• optimization of coal flocculation with an anionic

    OPTIMIZATION OF COAL FLOCCULATION WITH AN ANIONIC

    Optimization of coal flocculation with an anionic flocculant 813 Chemicals An anionic (A-150) Superfloc synthetic flocculant was obtained from Cyanamid Company. The A-150 polymer used as the flocculant consisted mainly of polyacrylamide and its derivative

  • optimization of coal flocculation with an anionic

    Optimization of coal flocculation with an anionic

    Request PDF Optimization of coal flocculation with an anionic flocculant using a Box-Wilson statistical design method In this study, the Box-Wilson statistical experimental design method was

  • optimization of coal flocculation with an anionic

    Optimization of coal flocculation with an anionic

    In this study, the Box-Wilson statistical experimental design method was employed to evaluate suspension pH, salt (CaCl2·2H2O) concentration and anionic flocculant (A-150) amount in flocculation of coal.

  • (pdf) optimization of settling characteristic of coal fine

    (PDF) Optimization of settling characteristic of coal fine

    Optimization of settling characteristic of coal fine tailing with an anionic polyacrylamide using a response surface methodology

  • characterization and dewatering of fine coal tailings

    Characterization and dewatering of fine coal tailings

    2004-11-19· In another similar study, the flocculation of coal with xanthate or polyethylene was investigated (Maher, 1983). Bustamante and Rutter (1987) studied the flocculation of minus 0.5 mm fine coal suspension. Chandra et al. (1997) evaluated the effect of washwater on the performance of a cationic polymer as a function of pH.

  • (pdf) flocculation mechanism of coal preparation plant

    (PDF) Flocculation Mechanism of Coal Preparation Plant

    In this work, effects of polymer type (moderately and low charged anionic, cationic and nonionic), polymer dosage and suspension pH on flocculation mechanism of fine particles (-0.180 mm) bearing

  • (pdf) optimization of settling characteristic of coal fine

    (PDF) Optimization of settling characteristic of coal fine

    Optimization of settling characteristic of coal fine tailing with an anionic polyacrylamide using a response surface methodology

  • (pdf) flocculation mechanism of coal preparation plant

    (PDF) Flocculation Mechanism of Coal Preparation Plant

    In this work, effects of polymer type (moderately and low charged anionic, cationic and nonionic), polymer dosage and suspension pH on flocculation mechanism of fine particles (-0.180 mm) bearing

  • characterization and dewatering of fine coal tailings

    Characterization and dewatering of fine coal tailings

    2004-11-19· In another similar study, the flocculation of coal with xanthate or polyethylene was investigated (Maher, 1983). Bustamante and Rutter (1987) studied the flocculation of minus 0.5 mm fine coal suspension. Chandra et al. (1997) evaluated the effect of washwater on the performance of a cationic polymer as a function of pH.

  • polymer absorption and flocculation

    Polymer Absorption and Flocculation

    For example, coal flocculation is more effective when the adsorption is weak while the opposite is found for clay. The controlling factor in coal flocculation appears to be the polymer configuration in solution. The more extended the molecule, the better the flocculation and the lower the adsorption, since fewer molecules can be accommodated on

  • an evaluation procedure for flocculation of coal

    An evaluation procedure for flocculation of coal

    The flocculation performance of medium anionic polymer was found to be the most effective for fine coal tailings. Increasing the degree of anionicity decreased the settling rate. In terms of settling rate, particularly moderately charged anionic polymers seem suitable for Tunçbilek coal

  • interaction mechanism of flocculants with coal waste

    Interaction mechanism of flocculants with coal waste

    2006-02-01· Interaction mechanism of flocculants with coal waste slurry Interaction mechanism of flocculants with coal waste slurry Sabah, E.; Erkan, Z.E. 2006-02-01 00:00:00 Coal tailings are the inevitable by-product of coal mining and preparation plants, and often are problematic in terms of dewatering and solid-liquid separation. The interaction of multi-component fine coal tailings with

  • characterisation of coal washery effluent springerlink

    Characterisation of coal washery effluent SpringerLink

    The huge quantity of effluent generated in coal washing processes contains large amount of suspended and dissolved solids, clay minerals, coal fines and other impurities associated with raw coal. The present system of recirculation of the effluent is found to be ineffective in removing colloidal fines, which is the major part of the impurities

  • modeling and optimization of the flocculation processes

    Modeling and optimization of the flocculation processes

    View This Abstract Online; Modeling and optimization of the flocculation processes for removal of cationic and anionic dyes from water by an amphoteric grafting chitosan-based flocculant using response surface methodology.

