Coal Seam Gas, Recovery, Japan, Seawater, Wastewater Treatment, Recovery, Cyprus, Oil & Gas, Hawaii
Desalitech ties up with Toyo for international market
Innovative reverse-osmosis (RO) developer Desalitech and Japan's Toyo Engineering Corporation announced on 11 December 2013 the formation of a strategic partnership to introduce water and wastewater treatment solutions to Japanese, East Asian and international markets.
Queensland legislates for centralised CSG brine disposal
The Queensland state government in Australia is introducing legislation to bring about centralised treatment and disposal of water and brine produced from the coal-seam gas (CSG) industry.
Commission warns Australia about gas-production wastewater
Handling the wastewater resulting from coal-seam gas (CSG) production in Australia is likely to require a precautionary approach that will demand innovation from water managers and planners, and significantly greater coordination with existing project approval processes, the National Water Commission warned in December 2010.
Flowserve wins pumps and ERDs for Larnaca desalination
DWEER energy-recovery units and Flowserve DMX high-pressure pumps are to be supplied for the 60,000 m³/d Larnaca seawater reverse-osmosis (SWRO) desalination plant currently being rebuilt in Cyprus.
Papers invited for 2013 AWWA/AMTA event
With the 2012 AWWA/AMTA Membrane Technology Conference under way this week in Phoenix, Arizona, a call for papers has been issued for next year's event in Texas.
Nirosoft selects ERI PXs for Limassol desalination
The 50,000 m³/d seawater desalination plant currently under construction in Limassol, Cyprus, will use PX-260 pressure-exchangers from Energy Recovery Inc (ERI).
Study starts on salinity reclamation of W Australian river
Mitigation measures such as desalination and diversion could be proposed for the Collie river basin in Western Australia as a result of an independent review of possible strategies for salinity recovery, which has just been started by consultants KPMG and Worley Parsons.
Water Standard finds its shipbuilder in Samsung
Texas-based Water Standard and Korea's Samsung Heavy Industries announced an agreement on 28 June 2011 to collaborate on the design and development of vessels to deliver water treatment solutions to the offshore oil and gas sector.
China's Tri-Tech acquires Wisconsin desalination provider
Desalination and wastewater treatment provider J&Y International Inc, based in Wisconsin, USA, was acquired by subsidiaries of Tri-Tech Holding Inc of China on 9 June 2011.
Mitsui acquires minority stake in Water Standard
Houston-based Water Standard Management (US) Inc, which focuses on water treatment for enhanced oil recovery (EOR), announced on 30 May 2012 that Japan's Mitsui & Co Ltd has acquired a minority interest in the company.
US$ 6.25 million equity investment for Desalitech
Reverse-osmosis (RO) innovator Desalitech Inc has secured an equity investment of U$$ 6.25 million led by Liberation Capital LLC, which will be used for business expansion and working capital.
Another oil-sands evaporation contract for GE in Alberta
GE has won its fifth contract in the Alberta oil sands of Canada for use of its evaporation technologies for recycling the blowdown from once-through steam generators (OSTGs).
LACSD signs up Desalitech for chloride‑removal test
Desalination system developer Desalitech is to support a pilot project with the Los Angeles County Sanitation Districts (LACSD) to upgrade two Santa Clarita Valley wastewater treatment plants in order to meet state‑mandated chloride limits, the company announced on 2 October 2013.
Agnihotri elected to board of ThermoEnergy Corp
Dr Dileep Agnihotri, the CEO and president of Advanced Hydro Inc, a company set up to commercialise a novel antifouling membrane coating technology at the University of Texas - Austin, has joined the board of ThermoEnergy Corp, a Massachusetts-based company engaged in development and sales of municipal and industrial wastewater-recovery and clean power-generation technologies.
Ozwater '12 abstracts required before 1 September
The Australian Water Association (AWA) has issued a call for papers for Ozwater '12 to be held on 8-10 May 2012 in Sydney.
Japanese pump maker buys 50% of FEDCO
Torishima Pump Mfg Co Ltd of Japan has acquired a 50% stake in Fluid Equipment Development Company (FEDCO), the US manufacturer of high- and low‑pressure pumps and energy-recovery equipment for desalination.
