公开(公告)号：US09845260B2

公开(公告)日：2017-12-19

申请号：US14877223

申请日：2015-10-07

Applicant: Anaergia Inc.

Inventor： Juan Carlos Josse ,  Andrew Benedek ,  Diana Mourato-Benedek

IPC: C02F11/04 ,  C02F3/28 ,  C02F9/00 ,  C02F3/34 ,  C02F1/28 ,  C02F1/52 ,  C02F3/00 ,  C02F3/12 ,  C02F3/20 ,  C02F3/30 ,  C02F101/16

CPC classification number: C02F11/04 ,  C02F1/28 ,  C02F1/52 ,  C02F3/006 ,  C02F3/1268 ,  C02F3/1273 ,  C02F3/208 ,  C02F3/28 ,  C02F3/2826 ,  C02F3/2833 ,  C02F3/2846 ,  C02F3/286 ,  C02F3/2873 ,  C02F3/302 ,  C02F3/307 ,  C02F3/308 ,  C02F3/34 ,  C02F9/00 ,  C02F2101/16 ,  C02F2209/08 ,  C02F2209/10 ,  C02F2209/225 ,  C02F2303/02 ,  C02F2303/20 ,  C02F2303/24 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/15 ,  Y02W10/23

Abstract: Low strength wastewater such as municipal sewage is treated using an anaerobic digester. In some examples, a wastewater stream is separated into a solids rich portion and a solids lean portion. The solids lean portion is treated, for example to remove nitrogen. The solids rich portion is treated in an anaerobic digester, preferably with influent or recuperative thickening. In another example, the wastewater stream is fed to an anaerobic digester and solid-liquid separation stages downstream of the digester return active bacteria and undigested organics to the digester. Both cases may use a process train comprising treatment in an anoxic tank followed by a nitritation tank with a portion of the effluent from the nitritation tank recirculated to the anoxic tank to provide nitritation and denitritation.

公开(公告)号：US09656893B2

公开(公告)日：2017-05-23

申请号：US14216052

申请日：2014-03-17

Applicant: AMERICAN WATER WORKS COMPANY, INC.

Inventor： Eugenio William Giraldo

IPC: C02F3/30 ,  C02F3/12 ,  C02F3/28

CPC classification number: C02F3/302 ,  C02F3/1215 ,  C02F3/1268 ,  C02F3/1273 ,  C02F3/28 ,  C02F3/2846 ,  C02F3/307 ,  C02F3/308 ,  C02F2303/10 ,  C02F2303/16 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/15 ,  Y02W10/30

Abstract: Methods and systems are provided for treating wastewater to simultaneously remove nitrogen, carbon, and phosphorus, while recovering energy in the form of methane and carbon dioxide. An ammonia-containing stream is directed to a pretreatment tank that produces excess sludge, biogas, and a pretreated stream. The pretreated stream has at least 45% less carbon than the ammonia-containing stream. The pretreated stream is then directed to an anoxic tank, which promotes phosphorus release and fermentation of particulate and dissolved organic matter. The mixed liquor is transferred to an aerated tank having low dissolved oxygen concentrations to promote development of phosphorus-release bacteria that is eventually recycled to the anoxic tank by way of the return activated sludge. Simultaneous nitrification, denitrification, and phosphorus release occur in the aerated tank. A membrane tank separates treated effluent from activated sludge in a membrane tank.

公开(公告)号：US09409806B2

公开(公告)日：2016-08-09

申请号：US14036747

申请日：2013-09-25

Applicant: Renewable Energy Alternatives, LLC

Inventor： Robert Knoop

IPC: C02F3/28 ,  C02F11/04 ,  B09B3/00 ,  C12M1/107 ,  C12M1/06 ,  C12M1/00 ,  C12M1/02 ,  C12M3/00 ,  C12M3/04 ,  C02F103/20 ,  C02F103/22 ,  C02F103/28 ,  C02F103/32

CPC classification number: C02F3/28 ,  B09B3/00 ,  C02F3/284 ,  C02F11/04 ,  C02F2103/20 ,  C02F2103/22 ,  C02F2103/28 ,  C02F2103/32 ,  C02F2103/325 ,  C02F2209/005 ,  C02F2209/02 ,  C02F2209/06 ,  C02F2209/10 ,  C02F2301/106 ,  C12M21/04 ,  C12M23/48 ,  C12M27/06 ,  C12M27/10 ,  C12M27/20 ,  C12M41/18 ,  C12M45/20 ,  Y02E50/343 ,  Y02W10/12

