In India bioethanol is mainly produced by the fermentation of diluted sugar cane molasses solution. After fermentation, alcohol is separated by distillation and the residual liquid is discharged as Distillery Spent Wash or effluent. This effluent is dark brown in
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The spent wash generated from distilleries has high chemical oxygen demand (COD) (80,000–100,000 mg/L) and biochemical oxygen demand (BOD) (40,000– 50,000 mg/L), high temperature, is dark brown in colour having low pH (54.0–4.5)
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:Sarayu Mohana, Bhavik K. Acharya, Datta MadamwarPublish Year:2009 · Current treatment options used to treat distillery spent wash includes physical, chemical, physicochemical and biological methods before its disposal. The selection of treatment methods depends on various factors viz. treatment efficiency, treatment cost, local geography, climate, landuse, regulatory constraints, and public
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· In India, distilleries are one of the largest industries, generating vast quantities of effluent (known as raw effluent or spent wash), which is potentially a great cause of aquatic and
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· In the present study post treatment of anaerobically treated distillery spent wash having residual BOD (5000-15000 mg l-1) and COD (6000-43000 mg l-1) was further treated with electrocoagulation
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· Distilleries are among the most polluting industries because ethanol fermentation results in the discharge of large quantities of high-strength liquid effluents with high concentrations of organic matter and nitrogen compounds, low pH, high temperature, dark brown color, and high salinity. The most common method of managing this
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· Molasses spent wash (120,000 ppm COD, India) and tequila vinasse (27,000 ppm COD, Brazil) were pre-treated at varying number of passes (between 1 and 20) through the HC device at constant inflow
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Distillery Spent Wash (DSW) is a rich source of organic matter and nutrients like nitrogen, phosphorus, potassium, calcium and sulfur. In addition, it contains sufficient amount of micro-nutrients
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· Introduction Alcohol distilleries are one of the most polluting industries generating an average of 8–15 l of effluent (“spent wash”) per liter of alcohol produced (Saha et al., 2005). There are 285 distilleries in India alone producing 2.7 billion liters of alcohol and generating 40 billion liters of wastewaters annually (Raghukumar et al., 2004).
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· In India, the BDS has the potential to provide 245,000 tons of potassium, 12,500 tons of nitrogen, and 2100 tons of phosphorous annually from the total annual generation of 45 billion liters of raw spent wash, fulfilling
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Effluent generated from distilleries is known as slop/spent or wash/vinasse/ stillage. The present study is carried out with the objective of characterization and treatment of distillery spent wash using aerobic and anaerobic treatment processes on the treatment plant of UP Co-operative distillery Jahangirabad, Anoopsahar (UP) form October 2019 to
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Constituent Carbon Hydrogen Nitrogen Oxygen Moisture Sulphur Ash Gross Calorific Value (Kcals / Kg) Spent wash 22.22 21.15 1.85 14.50 40.00 0.62 18.66 1800 Bagasse 23.25 3.25 -21.75 50.00 -61.50 2270 (Source:
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Hence, Central Pollution Control Board (CPCB) proposed, co-processing of concentrated spent wash in cement kiln. There are around 400 distillery units in India, with a total production capacity of about 3800 million litres of alcohol. Average generation of spent wash is around 8-12 litres / litre of alcohol produced, depending on continuous or
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In India, distilleries are classified as “Red Category” since molasses based distilleries consume significant quantities of fresh water and produce spent wash (vinasse) having very high pollution load.
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The world’s total production of alcohol from cane molasses is more than13 million m3/annum. The aqueous distillery effluent stream known as spentwash is a dark brown highly organic effluent and is approximately 12-15 times by volume of the product alcohol-22. It is one of the most complexes, troublesome and strongest organic industrial
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· Abstract The distillery sector is one of the seventeen categories of major polluting industries in India. These units generate large volume of dark brown colored wastewater, which is known as “spent wash”. Liquid
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· Semantic Scholar extracted view of "Distillery spent wash: treatment technologies and potential applications." by S. Mohana et al. DOI: 10.1016/j.jhazmat.2008.06.079 Corpus ID: 7238392 Distillery spent wash: treatment technologies and potential applications. @
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· Thus, approximately 40 billion liters of spent wash generated per annum from 285 distilleries across the country. [15] Typically, DSW contains caramelization products and recalcitrant components having high chemical oxygen demand (COD), biological oxygen demand (BOD) along with inorganic salts and low pH.
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:D. Singh, Poonam Singh Nee NigamPublish Year:1995Consulta
:Pankaj A. Shinde, Tejas M. Ukarde, Preeti H. Pandey, Hitesh S. PawarPublish Year:2020India. 4. Treatment options of distillery spent wash Current treatment options used to treat distillery spent wash includes physical, chemical, physicochemical and biological
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· Indian distilleries employ various types of primary, secondary and advanced treatments for spent wash. The typical treatment sequence includes screening and equalisation, followed by bio-methanation.
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· 1. Introduction India is the largest sugar consumer and second-largest sugar producer country across the globe. As per agro-processing industries across the country, the sugar industry is regarded as the second-largest sector after the textile industry. [[1], [2], [3]] The major key raw material for the sugar industry is sugar cane and its
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:Sarayu Mohana, Bhavik K. Acharya, Datta MadamwarPublish Year:2009 · The ethanol distillery generates a huge quantum of undesirable dark brown coloured wastewater called “Distillery Spent Wash” (DSW) or “Vinasse” which has high
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· Distillery spent wash is a highly polluting effluent generated from alcohol distilleries. In India alone, 319 distilleries produce over 40 billion liters of wastewater annually. Existing treatment methods partially reduce the biological oxygen demand, chemical oxygen
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· Distillery industries in several regions all over the world pose a serious risk, as it generates unpleasant compounds. Under such circumstances, it seeks an effective spent wash treatment, to eliminate the contaminants. Accordingly, this paper provides a relevant review regarding the distillery spent wash treatments, associated with the
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· Distellery spent wash (DSW) treatment methodogies and challenges with special reference to incineration: An overview.pdf Available via license: CC BY-NC 4.0 Content may be subject to copyright.
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This can help to reduce the cost for treatment and disposal of distillery spent wash. This processes have found to be much eco-friendly. If all the distilleries present in India resort to biomethanation, then approximately 2.0 million cubic metres of biogas shall be generated per day, with a calorific value of approximately 5000 Kcal/m3.
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· Spent wash Treatment Various technology options are available for the treatment of distillery spent wash. There are about 100 distilleries in India that are operating R.O. plants to treat their anaerobically digested or
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(DOI: 10.1016/J.JHAZMAT.2008.06.079) This article is published in Journal of Hazardous Materials.The article was published on 2009-04-15. It has received 389 citations till now. The article focuses on the topics: Environmental pollution & Waste disposal.
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· Anaerobic digestion/biomethanation is generally used as a primary treatment for spent wash generated from molasses-based distilleries in India (CPCB,). In the year 2003, CPCB, India, had insisted that distilleries should achieve ZLD by the end of 2005 ( Krishnamoorthy et al., 2017 ).
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