Aquatech increases Pennsylvania oil & gas resources
Aquatech has increased its oil & gas water management services in the Marcellus and Utica Shale regions of Pennsylvania with the acquisition of Fluid Recovery Services (FRS), based in Creekside.
Desalitech and Veolia tie up Mexican MoU
Desalitech Inc has signed a memorandum of understanding (MoU) with Veolia Water Solutions & Technologies to bring advanced cost‑effective high‑recovery water solutions to Mexico and additional countries worldwide.
Speakers announced for IDA conference in Banff
Speakers and sessions for the May conference on Water Recycling and Desalination for the Oil & Gas Industry have been announced by the organizers, the International Desalination Association (IDA).
Biwater completes Virgin Islands desalination plant
Water technology company, Biwater, has started full commercial operation of a new 10,400 m³/day reverse osmosis seawater desalination plant constructed by the firm on the island of Tortola in the British Virgin Islands.
North Sea gas RO package supplied by UK company
A containerised reverse‑osmosis (RO) desalination package is to be supplied for an unmanned gas platform in the North Sea by Salt Separation Services of Rochdale, UK.
Osmoflo to supply two ship-mounted ROs to gas field
Potable and process water is to be supplied to a gas field north of Australia by ship-mounted seawater reverse-osmosis (RO) plants supplied by Adelaide-based desalination specialist Osmosflo.
Electrochemical desalination MoU signed in Singapore
A memorandum of understanding (MoU) between Singapore's national water agency, PUB, and Evoqua Water Technologies to further develop electrochemical desalination technology was one of five MoUs signed during Singapore International Water Week, which ended on 5 June 2014.
Severn-Trent wins Chilean mining desalination contract
US water and wastewater treatment company Severn Trent Services has been awarded a contract to provide a seawater desalination plant that will serve the potable and process water needs of the Minera Esperanza copper and gold mine in Antofagasta, Chile.
Metito lands Bechtel SWRO desalination in Australia
Dubai-based Metito has landed two new seawater reverse-osmosis (SWRO) desalination plants in Australia and is currently nearing completion of one in Qatar.
IDE in talks with Hawaii desalination plant proposer
Desalination designer and builder IDE Technologies has confirmed to D&WR that it has been talking with billionaire Larry Ellison, who is proposing to build a 2.5 MGD (9,500 m³/d) seawater desalination plant on the island of Lanai.
STW joins HFEIS developer to target power/desalination
STW Resources Holding Corp of Texas, USA, announced on 18 September 2013 a mutual strategic relationship with Colorado‑based Tat‑Tech Inc to remediate oil-sands waste, brackish groundwater and seawater via the construction and operation of proprietary systems developed by Tat‑Tech.
Hitachi and Toray target 20 per cent RO energy reduction in Saudi demo
Hitachi and Toray are to demonstrate a low energy seawater reverse osmosis (SWRO) system in Saudi Arabia, in a project that will draw lessons from the Mega-ton Water System.
Interview: Juan Miguel Pinto, ALADYR president
The new president of ALADYR, the Latin America desalination and water reuse association, sees his organisation as a window onto the region for international companies. His big aim is to step up events during 2018, taking knowledge of desalination and reuse out to the market.
Desalitech closed-circuit technology set for BWRO project
Israel-based Desalitech Ltd announced on 7 April 2011 that it had been awarded a contract to design and build a reverse osmosis (RO) desalination system for Environmental Protection Technologies (EPT), a global company that leads the industrial wastewater treatment market in Israel.
VWS Westgarth bags Angolan offshore UF/SRP contract
A multimillion dollar contract for design, supply and delivery of an ultrafiltration (UF) system and a sulphate-removal package (SRP) for offshore oilfield exploration in Angola has been won by UK-based VWS Westgarth, a subsidiary of Veolia Water Solutions & Technologies.
Mega-ton project symposium set for Tokyo in November
A symposium is to be held in Japan in November 2013 centred on the Mega-Ton Water System, a national research program to develop sustainable water treatment technologies, including large-scale desalination, that have a low environmental load and are energy-saving and low in cost.
"We're now at more than $100 million revenue." Doug Brown, AquaVenture chairman and CEO
AquaVenture chief executive Doug Brown has a track record of delivering shareholder value. When he joined water technology and engineering firm Ionics as chief executive in 2003, the struggling business was trading at $16 a share.