Abstract: A new approach is proposed that contemplates systems and methods to support an environmentally-friendly, “green” thermophilic anaerobic digestion system. The system includes a thermophilic anaerobic digester as well as various independent modular anaerobic units to generate bio-methane from certain organic energy sources, including but not limited to, among other things, green municipal waste, restaurant and organic waste and effluents from industries such as breweries, grocery stores, food processing plants, granaries, wineries, pulp and paper mills, ethanol and biodiesel plants, fat and animal rendering, agricultural field crops, organic sludge accumulation within lagoons and waterways, marine organic matter and animal manure.

Abstract translation: 提出了一种新方法，其中考虑了支持环保型“绿色”嗜热厌氧消化系统的系统和方法。 该系统包括嗜热厌氧消化器以及各种独立的模块化厌氧单元，以从某些有机能源产生生物甲烷，包括但不限于绿色城市废物，餐馆和有机废物以及来自行业的废水 啤酒厂，杂货店，食品加工厂，粮仓，酿酒厂，造纸厂，乙醇和生物柴油厂，脂肪和动物饲养，农田作物，泻湖和水道内的有机污泥积聚，海洋有机物和动物粪便。

公开(公告)号：US09242881B2

公开(公告)日：2016-01-26

申请号：US13793343

申请日：2013-03-11

Applicant: Jason Chia Hsing Shih

Inventor： Jason Chia Hsing Shih

IPC: C02F3/28 ,  C05F17/00

CPC classification number: C02F3/28 ,  C02F2301/106 ,  C05F17/0027 ,  Y02E50/343 ,  Y02P20/145 ,  Y02W10/12 ,  Y02W30/43 ,  Y02W30/47

Abstract: The present invention relates to a method for taking liquid anaerobic digestion effluent and increasing the solids content by using the effluent and biomass to further digest both.

Abstract translation: 本发明涉及采用液体厌氧消化流出物并通过使用流出物和生物质来进一步消化两者来增加固体含量的方法。

公开(公告)号：US09181120B2

公开(公告)日：2015-11-10

申请号：US13814964

申请日：2011-08-12

Applicant: Juan Carlos Josse ,  Andrew Benedek ,  Diana Mourato-Benedek

Inventor： Juan Carlos Josse ,  Andrew Benedek ,  Diana Mourato-Benedek

IPC: C02F3/28 ,  C02F11/04 ,  C02F9/00 ,  C02F1/28 ,  C02F1/52 ,  C02F3/00 ,  C02F3/12 ,  C02F3/20 ,  C02F3/30

CPC classification number: C02F11/04 ,  C02F1/28 ,  C02F1/52 ,  C02F3/006 ,  C02F3/1268 ,  C02F3/1273 ,  C02F3/208 ,  C02F3/28 ,  C02F3/2826 ,  C02F3/2833 ,  C02F3/2846 ,  C02F3/286 ,  C02F3/2873 ,  C02F3/302 ,  C02F3/307 ,  C02F3/308 ,  C02F3/34 ,  C02F9/00 ,  C02F2101/16 ,  C02F2209/08 ,  C02F2209/10 ,  C02F2209/225 ,  C02F2303/02 ,  C02F2303/20 ,  C02F2303/24 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/15 ,  Y02W10/23

Abstract: Low strength wastewater such as municipal sewage is treated using an anaerobic digester. In some examples, a wastewater stream is separated into a solids rich portion and a solids lean portion. The solids lean portion is treated, for example to remove nitrogen. The solids rich portion is treated in an anaerobic digester, preferably with influent or recuperative thickening. In another example, the wastewater stream is fed to an anaerobic digester and solid-liquid separation stages downstream of the digester return active bacteria and undigested organics to the digester. Both cases may use a process train comprising treatment in an anoxic tank followed by a nitritation tank with a portion of the effluent from the nitritation tank recirculated to the anoxic tank to provide nitritation and denitritation.

