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Every wastewater treatment plant spends money getting rid of ammonia. At Severn Trent Water alone, aeration to oxidise ammonia to nitrate costs around £1 million a year, burning through 10 GWh of electricity and generating roughly 5,000 tonnes of CO2 in the process....
Ammonia production accounts for between 3% and 5% of the world's natural gas production. This consumption equates to between 1% and 2% of the world’s energy supply. Here on earth, it requires a great deal of effort to produce ammonia. The following article,...
A new palm oil mill in Kutai Timur, East Kalimantan, is processing 60 tonnes of fresh fruit bunches an hour and with them, up to 600 cubic metres a day of palm oil mill effluent (POME) carrying a chemical oxygen demand (COD) of roughly 100,000 g/m³. That's an enormous...
Organics Ltd, with its head office located in the industrial West Midlands of England, has its origins in the UK landfill gas and leachate industry. Organics now provides a comprehensive, industrially based manufacturing service, with offices, fabrication facilities, and representation in many different countries.
Organics has the capacity and capability to advise on and install complete facilities for both waste gas and waste water treatment. Also addressed within the product portfolio are technologies for waste gas utilisation. More recent product developments include systems for the use of solid and liquid wastes as a resource for energy recovery.
Over the years, the company has developed various ranges of plant and equipment which can be manufactured at short notice to client requirements. Operational facilities are now installed in a large number of locations in the United Kingdom and around the world.
The strengths of company staff lie particularly in the fields of mechanical engineering, electronics, telemetry, combustion engineering, and geotechnical applications. In landfill engineering, for example, a thorough grasp of the geotechnical and hydrogeological environment of a landfill site is an essential prerequisite to proper planning of gas and leachate abstraction schemes.
Company staff are authors of professional papers on European specifications for flare stacks and on the utilisation of landfill gas; a computer programme has been prepared for the quantification of gas yield over time. The company is currently deeply involved in the development of technologies for the anaerobic digestion and gasification of components from municipal solid waste.
Organics provides a wide range of flare systems, from simple open burners to systems that include exhaust-gas recirculation and fuel staging for ultra-low emissions combustion of polluted waste gas streams. Industries supplied include the landfill gas, sewage gas, and biogas industries, as well as the conventional petrochemical industries.
The first elevated flare was supplied in 1988 to a landfill site in England, where gas escaping from the site had caused a domestic property to explode. From this initial beginning, the technology has moved on to SMART flares — units that use exhaust gas recycling and combustion air staging to produce ultra-low-emission flares.
As well as standard equipment types, Organics is adept at designing combustion systems to suit specific process requirements.
The first leachate treatment system constructed involved the use of anaerobic bacteria. The technology employed was that of an anaerobic baffled reactor.
Organics has since moved on to the supply of aerobic systems, sequencing batch reactors, and a range of physical processes, such as ammonia strippers and activated carbon polishers.
Combined with the various equipment techniques that have been developed as process items, Organics is able to offer a wide range of solutions for a multitude of waste water treatment situations.
As may be expected, equipment for the management of gas prior to use or destruction has become a strong point within the company. Gas handling equipment includes conventional extraction and pumping, with a range of gas movers, air-blast cooling, the application of refrigeration techniques, and the use of cryogenics for gas separation and ultimate liquefaction.
Monitoring process performance is an important element within the control and analysis of operations. Organics is able to provide a wide range of instrumentation to monitor both process performance and the impact of processes on the ambient environment.
As well as more conventional readout at the point of use, Organics also offers a range of SCADA methods for remote access, reporting, and control.
Gasification offers a method of converting the energy content of waste directly to energy, while at the same time minimising the amount of waste passing to landfill. Organics has designed and built a process capable of accepting a wide range of waste inputs.
Included within this process is the facility to manage the calorific value of product gases passed to the point of use. Points of use may include boilers and internal combustion engines.
Wet wastes are better suited to wet treatment processes. The drying of waste often requires a significant input of energy. The point at which the energy produced is less than the energy required for drying can often render drying-prior-to-use a net energy consumer.
