• progress and research of organic polymeric flocculant

    Progress and Research of Organic Polymeric Flocculant

    coagulation and sedimentation method is an effective water treatment method, and the key factor is the choice of flocculant, according to its different chemical composition, it is generally divided into inorganic, organic, microbial flocculants. Because of the small dosage ,fast flocculation and less effect by external environment,organic polymeric flocculant has widely used in wastewater

  • progress and research of organic polymeric flocculant

    Progress and Research of Organic Polymeric Flocculant

    Download Citation Progress and Research of Organic Polymeric Flocculant in Water Treatment coagulation and sedimentation method is an effective water treatment method, and the key factor is

  • research progress of organic polymer flocculants--

    Research Progress of Organic Polymer Flocculants--

    Research Progress of Organic Polymer Flocculants REN Zhao LI Rui-li(School of Chemistry & Environmental Science of Shaanxi University of Technology,Hanzhong Shaanxi,723001) The organic polymer flocculants flocculation mechanism were reviewed,the latest research in the application of sewage treatment and the development tendency in the future was discussed.

  • progress in application and research of organic polymeric

    Progress in Application and Research of Organic Polymeric

    Flocculation is an effective way for water treatment,of which selection of flocculants is a key factor.Flocculants can be classified into three sorts,i.e.,inorganic flocculants,organic flocculants and microbial flocculants according to their different chemical composition.The organic polymeric flocculants are widely used for their advantages such as small dosage,fast flocculation and good

  • (pdf) polymeric flocculants for wastewater and industrial

    (PDF) Polymeric flocculants for wastewater and industrial

    Polymeric flocculants for wastewater and industrial effluent treatment . Article (PDF Available) · January 2009 with 3,086 Reads How we measure 'reads' A 'read' is counted each time someone views

  • polymer flocculants scientific.net

    Polymer Flocculants scientific.net

    Progress and Research of Organic Polymeric Flocculant in Water Treatment Authors: Yong Zhan, Yu Wang, Bin Dong Abstract: coagulation and sedimentation method is an effective water treatment method, and the key factor is the choice of flocculant, according to its different chemical composition, it is generally divided into inorganic, organic, microbial flocculants.

  • implications for public health demands alternatives to

    Implications for public health demands alternatives to

    Recently, inorganic polymeric flocculants such as ferric polysilicates have been discovered, although they have a lower molecular weight and flocculating efficiency compared to organic polymeric flocculants (Shi and Tang 2006; Moussas and Zouboulis 2008).

  • flocculants—an ecofriendly approach

    Flocculants—an Ecofriendly Approach

    ral polymers like starch, cellulose, natural gums and mucilages and their derivatives etc. Among the organic flocculants each has got certain advantages over another as follows: Organic flocculants can be further characterized depending upon the nature of monomer present in a poly-mer. If a monomer in a polymer contains ionizable groups

  • flocculants and coagulants chemtreat, inc.

    Flocculants and Coagulants ChemTreat, Inc.

    Flocculants gather the destabilized particles together and cause them to agglomerate and drop out of solution. Examples of ChemTreat flocculants include low-, medium-, and high-molecular weight polymers. Discover how ChemTreat’s water treatment coagulants and flocculants achieve optimal effluent results: Organic Coagulants. For certain water sources, organic coagulation is more

  • research progress of natural polymers in wastewater

    Research Progress of Natural Polymers in Wastewater

    This paper aims to provide the present research progress of natural polymers in environmental engineering, including the striking characteristics and modification methods of the most well-known natural polymers, as well as their applications in environmental protection field. Concluding remarks and future trends are also pointed out.

  • organic polymeric floeeulants scientific.net

    Organic Polymeric Floeeulants Scientific.Net

    Progress and Research of Organic Polymeric Flocculant in Water Treatment Authors: Yong Zhan, Yu Wang, Bin Dong Abstract: coagulation and sedimentation method is an effective water treatment method, and the key factor is the choice of flocculant, according to its different chemical composition, it is generally divided into inorganic, organic, microbial flocculants.

  • the research progress of flocculants in sewage sludge

    The Research Progress of Flocculants in Sewage Sludge

    The synthetic organic polymer flocculants usually have good results but also have harmful effects on environment. The natural modification polymer flocculants and microbial flocculants have small adverse impact on environment with good effect in sludge dewatering and their application will be more and more widely with the development to the depth.

  • progress in the research of composite

    PROGRESS IN THE RESEARCH OF COMPOSITE

    Composite polymeric flocculants are new types of high-efficiency chemicals for water and wastewater treatment,which have attracted increasing attention recently in water and wastewater treatment.This paper reviews the advances during the last decade in the research and development of composite inorganic polymeric flocculants,composite inorganic-organic polymeric flocculants and composite

  • research on a novel amphoteric polymeric flocculant

    Research on a Novel Amphoteric Polymeric Flocculant

    The effect of a novel amphoteric polymeric flocculant, p (DMC/NVP/FA), was investigated in processing dyeing wastewater. The optimum for flocculant dosage was 55mg/L, and one for pH was 5. Under the optimum conditions, the intrinsic viscosity of flocculant and the removal rates of CODcr and chroma reached the top (274.425dL/g, 80.1%, 92.6% ) .

