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Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1358-2

Abstract:

• Microbes enhance denitrification under varying DO concentrations and SIF dosages.

Keywords： Scrap iron filing     Nitrate removal     Phosphate removal     Mixed culture denitrification     Zero valent iron    

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Enhanced adsorption of phosphate by loading nanosized ferric oxyhydroxide on anion resin

Jing REN,Nan LI,Lin ZHAO,Nanqi REN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 531-538 doi: 10.1007/s11783-014-0629-1

Abstract: adsorbent was prepared by loading nanosized ferric oxyhydroxide (FO) on anion exchanger resin for the removalof phosphate from wastewater.Batch adsorption experiments revealed that higher temperature (313K), higher initial phosphate concentration(50 mg·L ) and lower solution pH (pH value of 2) would be more propitious to phosphate adsorption.Competition effect of coexisting anions on phosphate removal can be concluded as sulfate>nitrate>chloride

Keywords： phosphate removal     adsorption     nanosized ferric oxyhydroxide     anion exchanger    

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Facile fabrication of dolomite-doped biochar/bentonite for effective removal of phosphate from complex

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1671-7

Abstract:

● Dolomite-doped biochar/bentonite was synthesized for phosphate removal

Keywords： Biochar-bentonite composite     Dolomite doping     Phosphate adsorption     Polymeric matrix membrane     Adsorption-filtrationdual functions     Low-concentration phosphate    

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Phosphorous removal from wastewater by lanthanum modified Y zeolites

Weikang ZHANG, Ye TIAN

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 209-215 doi: 10.1007/s11705-014-1448-4

Abstract: parameters, such as pH, ionic strength, coexisting anions ( , Cl , and ) and temperature, on the phosphateThe capacity of the La (III)-modified Y zeolite to remove phosphate increased as the La/Y zeolite massratio increased and after 4 h, a phosphate removal efficiency of 95% was achieved for a La/Y zeolite

Keywords： phosphate removal     wastewater     lanthanum     impregnation     Y zeolites    

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Simultaneous removal of total oxidizable carbon, phosphate and various metallic ions from HO solution

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 470-482 doi: 10.1007/s11705-022-2231-6

Abstract: co-condensation method using zirconium butanol and 3-aminopropyltriethoxy silane for the simultaneous removalAccordingly, the removal efficiency of total oxidizable carbon, phosphate and metallic ions from theThe removal efficiency of 82.7% for total oxidizable carbon, 34.2% for phosphate, 87.1% for Fe3+The studies conducted using simulated solutions showed that the adsorption process of phosphate on amino-functionalizedZeta potential, FTIR and X-ray photoelectron spectroscopy revealed that the adsorption mechanism of phosphate

Keywords： adsorption     zirconia     total oxidizable carbon     phosphate     metallic ions     hydrogen peroxide    

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Highly efficient and selective removal of phosphate from wastewater of sea cucumber aquaculture for microalgae

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1720-2

Abstract:

● A new adsorption-membrane separation strategy is used for phosphateremoval.

Keywords： Adsorption-membrane     Low-concentration phosphate     Zr-modified-bentonite     Recycle     Microalgal culture    

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Use of zeolitized coal fly ash in the simultaneous removal of ammonium and phosphate from aqueous solution

WU Deyi, HU Zhanbo, WANG Xinze, HE Shengbing, KONG Hainan

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 213-220 doi: 10.1007/s11783-007-0037-x

Abstract: The removal of ammonium and phosphate that coexist in aqueous solution by the synthesized zeolites wereSaturation of zeolite with Ca rather than N favored the removal of both ammonium and phosphate becauseAn increase in the temperature elevated the immobilization of phosphate whereas it abated the removalIn contrast, the removal of phosphate approached 100% at a pH lower than 5.0 or higher than 9.0, andphosphate.
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EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 479-491 doi: 10.15302/J-FASE-2023480

Abstract:

● LFD was treated by fly ash-based chemical precipitation and CO2 mineralization.

Keywords： anaerobic digestion     chemical oxygen demand     fly ash     ion removal     total phosphate    

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Effects of nitrite on phosphate uptake in anaerobic-oxic process

LI Jie, XIONG Biyong, ZHANG Shude, YANG Hong, ZHANG Jie

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 39-42 doi: 10.1007/s11783-007-0007-3

Abstract: An anaerobic-oxic (A/O) biological phosphorus removal reactor was operated to study the effect of nitriteon phosphate uptake.The results indicated that in addition to oxygen and nitrate (DPB, nitrate denitrifying phosphorus removalevidently lower than that of DPB The experiment results revealed that nitrite would bring toxic action to phosphate-accumulatingMoreover, the data showed that the aerobic phosphate uptake of DPB was lower than that of anaerobic phosphorus-released

Keywords： effluent     PAOs     experiment     phosphate-accumulating     phosphorus removal    

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Investigation of phosphate adsorption from an aqueous solution using spent fluid catalytic cracking catalyst

Zhen Li, Zhaofu Qiu, Ji Yang, Benteng Ma, Shuguang Lu, Chuanhui Qin

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1082-3

Abstract:

