flocculant Articles
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Effect of flocculant on microbial populations and function in Chem-Bioflocculation (CBF) treatment process using PCR-DGGE
The group-specific primers were applied to investigate microbial communities in Chem-Bioflocculation (CBF) reactor by PCR-DGGE method. α-proteobacteria, β-proteobacteria, actinomycetes and acidobacterium, were analysed by using diversity index at different dosage of Polyaluminium Ferric Chloride (PAFC) based on DGGE patterns. Clustering analysis showed that community structure of specific ...
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Valorization of the Vicia faba mucilage on textile wastewater treatment as a bio-flocculant: process development and optimization using response surface methodology (RSM)
The Vicia faba membranes are an abundant and a low cost product. In the present research paper, the extracted Vicia faba mucilage was tested as an eco-friendly flocculant for textile wastewater treatment. Its performance as flocculant, in decolorization, chemical oxygen demand (COD) removal and the concentration of total suspended solids was checked. The natural extracted product was ...
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The flocculation mechanism and treatment of oily wastewater by flocculation
In the present study, the performance of compound flocculants composed of different concentrations of polyaluminum chloride (PAC) and cationic polyacrylamide (CPAM), the influencing mechanism of the flocculation process and the effects of temperature, settling time, and speed and time of stirring were investigated. The results show that the poor water quality with high concentrations of oil, ...
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Cactus juice as bioflocculant in the coagulation–flocculation process for industrial wastewater treatment: a comparative study with polyacrylamide
Most industries in the world treat their wastewaters with a conventional coagulation–flocculation process using alum as coagulant, polyacrylamide (PAM) as flocculant and lime as coagulant aid. To reduce the use of chemical products in the process, experiments were conducted to substitute the PAM with cactus juice (CJ) as flocculant. From the obtained data, it was concluded that the ...
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Use of flocculants for increasing permeate flux in anaerobic membrane bioreactors
Biomass retention, required for high rate anaerobic wastewater treatment, can be accomplished coupling an anaerobic bioreactor with membrane filtration. However, low flux seems to be a common factor when operating anaerobic membrane bioreactors (AnMBRs). Modification of biomass properties may represent a strategy for improving membrane flux. The addition of flocculants was tested as a tool for ...
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Pilot study of oilfield wastewater treatment by micro-flocculation filtration process
In order to meet the latest Environmental Protection Law of China on wastewater discharge standards, this paper studied a pilot-scale micro-flocculation filtration pretreatment process for the treatment of oilfield wastewater. The experiment showed that the removal rate of oil and suspended solids (SS) respectively increased from 91.52% to 95.38% and from 66.42% to 97.19%. After the treatment ...
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Water and Wastewater Treatment Chemicals: World Market Report
Provides continually updated analyses and forecasts for 11 product categories including activated carbon, chelates corrosion inhibitors, defoamers, ion exchange resins, inorganic flocculants, organic flocculants, oxidizers and biocides, pH adjustors, and scale inhibitors in 80 ...
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Ozone effects on algae flocculation kinetics
Experimental Design Flocculation kinetic experiments were used to measure the effect of ozone on algal particle stability by determining alpha values. Singer and Chang (1989) used this approach in their studies of the effect of ozone as an aid to coagulation. Experiments were conducted in which algae were added at a known (measured) cell number concentration. Over time, the algal suspension was ...
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Pilot-scale fluoride-containing wastewater treatment by the ballasted flocculation process
A pilot-scale ballasted flocculation system was used to remove fluoride from one type of industrial wastewater. The system included the formation of calcium fluoride (CaF2) using calcium hydroxide followed by coagulation sedimentation. Calcium fluoride was recycled as nuclei for enhancing CaF2 precipitation and as a ballasting agent for improving fluoride removal and flocculation efficiency. ...
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Color removal from industrial wastewater with a novel coagulant flocculant formulation
Abstract: Chemically enhanced wastewater treatment is attracting substantial interest among the currently employed chemical unit processes in wastewater treatment. Coagulation-flocculation has received considerable attention for yielding high pollutant removal, especially color removal. This investigation presents a novel formulation of coagulation-flocculation for color removal from industrial ...
