- Classification: chemical auxiliary agent
- Appearance: off white granular powder
- CAS No.:9003-05-7156
- Type: cationic,nonionic
- Formula: (C3h5no)N
- Solid Content: ≥88.5%
- Application:industrial waste water treatment
- Transport Package: 25kg/bag
- Delivery: 15day
fluorocarbon-hydrocarbon hybrid cationic surfactants
the above results show the fluorocarbon chain length dictates the performance of the hybrid surfactants, and although with a fluorocarbon chain only two cf 2 longer, f6h6 as a hybrid surfactant in the considered aspects performed much better than f4h6, for example, in γ min value (18.22 vs. 22.07 mn/m).
best practices guidance for the use of anionic polyacrylamide,pam aids solid-liquid separation by causing suspended particles to bind and form larger aggregates. the process is known as polymer bridging. one of the most common polymer flocculants on the market. common uses of pam as a flocculant: reduction of sediment and nutrient loads to natural lakes and ponds.
synthesis and application of cationic fluorocarbon surfactants
in addition, these fluorinated surfactants exhibited excellent wetting and emulsification properties at very low concentrations of 0.1 wt%. in addition the cationic polyurethane fluorinated surfactants are compounded into aqueous film-forming foam extinguishing agents, which exhibit excellent fire extinguishing properties.
strong synergistic effect of cationic hydrocarbon surfactant,abstract mixing hydrocarbon surfactants with fluorocarbon surfactants is still an important strategy to improve the economic benefits and performances of fluorocarbon surfactants and expand their range of application. herein, we prepared a novel kind of hydrocarbon-fluorocarbon surfactant mixtures via mixing a cationic surfactant, cetyltrimethylammonium bromide (ctab), with a tri-block
fluorinated surfactants: a review on recent progress cost
even though surfactants can be fine-tuned to serve the intended eor purposes, literature studies have demonstrated that many surfactants like anionic and cationic surfactants were incompatible and thermally unstable at reservoir conditions [93], whereas, fluorinated amphoteric surfactants have indeed displayed excellent thermal stability
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strong synergistic effect of cationic hydrocarbon surfactant
mances of fluorocarbon surfactants and reduce their high cost by mixing cheap hydrocarbon surfactants with fluorocarbon surfactants [20–22]. some efforts have been made in recent years to achieve the above objectives. for instance, wang et al. prepared a kind of fluorocarbon surfactant mixtures with good surface activity by mixing sodium
effect of trace amounts of polyacrylamide (pam) on long-term.however, high level of pam (1mg/l) led to the formation of large amounts of loose-structure flocs, which eliminated dissolved oxygen transfer and caused the sludge disintegration, resulting in bad settleability and lower microbial activity. in this way, when the dosage of pam was 0.1mg/l, the sludge had the best settling polyacrylamide flocculant and activity.
fluorocarbon-hydrocarbon hybrid cationic surfactants
in this work, starting from the viewpoint of synergistic role of molecular constitutional parts, two fluorocarbon-hydrocarbon hybrid cationic surfactants (f4h6 and f6h6) were designed, using perfluorobutylsulfonyl or perfluorohexylsulphonyl and hexyl as the hydrophobic tails, connected. credit authorship contribution statement
polyacrylamide,polyacrylamide (abbreviated as pam or paam) is a polymer with the formula (-ch 2 chconh 2 -). it has a linear-chain structure. pam is highly water-absorbent, forming a soft gel when hydrated. in 2008, an estimated 750,000,000 kg were produced, mainly for water treatment and the paper and mineral industries. [1]
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polyacrylamide pam flocculant for water treatment cost,polyacrylamide pam powder. cas no.: 9003-05-8. hs code: . appearance: white powder. ionic type: anionic, cationic, nonionic. package: net 25kg / Chemicals Polyacrylamide with inner plastic bag. description: according to ionic characteristics, it can be divided into four types, non-ionic polyacrylamide npam, anionic polyacrylamide apam, cationic
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polyacrylamide can also quickly miscible with non-ionic, cationic and anionic surfactants, though with certain surfactants affecting the viscosity. viscosity: the viscosity of polyacrylamide solution has a linear correlation with its molecular weight; in addition, the higher the temperature, the lower the viscosity.
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the effect of cations on the activity of anionic
flocculant type (anionic, cationic, and nonionic polyacrylamide), their dosage (10–90 g/t), ph (1–12.5), solid content (5–23%), and for the first-time residual flocculant dosage in the
- What is coagulation flocculation?
- Coagulation and flocculation are an essential part of raw water treatment as well as wastewater treatment. Coagulants are used in the pre-treatment stage to reduce the turbidity of inlet raw water so as to make it easier to treat further before its use in any industry or for municipal supply.
- What are coagulants flocculants in wastewater treatment?
- In wastewater treatment, coagulants and flocculants chemically enhance primary treatment to reduce suspended solids and organic loads from primary clarifiers. This stage combined with secondary treatment helps in achieving treated water quality that is easier to reuse or to meet discharge norms with minimal further treatment.
- What are coagulation chemicals used for?
- Flocculation and coagulation treatment chemicals are used in effluent wastewater water treatment processes for solids removal, water clarification, lime softening, sludge thickening, and solids dewatering. Coagulants in water treatment are chemicals that are used to remove suspended solids from water.
- What are flocculants used for?
- Flocculants are the substances used to encourage the process of creating flocs. Both flocculation and coagulation treatment chemicals are used in effluent wastewater water treatment processes for solids removal, water clarification, lime softening, sludge thickening, and solids dewatering. How do flocculation chemicals work?