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Effect of Particle Size on Chromium (III) and Manganese ...

MANGANESE (IV) REMOVAL FROM A TANNERY WASTEWATER Onyi Mathias Lawrence (Former undergraduate student) Department of Chemistry, Benue State University, Makurdi, Nigeria. Abstract The removal of chromium (III) and manganese (IV) from a tannery wastewater was evaluated using atomic absorption spectrophotometer (AAS).

Treatment of tannery wastewater using hybrid upflow ...

Jul 04, 2007· In India, and in the State of Tamilnadu, tanning is a small-scale industry. During the tanning process, a huge volume of wastewater is generated and in most cases it pollutes the environment. In the present study, an attempt has been made to treat the tannery wastewater by using hybrid upflow anaerobic sludge blanket (hybrid UASB) reactors that offer the advantages of both fixed film and ...

Phytotoxicity, cytotoxicity and genotoxicity evaluation of ...

Tannery wastewater rich in organic and inorganic pollutants. • Tannery wastewater possesses genotoxic and cytotoxic pollutants. • Phytotoxic nature of tannery wastewater was evaluated by Vigna radiata seeds.. Allium cepa chromosomal tests revealed genotoxic nature of treated tannery wastewater.. Wastewater also induced chromosomal aberrations and nuclear abnormalities in cells.

Biological Treatment of Tannery Wastewater Using Activated ...

Biological Treatment of Tannery Wastewater Using Activated Sludge Process S. Haydar1, J. A. Aziz2 and M. S. Ahmad3 1 Associate Professor, Institute of Environment Engineering and Research, UET Lahore. 2 Professor of Environmental Engineering IEER UET Lahore. 3 Individual Consultant, Southern Punjab Basic Urban Services Project. Abstract

Tannery wastewater characterization and toxicity effects ...

Jan 21, 2003· Abstract. Tannery wastewater contains large quantities of organic and inorganic compounds, including toxic substances such as sulfides and chromium salts. The evaluation of wastewater quality in Chile nowadays is based on chemical specific measurements and toxicity tests.

Anaerobic digestion treatment of Tannery waste water ...

Abstract: In this article an attempt is made to study the highly complex and is characterized by high content of organic, inorganic and chromium, suspended solids and dissolved solids present in Tannery waste water. Treatment of tannery waste water is carried out by physical, chemical, biological or the combination of these methods.

Biological treatment of tannery wastewater by using salt ...

Apr 29, 2008· High salinity (1–10% w/v) of tannery wastewater makes it difficult to be treated by conventional biological treatment. Salt tolerant microbes can adapt to these saline conditions and degrade the organics in saline wastewater. Four salt tolerant bacterial strains isolated from marine and tannery saline wastewater samples were identified as Pseudomonas aeruginosa, Bacillus flexus ...

Toxicity and Bioremediation of Heavy Metals Contaminated ...

The discharge of untreated tannery wastewater containing biotoxic substances of heavy metals in the ecosystem is one of the most important environmental and health challenges in our society. Hence, there is a growing need for the development of novel, efficient, eco-friendly, and cost-effective approach for the remediation of inorganic metals (Cr, Hg, Cd, and Pb) released into the environment ...

TREATMENT OF TANNING WASTEWATER WITH

ABSTRACT This work, aimed at studying treatment of waste water from leather industries to determine the removal and reducing of pollutants by using nanomaterials. Tannery waste water was treated with photocatalysis process involved titanium dioxide, zinc sulphide, cadminum sulphide in core shell nanocomposite materials.

The Effects of Tannery Wastewater on the ... - SpringerLink

Jan 24, 2008· Abstract. Toxicity tests were performed to assess the effect of tannery wastewater with different treatment levels on two wetland plants, Phragmites australis and Typha latifolia, which are frequently used in constructed wetlands (CWs) for water treatment, and thus deepen the knowledge on their capacity to withstand the application of industrial wastewater.

Tannery Wastewater - scientific.net

Abstract: Using mixed flocculation and extraction method to recover the lanolin from Tannery Wastewater, and studied the process research. The result indicated that the recovery rate of lanolin can reached 92% by using aluminium sulfate (AS) and the polyacrylamide (PAM) mixed flocculation, hexane and cyclohexane mixed extraction.

Electrochemical oxidation of tannery wastewater - Rao ...

Abstract. Tannery wastewater was treated by an electrochemical oxidation method using Ti/Pt, Ti/PbO 2 and Ti/MnO 2 anodes and a Ti cathode in a two‐electrode stirred batch reactor. The changes in colour concentration, chemical oxygen demand ...

Tannery Waste Water Treatment: A Review - ResearchGate

Tannery Waste Water Treatment: A Review. ... characteristics of tannery wastewater and methods tannery wastewater treatment have been discussed. ... suspended solids and dissolved solids present ...

Removal of hexavalent chromium in tannery wastewater by ...

Jan 01, 2012· Abstract. Bacillus cereus was used to remove chromium (Cr(VI)) from medium containing tannery wastewater under different conditions. The maximum rate of Cr(VI) removal was attained at a temperature of 37 °C, pH of 7.0–9.0, and biomass of 20 g/L …

Metagenomic insight of nitrogen metabolism in a tannery ...

Thus, metagenomic analysis was able to identify the dominant taxa responsible for dissimilatory N metabolisms in the tannery wastewater treatment system undergoing bioaugmentation. This metagenomic insight into the nitrogen metabolism will contribute to a successful monitoring and operation of the eco-friendly tannery wastewater treatment system.

