公开(公告)号：US11845043B2

公开(公告)日：2023-12-19

申请号：US17740103

申请日：2022-05-09

Applicant: Environmental Dynamics International, Inc.

Inventor： Charles E. Tharp

IPC: B01F3/04 ,  B01F23/231 ,  C02F3/20 ,  C02F3/12 ,  B01F101/00

CPC classification number: B01F23/231122 ,  B01F23/231263 ,  C02F3/1284 ,  C02F3/201 ,  B01F2101/305 ,  B01F2215/0481 ,  C02F2203/006

Abstract: A mixer configured for releasing large bubbles into wastewater is provided. The mixer can include a central draft tube, an upwardly-extending member surrounding the draft tube, and an accumulator surrounding both the upwardly-extending member and the draft tube. A lower end of the draft tube sidewall may be sealed and not include any openings beneath the lower end of the upwardly-extending member, so as to prevent liquid pumpage through the draft tube. A method for treating wastewater in a system that includes at least one large bubble mixer and at least one fine bubble diffuser is also provided. The large bubble mixer and fine bubble diffuser may be supplied gas independently from one another. The method can include multiple modes of operation wherein gas is either supplied to the mixer, to the diffuser, to neither the mixer or the diffuser, or to both the mixer or the diffuser.

公开(公告)号：US11685677B2

公开(公告)日：2023-06-27

申请号：US17334723

申请日：2021-05-29

Applicant: BKT CO., LTD.

Inventor： Daehwan Rhu ,  Minki Jung ,  Donjin Ju ,  Honkeun Park ,  Dongwoo Kim ,  Hojae Hwang

IPC: C02F3/20 ,  C02F3/00 ,  C02F3/30 ,  C02F3/12 ,  C02F3/34 ,  C02F3/10 ,  C02F101/16

CPC classification number: C02F3/201 ,  C02F3/006 ,  C02F3/12 ,  C02F3/20 ,  C02F3/208 ,  C02F3/30 ,  C02F3/303 ,  C02F3/307 ,  C02F3/34 ,  C02F3/102 ,  C02F2101/16 ,  C02F2209/14 ,  C02F2209/38 ,  C02F2209/40 ,  Y02W10/10

Abstract: A device and method for shortcut nitrogen removal and nitrite-oxidizing bacteria activity inhibition are disclosed herein. An embodiment of the present invention provides a hollow fiber diffuser comprising: a plurality of hollow fibers on which bacteria can be attached and grow; and an inlet capable of supplying gas to one sides of the plurality of hollow fibers, wherein the gas includes oxygen and carbon dioxide, nitrite can be produced by the oxygen, and the concentration of oxygen in the gas is adjusted by the oxygen and the carbon dioxide.

公开(公告)号：US11643344B2

公开(公告)日：2023-05-09

申请号：US17860897

申请日：2022-07-08

Applicant: Prosper Technologies, LLC

Inventor： Mark Max MacKenzie ,  David Wade Campbell

IPC: C02F3/10 ,  B01F23/237 ,  B01F23/231 ,  C02F3/12 ,  C02F3/20 ,  B01F35/221 ,  B01F101/00 ,  B01D63/02

CPC classification number: C02F3/109 ,  B01F23/231244 ,  B01F23/231265 ,  B01F23/231269 ,  B01F23/237612 ,  B01F35/2211 ,  C02F3/1289 ,  C02F3/201 ,  C02F3/208 ,  B01D63/02 ,  B01F2101/305 ,  B01F2215/0431 ,  C02F2203/006 ,  C02F2203/008 ,  C02F2209/21 ,  C02F2209/38 ,  C02F2209/40 ,  C02F2301/08

Abstract: This application relates to a method of treating wastewater wherein an oxygen infusion system is used to supersaturate wastewater before aerobic biological processes, wherein oxygen is transferred to the wastewater free of oxygen bubbles and achieves a reduction in power demand for the aeration process of wastewater.

公开(公告)号：US20190232237A1

公开(公告)日：2019-08-01

申请号：US16318511

申请日：2017-07-05

Applicant: Alexander OTT

Inventor： Alexander OTT

IPC: B01F3/04 ,  C02F3/20

CPC classification number: B01F3/04269 ,  B01F2003/04361 ,  B01F2003/04368 ,  C02F3/201 ,  Y02W10/15

Abstract: A gassing device for the intermittent introduction of oxygen-containing gas or air into the waste water of a sewage treatment plant includes at least one membrane and a support body supporting the membrane and having gas-inlet openings. The membrane comprises a support membrane and a gassing membrane, wherein through-openings are arranged in the support membrane and continuous perforation slits are arranged in the gassing membrane and connected to the through-openings of the support membrane, or project into same, or are arranged inside the through-openings. The gassing membrane has a greater elasticity and is softer than the support membrane. The width of the through-openings of the support membrane decrease from the outer side and the gassing membrane projects partially or completely into the through-openings of the support membrane, and has a corresponding negative contour in relation to the through-openings of the support membrane.