Desalitech's Rick Stover: "The world's experts on desal and reuse are coming to Miami"
Desalitech executive vice president Rick Stover says that delegates can expect stimulating open forum discussions, papers and research at the IDA Energy and Environment Conference in Miami, USA, December 2016
Possibilities for energy optimisation in design and operation of SWRO plants
Seawater desalination with reverse osmosis (SWRO) has taken a noteworthy upturn during recent years. One of the reasons for the success of the membrane process is its lower energy consumption in comparison with thermal desalination processes. The high-pressure RO desalination stage is undoubtedly the dominating energy consumer of an SWRO plant. Energy consumption of SWRO, despite its energy-recovery aspects, is also influenced by a huge number of additional factors. These are both of an external nature (eg, environmental conditions and stipulations), but are also determined by design and configuration of the plant. On the basis of an SWRO plant model, which covers the different pre-treatment and RO configurations and also the design with energy consumption of potabilisation and additional wastewater treatment and sludge dewatering facilities, the specific energy consumption of an SWRO and its subsystems has been determined in this article. Considering the various aspects to be taken into account for optimization of energy consumption in seawater reverse osmosis plants and the fact that in most cases these measures are offset by increases in capital costs for equipment or possibly also in chemical consumption, optimisation of the energy consumption of SWRO plants during planning and operation is a quite extensive and complicated matter and a demanding engineering task. This article is an expanded and updated version of the article published in the August/September issue of D&WR magazine.
Jersey contracts ACWA to upgrade desalination plant
Utility, Jersey Water, has contracted international water and wastewater treatment firm, ACWA Services, to carry a out a £6 million (US$ 9 million) upgrade of the Channel Island's La Rosière desalination plant in a bid to cut operating costs and meet rising demand.
LG Electronics forms water treatment JV with Hitachi
South Korea's LG Electronics and Japan's Hitachi are to establish a joint venture in October 2011 to expand into the water and wastewater treatment industries initially in Korea.
Oasys furthers advance in China
US-based forward osmosis specialist, Oasys Water, has unveiled its latest advance in its bid to expand in China with its partner in the region, Beijing Woteer.
Aquatech sells produced-water evaporators in Alberta
Aquatech is to design, engineer, supply and supervise installation and commissioning of a produced-water evaporator system for Pengrowth Energy Corporation's Lindbergh 12,500 bpd Steam Assisted Gravity Drainage (SAGD) enhanced oil-recovery facility.
Energy Recovery trials its pump-guarding fracking system
Liberty Oilfield Services is to conduct trials of Energy Recovery's Vor Teq hydraulic pumping system for hydraulic fracturing (fracking) at US well sites. The system is based on Energy Recovery's PX Pressure Exchanger technology which is deployed in more than 15,000 desalination installations worldwide according to Energy Recovery.
Doosan picks up prize for zero liquid system
Doosan Hydro Technology was among the winners of the 2015 David W York Water Reuse Project of Year Award for its part in the city of Palm Coast's zero liquid discharge (ZLD) plant at Citation Boulevard, Florida.
Oil and gas player commissions produced water treatment plant
Encana Oil and Gas has designed and commissioned a reverse osmosis (RO) desalination plant to treat produced water from its oil sand wells in the Moneta Divide, Wyoming. It has since sold the plant along with all its Moneta Divide assets to Aethon Energy.
Registration open for AMTA/AWWA membrane conference
Registration has been opened and new sessions added to the programme for the 2013 Membrane Technology Conference & Exposition in San Antonio, Texas, on 25-28 February 2013.
IDA announces May 2013 oil and gas conference
The International Desalination Association (IDA) is to organize its first technical conference focused on water treatment strategies for the oil & gas industry.
X-Flow commissions Chinese produced-water projects
Three water-reuse projects for oilfields in China that use Pentair X-Flow ultrafiltration (UF) membrane technology have been commissioned recently.
Nirosoft wins large Colombian desalination plant
Nirosoft Industries Ltd has been awarded a contract by Pacific Rubiales Energy Corp (PREC) for design and construction of a produced-water desalination plant in Colombia.
New clarifier solves Virginia UF membrane problems
Funds from the US Environment Protection Agency (EPA) have enabled completion of a new pretreatment system for an ultrafiltration membrane system at the Fairmont Water Filtration Plant in West Virginia.
