公开(公告)号：US20170253508A1

公开(公告)日：2017-09-07

申请号：US15600785

申请日：2017-05-21

Applicant: Jiangxi JDL Environmental Protection Co., Ltd.

Inventor： Zhimin LIAO ,  Tao ZHOU

IPC: C02F3/12 ,  C02F3/34 ,  C02F3/00

CPC classification number: C02F3/1273 ,  C02F1/444 ,  C02F3/006 ,  C02F3/12 ,  C02F3/1205 ,  C02F3/201 ,  C02F3/208 ,  C02F3/34 ,  C02F2209/001 ,  C02F2209/22 ,  C02F2209/38 ,  C02F2303/06 ,  C02F2303/20 ,  Y02W10/15

Abstract: A method for wastewater treatment having a zero discharge of sludge, the method including: a) providing a membrane bioreactor system including a membrane separation system and a reaction vessel; and b) aerating the membrane separation system and the reaction vessel to control the dissolved oxygen concentration around the membrane separation system to be greater than 0 and smaller than 2 mg/L and the dissolved oxygen concentration in the reaction vessel excluding the membrane separation system to be greater than 0 and smaller than 1 mg/L. A wastewater treatment system having a zero discharge of sludge includes a membrane bioreactor system including: a reaction vessel, a membrane separation system, a water production system, and an aeration system.

公开(公告)号：US20170253513A1

公开(公告)日：2017-09-07

申请号：US15603410

申请日：2017-05-23

Applicant: Jiangxi JDL Environmental Protection Co., Ltd.

Inventor： Zhimin LIAO ,  Tao ZHOU

IPC: C02F3/30 ,  C02F3/34 ,  C02F3/12 ,  C02F3/20 ,  C02F1/44 ,  C02F3/00

CPC classification number: C02F3/301 ,  C02F1/444 ,  C02F3/006 ,  C02F3/1273 ,  C02F3/201 ,  C02F3/307 ,  C02F3/308 ,  C02F3/341 ,  C02F2101/105 ,  C02F2101/16 ,  C02F2209/22 ,  Y02W10/15

Abstract: A method of wastewater treatment using a membrane bioreactor, including: controlling aeration to enable a dissolved oxygen concentration to be 0 to 1.5 mg/L, and keeping the integrated reaction vessel under a facultative environment. A wastewater treatment system by the membrane bioreactor without physical area division includes a reaction vessel, a membrane separation system, a water production system, and an aeration system. The membrane separation system is disposed inside the reaction vessel. The water production system communicates with the membrane separation system to pump filtrate out of the membrane separation system. The aeration system is employed to aerate the reaction vessel and the membrane separation system.

公开(公告)号：US20170253510A1

公开(公告)日：2017-09-07

申请号：US15604627

申请日：2017-05-24

Applicant: Jiangxi JDL Environmental Protection Co., Ltd.

Inventor： Zhimin LIAO ,  Tao ZHOU

IPC: C02F3/12 ,  C02F3/00 ,  C02F1/44

Abstract: A wastewater treatment system including a facultative-organism-adapted membrane bioreactor. The facultative-organism-adapted membrane bioreactor includes a reaction vessel, a membrane separation system, a water production system and an aeration system. The membrane separation system is disposed in the reaction vessel. The water production system communicates with the membrane separation system to pump a filtrate out of the membrane separation system. A wastewater treatment method using the facultative-organism-adapted membrane bioreactor includes: aerating the reaction vessel to enable a dissolved oxygen concentration in over 50% of the reaction vessel is smaller than 1 mg/L, a dissolved oxygen concentration in the membrane separation system is smaller than 2.0 mg/L, and a dissolved oxygen concentration in the reaction vessel excluding the membrane separation system to be greater than 0 and smaller than 1.0 mg/L.

公开(公告)号：US20170253509A1

公开(公告)日：2017-09-07

申请号：US15602054

申请日：2017-05-22

Applicant: Jiangxi JDL Environmental Protection Co., Ltd.

Inventor： Zhimin LIAO ,  Tao ZHOU

IPC: C02F3/12 ,  C02F1/44 ,  C02F3/00

CPC classification number: C02F3/1273 ,  C02F1/444 ,  C02F3/006 ,  C02F3/1278 ,  C02F3/301 ,  C02F3/308 ,  C02F2101/105 ,  C02F2209/04 ,  C02F2209/22 ,  C02F2303/16 ,  Y02W10/15

Abstract: A method for removing phosphorus by gasification, the method including: a) providing a membrane bioreactor including a reaction tank and a membrane separation system; b) aerating the reaction tank to control a redox potential in the reaction tank to be higher than −200 mV; and c) controlling the dissolved oxygen concentration around the membrane separation system to be greater than 0 and smaller than 2 mg/L and the dissolved oxygen concentration in the reaction tank excluding the membrane separation system to be greater than 0 and smaller than 1 mg/L, and allowing the dissolved oxygen concentration around the membrane separation system to be higher than the dissolved oxygen concentration in the rest zones of the reaction tank. A phosphorus removal system by gasification includes: a reaction tank, a membrane separation system, a water production system, an aeration system.