  • polymeric branched flocculant effect on the flocculation

    Polymeric Branched Flocculant Effect on the Flocculation

    This paper presents the effect of the structure of cationic polyacrylamides (CPAMs) on flocculation of pulp suspensions and floc properties. A focused beam reflectance measurement (FBRM) probe was used to monitor flocculation, deflocculation, and reflocculation processes in real time. To carry out the study, 1% elemental chlorine free (ECF) eucalyptus kraft pulp containing 20% ground calcium

  • progress of organic polymer flocculant applied to

    Progress of organic polymer flocculant applied to

    This paper briefly introduces the character and present treatment of dyeing wastewater. The synthetic way and chemical modifing methods of synthetic organic polymeric flocculant and its application to dyeing wastewater treatment are especially reviewed, inducing the mechanism of flocculation. This paper also reviews the progress of research and application of natural polymetic flocculant

  • soluble organic polymers in water and wastewater

    Soluble Organic Polymers in Water and Wastewater

    Organic polymeric flocculants have been used in water purification processes for several decades as coagulant aids or floc builders, after the addition of inorganic coagulants like alum, iron salts or lime. The application of polymers as primary coagulants in cleaning up low quality natural waters for drinking water production by direct filtration and in weighted flocculation is discussed. For

  • a novel hyperbranched polymeric flocculant for waste

    A Novel Hyperbranched Polymeric Flocculant for Waste

    A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

  • progress in organic coatings journal elsevier

    Progress in Organic Coatings Journal Elsevier

    The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and...

  • a review on chitosan-based flocculants and their

    A review on chitosan-based flocculants and their

    The effects of the molecular structural factors of chitosan-based flocculants on the final flocculation efficiency in target wastewaters containing inorganic, organic, and bacterial pollutants are described in this section. However, field operation data are limited, especially for modified chitosan flocculants.

  • a review on chitosan-based flocculants and their

    A review on chitosan-based flocculants and their

    The effects of the molecular structural factors of chitosan-based flocculants on the final flocculation efficiency in target wastewaters containing inorganic, organic, and bacterial pollutants are described in this section. However, field operation data are limited, especially for modified chitosan flocculants.

  • flocculation–dewatering behavior of microalgae

    Flocculation–Dewatering Behavior of Microalgae

    An algal bloom is a naturally occurring phenomenon in freshwaters due to discharge of wastewater containing nitrogen and phosphate. Coagulation-flocculation was widely used in removal of cyanobacteria and algae organic matter (AOM) from water. Microalgae and AOM differ greatly in physiochemical properties at different growth stages, which are likely to have important effects on their

  • the research progress of flocculants in sewage core

    The Research Progress of Flocculants in Sewage CORE

    The single use of inorganic flocculants will increase the weight of the filtered mud cake and the results are generally not good. The synthetic organic polymer flocculants usually have good results but also have harmful effects on environment. The natural modification polymer flocculants and microbial flocculants have small adverse impact on

  • international journal of advancements in research

    International Journal of Advancements in Research

    world, research is focused on wastewater treatment using organic polymers with applications on contaminants [15]. Present research emphasized on the effective reduction of toxic pollutants from industrial wastewaters by utilizing cost effective agricultural waste cotton stalks as advanced natural polymeric flocculant. In other words, CMC is the

  • a review on chemical mechanism of microalgae

    A review on chemical mechanism of microalgae

    2019-01-04· In this review chemical reactions involved in the flocculation of microalage biomass via various certain principal organic polymers are focused. Besides, it focuses on natural biopolymers as flocculants to harvest the cultivated microalgae. Commercially, bio-flocculation is suitable and cost-effective in the midst of a range of adopted

  • a review on development and application of plant-based bio

    A review on development and application of plant-based bio

    provide a clear and comprehensive conspectus about the research progress in developing plant-based bio-flocculants and grafted bio-flocculants, the current challenges and future perspectives, and the potential application of plant-based bio-flocculants in diverse industries. 2. Plant-based bio-flocculants

  • a review on chemical mechanism of microalgae

    A review on chemical mechanism of microalgae

    It is considered energy as well as cost-intensive in view of the fact that the dewatering process during harvesting. In this review chemical reactions involved in the flocculation of microalage biomass via various certain principal organic polymers are focused. Besides, it focuses on natural biopolymers as flocculants to harvest the cultivated

  • improvement of wastewater sludge dewatering properties

    Improvement of wastewater sludge dewatering properties

    Chemical conditioning is an indispensable step in sludge treatment for dewatering performance enhancement. Organic flocculants were always used in low-pressure dewatering process and inorganic coagulants were always used in high-pressure dewatering process. In this study, the effects of PAC, and PASiC of different Al/Si ratio (PASiCs) on sludge