Adionics launches liquid-to-liquid desalination system
France-based Adionics has launched a smart desalination solution that is able to remove specific salts to address the growing demand coming from oil and gas, food and beverages as well as mining.
Escondido hires consultants for potable water reuse
The City of Escondido in southern California approved on 27 June 2012 spending of US$ 1.14 million to hire a team led by Black & Veatch and including Brown & Caldwell for services towards its Indirect Potable Reuse Program.
Energy Recovery bags US$ 1 million in desalination orders in India and Ghana
Fluid flow energy efficiency firm Energy Recovery has won desalination orders totalling US$ 1 million for original manufacturer projects using its technology in India and Ghana. The company said the deals were among a continuing revenue stream from small-to-medium sized projects.
World Bank publishes report on Arab water reuse
Total water reuse in the Arab world is estimated at 2,170 million m³ per year, according to a report just published by the World Bank summarising the findings of the Expert Consultation Meeting on Wastewater Management in the Arab World, convened in Dubai in May 2011.
Papermaker ups water performance with Desalitech reverse osmosis
Arizona-based papermaker, Doubletree Paper Mills, said it has increased its purified water recovery by 20% at its Gila Bend plant since replacing its reverse osmosis water treatment system in 2014 with Desalitech's ReFlex RO system. The modification has also cut wastewater output by almost two thirds and lopped 25 % off energy consumption said Doubletree.
UF membranes tackle silica at Indian powerplants
Pentair X-Flow HFS 60 Silica ultrafiltration (UF) membranes are to be used in two projects in India for the removal of colloidal silica from surface water.
MBR/RO at heart of PepsiCo reuse plant in Chile
A membrane bioreactor (MBR), reverse osmosis (RO) and ultraviolet (UV) disinfection are all part of a wastewater treatment and reuse plant upgrade being completed by Siemens Industry Automation Division for PepsiCo in Chile.
Energy Recovery chief to quit
Chief executive officer (CEO) of pressure technology specialist Energy Recovery, Thomas Rooney, has resigned as the company increases its focus on the oil and gas sector.
Adsorption pilot phase two will focus on ZLD
MEDAD Technologies, a specialist in adsorption, has worked to commercialise a multi-effect distillation adsorption desalination (MED-AD) system since spinning off from the National University of Singapore (NUS) in 2012.
EDS and SPE host joint oil/gas desalination workshop
The European Desalination Society is joining the Society of Petroleum Engineers (SPE) to present a joint workshop on Desalination in the Oil and Gas Industry.
Pilot vapour-recompression plant tackles oil and gas water
A pilot project to treat produced water from oil and gas operations in southern Saskatchewan, Canada, has been initiated by Purestream Technology of Salt Lake City, USA, using its advanced vapour recompression (AVARA) system.
Treatment of process effluent water for reuse in food production
Effluent water reuse in the food industry raises inevitable questions about the risk and reliability of wastewater treatment and recovery processes in meeting the required standards. The author looks at how two food processing facilities adopted process water recovery and reuse shows how the benefits can be a maximized and how the challenges live among the detail. This article first appeared in the November/ December 2014 issue of Desalination & Water Reuse magazine.
Oasys forward osmosis concentrates in China
Massachusetts-based Oasys Water has claimed its recent contract to supply a forward osmosis brine concentrator to a fossil-fuelled power plant in China to be a world first.
ERI hires oil expert from Schlumberger
Energy Recovery Inc has hired seasoned oil and gas expert Ismail Nawaz as its vice president, oil and gas product development.
Aquarion buys Hager + Elsaesser
Water treatment firm Aquarion Group has acquired German water technology company Hager + Elsaesser (H+E) for an undisclosed sum.
US non-profit NWRI appoints Hardy as executive director
Former Encina Wastewater Authority (EWA) executive Kevin Hardy has joined the US National Water Research Institute (NWRI) as executive director.
ACWA wins two membrane-based projects in Saudi
Two separate contracts for membrane-based water and wastewater projects in Saudi Arabia have been awarded to ACWA Emirates LLC of Dubai.
ACWA Emirates delivers MBR reuse plant for Saudi Aramco
ACWA Emirates has completed a water reuse plant at Shaybah Oilfield, Saudi Arabia, for crude and natural gas exporter Saudi Aramco.