Abstract translation: 使用厌氧消化器处理城市污水等低强度废水。 在一些实例中，将废水流分离成富含固体的部分和固体贫乏部分。 处理固体贫部，例如去除氮。 固体富含部分在厌氧消化器中处理，优选具有进水或还原性增稠。 在另一个实例中，将废水流送入厌氧消化器，在蒸煮器下游的固液分离段将活性细菌和未消化的有机物返回到蒸煮器。 这两种情况都可以使用包括在缺氧罐中处理的工艺列，接着是氮化槽，其中一部分来自再循环到缺氧罐的硝化槽的流出物提供氮化和脱硝。

公开(公告)号：US20150191384A1

公开(公告)日：2015-07-09

申请号：US14409043

申请日：2013-06-19

Applicant: DEGREMONT

Inventor： Pierre-Emmanuel Pardo

IPC: C02F9/00

CPC classification number: C02F9/00 ,  C02F1/72 ,  C02F1/722 ,  C02F1/727 ,  C02F3/006 ,  C02F3/28 ,  C02F3/286 ,  C02F11/04 ,  C02F11/08 ,  C02F11/10 ,  C02F11/12 ,  C02F11/18 ,  C02F2209/001 ,  C02F2209/003 ,  C02F2209/06 ,  C02F2209/14 ,  C02F2209/245 ,  C02F2301/08 ,  C02F2301/106 ,  C02F2303/10 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/23 ,  Y02W10/30

Abstract: The invention relates to a method for treating organic waste, in particular to a method for treating sludge from wastewater treatment plants, in order to produce power and/or hygienised organic matter, including a first step of mesophilic or thermophilic digestion (13) of at least one fraction of a stream of organic waste, and comprising the following steps: dehydrating (15) all of the digested and non-digested waste; aerated thermal hydrolysis (16) of the dehydrated waste, including an injection of an oxidising agent in a quantity lower than the stoichiometric quantity for oxidising organic matter, and setting to the required temperature by a heating means; and a second mesophilic or thermophilic digestion (17) of the stream of hydrolysed waste.

Abstract translation: 本发明涉及一种用于处理有机废物的方法，特别是一种用于处理来自废水处理厂的污泥的方法，以便产生动力和/或卫生的有机物质，包括第一步的嗜温或嗜热消化（13） 至少一部分有机废物流，并包括以下步骤：脱水（15）所有消化和未消化的废物; 脱水废水的充气热水解（16），包括以低于用于氧化有机物质的化学计量的量注入氧化剂，并通过加热装置设定为所需温度; 和水解废物流的第二嗜温或嗜热消化（17）。

公开(公告)号：US09023209B2

公开(公告)日：2015-05-05

申请号：US13750989

申请日：2013-01-25

Applicant: Christopher Ott

Inventor： Christopher Ott

IPC: C02F3/32 ,  C02F3/30 ,  B01D53/14 ,  C02F9/00 ,  C10L3/10 ,  C12M1/00 ,  B03D1/02 ,  B03D1/14 ,  C02F1/24 ,  C02F3/08 ,  C02F11/04 ,  C02F11/12 ,  B03D1/24

CPC classification number: C02F3/30 ,  B01D53/14 ,  B01D2252/103 ,  B01D2256/245 ,  B01D2257/30 ,  B01D2257/302 ,  B01D2257/404 ,  B01D2257/406 ,  B01D2257/504 ,  B01D2258/0283 ,  B01D2258/05 ,  B03D1/02 ,  B03D1/1431 ,  B03D1/1468 ,  B03D1/245 ,  C02F1/24 ,  C02F3/087 ,  C02F3/2893 ,  C02F3/32 ,  C02F9/00 ,  C02F11/04 ,  C02F11/12 ,  C02F2303/10 ,  C10L3/10 ,  C12M21/02 ,  C12M47/18 ,  Y02C20/20 ,  Y02E50/343 ,  Y02P20/59 ,  Y02P70/34 ,  Y02W10/12 ,  Y02W10/15 ,  Y02W10/23

Abstract: A method for removing methane from biogas is described. The method includes: (i) receiving biogas including methane and other components into a first tank; (ii) receiving water into the first tank; (iii) contacting the biogas with the water inside the first tank; (iv) dispensing methane gas from an outlet of the first tank; and (v) producing from the tank an effluent stream that includes other components of the biogas.

