Simultaneous removal of ammonia, P and COD from anaerobically digested piggery wastewater using an integrated process of chemical precipitation and air stripping

Quan, Xuejun; Ye, Changying; Xiong, Yanqi; Xiang, Jinxin; Wang, Fuping

doi:10.1016/j.jhazmat.2010.01.083

Cited by 124 publications

(50 citation statements)

References 27 publications

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“…If this is not possible, then the wastewater can be incinerated, distilled, or stripped. It is sensible to recover the solvent content of the process wastewater and use it in other manufacturing processes (Toth et al 2011;Quan et al 2010).…”

Section: Base Case For Model Validationmentioning

confidence: 99%

Comparison of air and steam stripping: removal of organic halogen compounds from process wastewaters

Toth

Mizsey

2014

Int. J. Environ. Sci. Technol.

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In the engineering practice, there are two basic alternatives of physicochemical treatment for the removal of volatile compounds from process wastewaters: stripping with air or stripping with steam. In this work, these alternatives are investigated and compared in the case of a real industrial problem that is typical for the fine chemical industry and general conclusion is drawn. The removal of the organically bound halogens, called adsorbable organically bound halogens, is investigated. The two alternatives, air and steam stripping, are first modeled in the professional software environment of ASPEN Plus Ò . The model is validated on the data of an existing air stripper for the removal of organic halogens. Same organic halogens removal is applied for the design of a steam stripper. It is proved that the steam stripping shows better operability and economic performance than the air stripping; moreover, the volatile and/or adsorbable organically bound halogen compounds can be recovered in the distillate and they can be reused improving the sustainability.

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Section: Base Case For Model Validationmentioning

confidence: 99%

Comparison of air and steam stripping: removal of organic halogen compounds from process wastewaters

Toth

Mizsey

2014

Int. J. Environ. Sci. Technol.

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“…As an example, the WSA and the experimental setup as shown in Fig. 2, was used for the treatment of an anaerobically digested piggery wastewater (Quan et al, 2010).…”

Section: The Application Of the Wsa In Wastewater Treatmentmentioning

confidence: 99%

Mass Transfer Performance of a Water-Sparged Aerocyclone Reactor and Its Application in Wastewater Treatment

Quan¹,

Qing-hua²,

Xiang³

et al. 2011

Hydrodynamics - Optimizing Methods and Tools

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“…Tsai et al (2004Tsai et al ( , 2007Tsai et al ( , 2011 remove nanoparticles in low pressure or vacuum conditions by an axial-flow cyclone. Quan et al (2009Quan et al ( , 2010 invented a new type of gas-liquid stripping equipment-the water jet air cyclone separator (WSA) which greatly improves the efficiency of the stripping of ammonia. Yang et al (2015) established an innovative operation mode to a new pressure drop model of gas -liquid cyclone.…”

Section: Introductionmentioning

confidence: 99%

Acid Mist Cyclone Separation Experiment on the Hydrochloric Acid Regeneration System of a Cold Rolling Steel Plant

Zhang

Liu

et al. 2016

Aerosol Air Qual. Res.

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In the hydrochloric acid regeneration system of a cold rolling steel plant, the large amounts of hydrochloric acid droplets and iron oxide dust in the flue gas at the absorption column outlet cause serious air pollution. To reduce pollution, a highprecision cyclone separator is utilized to recycle hydrogen chloride acid mist and iron oxide dust simultaneously. The key factors of the high-precision cyclone separator, such as pressure drop, separation efficiency, and fluid density, are investigated to determine the optimal operation parameters under practical working conditions. Results show that the separation efficiency of the cyclone separator increases rapidly initially and then decreases gradually with an increase in pressure drop. Pressure drop and separation efficiency increase slightly with an increase in inlet fluid concentration. When the velocities of the inlet gas are 4.8-10 m s -1 and 5.0-9.2 m s -1 , the separation efficiencies of hydrochloric acid and iron oxide are both higher than 80%. When the velocity of the inlet gas is 6.67 m s -1 , the separation efficiencies of hydrochloric acid and iron oxide reach the highest values of 92% and 89%, respectively.

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Simultaneous removal of ammonia, P and COD from anaerobically digested piggery wastewater using an integrated process of chemical precipitation and air stripping

Cited by 124 publications

References 27 publications

Comparison of air and steam stripping: removal of organic halogen compounds from process wastewaters

Comparison of air and steam stripping: removal of organic halogen compounds from process wastewaters

Mass Transfer Performance of a Water-Sparged Aerocyclone Reactor and Its Application in Wastewater Treatment

Acid Mist Cyclone Separation Experiment on the Hydrochloric Acid Regeneration System of a Cold Rolling Steel Plant

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