Gradiant China to target industrial ZLD and wastewater market
Gradiant Corporation has established Gradiant China to provide industrial wastewater solutions and zero liquid discharge (ZLD) technology to the Chinese market.
GE expands HERO licensing agreement
GE Power & Water announced on 1 February 2011 that it has completed a new expanded licensing agreement to allow it to continue offering High Efficiency Reverse Osmosis (HERO) systems to help more of its industrial customers increase their water usage efficiency and reuse capacity.
Biwater to supply UF and RO systems to California replenishment project
Biwater, UK, has won a contract to design, supply and supervise ultra-filtration and reverse osmosis systems for Southern California's Groundwater Reliability Improvement Program.
GE signs Saudi Arabian wastewater-reuse MOU
GE has signed a memorandum of understanding (MOU) on wastewater reuse with Miahona, a subsidiary of the Arabian Company for Water & Power Development Ltd.
GE forms salt-extraction consortium in Australia
An agreement which brings together GE, Penrice Soda Holdings Ltd, Australia's only manufacturer of soda ash and sodium bicarbonate, and Australian coal-seam gas (CSG) producer QGC Pty Ltd was announced on 24 October 2011.
Veolia in mineral recovery partnership at inland desalination plant
Texas-based company, Enviro Water Minerals (EWM), is to deploy its novel mineral recovery technology in a partnership with water and waste giant, Veolia, to produce potable water from brackish water desalination effluent.
Energy Recovery announces deal duo
Industrial fluid pressure technology company, Energy Recovery, has announced its second US$ 1.8 million deal in recent weeks at sites in the Middle East and North Africa region. The latest win to supply its PX Pressure Exchanger system was for a 68 Ml/d desalination plant at an undisclosed site in the Middle East. It closed an earlier, similar deal in Morocco.
GE wins oilsands evaporator contract in Alberta
GE's water evaporation technology will treat de-oiled produced water, boiler and heat-recovery steam-generator blowdown and brackish makeup water for Sunshine Oilsands at its West Ells project in Ft McMurray, Alberta, Canada.
Foxconn invests $30 million in ZLD to reduce intake from Lake Michigan, US
Taiwanese technology firm Foxconn is investing $30 million in a zero liquid discharge (ZLD) water reuse system at Wisconn Valley Science and Technology Park, Wisconsin, US.
Biwater gets Barclays backing for Caribbean SWRO plant
A Caribbean water and wastewater project, including a 10,400 m³/d seawater desalination plant, has received financial backing worth US$ 43 million from Barclays, backed by a UK Export Finance Guarantee.
Monterey boreholes reveal good slant-well conditions
California American Water (Cal Am) reported on 20 December 2013 that data from its ongoing investigation into subsurface slant well intakes for its proposed Monterey desalination plant were showing promising results.
Egyptian SWRO plant to use ERI pressure exchangers
Egypt's largest desalination plant being built at Marsa Matrouh is to be supplied with Pressure Exchanger (PX) energy-recovery devices by Energy Recovery Inc of California.
CaribDA opens registration for Aruba conference
The Caribbean Desalination Association (CaribDA) has opened registration for its 2012 Conference & Exposition 80 Years Of Desalination Makes For One Happy Island.
Desalia starts works on Egypt reverse osmosis plant
Spain's Desalia has started site works for a new, 24,000 m³/d seawater reverse osmosis plant west of Alexandria, Egypt near the city of Matrouh.
Sadyt chooses ERI pressure-exchangers for Ashdod
Israel's giant Ashdod desalination plant is to use PX-Q300 energy-recovery pressure-exchangers supplied by Energy Recovery Inc (ERI) of the USA.
Design/build RFQ issued for Monterey desalination plant
A request for qualifications (RFQ) was issued on 1 April 2013 by California American Water (Cal Am) for the desalination infrastructure component of its Monterey Peninsula Water Supply Project.
Second Chennai SWRO plant commissioned
The Nemmeli desalination plant in Tamil Nadu, India, was commissioned on 22 February 2013 by the state's chief minister, Selvi J Jayalalithaa. It is the second seawater reverse-osmosis (RO) plant to provide drinking water for the city of Chennai.
ERD comparison tool developed by WateReuse project
A tool to allow engineers to evaluate commercially available energy-recovery devices (ERDs) for reverse-osmosis (RO) systems has been developed under a research project funded by the WateReuse Research Foundation.