Spent FCC catalyst with lanthanum is proposed as a novel P-removal

The phosphate is adsorbed in the form of LaPO

Keywords： Spent FCC catalyst     Phosphate removal     Adsorption     Lanthanum    

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Arsenic and chromate removal from water by iron chips-Effects of anions

ZHANG Ruihua, SUN Hongwen, YIN Jin

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 203-208 doi: 10.1007/s11783-008-0036-6

Abstract: The purpose of this study is to estimate the removal efficiency of As and Cr (VI) by one kind of industrialwaste – iron chips, as well as to estimate the effects of typical inorganic anions (sulfate, phosphate

Keywords： phosphate     removal efficiency     industrial     typical inorganic    

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Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by using

Ziyuan LIU, Hang GAO, Dongming GUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 294-302 doi: 10.1007/s11465-019-0576-4

Abstract: solve the inefficiency of previous water-dissolution polishing techniques for potassium dihydrogen phosphateThe material removal of TAWF polishing is mainly attributed to the synergistic effect of deliquescence

Keywords： potassium dihydrogen phosphate (KDP) crystal     controllable deliquescence     two-phase air–water fluid     high-efficiencypolishing     material removal    

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Rapid and long-effective removal of broad-spectrum pollutants from aqueous system by ZVI/oxidants

Sana Ullah, Xuejun Guo, Xiaoyan Luo, Xiangyuan Zhang, Siwen Leng, Na Ma, Palwasha Faiz

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1268-3

Abstract: . • ZVI/oxidants system achieved fast and long-effective removal of contaminants. • Multiple mechanismsare involved in contaminants removal by ZVI/oxidant system. • ZVI/Oxidants did not change the reducingintrinsic passive layer would lead to the inferior reactivity of ZVI and its lower efficacy in contaminant removalis to identify the critical role of oxygen in determining the reactivity of ZVI toward contaminant removalSubsequently, the effect of three typical oxidants (H2O2, KMnO4, and NaClO) on broad-spectrum contaminants removal

Keywords： Zero-Valent Iron (ZVI)     Oxidants     Heavy Metals (HMs)     Metalloids     Nitrate     Phosphate    

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Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction usingdi(2-ethylhexyl) phosphate

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 528-537 doi: 10.1007/s11705-020-1955-4

Abstract: , Ni , Co and Cu are commonly found in the leaching solution of laterite-nickel ores, and the pre-removalDi(2-ethylhexyl)phosphate acid (D2EHPA) showed high extraction rate and selectivity of Fe over other

Keywords： solvent extraction     iron     di(2-ethylhexyl)phosphate acid     separation    

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A potentiometric cobalt-based phosphate sensor based on screen-printing technology

Lei ZHU,Xiaohong ZHOU,Hanchang SHI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 945-951 doi: 10.1007/s11783-013-0615-z

Abstract: The cobalt-based phosphate sensor showed a phosphate-selective potential response in the range of 10DO and pH were found to interfere with sensor responses to phosphate.sensitivity, and stability, which are comparable with conventional bulk Co-wire sensors, the proposed phosphate

Keywords： phosphate     cobalt     screen-printing technology     electroplate     wastewater    

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Title Author Date Type Operation

Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture

Journal Article

Enhanced adsorption of phosphate by loading nanosized ferric oxyhydroxide on anion resin

Jing REN,Nan LI,Lin ZHAO,Nanqi REN

Journal Article

Facile fabrication of dolomite-doped biochar/bentonite for effective removal of phosphate from complex

Journal Article

Phosphorous removal from wastewater by lanthanum modified Y zeolites

Weikang ZHANG, Ye TIAN

Journal Article

Simultaneous removal of total oxidizable carbon, phosphate and various metallic ions from HO solution

Journal Article

Highly efficient and selective removal of phosphate from wastewater of sea cucumber aquaculture for microalgae

Journal Article

Use of zeolitized coal fly ash in the simultaneous removal of ammonium and phosphate from aqueous solution

WU Deyi, HU Zhanbo, WANG Xinze, HE Shengbing, KONG Hainan

Journal Article

EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Journal Article

Effects of nitrite on phosphate uptake in anaerobic-oxic process

LI Jie, XIONG Biyong, ZHANG Shude, YANG Hong, ZHANG Jie

Journal Article

Investigation of phosphate adsorption from an aqueous solution using spent fluid catalytic cracking catalyst

Zhen Li, Zhaofu Qiu, Ji Yang, Benteng Ma, Shuguang Lu, Chuanhui Qin

Journal Article

Arsenic and chromate removal from water by iron chips-Effects of anions

ZHANG Ruihua, SUN Hongwen, YIN Jin

Journal Article

Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by using

Ziyuan LIU, Hang GAO, Dongming GUO

Journal Article

Rapid and long-effective removal of broad-spectrum pollutants from aqueous system by ZVI/oxidants

Sana Ullah, Xuejun Guo, Xiaoyan Luo, Xiangyuan Zhang, Siwen Leng, Na Ma, Palwasha Faiz

Journal Article

Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction usingdi(2-ethylhexyl) phosphate

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Journal Article

A potentiometric cobalt-based phosphate sensor based on screen-printing technology

Lei ZHU,Xiaohong ZHOU,Hanchang SHI

Journal Article