Solid Particle Type Temperature-Resistant Salt-Resistant Polyacrylamide for Tannery Wastewater Treatment in Ecuador

May 13, 2021 · The removal of direct yellow 12 dye using clay/polymer nanocomposite in batch system and fixed-bed column experiments was investigated on the basis of numerous parameters. The results showed that the amount of dye adsorbed increased as the contact time of the process increases and the optimal pH value was 4.0. Kinetic model of pseudo-second …

Jun 01, 2021 · (38) act as oxidizing agent in the reaction involving the degradation of the organic pollutants present in different types of water or wastewater. 2.4.1. Application. The application of TiO 2 in combination with UV and H 2 O 2 has been studied for …

Sep 10, 2019 · 1. Introduction. Increase in industrialization and anthropogenic activities has resulted in tremendous increases in the discharge of wastes and wastewater containing organic and inorganic pollutants into the environment [].Wastewaters containing heavy metals are directly or indirectly discharged into the environment, and consequently pose a serious threat to public …

Jun 01, 2015 · psyllium (PP), another member of the Plantago family, for removal of suspended solid (SS) from sewage and tannery wastewater was investigated at the laboratory scale . (PP) is produced commercially in several European countries, the former Soviet Union and India.

Aug 01, 2018 · Maximum dye removal was noted when parameters were calcium oxide particle size was in between 30 and 36 nm, concentration of calcium oxide was 0.12 g, dye concentration is 5.0 mg/100 mL, pH is 12 and temperature is in between 298 and 300 K. Best source of light for this process was visible light (8 W lamps).

The invention discloses a method for treating an animal substrate comprising: agitating the moistened animal substrate with a treatment formulation and a solid particulate material in a sealed apparatus wherein the treatment formulation comprises a tanning agent or a tannery process agent. The method can comprise applying the tanning agent or tannery process agent …

Jan 01, 2022 · Kemwater PAX 14 - Degree of basicityOpen Data Unverified Data. The basicity of Poly aluminum chloride is a relatively important indicator of Poly aluminum, especially for drinking water grade poly aluminum products, this standard is one of the important indicators of Poly aluminum production line control production.

The heavy metal removal is also applicable in dye molecule removal, fluoride removal, nitrates, sulphides, pharmaceuticals, and phenolic compounds from wastewater. 126, 127 Another widely used method for heavy metal removal is electro flotation technique which is solid-liquid separation process where toxic metals are floating on the water ...

Mixed gel electrolytes were fabricated chemically at a temperature range of 2–5°C using some additives comparing with traditional electrolytes (1.26 g/cm 3 H 2 SO 4 ). The polyacrylamide (PAM) content is kept constant (0.2 wt%), while the propylene glycol (PPG) and nano fumed silica (NFS) contents varied.

Physical Treatment General adsorption. Sebastian, Nangia, and Prasad synthesized magnetite nanoparticles for Cd(II) removal from water.The maximum Cd(II) adsorption capacity was 37.03 mg/g at pH 6.0. Wang, Yang, et al. studied the adsorption of Cd(II) onto high-density polyethylene (HDPE) microplastics (MPs) and reported the maximum Cd(II) adsorption capacity of 30.5 μg/g …

May 01, 2021 · Preparation of amphoteric polyacrylamide flocculant and its application in the treatment of tannery wastewater J. Appl. Polym. Sci. , 120 ( 2011 ) , pp. 518 - 523 , 10.1002/app.33175

US4536294A US06/477,908 UA US4536294A US 4536294 A US4536294 A US 4536294A US A U A USA US 4536294 A US4536294 A US 4536294A Authority US United States Prior art keywords acrylamide temperature isopropylacrylamide polymer copolymer Prior art date-23 Legal status (The legal …

Treatment of Textile Wastewater using Chitosan and Chitosan Grafted Acrylamide by Microwave Synthesis. By Norzita Ngadi. Study of polyacrylamide grafted starch based algal flocculation towards applications in algal biomass harvesting. By Sumit Mishra.

Wastewater treatment wastes, such as skimmings or sludges, are processed so as to reduce the water content by approximately two thirds and increase the impurities content thereof. The wastes are passed over a dense supply of very fine bubbles. These fine bubbles assist in floating impurities within the wastes to result in the formation of an upper stratum of gas, residual …

Jan 17, 2011 · Tannery saline wastewater obtained from a Common Effluent Treatment Plant (CETP) near Chennai (southern India) was treated with pure and mixed consortia of four salt tolerant bacterial strains viz., Pseudomonas aeruginosa, Bacillus flexus, Exiguobacterium homiense and Staphylococcus aureus which are isolated from marine and tannery saline ...

Depending on the particle present in wastewater, biopolymers function as a bridge, creating a particle–polymer–particle complex (Bolto & Gregory 2007). Polymer bridging has been proposed as a potential mechanism for flocculation during the treatment of textile effluent with Tamarindus indica mucilage ( Mishra & Bajpai 2006 ) and Plantago ...

Apr 02, 2020 · In the face of water shortages, the world seeks to explore all available options in reducing the over exploitation of limited freshwater resources. One of the surest available water resources is wastewater. As the population grows, industrial, agricultural, and domestic activities increase accordingly in order to cater for the voluminous needs of man.

US7875180B2 US11/547,693 UA US7875180B2 US 7875180 B2 US7875180 B2 US 7875180B2 US A U A USA US 7875180 B2 US7875180 B2 US 7875180B2 Authority US United States Prior art keywords wastewater saltwater freshwater salinity biological treatment Prior art date-07 Legal status (The legal status is an …

Apr 09, 2021 · Lau [7] evaluated three types of commercial ultrafiltration membranes [UF PVDF100 (MWCO 100 kDa), UF PES30 (MWCO 30 kDa) and NF270] for the treatment of carwash wastewater effluent with respect to permeate flux, rejection of conductivity, total dissolved solid, chemical oxygen demand and turbidity.

Jul 10, 2017 · During the last few years, environmental sector has shown a largely growing interest in the treatment of different types of wastewater by electrocoagulation (EC). It has recently attracted attention as a potential technique for treating industrial effluent due to its versatility, treatment efficiency, low cost, and environmental compatibility. This technique uses …

Aug 31, 2021 · Electrodialysis (ED) is a membrane technology with many applications, such as water desalination, wastewater treatment and salt production. Additionally, utilizing the bacterial nanocellulose obtained from the shell of Musa spp, filters composed of catalytic membranes can be elaborated [109,110]. Banana peel has been proven to be an excellent ...

The biological synthesis of nanoparticles is emerging as a potential method for nanoparticle synthesis due to its non-toxicity and simplicity. In the present study, a bacterium resistant to heavy metals was isolated from a metal-contaminated site and we aimed to report the synthesis of Fe3O4 nanoparticles via co-precipitation using bacterial exopolysaccharides (EPS) derived …

Feb 04, 2021 · The heavy metal removal is also applicable in dye molecule removal, fluoride removal, nitrates, sulphides, pharmaceuticals, and phenolic compounds from wastewater. 126, 127 Another widely used method for heavy metal removal is electro flotation technique which is solid-liquid separation process where toxic metals are floating on the water ...

Jan 05, 2018 · Inorganic membranes have the advantage of resisting harsh chemical cleaning, high temperature and wear resistance, high chemical stability, long lifetime, and autoclavable. All of these outstanding properties made inorganic membranes good candidates to be used for water treatment and desalination applications.