World's largest SWRO desalination plant operational
The world's largest seawater reverse-osmosis plant, the 624,000 m³/d Sorek plant in Israel, is now fully operational.
ClydeUnion pumps for Kindasa desalination expansion
UK-based ClydeUnion Pumps has been awarded a contract by Kindasa Water Services to supply pumps for an additional train for the existing Kindasa seawater reverse-osmosis (SWRO) desalination plant in Saudi Arabia.
Perth desalination expansion to use ERDs from ERI
The expansion to the Southern Seawater Desalination Plant in Western Australia is to use PX Pressure Exchanger energy-recovery devices as were used in the original plant.
Cadagua selects PX devices for Al Zawrah desalination
PX energy-recovery devices have been selected for the 45,000 m³/d Al Zawrah seawater reverse-osmosis (SWRO) desalination plant in Ajman, UAE, by the consortium led by Spanish company Cadagua.
Westgarth wins another offshore SWRO contract
VWS Westgarth has been awarded a contract by SBM Inc for the design, procurement and supply of equipment and provision of construction technical assistance for a single lift module seawater sulphate reduction package (SRP) system for SBM's existing installation, FPSO (Floating Production, Storage & Offloading vessel) Xikomba off Angola.
ERI chief calls for less plant downtime
The new CEO of Energy Recovery Inc (ERI), Tom Rooney, in an interview with Desalination & Water Reuse (D&WR) at the International Desalination Association's World Congress in Perth, Australia, on 7 September 2011, revealed that the company was now focusing on the issue of plant utilization.
Methane to power Queensland CSG desalination plant
A desalination plant in southwest Queensland for the burgeoning coal-seam gas (CSG) industry is to be built by a consortium of GE and Laing O'Rourke for leading Australian gas explorer and producer QGC.
Cadagua orders ERI PX-Q300s for Morocco project
Spanish desalination contractor Cadagua has ordered PX‑Q300 pressure‑exchangers from Energy Recovery Inc (ERI) for the first phase of the Jorf Lasfar seawater desalination plant in Morocco.
Chilean mine SWRO gets environmental approval
An environmental impact study (EIS) for a 26,000 m³/d desalination plant for a mining operation in northern Chile is reported to have been approved by the regional office of the Ministerio del Medio Ambiente (environment ministry).
Contractor strength drives investment grade rating for Carlsbad bonds
Credit rating agency, Fitch, has assigned an investment grade 'BBB-' rating to bonds issued for the under-construction Carlsbad desalination plant and associated networks in California.
Al Ghubrah desalination to use ERI energy-recovery devices
Energy Recover Inc is to supply its PX Q300 Pressure Exchanger® technology for the Al Ghubrah seawater desalination plant in Oman.
ERI pumps and ERDs selected for Bahamas desalination expansion
High-pressure pumps and energy-recovery technology are to be provided for the 18,500 m³/d expansion to the Blue Hills seawater reverse-osmosis desalination plant in the Bahamas by Energy Recovery Inc (ERI).
Second Isobarix ER unit installed in Mexico
Isobarix has installed its second commercial XPR energy-recovery unit for Memco Sistemas de Separacion SA de CV, who operate several seawater reverse-osmosis plants at resorts in Cancun and Los Cabos, Mexico.
ERI pressure-exchangers for Spanish desalination plant
The 50,000 m³/d Marina Baja-Mutxamel seawater reverse-osmosis desalination plant currently under construction near Alicante, Spain, is to be fitted with PX-260 energy-recovery devices.
Pretreatment adaptation for Namibian SWRO plant
A 400 m³/d seawater reverse-osmosis desalination plant in Walvis Bay, Namibia, is to be upgraded under a contract announced at the end of September by Aqua Services & Engineering (ASE).
Turks & Caicos SWRO goes to Aqua‑Chem
A contract for the supply and installation of a 300,000 GPD (1,135 m³/d) seawater reverse osmosis (SWRO) desalination plant the Turks Caicos Islands in the Caribbean has been awarded to Aqua‑Chem Inc.
ERI lands Al-Jubail contract in Saudi Arabia
Acciona Agua has awarded a contract to Energy Recovery Inc for PX Pressure Exchanger energy‑recovery equipment for the SWRO‑4 desalination plant in Al Jubail, Saudi Arabia.