Bioaugmentation/waste water treatment in food industry - Case Study
What is it?
The bioaugmentation is an innovative technology which consists in an increase of selected bacteria to help naturally the biological process of organic compounds degradation.
It is proper to dose in any effluent type and wastewater treatment system, which no longer has enough capacity or has an inefficient performance.
These products facilitate the reduction of environmental parameters (COD, BOD, TSS), degradation of organic matter, oils and fats and nutrients excess.
- Problem: Dark water (sludge excess) and eutrophization.
- Solution: Biodigestor
Bioaugmentation consists in an increase of selected bacteria that will help naturally the process of biological degradation of organic compounds. BIODIGESTOR can be applied in the biological treatment of an industrial waste-water treatment, like food industry, increasing its efficiency. BIODIGESTOR reduces COD, BOD, FOG, among others.
New EU industrial emissions legislation
Proposal for the revision of industrial emissions legislation in the EU (Questions & Answers) The Commission`s proposal focuses on four key problems identified during a two-year review process when data was collected through an extensive programme with ten studies and continuous consultation with stakeholders. Firstly, the Commission proposes to overhaul seven existing pieces of legislation on industrial emissions, moulding them into a single directive. This directive improves the clarity and coherence of the...
Water Industry on the Eco Wave?
A wave of privatization is rolling through the water industry – at the environment‘s expense? In order to provide an answer to this question, the Environmental-Rating agency oekom research AG, Munich, put a number of water supply companies and manufacturers of water appliances to the environmental test. In results published today, oekom identifies the British water supplier Severn Trent as the environmental leader of the water supply group with a B grade in the overall Environmental-Rating. The Austrian water...
Evaluation of Ecological Risks Associated with the use of Chlorine Dioxide for the Bleaching of ...
1.1 Scope and Objectives A small number of viable options are presently available for the bleaching of wood pulp (delignification and brightening) during the manufacture of pulp and paper. The use of chlorine dioxide (ClO2) in the bleaching process has largely superceded the earlier use of Cl2, or elemental chlorine, in the majority of North American pulp mills: It was discovered over a decade ago that the previous widespread use of Cl2 contributed to the production and subsequent release to the environment of...
A Case for Point-of-Use RO Ultrapure Water Systems
ULTRAPURE WATER CRITERIA - AN OVERVIEW `Pure water` is a relative term. Practically speaking, no water, naturally occurring or treated by man, consists solely of H2O molecules. Forever in pursuit of achieving equilibrium with its surroundings, water has unique characteristics that result in its ability to dissolve most matter. This property of water to dissolve and transport materials is employed by the electronics industry for the critical rinsing steps essential to the fabrication of integrated microcircuitry....
Using a `Total System` Approach to Waste Policy
Abstract Waste management policy and regulation in many countries focuses on reducing the flow of solid waste to landfill. Household waste reduction is emphasised as are mechanisms such as recycling. The concept of a `waste hierarchy` is often used as justification for such policies or for an emphasis on one or another method of waste management. Little attempt appears to have been made to identify the nature or origin of waste flows through society or the mechanisms available to reduce it, one of which is the...
Composting Food Residuals on the Farm
A county agency and a farmer in Vermont have teamed up to collect and compost food residuals and other organics. The Rutland County Solid Waste District (RCSWD), which is responsible for managing MSW for 16 cities and towns, began planning the food residuals composting program in December, 1996 with the Rutland Natural Resource Conservation District, one of 14 districts in Vermont that promotes agriculture, water quality and economic development. The conservation district canvassed area farms to determine which...
San Francisco Expands Commercial Organics Recycling
In San Francisco, commercially generated organics (primarily food residuals) are being diverted from the landfill through a variety of programs with different types of generators, collectors and processors/markets. These efforts include: Redistribution of edible discarded produce and other food, including prepared foods from restaurants; conversion of food processing waste and inedible produce (sorted by the food bank) into animal feed products, as well as rendering of food service fat, bones and grease; on-site...
Solid Waste Recovery and Recycling in Hanoi, Vietnam and its Social Impacts
Abstract The recyclable material of solid waste in Hanoi city has been processed by different groups of scavengers, junk buyers, receivers, dealers and recycling enterprises. The recovery materials are paper, metal, plastic, glass and duck pears, etc., Food waste and human excrement from latrines in city is collected by other group for animal breeding and farming. This kind of solid waste collection creates a revenue for hundreds of people who comes mainly from rural area, and recovers almost all recyclable...
Compilation of EU Dioxin Exposure and Health Data
Introduction There is considerable public, scientific and regulatory concern over the possible adverse health effects of chronic exposure to trace levels of persistent organic pollutants. The class of compounds made up of the polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF), often collectively known as dioxins, has received widespread attention and attracted a great deal of research, following the accidental release of the most toxic of these (2,3,7,8 TCDD) at Seveso in 1976. Diox...
A new Technology for Composting: Suction Aeration for Opening Composting Works
Cost-efficient solution for smell emission reduction The enormous waste quantities that are produced day by day are one of the most difficult problems for the economy as such, for cities and communities and for private households. Storage capacities for waste are scarce everywhere. Therefore solutions of all kinds that reduce waste quantities or recycle waste materials to be reused in the material cycle are top priority for all concerned. For some time now, compost production has been a widely used approach to...
