/00C02F1/283C02F1/5236C02F1/56C02F1/66C02F1/76Y10S210/917
    • This invention relates to wastewater treatment, process and preferred systems for practice of the process for the removal of organic and inorganic ingredients contaminating wastewater, thereby to allow the reuse or sewer discharge of water used in various manufacturing and other processes. The process of the invention typically involves initial filtration of the wastewater and contact with a paste mixture consisting of magnesium hydroxide, aluminum hydroxide, calcium carbonate, magnesium orthophosphate, ferric sulfate, sodium hydrocarbonate, and activated carbon, the activated carbon removing organics such as dyes and the like while the paste mixture precipitates inorganics for subsequent mechanical removal. After treatment with the paste mixture, precipitating compounds are added to precipitate other inorganics. Flocculating agents are then added for further clarification purposes. Material removal then occurs by mechanical extraction including filtration, settling and the like. Chlorine is preferably effectively removed from the system during chemical treatment through initial acidification, thereby to reduce the potential for formation of highly soluble chloride salts. The present processes are preferably continuous or batch processes and are effected through the use of preferred systems including filtration, chemical treatment and settling sub-systems.
    • 本发明涉及用于去除污染废水的有机和无机成分的方法的废水处理,方法和优选系统,从而允许在各种制造和其它方法中使用的水的再利用或下水道排放。 本发明的方法通常包括初始过滤废水并与由氢氧化镁,氢氧化铝,碳酸钙,正磷酸镁,硫酸铁,碳酸氢钠和活性炭组成的糊状混合物接触,活性炭去除有机物如染料 等等,同时糊状混合物无机物沉淀,随后机械去除。 用糊状混合物处理后,加入沉淀化合物以沉淀其他无机物。 然后加入絮凝剂进一步澄清。 然后通过机械提取(包括过滤,沉降等)进行材料除去。 氯化物优选通过初始酸化在化学处理期间有效地从系统中除去,从而降低形成高度可溶性氯化物盐的可能性。 本发明的方法优选是连续的或间歇的方法,并且通过使用包括过滤,化学处理和沉降子系统的优选体系来实现。
    • 5. 发明授权
    • Method of controlling the phosphorus concentration in biological wastewater purification plants
    • 控制生物污水净化厂磷浓度的方法
    • US06241888B1
    • 2001-06-05
    • US09037334
    • 1998-03-10
    • Friedrich Engel
    • Friedrich Engel
    • C02F900
    • C02F3/006C02F3/12C02F2209/18Y02W10/15Y10S210/906
    • The invention relates to a method of controlling a biological wastewater purification plant, in which the wastewater is aerated in an activation tank in the presence of an activated sludge and, to influence the properties of the activated sludge, phosphorus is added under controlled concentration, which comprises measuring the phosphorus concentration in the activated sludge for the control of the phosphorus addition and controlling the phosphorus addition in such a manner that the phosphorus concentration in the activated sludge is greater than or equal to a lower limit and is less than or equal to an upper limit. By means of the method according to the invention, the effluent values of a biological wastewater purification plant can be optimized and the limit values in the effluent of a wastewater purification plant prescribed by the authorities can be complied with better than hitherto.
    • 本发明涉及一种控制生物废水净化装置的方法,其中废水在活性污泥存在下在活化槽中充气,并且为了影响活性污泥的性质,在受控浓度下加入磷,其中 包括测量活性污泥中的磷浓度以控制磷添加并控制磷添加,使得活性污泥中的磷浓度大于或等于下限,并且小于或等于 上限 通过本发明的方法,可以优化生物废水净化装置的废水排放值,当局规定的废水净化装置污水的极限值可以比现在更好。
    • 6. 发明授权
    • Household wastewater purification system
    • 家庭废水净化系统
    • US06174433B1
    • 2001-01-16
    • US09292921
    • 1999-04-16
    • Osamu Futami
    • Osamu Futami
    • C02F900
    • C02F3/1242C02F1/32C02F1/725C02F3/30C02F9/00C02F2003/003C02F2305/10Y02W10/15Y02W10/37
    • A household wastewater purification system includes a first treatment tank having a household wastewater inlet in an upper part thereof, a photocatalytic decomposition treatment device having a photocatalytic material at least a part of which lies above the water surface, and an anaerobic treatment device. A second treatment tank is adjacent to the first treatment tank and isolated therefrom by a partition wall except a lower part thereof that is communicated with a lower part of the first treatment tank. The second treatment tank has an aerobic treatment device therein and a purified water outlet in an upper part thereof. A light-introducing part is provided above the first treatment tank.