  • optimization of freshwater microalgal biomass harvest

    Optimization of freshwater microalgal biomass harvest

    2015-07-10· Although microalgae show a great potential in the biotechnology sector, high production costs have limited industrial applications. Biomass harvest is one of the major bottlenecks in microalgae cultivation due to high energy inputs which are needed to separate the cells from the surrounding media. Chemical flocculation is considered to be a reliable resource to improve cost-effectiveness in

  • flocculants an overview sciencedirect topics

    Flocculants an overview ScienceDirect Topics

    Flocculation efficiency declines in higher salinity media [13, 26, 66], because in such media the molecule of the polymer tends to fold onto itself [65], necessitating a higher dosage. For example, a 100% flocculation efficiency of marine microalgae required a chitosan flocculant dosage

  • modeling and optimization of the flocculation processes

    Modeling and optimization of the flocculation processes

    Modeling and optimization of the flocculation processes for removal of cationic and anionic dyes from water by an amphoteric grafting chitosan-based flocculant using response surface methodology. Wu H(1), Yang R, Li R, Long C, Yang H, Li A.

  • wastewater treatment chemicals--anion flocculant

    Wastewater treatment chemicals--anion flocculant

    TONTEN ® anionic polyacrylamide (APAM) is a water soluble polymer, mainly used for flocculation settlement of various industrial waste water, sedimentation and clarification treatment, such as wastewater from steel mills, wastewater from electroplating factories, metallurgical wastewater, coal washing wastewater, etc. Dehydration of mud and so on.

  • flocculation of coal washing wastewater using

    Flocculation of coal washing wastewater using

    2017-10-10· More importantly, POS412 exhibited satisfactory stability after storage in various conditions. The flocculation rate was more than 91% for coal washing wastewater when POS412 was stored for 264 h in the wide range of pH (3–11) and temperature (20–50 °C) before use. Results indicate that POS412 is a competent bioflocculant for wastewater

  • symmetry free full-text optimization of flocculation

    Symmetry Free Full-Text Optimization of Flocculation

    In order to obtain the optimum parameters of total tailings flocculation settling, an optimization method of total tailings flocculation settling parameters based on the spatial difference algorithm was proposed. Firstly, the input and output factors of the whole tailings flocculation settling parameters are effectively analyzed, and the relevant factors affecting the flocculation settling

  • modeling and optimization of the flocculation processes

    Modeling and optimization of the flocculation processes

    Modeling and optimization of the flocculation processes for removal of cationic and anionic dyes from water by an amphoteric grafting chitosan-based flocculant using response surface methodology

  • flocculation and sedimentation of cane sugar juice

    Flocculation and sedimentation of cane sugar juice

    The results of this work indicate that the copolymers are more effective than the homopolymers to aid flocculation and sedimentation of the cane sugar juice particles, and that the best‐performing polymers are those that act by the bridging mechanism. Addition of increased amounts of anionic flocculant did not confer an improvement

  • polymer flocculation and coagulation for sedimentation

    Polymer flocculation and coagulation for sedimentation

    The required performance can be acheived by either adjusting the pH prior to anionic polyelectrolyte flocculation or using a combination of polymer flocculant and coagulant (dual-polymer system). The dynamic thickening test results showed that only the approach using a dual-polymer system is capable of meeting the required performance. The

  • improvement of the coagulation/flocculation process

    Improvement of the coagulation/flocculation process

    The efficacy of the coagulant +/- anionic polymer was optimal when 30mg L(-1) of MO (hex) was used as a coagulant and 0.1 mg L(-1) of the anionic polymer was used as a flocculant aid, decreasing the time sedimentation from 1 h to 15 min.