公开(公告)号：US09975796B2

公开(公告)日：2018-05-22

申请号：US13994403

申请日：2011-12-16

Applicant: Guanghao Chen ,  Peng Bai ,  Ho Kwong Chui

Inventor： Guanghao Chen ,  Peng Bai ,  Ho Kwong Chui

IPC: C02F3/30 ,  C02F3/02 ,  B01D61/00 ,  C02F3/12 ,  B01D63/08 ,  C02F3/20

CPC classification number: C02F3/30 ,  B01D63/082 ,  B01D2311/2688 ,  B01D2313/12 ,  B01D2313/26 ,  B01D2315/06 ,  C02F3/1273 ,  C02F3/201 ,  C02F3/302 ,  C02F2209/22 ,  C02F2303/20 ,  C02F2303/24 ,  Y02W10/15

Abstract: Wastewater influent is supplied to an aeration zone having a membrane module. Activated sludge is established in the aeration zone and an oxygen surplus is maintained by controlling a rate of oxygen supplied to the aeration zone. Wastewater influent is mixed with the activated sludge to form a first mixed liquid. A portion of the first mixed liquid is filtered to form a filtrate and unfiltered activated sludge. The unfiltered activated sludge is mixed with the activated sludge in the aeration zone to form the first mixed liquid. A portion of the first mixed liquid is transferred from the aeration zone to an anaerobic zone, and a second portion of first mixed liquid is mixed with activated sludge in the anaerobic zone to form a second mixed liquid. The second mixed liquid is recycled to the aerobic zone.

公开(公告)号：US09832978B2

公开(公告)日：2017-12-05

申请号：US15374988

申请日：2016-12-09

Applicant: Tak Kwong Kwan ,  Hang Bi

Inventor： Tak Kwong Kwan ,  Hang Bi

IPC: C08L27/06 ,  C08L31/04 ,  A01K61/59 ,  C02F3/20 ,  C02F7/00 ,  B01F3/04 ,  A01K61/10

CPC classification number: A01K61/59 ,  A01K61/10 ,  B01F3/04269 ,  B01F2003/04319 ,  B01F2003/04418 ,  B01F2215/0052 ,  C02F3/201 ,  C02F7/00 ,  C08L27/06 ,  C08L2201/08 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2207/24 ,  Y02W10/37 ,  C08L9/02 ,  C08L17/00 ,  C08L23/0853

Abstract: Disclosed herein is an aeration hose capable of diffusing bubbles of air within a body of water, comprising a) a hose portion derived from a composition, comprising a polyvinyl chloride resin; a first rubber component; a second rubber component; at least one copolymer; at least one low temperature plasticizer; at least one filler comprising calcium carbonate; at least one heat stabilizer; at least one internal lubricant; at least one antioxidant; and at least one biofouling agent, wherein the hose portion comprises an outer hose portion, an inner hose portion and a plurality of hose apertures capable of receiving and diffusing pressurized air, wherein the hose is flexible and has no memory, and wherein the hose apertures are provided therethrough the inner hose portion and the outer hose portion and proportionally spaced about the outer hose portion along a length of the hose portion.

公开(公告)号：US20170291837A1

公开(公告)日：2017-10-12

申请号：US15629870

申请日：2017-06-22

Applicant: JRL Innovations Inc.

Inventor： Roy Emr

IPC: C02F3/20 ,  C02F3/28 ,  C02F3/10 ,  C02F3/04 ,  C02F3/06

CPC classification number: C02F3/201 ,  C02F3/046 ,  C02F3/06 ,  C02F3/109 ,  C02F3/20 ,  C02F3/288 ,  C02F3/307 ,  C02F2203/006 ,  C02F2209/38 ,  C02F2303/20 ,  C02F2303/22 ,  Y02W10/15

Abstract: The present invention provides an aeration lateral system designated to be site specific for new septic disposal areas or retro fitting to existing septic disposal areas to break up the biological clogging slug mat at the interface of the wastewater and imported sand or native soil fill under or adjacent to disposal areas of a typical septic system. The lateral system provides uniform or other site specific distribution of fluids about the bio-mat of a wastewater disposal area, with lateral spacing and hole spacing varying based on the type of disposal area being utilized. The lateral system can also be utilized to provide continuous low volume air supply system to a wastewater disposal area or peat filter module. The air lateral installation includes methods to minimize airflow disturbance of the soil and methods to prevent air leakage.