  • chitosan for coagulation/flocculation processes

    Chitosan for coagulation/flocculation processes

    Technological progress in polymer chemistry has also improved flocculant technology to provide organic polymers and polyelectrolytes with greater purification efficiency,, .Commercial organic flocculants are basically of two types: synthetic materials based on various monomers (acrylamide, acrylic acid, diallyldimethylammonium chloride, etc.) and natural organic materials based on

  • dewatering oil sands tailings with degradable polymer

    Dewatering Oil Sands Tailings with Degradable Polymer

    We synthesized hydrolytically degradable cationic polymers by micellar radical polymerization of a short-chain polyester macromonomer, polycaprolactone choline iodide ester methacrylate (PCL2ChMA) with two polyester units, and used them to flocculate oil sands mature fine tailings (MFT). We evaluated the flocculation performance of the homopolymer and copolymers with 30 mol % acrylamide (AM

  • preparation of a graft modified flocculant based

    Preparation of a graft modified flocculant based

    Due to the continuous breakthrough and progress in the research of natural polymer materials, the use of natural polymer materials as modified raw materials to prepare safe and reliable organic polymer flocculants has shown great vitality [,,].

  • flocculation

    Flocculation

    Positively charged flocculants work better than negatively charged ones since the cells are generally negatively charged. Cheese industry. Flocculation is widely employed to measure the progress of curd formation in the initial stages of cheese making to determine how long the curds must set.

  • advanced polymer flocculants for solid–liquid separation

    Advanced Polymer Flocculants for Solid–Liquid Separation

    5 Graft Polymer Flocculants. Unlike branched polymers, graft polymers do not essentially require the synthesis of building blocks to form a multifunctional flocculant. Often, the purpose of graft polymers, in the context of flocculants, is to have two functionalities (backbone and graft) in the same polymer and to modify the rheology in

  • polymeric branched flocculant effect on the flocculation

    Polymeric Branched Flocculant Effect on the Flocculation

    This paper presents the effect of the structure of cationic polyacrylamides (CPAMs) on flocculation of pulp suspensions and floc properties. A focused beam reflectance measurement (FBRM) probe was used to monitor flocculation, deflocculation, and reflocculation processes in real time. To carry out the study, 1% elemental chlorine free (ECF) eucalyptus kraft pulp containing 20% ground calcium

  • progress in polymer science journal elsevier

    Progress in Polymer Science Journal Elsevier

    Progress in Polymer Science publishes state-of-the-art overview articles by internationally recognized authorities in polymer science and engineering, one of the fastest growing disciplines. The journal provides a link between original articles, innovations published in patents, and up-to-date knowledge of technology. It publishes review

  • 有机聚合物絮凝剂,organic polymer flocculant,音标,读音,翻译,英

    有机聚合物絮凝剂,organic polymer flocculant,音标,读音,翻译,英

    This paper reviewed the research progress of inorganic flocculants, organic flocculants and microbial flocculants. 介绍了无机絮凝剂、有机絮凝剂、微生物絮凝剂的研究及在造纸废水处理等领域中的应用情况,并分析、展望了其发展趋势。

  • recent progress on graft polymerization of natural

    Recent Progress on Graft Polymerization of Natural

    Natural polymer flocculants (NPF) and their derivatives as the eco-friendly, nontoxic and biodegradable materials have attracted significant attention in water treatment. The graft polymerization of NPF and its synthesis mechanisms that have been proposed in the literature are mainly reviewed in this paper. Initiation system is the key factor in the modification of NPF and it influences the

  • synthesis and flocculation characteristics of cationic

    Synthesis and flocculation characteristics of cationic

    A novel organic polymeric flocculant was synthesized by grafting cationic etherifying monomer (3-chloro-2-hydroxypropyl) trimethyl ammonium chloride (CHPTAC) onto the backbone of corncob powder (CP,F≤ 30mm). The synthetic reaction between CP and CHPTAC wa...

  • dewatering oil sands tailings with degradable polymer

    Dewatering Oil Sands Tailings with Degradable Polymer

    We synthesized hydrolytically degradable cationic polymers by micellar radical polymerization of a short-chain polyester macromonomer, polycaprolactone choline iodide ester methacrylate (PCL2ChMA) with two polyester units, and used them to flocculate oil sands mature fine tailings (MFT). We evaluated the flocculation performance of the homopolymer and copolymers with 30 mol % acrylamide (AM

  • global coagulants & flocculants market overview 2019

    Global Coagulants & Flocculants Market Overview 2019

    2019-02-06· Global Coagulants & Flocculants Market Overview 2019: Water & Wastewater Treatment & Demand from Oil & Gas Drives the Market to Reach $14.7 Billion by 2024

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