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Flotation in water and wastewater treatment and reuse: recent trends in Brazil
This paper summarises environmental applications of conventional and unconventional flotation to remove pollutants from waters. Emphasis is given to the design features of innovative inline reactors, namely the Flocs Generator Reactor and Flocculation-Flotation, and their applications for the flocculation and flotation in solid-liquid separations involving water (and wastewater) treatment and ...
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Removing hexavalent chrome one floccule at a time - RM-10 solves problem at metal fabricating plant
CETCO Oilfield Services RM-10 flocculant has been successful in the removal of hexavalent chrome from a metal fabricating plant’s vibratory water, allowing for its safe release. The metal fabricating plant generates between 400 and 800 gallons of vibratory water per week, containing soap and suspended solids. Prior to using RM-10, the plant was unable to directly discharge its process water ...
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Optimisation of bioflocculant production by a biofilm forming microorganism from poultry slaughterhouse wastewater for use in poultry wastewater treatment
Poultry slaughterhouse wastewater contains nutrients that are sufficient for microbial growth; moreover, the wastewater has microorganisms which can be harnessed to perform specific functions. Additionally, these microorganisms can grow either in planktonic (free floating) mode or sessile (attached) mode. This study focused on the optimisation of bioflocculant production by quantifying ...
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Reduction dye in paint and construction chemicals wastewater by improved coagulation–flocculation process
A coagulation–flocculation process was applied to wastewater of paint and construction chemicals producing factory in Turkey. Ferric chloride was used as coagulant and several natural based materials, namely limestone, pumice, sepiolite, bentonite and mussel shell were used as flocculant aids. The effects of dosage of flocculant aids on the pH, color and electrical conductivity of wastewater ...
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What is Zeoturb Bio-Organic Liquid Flocculant Treatment?
In most standard water treatment systems, there is a flocculation process that is used to reduce the concentrations of solids within the effluent stream. This particular process makes use of substances that aid in the clumping together of suspended particles. There are several different substances that have been used for decades, but research continues looking for more. Ideally, newer flocculants ...
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What is Sustainable Flocculation and What are Sustainable Flocculants?
What is Sustainable Flocculation? In most standard drinking water and wastewater treatment systems, there is a flocculation process that is used to reduce the concentrations of solids within the effluent stream. This particular process makes use of substances that aid in the clumping together of suspended particles among other contaminants in a clarifier system. Sustainable flocculation ...
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Sequential treatment of an old-landfill leachate
This work investigates the performance of combined techniques applied to the treatment of an old-landfill leachate, which presents high salinity, low biodegradability (BOD5/COD around 0.05) and high ammonia concentration. Three sequences of processes were employed, including coagulation/flocculation, chemical oxidation, biological treatment and ammonia stripping. The association of ...
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How to Make Wastewater Treatment Flocculation Sustainable, Non Toxic, and Efficient
If you manage a water treatment plant or consult those who do, you know wastewater treatment flocculation is essential to delivering clean, safe, and reliable water. Following coagulation water treatment, flocculation encourages small, suspended particles in water to clump together into flocs, making them easy to be removed by post filtration. However, although flocculation helps remove ...
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Combination of microalgae cultivation with membrane processes for the treatment of municipal wastewater
The treatment of wastewater by microalgae cultivation has attracted more and more attention. However, the way to harvest microalgae cells from the wastewater and the treatment of the large quantity of residual solution have become critical issues. In this work, a new approach for the treatment of municipal wastewater is presented. The combination of flocculation for removing mainly microalgae ...
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Ball Bearing Manufacturer
Integrated Engineers, Inc. conducted the below treatability on a Ball Bearing manufacturing facility that uses soluble machine coolants and cutting fluids in their machining process; below are the results. Untreated Parameters:pH = 8.4Conductivity = 1,385 microSiemens (uS) The treatment required no pH adjustment from the 8.4 pH. The best product was treated with 0.31 grams of Floccin-H ...
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