Organics is working with high-rate anaerobic digestion plant for use with the varied wet organic waste streams typically received at landfill sites and waste transfer stations.
As a key component within a comprehensive equipment supply package, Organics is able to offer a range of finance options to customers. These range from simple leasing through to comprehensive finance-and-operate options.
Servicing is a vital component within a successful operation. Organics offers packages that include regular routine servicing through to full-time operational management.
Organics is not a consultancy. As part of specific services to its customers, Organics can provide consultancy support on specific issues. This has included problem analysis, design support, and expert witness services.
Equipment supply overseas commenced in 1993 with flare systems to Mexico. Since that time, Organics has established a market presence in many different locations around the world.
The method of operation varies from country to country. Organics operates through agents and representatives in many countries. In others, where suitable representation has not been identified, Organics has direct representation. The principle is always that installed plant and equipment should be technically supported, with a full range of service and support options available to the end user.
As part of the continuing development of market areas, Organics has opened a regional office in Bangkok, Thailand. This office acts as a point of contact for the Far East, China, Australia, and New Zealand.
Every country in which Organics operates has its own methods and preferences for a great many of the variables involved in environmental control. The United Kingdom measures emissions as a concentration; the USA measures emissions as a mass flow rate set against power ratings. Environmental compliance in Hong Kong is rigorously applied, whereas in many other countries standards are considerably less stringent.
Organics is able to respond to the needs of each situation by offering appropriate solutions for specific pollution control requirements.
Ultimately, the preference is for sustainable solutions. It is in this direction that the social requirement to deal with waste will ultimately find an equilibrium with the environment.
Organics has established, through a large number of satisfactorily completed projects, its ability to design and deliver a wide range of environmental control equipment for landfill sites and other situations where pollution control is a requirement.
Organics is building on its ability to deliver equipment around the world. Providing new solutions to well-known and well-understood problems forms a focus for the contribution Organics is making to technology in its field.
At the same time, Organics is developing new technologies and equipment ranges to meet the objectives of developing trends within the waste management industry. Such equipment is designed for use with organic liquid wastes, organic solid wastes, and odours.
Having the role of technology provider in many operational facilities, Organics is also involved in building up the finance-and-operate side of its business. For many end users, it makes sense to pass partial or complete responsibility for the long-term performance of such systems to the supplier of the technology. There are many permutations to this theme, and Organics is ready to meet the requirements of individual circumstances and client preferences.
In the first instance, new contact may be made directly to the UK head office or by means of the Internet, through the Organics website: www.organics.co.uk. All country enquiries will be directed to the appropriate part.
Organics has designed thermal ammonia stripping systems since 1997
Every wastewater treatment plant spends money getting rid of ammonia. At Severn Trent Water alone, aeration to oxidise ammonia to nitrate costs around £1 million a year, burning through 10 GWh of electricity and generating roughly 5,000 tonnes of CO2 in the process....
Ammonia production accounts for between 3% and 5% of the world's natural gas production. This consumption equates to between 1% and 2% of the world’s energy supply. Here on earth, it requires a great deal of effort to produce ammonia. The following article,...
A new palm oil mill in Kutai Timur, East Kalimantan, is processing 60 tonnes of fresh fruit bunches an hour and with them, up to 600 cubic metres a day of palm oil mill effluent (POME) carrying a chemical oxygen demand (COD) of roughly 100,000 g/m³. That's an enormous...
The problem SBI Group runs a landfill site in Victoria, Australia, and needed to deal with residual odour from its landfill gas stream. The gas doesn't arrive clean: it's a lean, wet mixture — 25% to 50% methane by volume, saturated with moisture, carrying 0% to 5%...
Hong Kong's NENT landfill already runs two ammonia stripping lines to treat leachate — the liquid that percolates through buried waste. Growing volumes meant those two lines needed a third, independent treatment train, sized to handle up to 1,500 m³/day of leachate...
