Treating agent for heavy metal waste water and preparation method and application thereof

A sewage treatment agent and heavy metal technology, applied in the direction of water/sludge/sewage treatment, special treatment targets, chemical instruments and methods, etc., can solve the problems of poor treatment effect, high treatment cost, secondary pollution, etc., and achieve treatment additive Less quantity, simple production process and stable performance

Active Publication Date: 2017-02-22
柳州市明诚机电设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing heavy metal wastewater treatment agents have the disadvantages of high treatment cost, high addition amount, poor treatment effect and secondary pollution.

Method used

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  • Treating agent for heavy metal waste water and preparation method and application thereof
  • Treating agent for heavy metal waste water and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] In the embodiment of the present invention, a heavy metal sewage treatment agent is composed of the following raw materials in parts by weight: 30 parts of lignin, 19 parts of chitosan, 11 parts of polystyrene sulfonic acid, 13 parts of polyethylene glycol, twelve parts 5 parts of carbon alcohol ester, 1 part of ethylene bis stearic acid amide.

[0020] Polyethylene glycol is mixed with 2 times its mass of deionized water to prepare a polyethylene glycol solution; polystyrene sulfonic acid is mixed with 4 times its mass of deionized water to prepare a polystyrene sulfonic acid solution. The lignin was pulverized, passed through a 150-mesh sieve, added to a polystyrene sulfonic acid solution, heated and stirred at 78°C for 1 hour, and a mixture A was obtained. The chitosan was pulverized, passed through a 150-mesh sieve, added to a polyethylene glycol solution, heated and stirred at 72° C. for 25 minutes, and a mixture B was obtained. Mix mixture A and mixture B, stir a...

Embodiment 2

[0022] In the embodiment of the present invention, a heavy metal sewage treatment agent is composed of the following raw materials in parts by weight: 40 parts of lignin, 27 parts of chitosan, 19 parts of polystyrenesulfonic acid, 21 parts of polyethylene glycol, twelve parts 12 parts of carbon alcohol ester, 5 parts of ethylene bis stearic acid amide.

[0023] Polyethylene glycol is mixed with 2 times its mass of deionized water to prepare a polyethylene glycol solution; polystyrene sulfonic acid is mixed with 4 times its mass of deionized water to prepare a polystyrene sulfonic acid solution. The lignin was pulverized, passed through a 150-mesh sieve, added to a polystyrene sulfonic acid solution, heated and stirred at 78°C for 1 hour, and a mixture A was obtained. The chitosan was pulverized, passed through a 150-mesh sieve, added to a polyethylene glycol solution, heated and stirred at 72° C. for 30 minutes, and a mixture B was obtained. Mix mixture A and mixture B, stir ...

Embodiment 3

[0025] In the embodiment of the present invention, a heavy metal sewage treatment agent is composed of the following raw materials in parts by weight: 32 parts of lignin, 21 parts of chitosan, 13 parts of polystyrenesulfonic acid, 15 parts of polyethylene glycol, twelve parts of 7 parts of carbon alcohol ester, 2 parts of ethylene bis stearic acid amide.

[0026] Polyethylene glycol is mixed with 2 times its mass of deionized water to prepare a polyethylene glycol solution; polystyrene sulfonic acid is mixed with 4 times its mass of deionized water to prepare a polystyrene sulfonic acid solution. The lignin was pulverized, passed through a 150-mesh sieve, added to a polystyrene sulfonic acid solution, heated and stirred at 78°C for 1 hour, and a mixture A was obtained. The chitosan was pulverized, passed through a 150-mesh sieve, added to a polyethylene glycol solution, heated and stirred at 72° C. for 28 minutes, and a mixture B was obtained. Mix mixture A and mixture B, sti...

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Abstract

The invention discloses a treating agent for heavy metal waste water and a preparation method and application thereof. The treating agent is prepared from the following raw materials in parts by weight: 30-40 parts of lignin, 19-27 parts of chitosan, 11-19 parts of polystyrolsulfon acid, 13-21 parts of polyethylene glycol, 5-12 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate and 1-5 parts of ethylene-bis-stearamide. According to the preparation method, the lignin is treated with the polystyrolsulfon acid, the chitosan is treated with the polyethylene glycol, then the treating agent is prepared by ultrasonic treatment and high-temperature calcination from the 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate and ethylene-bis-stearamide, therefore a synergetic effect is played, multiple kinds of metal ions in a water body can be captured, simultaneously the treating agent has notable corrosion inhibition and antiprecipitation effects, and the production cost is reduced; the treating agent has stable performance, good quality of effluent water, low level of addition for treatment and low treatment cost; and the treated waste water can achieve an effluent standard. The treating agent disclosed by the invention has the advantages of no toxicity, no secondary pollution of water after treatment, convenience in recovery, simple manufacturing process, easy operation and suitability for industrialized production.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a heavy metal sewage treatment agent and its preparation method and application. Background technique [0002] my country is a country with a shortage of water resources. The per capita water resources are only 1 / 4 of the world's, and the distribution of water resources is seriously uneven. How to alleviate the shortage of water resources and pollution has become an urgent problem. At present, the water quality of water resources such as rivers, lakes and reservoirs is worrying, especially the problems caused by heavy metal pollution. [0003] At present, there are three main types of heavy metal wastewater treatment methods in various countries in the world: the first type is the method of removing heavy metal ions in wastewater through chemical reactions, including neutralization precipitation method, sulfide precipitation method, ferrite co-precipitation method, chemi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/10
CPCC02F5/10C02F5/105C02F2303/08
Inventor 张松
Owner 柳州市明诚机电设备有限公司
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