Abstract translation: 描述了从沼气中除去甲烷的方法。 该方法包括：（i）将包括甲烷和其他组分的沼气接收到第一罐中; （ii）将水接收到第一罐中; （iii）使沼气与第一罐内的水接触; （iv）从第一罐的出口分配甲烷气体; 和（v）从罐中产生包括沼气的其它组分的流出物流。

公开(公告)号：US20150008169A1

公开(公告)日：2015-01-08

申请号：US14379207

申请日：2012-12-19

Applicant: Francisco Xavier Valdes Simancas

Inventor： Francisco Xavier Valdes Simancas

IPC: C02F3/30 ,  C02F11/02 ,  C02F3/08

CPC classification number: C02F3/301 ,  C02F3/082 ,  C02F3/305 ,  C02F3/307 ,  C02F11/02 ,  C02F2203/002 ,  C02F2203/006 ,  C02F2303/12 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/15

Abstract: A bioreactor for anaerobic, aerobic and anoxic digestion of organic matter from wastewater, having a bottom anaerobic zone where the wastewater is fed where anaerobic bacteria produces biogas and the sludge produced is deposited on the bottom and subsequently extracted. An anoxic middle zone contains denitrifying bacteria which converts nitrates to nitrogen, and an aerobic zone at the upper part where at least one biological contact rotor is disposed, which degrade organic matter remaining in the water. The growth of nitrifying bacteria converts ammonia nitrogen into nitrites and nitrates. The tank has a plurality of rhomboids for biogas, sludge and scum collection that join together form a intermediate polyhedral separator panel. The rhomboids joined together define conical collectors with connecting nozzles of ducts from a capture and conduction network of biogas and funnel-shaped manifolds with connecting nozzles of ducts that define a capture and conduction network of sludge and scum.

Abstract translation: 一种生物反应器用于从废水中厌氧，需氧和有氧消化有机物质，具有底部厌氧区，其中在厌氧细菌产生生物气体的同时供给废水，所产生的污泥沉积在底部并随后提取。 缺氧中间区含有将硝酸盐转化为氮的反硝化细菌，以及在上部设置至少一个生物接触转子的好氧区，其降解残留在水中的有机物。 硝化细菌的生长将氨氮转化为亚硝酸盐和硝酸盐。 该罐具有用于生物气体，污泥和浮渣集合的多个菱形，其连接在一起形成中间多面体分离板。 连接在一起的菱形体定义了锥形收集器，其具有来自生物气体和漏斗形歧管的捕获和传导网络的管道的连接喷嘴，其具有限定污泥和浮渣的捕获和传导网络的管道的连接喷嘴。

公开(公告)号：US20140263039A1

公开(公告)日：2014-09-18

申请号：US14211100

申请日：2014-03-14

Applicant: Algal Scientific Corporation

Inventor： Geoffrey P. Horst ,  Robert B. Levine ,  Jeffrey R. LeBrun ,  James Bleyer

IPC: C02F3/28 ,  C02F3/30 ,  C02F3/32

CPC classification number: C02F3/28 ,  C02F1/66 ,  C02F3/1263 ,  C02F3/322 ,  C02F2209/02 ,  C02F2209/06 ,  C02F2209/08 ,  C02F2209/11 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/15 ,  Y02W10/37

Abstract: Methods and systems for the growth of heterotrophic eukaryotic biomass that use pH modulations in order to treat wastewater and produce biomass in optimized quantities.

Abstract translation: 用于生物质生长的异养生物质的方法和系统，其使用pH调节以优化处理废水和生产生物量。

公开(公告)号：US20140263010A1

公开(公告)日：2014-09-18

申请号：US14274908

申请日：2014-05-12

Applicant: EVOQUA WATER TECHNOLOGIES LLC

Inventor： Wenjun Liu ,  Edward John Jordan ,  George W. Smith

IPC: C02F3/30

CPC classification number: C02F3/30 ,  C02F1/286 ,  C02F3/006 ,  C02F3/1215 ,  C02F3/1268 ,  C02F3/28 ,  C02F2301/046 ,  C02F2303/10 ,  C02F2303/24 ,  Y02E10/12 ,  Y02E50/343 ,  Y02W10/12 ,  Y02W10/15 ,  Y02W10/30 ,  Y10S210/903 ,  Y10S210/906

Abstract: A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduces oxygen demand of a portion of the sludge from the sorption tank.