process optimization for densification of water hyacinth
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Process optimization for densification of water hyacinth ...

Water hyacinth has been identified as one of the top worst water weeds over the world. Due to its characteristics of rapid growth rate and broad environmental tolerance, it has widely spread in most waterways in 17 provinces of south areas of China since 1930's. However, water hyacinth has a strong ability to absorb nitrogen, phosphorus and other harmful heavy metal elements from water, so it ...

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Optimization of dilute acid pretreatment of water hyacinth ...

The present study was conducted for the optimization of pretreatment process that was used for enzymatic hydrolysis of lignocellulosic biomass (Water Hyacinth, WH), which is a renewable resource for the production of bioethanol with decentralized availability. Response surface methodology has been e

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Water hyacinth (Eichhornia crassipes) – An efficient and ...

2017-5-1  The optimised condition for dye absorption and the kinetic models proposed for various forms of water hyacinth with dye substances is listed out in the Table 2.From the table it is clear that most of the dye absorption process by water hyacinth follows Langmuir isotherm kinetic model with an adsorption range of 8–200 mg/g.The variation of adsorption with pH can be explained by changes in ...

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Optimization of a process for preparing car☐ymethyl ...

1997-3-1  The process of carboxymethylation was optimized with respect to the solvent medium, alkali concentration, acid concentration, time and temperature of the reaction. 1997 Elsevier Science Ltd INTRODUCTION Water hyacinth (Eichornia crassipes) is an obnoxious weed growing on shallow water, ponds, lakes, etc. Due to various socio-economic problems ...

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水葫芦压缩打包机设计与工艺参数优化

The results showed that the excellent water hyacinth compressing-packing process performance was obtained when feeding weight was 7 ± 0. 1 kg,mincing degree was 6. 75 ± 2. 25,dwell time was 10 s,and packing density was 446.6 kg/m^3,yield was 238. 8 kg

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Optimization of Xylose yield from water hyacinth for ...

2013-10-15  Optimization of Xylose yield from water hyacinth for ethanol production using Taguchi Technique iosrjournals 3 Page II Materials and Experimental Procedure 2.1 Preparation of water hyacinth Fresh water hyacinth with long stem was collected from a natural pond.

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Co-hydrothermal carbonization of water hyacinth and ...

2020-10-1  The co-hydrothermal carbonization (co-HTC) of water hyacinth (WH) and polyvinyl chloride (PVC) was investigated and the response surface methodology, which could deduce the interactions among process parameters and establish reliable mathematical models forecasting the behavior of output variables, was implemented to optimize process parameters, including reaction temperature (200–260

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Frontiers Optimization of Bioethanol Production Using ...

Water hyacinth was used as substrate for bioethanol production in the present study. Combination of acid pretreatment and enzymatic hydrolysis was the most effective process for sugar production that resulted in the production of 402.93 mg reducing sugar at optimal condition. A regression model was built to optimize the fermentation factors according to response surface method in ...

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Suitability of hydrothermal carbonization to convert water ...

2020-2-1  Water hyacinth hydrothermal carbonization was studied under different temperature (160–250 C), time (30–120 min) and biomass/water ratio (10–50%) conditions. The research was designed following response surface methodology, which was very useful to infer interactions between variables and to develop models predicting the system behaviour ...

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Enhanced bioethanol production from water hyacinth ...

2016-4-1  Water hyacinth (Eichhornia crassipes), a fast growing aquatic weed and a potential lignocellulosic substrate with high hemicellulosic (44.68 ± 0.39%, w w −1) content was used for bioethanol production.The commercial fungal enzymes are expensive in nature. Taguchi orthogonal array design was employed for optimization of simultaneous saccharification and fermentation (SSF) process

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(PDF) Experimental research on optimization of

Process optimization for densification of water hyacinth pellets fuel. Article. Mar 2016 ... the densification process of water hyacinth pellets was experimentally studied by using a compressing ...

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Water hyacinth (Eichhornia crassipes) – An efficient and ...

2017-5-1  The optimised condition for dye absorption and the kinetic models proposed for various forms of water hyacinth with dye substances is listed out in the Table 2.From the table it is clear that most of the dye absorption process by water hyacinth follows Langmuir isotherm kinetic model with an adsorption range of 8–200 mg/g.The variation of adsorption with pH can be explained by changes in ...

Get Price

Optimization of arsenic phytoremediation using Eichhornia ...

This study aimed to evaluate the pH, phosphate, and nitrate in the process of arsenic absorption by Eichhornia crassipes (water hyacinth), using the surface response methodology, in order to optimize the process. The plants were exposed to a concentration of arsenic of 0.5 mg L -1 (NaAsO

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Enhanced bioethanol production from water hyacinth ...

2016-4-1  Water hyacinth (Eichhornia crassipes), a fast growing aquatic weed and a potential lignocellulosic substrate with high hemicellulosic (44.68 ± 0.39%, w w −1) content was used for bioethanol production.The commercial fungal enzymes are expensive in nature. Taguchi orthogonal array design was employed for optimization of simultaneous saccharification and fermentation (SSF) process

Get Price

Effect of UV-C radiation and vapor released from a water ...