公开(公告)号：US09731253B2

公开(公告)日：2017-08-15

申请号：US13715817

申请日：2012-12-14

Applicant: Alexander Ott

Inventor： Alexander Ott ,  Wilfried Ott

IPC: B01F3/04 ,  C02F3/20

CPC classification number: B01F3/0451 ,  B01F3/0412 ,  B01F3/04241 ,  B01F2003/04177 ,  B01F2003/04191 ,  B01F2003/04276 ,  C02F3/201 ,  Y02W10/15

Abstract: There is a standpipe arrangement for holding and for supplying gas to aerators in a clarifying basin. The standpipe arrangement comprises a pipe conduit with holding means for aerators, with gas openings to the aerators and with means of fastening the pipe conduit on the base of the clarifying basin. The pipe conduit comprises several support pipes connected to each other, at the connection points of which fastening means are arranged. By way of the fastening means the support pipes are fixed both at a distance above the base of the clarifying basin as well as laterally and against rotation about the pipe axis, but can be moved along the pipe axis.

公开(公告)号：US20170158533A1

公开(公告)日：2017-06-08

申请号：US15439693

申请日：2017-02-22

Applicant: Tak Kwong Kwan ,  Hang Bi

Inventor： Tak Kwong Kwan ,  Hang Bi

IPC: C02F3/20 ,  C02F7/00 ,  A01K61/10 ,  C08L31/04 ,  A01K63/04 ,  A01K61/59 ,  F16L11/12 ,  B01F3/04

CPC classification number: C02F3/201 ,  A01K61/10 ,  A01K61/59 ,  A01K63/042 ,  B01F3/04269 ,  B01F2003/04319 ,  B01F2003/04418 ,  B01F2003/04865 ,  B01F2215/0052 ,  C02F7/00 ,  C02F2103/20 ,  C02F2103/42 ,  C08L27/06 ,  C08L31/04 ,  C08L2201/08 ,  C08L2205/035 ,  C08L2207/24 ,  F16L11/12 ,  Y02W10/37 ,  C08L9/02 ,  C08L17/00 ,  C08L23/0853

Abstract: Disclosed herein is an aeration hose capable of diffusing bubbles of air within a body of water, comprising a) a hose portion derived from a composition, comprising a polyvinyl chloride resin; a first rubber component; a second rubber component; at least one copolymer; at least one low temperature plasticizer; at least one filler comprising bismuth trioxide; at least one heat stabilizer; at least one internal lubricant; at least one antioxidant; and at least one biofouling agent, wherein the hose portion comprises an outer hose portion, an inner hose portion and a plurality of hose apertures capable of receiving and diffusing pressurized air, and wherein the hose is flexible and has no memory, wherein the hose apertures are provided therethrough the inner hose portion and the outer hose portion and proportionally spaced about the outer hose portion along a length of the hose portion.

公开(公告)号：US09533900B2

公开(公告)日：2017-01-03

申请号：US14528302

申请日：2014-10-30

Applicant: WELLS TUDOR, LLC

Inventor： John G. Stark

IPC: C02F3/20 ,  C02F3/22 ,  C02F101/32 ,  C02F103/00

CPC classification number: C02F3/20 ,  C02F3/201 ,  C02F3/22 ,  C02F2101/32 ,  C02F2103/007 ,  C02F2203/006 ,  Y02W10/15

Abstract: An Aerator/Digester for treating wastewater comprises cylindrical chamber having a centrally disposed air pipe supported from the chambers closed bottom end and extending along a longitudinal axis of the cylindrical chamber and beyond the upper end. The air pipe includes at least one aperture pattern comprising plural interleaved rows of relatively small diameter holes and larger diameter holes. When air under pressure, is introduced through the air pipe, a Venturi effect is created to draw wastewater into the chamber via ports formed near the closed bottom end and out via one or more outlet ports proximate to the upper end. The apertures are drilled through the air pipe at an angle to the vertical with the small diameter apertures inclined at an upward angle and the larger diameter apertures at a downward angle which has been found to enhance the circulation of the wastewater.

Abstract translation: 用于处理废水的曝气机/消化器包括圆柱形室，其具有中心设置的空气管，所述空气管从所述室封闭的底端支撑并且沿着所述圆柱形室的纵向轴线延伸并且超过所述上端。 空气管包括至少一个孔径图案，其包括相对小直径孔和较大直径孔的多个交错行。 当压力下的空气通过空气管引入时，产生文丘里效应，以通过靠近封闭底端形成的端口将废水吸入室中，并通过靠近上端的一个或多个出口端口排出。 孔径以垂直方向成角度钻出，其中小直径孔向上倾斜，并且较大直径的孔以向下的角度被钻出，这已经被发现增强了废水的循环。