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Phenol-ammonia-semi-coke wastewater treatment device and treatment method

A technology for wastewater treatment and charcoal wastewater, which is applied in multi-stage water treatment, water/sewage treatment, water treatment parameter control, etc. Operating costs, good water quality indicators, and the effect of reducing energy consumption per ton of water treatment

Pending Publication Date: 2020-10-02
天津同创恒泰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a treatment device and treatment method for semi-coke phenol ammonia wastewater containing oil, dust and high phenol produced in the process of producing semi-coke by using low-rank coal. Remove oil, dust, phenol and other organic matter and impurities in the phenolic ammonia raw material wastewater, and solve the problems of equipment blockage, unqualified recycled product indicators, and substandard effluent in the traditional blue-carbon phenolic ammonia wastewater treatment process

Method used

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  • Phenol-ammonia-semi-coke wastewater treatment device and treatment method
  • Phenol-ammonia-semi-coke wastewater treatment device and treatment method
  • Phenol-ammonia-semi-coke wastewater treatment device and treatment method

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Embodiment 1

[0041] 100t / h phenol ammonium blue carbon wastewater raw material, COD content is 41500mg / L, oil content is 3800mg / L, total phenol content is 11800mg / L, ammonia nitrogen content is 8000mg / L, sulfide content is 2500mg / L, dust content It is 1500mg / L, the pH value is 9.5, and the temperature is 25°C. Attached figure 1 The intermediate treatment device is processed according to the treatment process steps, and the main process parameters are as follows:

[0042] (a) Oil separation and dust removal: use oil separator 1 to carry out preliminary purification of phenol ammonia blue carbon wastewater, and the raw material of phenol ammonia blue carbon wastewater directly enters oil separator 1, and light oil, heavy oil and impurities are extracted from the oil outlet. Oil-separating and dust-removing wastewater is produced at the water outlet, with an oil content of 2000mg / L and a solid dust content of 150mg / L.

[0043] (b) Extraction dephenolization and oil removal: This example ado...

Embodiment 2

[0056] The treatment capacity is 50t / h phenol ammonium blue carbon wastewater raw material, the COD content is 39500mg / L, the oil content is 2700mg / L, the total phenol content is 8500mg / L, the ammonia nitrogen content is 5500mg / L, the sulfide content is 4000mg / L, the dust The content is 2300mg / L, the pH value is 5.6, and the temperature is 45°C. Attached figure 1 The process flow chart is processed, and the main process parameters are as follows:

[0057] (a) Oil separation and dust removal: use oil separator 1 to carry out preliminary purification of phenol ammonia blue carbon wastewater, and the raw material of phenol ammonia blue carbon wastewater directly enters oil separator 1, and light oil, heavy oil and impurities are extracted from the oil outlet. Oil-separating and dust-removing wastewater is produced at the water outlet, with an oil content of 1600mg / L and a solid dust content of 300mg / L.

[0058] (b) Extraction dephenolization and oil removal: This example adopts...

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Abstract

The invention discloses a phenol-ammonia-semi-coke wastewater treatment device and a treatment method. The device comprises an oil separator, a plurality of extraction towers, a deacidification tower,a water tower, a deamination tower, an extraction agent circulating tank and a phenol tower. Organic matters and impurities such as oil, dust, phenol and the like in the phenol-ammonia raw material wastewater are removed by adopting an oil remover and an extraction oil removal method, so that the problems of device and equipment blockage, unqualified recovered product indexes, substandard effluent and the like in the traditional semi-coke phenol-ammonia wastewater treatment process are solved.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a phenol ammonia blue carbon wastewater treatment device and a treatment method. Background technique [0002] China's resources are characterized by "rich coal, lack of oil and little gas". Coal is the main energy consumption in China, and low-rank coal reserves account for more than 55% of the country's proven coal reserves. An important measure for clean and efficient utilization and to ensure national energy security is to use coal as raw material and use thermal decomposition to dry distillation to produce clean fuels and basic chemical raw materials. ) conditions, during the production of (semi-coke) blue carbon clean fuel and coal gasification process, a kind of refractory, high CODVS industrial wastewater is produced, namely phenol ammonia blue carbon wastewater, which contains a large amount of refractory, highly toxic pollution substances, such as phenols,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10C02F101/34C02F101/16
CPCC02F1/043C02F1/048C02F1/06C02F1/20C02F1/26C02F1/40C02F1/586C02F9/00C02F2101/16C02F2101/345C02F2209/02C02F2209/03C02F2209/08C02F2209/14C02F2301/08C02F2303/14
Inventor 王旭平张泽沛马艳
Owner 天津同创恒泰科技有限公司
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