    • 家用废水净化系统包括在其上部具有家庭废水入口的第一处理罐,具有至少一部分位于水面上方的光催化材料的光催化分解处理装置和厌氧处理装置。 第二处理槽与第一处理槽相邻,并且通过与第一处理槽的下部连通的除了其下部的分隔壁隔开。 第二处理槽在其中具有需氧处理装置,其上部具有净化水出口。 在第一处理槽的上方设置有光导入部。
    • 7. 发明授权
    • Method and system for the recuperation of septic tank content
    • 化粪池含量回收方法及系统
    • US06790368B1
    • 2004-09-14
    • US10049365
    • 2002-02-06
    • Tony VachonErick Vachon
    • Tony VachonErick Vachon
    • C02F900
    • E03F7/103E03F7/10
    • A method and system for the recuperation of the content of septic tank where the supernatant is returned to the septic tank after the recuperation of the sludge and of the scum is described herein. According to the method of the present invention, a major portion of the supernatant is advantageously recuperated from the top of the septic tank to the bottom thereof, and stored in a first reservoir of the system. The sludge, the remainder of the supernatant and the scum are then recuperated and stored in a second reservoir. The supernatant is filtered, either upon its recuperation or before its return to the septic tank. Finally, the filtered supernatant is returned to the septic tank.
    • 本文描述了在污泥和浮渣回收之后将上清液返回到化粪池的化粪池内容物的回收方法和系统。 根据本发明的方法,上清液的主要部分有利地从化粪池的顶部回收到其底部,并储存在系统的第一储存器中。 然后将污泥,剩余的上清液和浮渣回收并储存在第二储存器中。 过滤上清液,无论是在其恢复或在其返回到化粪池之前。 最后,将过滤的上清液返回到化粪池。
    • 10. 发明授权
    • Zeolite bed leach septic system and method for wastewater treatment
    • 沸石床浸渍化粪池系统及废水处理方法
    • US06531063B1
    • 2003-03-11
    • US09565893
    • 2000-05-05
    • Jane Anne Rose
    • Jane Anne Rose
    • C02F900
    • C02F1/42B01J20/18B01J20/3408B01J39/14B09C1/00B09C1/002C02F1/281C02F2103/06G21F9/12G21F9/162G21F9/34Y10S210/903
    • A septic system and method for the removal of nitrogen contaminants, such as nitrates and ammonia, from a wastewater effluent. The system comprises one or more zeolite tanks which contain a regenerable, granulated zeolite material to receive wastewater effluent from a septic tank and to capture the nitrogen contaminants to provide a treated, decontaminated effluent to flow out of the tank into a leach field. The system includes a secondary treatment.tank to reduce suspended solids and the biological oxygen demand (BOD) of the wastewater effluent prior to introduction into the zeolite tank. The system also includes an ion sensor to monitor the ammonium ion concentration in the system and to signal the need to regenerate the zeolite tank with saline water.
    • 用于从废水流出物中除去氮污染物如硝酸盐和氨的污染系统和方法。 该系统包括一个或多个沸石罐,其包含可再生的颗粒状沸石材料,以接收来自化粪池的废水流出物并捕获氮污染物以提供经处理的净化流出物从罐中流出到浸出场。 该系统包括在引入沸石罐之前减少废水流出物的悬浮固体和生物需氧量(BOD)的二次处理。 该系统还包括一个离子传感器,用于监测系统中的铵离子浓度,并表明需要用盐水再生沸石罐。