Longer Life For Biofilters
Biofilters are the odor control system of choice at composting facilities. Despite similar capital costs, the biofilters are generally less costly to operate than chemical scrubbers. The key to keeping operating costs in check, however, is to get the maximum use out of the biofilter media, thus avoiding the time and money needed to do media replacements. Allen Boyette, senior engineer and manager of the Cary, North Carolina office of E&A Environmental Consultants, Inc., tackled the topic, “Building Longevity...
Environmental Situation in Africa
Abstract Africa The economic and social needs of Africa depends more on its environmental resources but these natural resources are seriously declining and that is really effecting the entire region. Sustainable development in this rapidly changing region has become an imperative, and must take place in the complex context of a diverse and changing ecosystem, political transition and evolution toward market economies. The region is heading towards integrating environmental components into sectors like...
Possibilities for Future EC Environmental Policy on Plant Protection Products
Abstract This report presents the results of a study to examine and evaluate the economic, environmental and social benefits of plant protection products (PPPs) in agriculture with the main emphasis on the economic aspects. The approach followed was to carry out four case studies - each covering a single crop in a specific region of major production-comparing standard, integrated and organic production systems. The four crop/region case studies selected were: apples (Trentino-Adige, Italy), ware potatoes (Flevolan...
Reduction of Waste Fluids by Electrolytical Preflux Treatment: Industrial Galvanisers Corporation
Industrial Galvanisers Corporation is saving $100,000 per annum in waste fluid disposal costs through greater process control of their hot dip galvanising. The new process, developed by the company’s R&D team, is a continuous electrolytical preflux treatment. It has also delivered quality improvements and other savings by allowing better monitoring of, and hence improvements in, plant management. The reduction in waste effluent and fume levels is a major environmental breakthrough for this industry. The...
Machining Coolant Recycling: Unidrive
Unidrive Pty Ltd undertake extensive machining operations during the production of automotive components. In the past this resulted in the generation of 20,000 litres of waste coolant every week. By implementing a coolant recovery and recycling system, Unidrive have saved approximately $179,000 per annum as a result of more efficient coolant usage and management. Background Unidrive Pty Ltd was established in the late 1950s and currently has a workforce of over 400. It manufactures drive assemblies and other...
Containment for Soil, Sediment, and Sludge
Containment treatments are often performed to prevent, or significantly reduce, the migration of contaminants in soils or ground water. Containment is necessary whenever contaminated materials are to be buried or left in place at a site. In general, containment is performed when extensive subsurface contamination at a site precludes excavation and removal of wastes because of potential hazards, unrealistic cost, or lack of adequate treatment technologies. Containment treatments offer quick installation times and...
Ex Situ Biological Treatment for Soil, Sediment, and Sludge
The main advantage of ex situ treatment is that it generally requires shorter time periods than in situ treatment, and there is more certainty about the uniformity of treatment because of the ability to homogenize, screen, and continuously mix the soil. However, ex situ treatment requires excavation of soils, leading to increased costs and engineering for equipment, possible permitting, and material handling/worker exposure considerations. Bioremediation techniques are destruction or transformation techniques...
Hazardous Waste Identification Studies
This is a final report of the study on spent solvents under taken as a result of a consent decree between the Environmental Defense Fund (EDF) and the Environmental Protection Agency (EPA). The study discusses the wastes associated with the use of the materials as solvents, the toxicity of the wastes, and the management practices for the wastes. The chemicals included in this study are diethylamine, aniline, ethylene oxide, allyl chloride, 1,4-dioxane, 1,1-dichloroethylene, and bromoform. In addition, this...
Treating Industrial Water with Membrane Technology
A variety of industries are finding that it makes sense to reevaluate the way they treat industrial process water, both to improve the quality of their products and increase the efficiency of their processes. Purification systems utilizing crossflow membrane filtration, such as reverse osmosis (RO), nanofiltration (NF) or ultrafiltration (UF) can be a good alternative to traditional filtration and chemical treatment systems. RO crossflow filtration systems produce water similar in quality to demineralized or...
Two Case Histories of Industrial Water Reuse Via Membrane Technology
Abstract This paper describes two successful applications of ultrafiltration (UF) and reverse osmosis (RO) membrane technology used to reclaim water, reduce waste water discharge costs. The first case history covers oily waste water treatment at a major aluminum beverage can manufacturing plant. The second case describes treatment of waste water from a multi-plating bath section of a major wheelchair manufacturing facility. The mechanisms of separation effected by both UF and RO are described at the molecular...
Spiral-Wound Sepralators: The Range of Options
Introduction Spiral-wound membrane elements (sepralators) were used mainly for basic water purification until the mid to late 1970s, when broader uses began to receive attention. New applications often required special consideration such as; sanitary construction for the dairy industry, high temperature for food processes and waste streams, and high pressure capability for desalination. In addition, aggressive chemicals either in the feed stream or in necessary cleaners had to be dealt with. As the sophistication...