Methods for wastewater treatment

A treatment method and wastewater technology, applied in water/sewage treatment, aerobic process treatment, sludge oxidation treatment, etc., can solve the problem of low oxygen utilization rate, and achieve the effect of low power consumption and high efficiency

Inactive Publication Date: 2019-06-04
LINDE AG
View PDF4 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A shortcoming of existing designs for secondary biological treatment of wastewater is that these designs are characterized by low oxygen utilization
Failure to meet investment needs over the next 20 years risks reversing the public health, environmental and economic gains of the past three decades"

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Methods for wastewater treatment
  • Methods for wastewater treatment
  • Methods for wastewater treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0048] The present invention provides a secondary biological wastewater treatment unit incorporating a pipe-in-pipe design. The compact design of the unit reduces the footprint required for installation. Furthermore, the unit of the present invention is modular and mobile, thus increasing usability and versatility of use. The unit of the present invention provides enhanced wastewater treatment. All of these factors contribute to the ability to provide a wastewater treatment unit with lower CAPEX and lower OPEX required for wastewater treatment plants. The inventive unit can be placed on a trailer or truck and can be moved to or near a source of organic or chemical waste. In most petrochemical plants, refineries and chemical units, concentrated forms of organic or chemical waste (usually concentrated chemical solvent-based waste) are discharged into interceptors after generation to prevent discharge (often illegally) and pollute natural water bodies. Concentrated waste is d...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

A method for treating wastewater containing organic contaminants is disclosed. Wastewater containing organic contaminants is fed into an outer pipe of a pipe-in-pipe assembly, wherein the outer pipe concentrically surrounds an inner pipe. Oxygen is fed into the inner pipe which is rotatably mounted and is provided with openings, thereby to provide different sizes of oxygen bubbles to the outer pipe. The oxygen is dispersed into an annular portion between the outer pipe and the inner pipe thereby contacting the wastewater with oxygen; and the thus treated wastewater is collected. The inner pipemay be a tunable membrane material, and the outer pipe may have a biocatalyst material present on its inner surface.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application Serial Nos. 62 / 396,285, 62 / 396,289, 62 / 396,298, and 62 / 396,304, filed September 19, 2016. Background technique [0003] The present invention relates to an improved unit for secondary wastewater treatment which is compact, modular and mobile. The enhanced design of the wastewater treatment unit of the present invention is achieved through better oxygen utilization, higher rates of oxygen dispersion in the wastewater, and recirculation of unreacted gases (eg, oxygen). This provides a system that reduces the CAPEX and OPEX of the wastewater treatment facility. Reduces CAPEX by facilitating the utilization and mixing of oxygen and allowing greater dispersion of oxygen into the wastewater. OPEX can be reduced because the system of the present invention requires less power consumption associated with mixing and moving wastewater in traditional large wastewater t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72C02F11/06C02F3/26C02F9/00
CPCC02F3/26C02F1/44C02F1/74C02F2101/32Y02W10/10B01F23/231B01F25/31323B01F25/313311B01F25/31331B01F25/31333B01F33/811C02F1/727B82Y30/00C02F2101/30C02F2301/046B01F23/23121B01F23/231265B01F2101/305
Inventor N·阿斯拉姆
Owner LINDE AG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap