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Environment-friendly passivation deodorization cleaning agent and waste liquid treatment method after use

A technology for waste liquid treatment and cleaning agent, which is applied in chemical instruments and methods, filtration treatment, deodorant compositions, etc., can solve the problems of high degradation difficulty of passivation deodorants and inability to discharge waste water up to the standard, and achieves environmental protection value and Outstanding social benefit, remarkable effect, and the effect of saving phosphorus resources

Pending Publication Date: 2021-07-16
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem that the passivated deodorant in the prior art is difficult to degrade, and generally does not match the corresponding waste liquid treatment method, resulting in the problem that the waste water cannot be discharged up to the standard due to the complex composition of the passivated deodorant, the present invention provides an environmentally friendly Type passivation and deodorization cleaning agent, and the supporting waste liquid treatment method after using the cleaning agent, realize the standard discharge of pharmaceutical wastewater, and truly achieve the environmental protection, high efficiency and pollution-free of passivation and deodorization agents

Method used

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  • Environment-friendly passivation deodorization cleaning agent and waste liquid treatment method after use
  • Environment-friendly passivation deodorization cleaning agent and waste liquid treatment method after use

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Effect test

Embodiment 1

[0055] Provide an environment-friendly passivation deodorizing cleaning agent, the total mass of the cleaning agent is 100%, and the mass percentage of each component in the cleaning agent is:

[0056] Potassium ferrate 0.6%, sodium hypochlorite 0.35%, acrylic acid-maleic anhydride copolymer 0.45%, sodium gluconate 0.2%, fatty alcohol polyoxyethylene ether 0.35%, N-acyl amino acid 0.4%, polyepoxysuccinic acid 0.4%, Methyl nonacetaldehyde 0.5%, the balance is water; the overall COD of the cleaning agent is about 28000mg / L, BOD 5 The total nitrogen is 11000mg / L, the total nitrogen is 400mg / L, the pH is 6.3, the oxidation reduction potential (ORP value) is about 350mv, and the total phosphorus, ammonia nitrogen, and petroleum are free.

[0057] The environment-friendly passivation deodorizing cleaning agent is prepared by conventional methods such as feeding, mixing, and stirring, and the temperature of the solution is controlled not to be higher than 60°C to prevent the decompos...

Embodiment 2

[0065] Provide an environment-friendly passivation deodorizing cleaning agent, the total mass of the cleaning agent is 100%, and the mass percentage of each component in the cleaning agent is:

[0066] Potassium ferrate 0.65%, sodium hypochlorite 0.3%, acrylic acid-maleic anhydride copolymer 0.5%, sodium gluconate 0.15%, fatty alcohol polyoxyethylene ether 0.3%, N-acyl amino acid 0.45%, polyepoxysuccinic acid 0.35%, Methyl nonacetaldehyde 0.52%, the balance is water; the overall COD of the cleaning agent is about 26500mg / L, BOD 5 The total nitrogen is 10500mg / L, the total nitrogen is 450mg / L, the pH is 6.3, the oxidation reduction potential (ORP value) is about 365mv, and the total phosphorus, ammonia nitrogen, and petroleum are free.

[0067] The environment-friendly passivation deodorizing cleaning agent is prepared by conventional methods such as feeding, mixing, and stirring, and the temperature of the solution is controlled not to be higher than 60°C to prevent the decomp...

Embodiment 3

[0075] Provide an environment-friendly passivation deodorizing cleaning agent, the total mass of the cleaning agent is 100%, and the mass percentage of each component in the cleaning agent is:

[0076] Potassium ferrate 0.3%, sodium hypochlorite 0.15%, acrylic acid-maleic anhydride copolymer 0.2%, sodium gluconate 0.1%, fatty alcohol polyoxyethylene ether 0.15%, N-acyl amino acid 0.15%, polyepoxysuccinic acid 0.15%, Methyl nonacetaldehyde 0.2%, the balance is water; the overall COD of the cleaning agent is about 13000mg / L, BOD 5 The total nitrogen is 4500mg / L, the total nitrogen is 250mg / L, the pH is 6.5, the oxidation reduction potential (ORP value) is about 270mv, and the total phosphorus, ammonia nitrogen, and petroleum are free.

[0077] The environment-friendly passivation deodorizer is prepared by conventional methods such as feeding, mixing, and stirring, and the temperature of the solution is controlled not to be higher than 60°C to prevent the decomposition of potassi...

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Abstract

An environment-friendly passivation deodorization cleaning agent is prepared from the following components in percentage by mass: 0.1 percent to 1 percent of potassium ferrate, 0.05 percent to 0.5 percent of sodium hypochlorite, 0.07 percent to 0.7 percent of an acrylic acid-maleic anhydride copolymer, 0.03 percent to 0.3 percent of sodium gluconate, 0.05 percent to 0.5 percent of fatty alcohol-polyoxyethylene ether, 0.06 percent to 0.6 percent of N-acylamino acid, 0.06 percent to 0.6 percent of polyepoxysuccinic acid, 0.08 percent to 0.8 percent of fatty aldehyde and the balance of water. Waste liquid obtained after the cleaning agent is used is sequentially subjected to demulsification and flocculation, oil separation, air floatation, anaerobic biochemical treatment, A / O biochemical treatment and BAF deep treatment, and effluent reaches the standard and is discharged. The cleaning agent is remarkable in passivation and deodorization effect, components in the cleaning agent are easy to biodegrade, a corresponding waste liquid treatment method is matched, and the cleaning agent has great environmental protection significance.

Description

technical field [0001] The invention relates to an environment-friendly passivation deodorizing cleaning agent and a waste liquid treatment method after use, belonging to the technical field of environmental protection. Background technique [0002] The chemical wastewater produced by passivation and deodorization has always been a major problem faced by petrochemical plants during shutdown and maintenance, because of its high COD (chemical oxygen demand), high organic nitrogen, high organic phosphorus, complex chemical composition, and difficult biodegradation And other characteristics, it is very easy to impact the sewage treatment plant. In the light case, the effluent of the sewage treatment plant does not meet the standard, and in severe cases, it will cause poisoning or death of the activated sludge, and the biological activity is difficult to recover in a short period of time. Moreover, more and more petrochemical plants use high-sulfur crude oil (more than 1% sulfur ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/83C11D3/04C11D3/20C11D3/37C11D3/60C02F9/14C02F101/16
CPCC11D1/83C11D3/0068C11D3/0073C11D3/046C11D3/3765C11D3/2086C11D3/2072C02F9/00C02F1/40C02F1/5236C02F1/24C02F3/30C02F1/56C02F1/001C02F2101/16C11D1/72C11D1/32
Inventor 马和旭宫超郭宏山陈天佐陈明翔陈咏燕余灿鑫
Owner CHINA PETROLEUM & CHEM CORP
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