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Method of wastewater treatment and apparatus for its realization in sequencing batch reactors

A wastewater treatment and reactor technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, aerobic process treatment, etc., can solve problems such as poor water quality, and achieve the effect of preventing pollution and cost-effectiveness

Inactive Publication Date: 2012-12-19
简・托帕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Another obvious disadvantage of this method is the fact that during the activation process sludge enters the inlet of the air lift pump, which leads to a worse quality of treated water effluent when the activated sludge is mixed with the wastewater

Method used

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  • Method of wastewater treatment and apparatus for its realization in sequencing batch reactors
  • Method of wastewater treatment and apparatus for its realization in sequencing batch reactors
  • Method of wastewater treatment and apparatus for its realization in sequencing batch reactors

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Embodiment Construction

[0015] According to the invention, the wastewater treatment plant consists of a reactor 4 with a gravity or pressure inlet 18 for the wastewater and an aeration tank 16 . exist figure 1 and 2 In a feasible embodiment, the reactor 4 is equipped with a decanter 2, and the decanter 2 is composed of an inlet pipe 9 with an inlet 24, a floating part 7 and a delivery pipe 5, and the delivery pipe 5 enters the pneumatic lift through the movable connection 6 In tank (tank) 3 of pump 1. The floating member 7 may comprise eg an elbow or another shaped inflatable air section. The articulation 6 consists of a flexible, flexible hose or the like made of soft material, and the tank 3 of the airlift pump 1 is separated from the interior of the reactor 4 in a watertight manner. The air lift pump 1 is advantageously located at the inlet 12 near the bottom of the tank 3 . For the airlift pump 1, in order to operate the airlift pump 1 stably, the inlet 12 of the airlift pump 1 should not be ...

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Abstract

The method of wastewater treatment and the method-applying apparatus in the sequencing batch reactors, where after separating the activated sludge from the treated water the treated water is drawn off via a decanting apparatus from the sub-surface layer of water in the reactor. The decanted water is conveyed by the decanting apparatus to a separate tank of the air-lift pump, which is separated in a watertight way from the inside of the reactor. The treated water is pumped off from the separate tank of the air-lift pump to the outlet by the air-lift pump, the inlet of which is located at the level corresponding to the delivery yield of the air-lift pump. The submerged inlet part of the decanting apparatus moves vertically alongside with the fluctuating water level in the reactor.

Description

technical field [0001] The present invention relates to wastewater treatment in discontinuous flow reactors, namely SBRs (Sequencing Beach Reactors). Accordingly, the present invention relates to a method of biological wastewater treatment using activated sludge suspension mainly in small scale and domestic wastewater treatment plants. Background technique [0002] Wastewater treatment in batch reactors (SBRs) is characterized by separation of treatment in several stages, with the water in the reactor rising from a low level to a high level during the first stage of filling. After the reactor is filled to the high water level, the operating (working) water level, the main treatment methods related to aeration and mixing of wastewater and activated sludge containing a mixture of microorganisms are started. The treatment method can also start during the filling of the reactor. After the time required for wastewater treatment, a settling phase follows, where the specific grav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/12C02F3/22
CPCC02F3/223C02F3/1263Y02W10/10
Inventor 简·托帕
Owner 简・托帕