Author
Wei Luo
Bio: Wei Luo is an academic researcher from Hunan University. The author has contributed to research in topics: Trickling filter & Activated sludge. The author has an hindex of 4, co-authored 7 publications receiving 356 citations.
Papers
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TL;DR: Different iron modification was used to improve the phosphate adsorption capacity of waste activated sludge (WAS)-based biochar, and X-ray diffraction analyzes indicated that the iron in FeCl3-impregnated WAS-basedBiochar existed mainly in amorphous phase, as hematite andAmorphous hydroxides forms, which was of great benefit to the phosphate Adsorption.
287 citations
TL;DR: The horizontal flow mode for MSL led the system to denitrifying satisfactorily as it ensured relatively long hydraulic retention time (HRT), ideal anoxic condition and adequate organic substrates supply, and higher water spraying frequency benefited intermittent feeding system for pollutants removal.
75 citations
TL;DR: In this paper, five different pretreatments were compared to elucidate the enhanced mechanism through the variation of sludge physicochemical properties, including capillary suction time (CST), extracellular polymeric substances (EPS), and bound water.
68 citations
TL;DR: In this paper, a two-stage system consisting of a trickling filter and a multi-soil-layering (MSL) bioreactor was developed for enhanced treatment of domestic wastewater from decentralized sources.
62 citations
Patent•
04 Sep 2013
TL;DR: In this article, a method for removing dibenzothiophene in oil through catalytic oxidation was proposed, which consisted of: soaking macroporous acrylic acid series and acid cation exchange resin D152 in a deionized water solution with a pH of 2.5, soaking for 24 hours according to the mass volume rate of 1: (40-45), filtering, soaking in an aqueous solution which contains 23-28 percent ammonium tungstate for 4 hours, regulating by using diluted hydrochloric acid, keeping the pH of the solution to
Abstract: The invention relates to a method for removing dibenzothiophene in oil through catalytic oxidation. The method comprises the following steps of: soaking macroporous acrylic acid series faintly acid cation exchange resin D152 in a deionized water solution with the pH of 2.5, soaking for 24 hours according to the mass volume rate of 1: (40-45), filtering, soaking in an aqueous solution which contains 23-28 percent ammonium tungstate for 4 hours, regulating by using diluted hydrochloric acid, keeping the pH of the solution to be 2.5, soaking the filtered catalyst for 5-15 minutes by using ethyl ether, drying to constant weight under the vacuum condition of 50 DEG C, and obtaining the catalyst W/D152; adding a certain amount of the prepared catalyst W/D152 and an oxidant cyclohexanone peroxide into a certain amount of normal octane solution containing dibenzothiophene (DBT), performing catalytic oxidation on the DBT, and extracting by using deionized water and N,N-dimethylformamide (DMF) after the reaction, so that the aim of removing the DBT in the oil is fulfilled. The method has the advantages that the operation is simple, the efficiency of removing the DBT is high, and the removal conditions are mild; and meanwhile, the catalyst is simple in preparation process and high in repeated utilization rate.
3 citations
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TL;DR: In this article, a review of P-removal technologies for small-scale applications is presented, with the goal of determining which treatment options are amenable to small scale applications.
Abstract: The removal of phosphorus (P) from domestic wastewater is primarily to reduce the potential for eutrophication in receiving waters, and is mandated and common in many countries. However, most P-removal technologies have been developed for use at larger wastewater treatment plants that have economies-of-scale, rigorous monitoring, and in-house operating expertise. Smaller treatment plants often do not have these luxuries, which is problematic because there is concern that P releases from small treatment systems may have greater environmental impact than previously believed. Here P-removal technologies are reviewed with the goal of determining which treatment options are amenable to small-scale applications. Significant progress has been made in developing some technologies for small-scale application, namely sorptive media. However, as this review shows, there is a shortage of treatment technologies for P-removal at smaller scales, particularly sustainable and reliable options that demand minimal operating and maintenance expertise or are suited to northern latitudes. In view of emerging regulatory pressure, investment should be made in developing new or adapting existing P-removal technologies, specifically for implementation at small-scale treatment works.
330 citations
TL;DR: It is suggested that a more effective control of biochar structure and its corresponding properties should be further investigated to develop a variety ofBiochar for targeted applications.
289 citations
TL;DR: A review of the literature about phosphate removal from water through adsorption and subsequent recovery through desorption or direct use of the phosphorus-loaded adsorbent as a fertilizer can be found in this article.
285 citations
TL;DR: FA can be leveraged to substantially enhance the biodegradability of secondary sludge, which would further improve biological nutrient removal and enhance renewable energy production.
257 citations
TL;DR: In this paper, the performances and mechanisms for atrazine degradation were examined by persulfate (PS) activation with nanoscale zero-valent iron (nZVI) and graphene (GR) composites at various conditions including dosages of nZVI/GR and PS, pH value, temperature and natural organic matters (NOM).
214 citations