  • optimization of surfactant-aided coarse coal dewatering

    Optimization of surfactant-aided coarse coal dewatering

    2019-05-01· Coal is a heterogeneous material consisting of a hydrocarbon matrix with finely disseminated mineral matter. The dewatering characteristics of coal are largely affected by the surface properties such as hydrophobicity, specific surface area, surface roughness, internal moisture, adhering external moisture and pore size distribution .

  • settling characteristics of coal washery tailings using

    Settling characteristics of coal washery tailings using

    rate, the optimization of process parameters such as suspension pH, polymer type and dosage are very important to achieve the desired settling rate and the water clarity values. Various flocculant combinations, viz. cationic, anionic, non-ionic have been used to achieve the highest settling rate with lowest turbidity2–4.

  • flocculation mechanism of coal preparation plant tailings

    Flocculation Mechanism of Coal Preparation Plant Tailings

    Share Flocculation Mechanism of Coal Preparation Plant Tailings with Various Type Polymers. Embed size(px) Link. Share. of 8. Report. All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you. Related Documents

  • optimization of coagulation−flocculation process

    Optimization of Coagulation−Flocculation Process

    The coagulation−flocculation process incorporated with membrane separation technology will become a new approach for palm oil mill effluent (POME) treatment as well as water reclamation and reuse. In our current research, a membrane pilot plant has been used for POME treatment where the coagulation−flocculation process plays an important role as a pretreatment process for the mitigation

  • improvement of the coagulation/flocculation process

    Improvement of the coagulation/flocculation process

    (2014). Improvement of the coagulation/flocculation process using a combination of Moringa oleifera Lam with anionic polymer in water treatment. Environmental

  • high quality of anionic flocculant used for the coal

    High quality of anionic flocculant used for the coal

    At the meantime, APAM series products also have valuable properties like the flocculation, the thickening, the shear property, the drag-reduction and the dispersibility etc., thus widely used in the oil recovery, the mineral processing, the coal washing, the metallurgy, the chemicals, the paper, the textile, the sugar, the medicine, the

  • quartz mill flocculant

    Quartz Mill Flocculant

    Optimization Of Coal Flocculation With An . 2014-5-7optimization of coal flocculation with an anionic flocculant using quartz, calcite, smectite, chlorite and kaolinite were the main mineral optimization of coal flocculation with an anionic flocculant. Read More

  • optimization of the coagulation/flocculation process

    Optimization of the coagulation/flocculation process

    Optimization the pH of the flocculation The measurements on the pH (raw and treated water), the time flocks formation, the floc shape and the clarification and/or the

  • improvement of the coagulation/flocculation process

    Improvement of the coagulation/flocculation process

    The efficacy of the coagulant+anionic polymer was optimal when 30 mg L −1 of MO (hex) was used as a coagulant and 0.1 mg L −1 of the anionic polymer was used as a flocculant aid, decreasing the time sedimentation from 1 h to 15 min.

  • optimization of flocculation process by response

    Optimization of flocculation process by response

    Published online: 17 June 2013 In the original online version of the article ‘Optimization of flocculation process by response surface methodology for diethyl phthalate removal using anionic polyacrylamide’ (DOI: 10.1080/19443994.2013.807476), the author Huaili Zheng’s name was appeared as “Huaili L. Zheng.” This has now been

  • effect of coagulant/flocculant dosage and ph to water

    Effect of coagulant/flocculant dosage and pH to water

    2017-01-12· Effect of coagulant/flocculant dosage and pH to water recovery of black liquor wastewater in bioethanol production from oil palm empty fruit bunch using response surface methodology

  • aggregation mechanism of particles: effect of ca2+

    Aggregation Mechanism of Particles: Effect of Ca2+

    for 3 h. The ash content of the coal sample was 3.74% and its average particle size was 36 m. In order to understand the aggregation mechanisms of coal-coal, illite-illite and coal-illite particles, the coal sample and illite were mixed with deionized water (conductivity 93.1 s/cm) to prepare three

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