Process optimization was studied by the immersion of a water hyacinth root into a water and bergamot oil (300, 500 and 700 μl ml(-1)). The root (absorbent material) was dried at 50, 70, and 90 °C for 10 min. Then, ultraviolet C (UV-C) was used for enhancing the antifungal activity of

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Co-hydrothermal carbonization of water hyacinth and ...

2020-10-1  The co-hydrothermal carbonization (co-HTC) of water hyacinth (WH) and polyvinyl chloride (PVC) was investigated and the response surface methodology, which could deduce the interactions among process parameters and establish reliable mathematical models forecasting the behavior of output variables, was implemented to optimize process parameters, including reaction temperature (200–260

Get Price

Water Hyacinth for Biocomposites—An Overview

2020-3-21  This article presents an overview on the environmental impact of aquatic weed water hyacinth ( Eichhornea crassipe ). Furthermore, emphasis is given on the extraction of fibers from water hyacinth, fabrication of composites and the effective utilization of the extracted natural fiber in composite materials for various applications.

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Optimization in Production Operations

decisions made outside the scope of optimization: which process components are operating (coal mills, sprayers in a tower), demand (speed, load on a boiler) c. environmental conditions (ambient temperature and moisture) d. state of the process (temperature of cooling water, time since cleaning filters or renewing catalytic agent) e.

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成果及论文 - 李文卫教授课题组 - X-MOL

Process Biochemistry 51: 1885-1889. 2015 [39] WW Li, HQ Yu*, BE Rittmann* (2015) Reuse water pollutants. Nature 528: 29-31. [40] WW Li, HL Zhang, GP Sheng, HQ Yu* (2015) Roles of extracellular polymeric substances in enhanced biological phosphorus

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oracle参数包括隐式参数_ITPUB博客

2012-8-12  _enable_NUMA_optimization FALSE Enable NUMA specific optimizations pre_page_sga FALSE pre-page sga for process shared_memory_address 0 SGA starting address (low order 32-bits on 64-bit platforms ...

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(PDF) Experimental research on optimization of

Process optimization for densification of water hyacinth pellets fuel. Article. Mar 2016 ... the densification process of water hyacinth pellets was experimentally studied by using a compressing ...

Get Price

Optimization of arsenic phytoremediation using Eichhornia ...

This study aimed to evaluate the pH, phosphate, and nitrate in the process of arsenic absorption by Eichhornia crassipes (water hyacinth), using the surface response methodology, in order to optimize the process. The plants were exposed to a concentration of arsenic of 0.5 mg L -1 (NaAsO

Get Price

WATER HYACINTH BIOMASS (WHB) FOR THE

WATER HYACINTH BIOMASS (WHB) FOR THE BIOSORPTION OF HEXAVALENT CHROMIUM: OPTIMIZATION OF PROCESS PARAMETERS Syed Hadi Hasan,a* Deeksha Ranjan,a and Mahe Talat b Water hyacinth (Eichhornia crassipes) biomass has been used for many years for the remediation of heavy metals. The present study

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Co-hydrothermal carbonization of water hyacinth and ...

2020-10-1  The co-hydrothermal carbonization (co-HTC) of water hyacinth (WH) and polyvinyl chloride (PVC) was investigated and the response surface methodology, which could deduce the interactions among process parameters and establish reliable mathematical models forecasting the behavior of output variables, was implemented to optimize process parameters, including reaction temperature (200–260

Get Price

Water Hyacinth for Biocomposites—An Overview

2020-3-21  This article presents an overview on the environmental impact of aquatic weed water hyacinth ( Eichhornea crassipe ). Furthermore, emphasis is given on the extraction of fibers from water hyacinth, fabrication of composites and the effective utilization of the extracted natural fiber in composite materials for various applications.

Get Price

最新研究进展 -MedSci.cn 相关研究进展 -MedSci.cn

Optimization of preparation conditions for biochar derived from water hyacinth by using response surface methodology (RSM) and its application in Pb2+ removal 期刊: JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, 2020; 8

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Process intensification of the ionoSolv pretreatment ...

2021-7-28  The ionoSolv process is one of the most promising technologies for biomass pretreatment in a biorefinery context. In order to evaluate the transition of the ionoSolv pretreatment of biomass from ...

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Process water treatment engineered according to industrial requirements. PWT offers you modernization and process optimization for your process water treatment plant. Water treatment for. Public sector. ... the rezoning of areas and the densification of buildings require measures for the redevelopment of former industrial properties.

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成果及论文 - 李文卫教授课题组 - X-MOL

Process Biochemistry 51: 1885-1889. 2015 [39] WW Li, HQ Yu*, BE Rittmann* (2015) Reuse water pollutants. Nature 528: 29-31. [40] WW Li, HL Zhang, GP Sheng, HQ Yu* (2015) Roles of extracellular polymeric substances in enhanced biological phosphorus

Get Price

华东理工大学学报(自然科学版)

2021-1-11  In-depth exploration of removal, optimization of the stirring speed, initial pH value, sodium sulfide dosage and other process conditions, provide theoretical guidance and technical support for the removal of zinc ions in coal chemical high-salt wastewater.

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