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

Colority and turbidity compensation determination method for ammonia nitrogen in distilled spirit industrial wastewater

A technology of industrial wastewater and measurement methods, which is applied in the direction of color/spectral characteristic measurement, measurement devices, and material analysis through optical means. It can solve the problems of long measurement time and low work efficiency, and overcome the influence of detection results. The effect of work efficiency

Inactive Publication Date: 2019-01-11
安徽润安信科检测科技有限公司
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above two methods, the samples containing color and turbidity have been pretreated, so the sample determination takes a long time and the work efficiency is low

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
  • Colority and turbidity compensation determination method for ammonia nitrogen in distilled spirit industrial wastewater
  • Colority and turbidity compensation determination method for ammonia nitrogen in distilled spirit industrial wastewater
  • Colority and turbidity compensation determination method for ammonia nitrogen in distilled spirit industrial wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] 1 Reagents and materials

[0029] 1.1 Potassium sodium tartrate solution, ρ=500g / L.

[0030] Weigh 50.0g potassium sodium tartrate (KNaC 4 h 6 o 6 4H 2 O) Dissolve in 100mL of water, heat to boil to drive off ammonia, fully cool and dilute to 100mL.

[0031] 1.2 Nessler's reagent solution

[0032] Weigh 16.0g of sodium hydroxide (NaOH), dissolve it in 50mL of water, and cool to room temperature. Weigh 7.0g potassium iodide (KI) and 10.0g mercury iodide (HgI 2 ), dissolved in water, and then this solution was slowly added to the above 50mL sodium hydroxide solution under stirring, and diluted with water to 100mL. Store in polyethylene bottles, tightly closed with rubber stoppers or polyethylene caps, and stored in a dark place, valid for one year.

[0033] 1.3 Chromaticity-Turbidity Compensation Solution

[0034] Mix one volume of sodium hydroxide solution (160 g / L) and one volume of potassium sodium tartrate solution (1.1).

[0035] 1.4 Ammonia nitrogen standa...

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

The invention discloses a colority and turbidity compensation determination method for ammonia nitrogen in distilled spirit industrial wastewater. The method comprises the following steps: adopting Nessler reagent spectrophotometry, directly developing to determine the absorbance without pretreatment, preparing a blank sample, adding 2mL of colority-turbidity compensation liquid into the sample, and eliminating the colority or turbidity in the sample, wherein the potassium sodium tartrate and Nessler reagent solution are not added; and deducting the absorbance of the blank sample from the absorbance of the sample. The method is simple, convenient, accurate and reliable, and the requirement on timely regulation of the ammonia nitrogen treatment process in the distilled spirit industrial wastewater is met.

Description

technical field [0001] The invention relates to a chromaticity and turbidity compensation measurement method for ammonia nitrogen in liquor industrial wastewater, and belongs to the field of ammonia nitrogen measurement methods in wastewater. Background technique [0002] Ammonia nitrogen is one of the national water quality discharge indicators. It is required that the concentration of external drainage must meet the national discharge standard. Therefore, the content of ammonia nitrogen in each stage of water quality must be strictly controlled to ensure that the discharge of external drainage meets the standard. The determination methods of ammonia nitrogen include Nessler's reagent spectrophotometry, distillation-neutralization titration and so on. Nessler's reagent spectrophotometry stipulates that if the sample is turbid or colored, it can be treated by pre-distillation or flocculation precipitation, and then the color reaction of Nessler's reagent is carried out to me...

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
IPC IPC(8): G01N21/31
CPCG01N21/31G01N2021/3185
Inventor 张良东汤有宏
Owner 安徽润安信科检测科技有限公司
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