StudieS on treatment of WaSteWater from tannerieS

key words : Waste water treatment and reuse, Reverse osmosis, Tannery wastewater (Received 15 November 2011; accepted 15 January 2012) aBStraCt due to the high conductivity of the global wastewaters from a tannery industries, wastewater reuse is only possible if reverse osmosis process is implemented in the wastewater treatment. the supernatant

(PDF) Biological Treatment of Tannery Wastewater - A Review

Biological Treatment of Tannery Wastewater - A Review. Article (PDF Available) ... [Show full abstract] bodies is also included. The global trends concerning development of biotechnology in the ...

Treatment of Tannery Wastewater Using Natural Coagulants ...

A. TREATMENT OF TANNERY WASTEWATER WITH NATURAL COAGULANTS: 1) Treatment of Tannery Wastewater using Cicer aretinum (NC1) The effluent from tannery wastewater was treated with Cicer aretinum seed powder with optimum dosage of 0.1gm/500ml at optimum pH=5.5 for the reduction of turbidity and COD.

Biological Treatment of Tannery Wastewater Using Activated ...

Abstract. A study was conducted to evaluate the feasibility of Activated Sludge Process (ASP) for the treatment of tannery wastewater and to develop a simple design criteria under local conditions. A bench scale model comprising of an aeration tank and final clarifier was used for this purpose. The model was operated continuously for 267 days.

Tannery Waste Water Treatment: A Review | International ...

Nov 18, 2014· A number of researchers worked on the removal of sulphide and chromium from the wastewater streams, but little has been reported on the sulphide, chrome and other toxic components removal from the tannery wastewater. In this review, characteristics of tannery wastewater and methods tannery wastewater treatment have been discussed.

Potential of Spent Tea Leaves as Adsorbent for Treatment ...

Potential of Spent Tea Leaves as Adsorbent for Treatment of Tannery Wastewater Abstract: Spent Tea Leaves, a natural adsorbent, have been successfully used for the treatment of tannery wastewater. Characterization of spent tea leaves was carried out made by Thermogravimetric analysis (TGA), Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscopy (SEM).

Evaluation and Characterization of Tannery Wastewater

Abstract — The leather ... tannery wastewater from different tanning processes gave a number of conclusions. The results indicate that the wastewaters from the tanneries do not satisfy the legal ranges of selected parameters discharge to inland water and to sewer. Index ...

Sedimentation of tannery wastewater - ScienceDirect

May 01, 2000· Abstract. Tannery wastewater is a powerful pollutant. It can cause severe environmental problems related to its high chemical oxygen demand (COD) together with elevated chrome concentration and deep colour content. The strength parameters employed are COD and suspended solids (SS). ...

Powdered activated carbon and membrane bioreactors (MBRPAC ...

Abstract This paper describes the findings of an experimental investigation carried out on a pilot scale membrane bioreactor (MBR) with the addition of powdered activated carbon (PAC) to analyze improvements in effluent quality and in the filtration process. ... (MBRPAC) for tannery wastewater treatment: long term effect on biological and ...

Trees and shrubs for control of tannery wastewater in India.

Abstract Tannery wastewater contains effluents that cause serious pollution problems. The main physico-chemical properties of a typical sample were determined.

REVIEW Treatment of Tannery Wastewater by Various ...

Treatment of Tannery Wastewater by Various Oxidation and Combined Processes Rameshraja, D. and Suresh, S. * Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee-247 667, Uttarakhand, India ABSTRACT: A general overview on the prospective of various oxidation and combined processes

Removal and Recovery of Sulfide from Tannery Wastewater

ABSTRACT A full scale sulfide reclamation plant was constructed to demonstrate the feasibility of removing and recovering for reuse the sulfides in the wastewater of a large cattlehide tannery producing 25,000 hides per week, The combined tannery effluent from the soaking, unhairing, bate, pickle,

Research Progress of Tannery Wastewater Treatment

The aim of our research was to find the better treatment progress for tannery wastewater. It elaborated the source and the quality variation law with time change and harm to environment of the tannery wastewater. Listed all kinds of treatment methods, including physical, chemical, biological. Thought the development trends of tannery wastewater treatment was the combination of multiple progress.

Case Studies on Biological Treatment of Tannery Effluents ...

ABSTRACT This paper presents a comparative assessment of the cost and quality of treatment of tannery wastewater in India by two common effluent treatment plants (CETPs) constructed fortwotanneryclusters,atJajmau(Kanpur)andatUnnaoin the state of Uttar Pradesh, India. The Jajmau plant is upflow anaerobic sludge blanket (UASB) process-based ...

Metagenomic Profiling of Antibiotic Resistance Genes and ...

Oct 01, 2013· Metagenomic Profiling of Antibiotic Resistance Genes and Mobile Genetic Elements in a Tannery Wastewater Treatment Plant. ... Abstract. Antibiotics are often used to prevent sickness and improve production in animal agriculture, and the residues in animal bodies may enter tannery wastewater during leather production. ... tannery wastewater is ...

Environmental Pollution, Toxicity Profile and Treatment ...

This paper provides a detail review on the environmental pollution and toxicity profile of tannery wastewater and chemicals. Furthermore, the status and advances in the existing treatment approaches used for the treatment and/or detoxification of tannery wastewater at both laboratory and pilot/industrial scale have been reviewed.

An Experimental Investigation on Addition of Bentonite on ...

In this study, wastewater generated from Africa tannery in Khartoum North was investigated for removing of chromium from a wastewater by utilizing Bentonite. Experiments were carried out in order to obtain the optimum dose of Bentonite to be applied for the best removal of chromium and other wastewater parameters which include chemical oxygen demand, Oil and grease, total suspended …