Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Three-phase biological fluidized bed A/O/O process for treating coking wastewater

A biological fluidized bed, coking wastewater technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the difficult elimination of wastewater oily components and ammonia nitrogen, wastewater treatment technology Outdated, high equipment operating costs and other issues, to achieve the effect of reducing sludge production, saving carbon sources, and reducing alkali consumption

Inactive Publication Date: 2014-01-08
SUZHOU GUOHUAN ENVIRONMENT DETECTION
View PDF0 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also many treatment processes for coking wastewater. However, the old wastewater treatment technology is backward and the treatment effect is poor. It is difficult to effectively eliminate the oily components and ammonia nitrogen in the wastewater. Physicochemical and biological processes produce a large amount of sludge, and the operation of equipment higher cost

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
  • Three-phase biological fluidized bed A/O/O process for treating coking wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0016] Such as figure 1 As shown, the present invention provides a three-phase biological fluidized bed A / O / O process for treating coking wastewater, which according to the coking wastewater process includes a degreasing tank, a ammonia removal tower, a catchment regulating tank, and a first-level coagulation sedimentation tank , Anaerobic fluidized bed, primary aerobic three-phase biological fluidized bed, secondary aerobic three-phase biological fluidized bed, biological filter and secondary coagulation sedimentation tank.

[0017] Among them, the coking wastewater passes through the degreasing tank in the first step and is equipped with a rotating degreasing tank, a vertical flow degreasing tank, and an emulsifiable concentrate separation tank. These three facilities use the principles of centrifugal force, gravity and bubble-assisted floatation. Most of the heavy oil and light oil are separated from the oil and sent to the heavy oil and light oil storage tanks by the oil pump...

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

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention provides a three-phase biological fluidized bed A / O / O (Anaerobic / Oxic / Oxic) process for treating coking wastewater. According to the coking wastewater flow, the three-phase biological fluidized bed A / O / O process comprises a grease removal tank, a deamination tower, a catchment regulating tank, a primary coagulative precipitation tank, an anaerobic fluidized bed, a primary oxic three-phase biological fluidized bed, a secondary oxic three-phase biological fluidized bed, a biological filter and a secondary coagulative precipitation tank, wherein the primary oxic three-phase biological fluidized bed is internally filled with novel large-pore biological carrier particles and mainly used for removing COD (Chemical Oxygen Demand); the secondary oxic three-phase biological fluidized bed is filled with a large-specific surface area biological carrier and used for further degrading organic matters in water out of the primary oxic three-phase biological fluidized bed; granular biological fillers different in granularity are filled in the biological filter from top to bottom so that residual organic matters in the wastewater can be quickly adsorbed and degraded; the coagulative precipitation tanks are used for further separating out fine suspended solids and dropping biological sludge in water out of the biological filter. The process is capable of saving the carbon source, reducing the oxygen demand, reducing the alkali consumption and also reducing the amount of sludge generated.

Description

technical field [0001] The invention relates to coking wastewater treatment, in particular to a three-phase biological fluidized bed A / O / O process for coking wastewater treatment. Background technique [0002] Coking wastewater is industrial organic wastewater produced during high-temperature carbonization of coal, gas purification, recovery and refining of by-products. It has the characteristics of high pollutant concentration, complex components, and high toxicity. In addition to pollutants, it also contains phenol, oil, amine, naphthalene, pyridine, quinoline, anthracene, etc. and polycyclic aromatic compounds (PAHs), and its water quality components are extremely complex. There are also many treatment processes for coking wastewater. However, the old wastewater treatment technology is backward and the treatment effect is poor. It is difficult to effectively eliminate the oily components and ammonia nitrogen in the wastewater. Physicochemical and biological processes pr...

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): C02F9/14
Inventor 王靓
Owner SUZHOU GUOHUAN ENVIRONMENT DETECTION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com