News
A new gasometer for the Suez Group
Veolia Chile entrusts Micr’Eau with a €630,000 biogas treatment contract in Rancagua
This will involve measuring and burning excess biogas (CH4 and CO2) from household waste operated by Veolia at one of the largest landfills in Chile (300 to 400,000 inhabitants near Santiago).
This project will be carried out on the basis of the know-how of our long-standing partner Hofstetter, one of the technological precursors on the Kyoto Protocol to reduce greenhouse gas emissions.
Above 3D view of the future project
Supply of filtering media for water treatment
Micr’Eau has delivered several tens of tons of filtering media to its French and international customers over the past two months, such as:
- 20 T of GEH to treat arsenic in Chile
- 4T of Bayoxide E33 to eliminate arsenic for an agri-food manufacturer in France
- 10 T of Mangagran to treat iron and manganese in Tunisia
- 10 T of activated alumina at the SAURgroup in France for its drinking water units.
Installation of 2 gasholders for Suez in Benfeld
Micr’Eau’s teams carried out turnkey installation of two Sattler DMGS TM gasometers on post digesters as part of the modernization of the wastewater treatment plant financed by the SDEA in Alsace.
Arsenic treatment in the Atacama Desert
Micr’Eau, holder of a €621,000 FASEP project co-financed by DG Treasury in Chile, is currently on a mission to the Salar de Atacama to install two drinking water treatment units eliminating arsenic. These stations located in Toconao and Socaire will discharge 400 and 200m3/d respectively and will be able to treat up to 250 ppb of arsenic.
Terzeo: a first in arsenic decontamination on polluted soils
Micr’Eau, with its experience in arsenic treatment by adsorption filtration, has just signed a contract to clean up arsenic-contaminated soils with Terzeo (a subsidiary of the Clamens construction and waste group).
This ambitious project should make it possible to clean up an industrial zone in Ile de France and to continue the treatment of arsenic in a second phase concerning the industrial effluents of the same customer.
Did you know this? Micr’Eau can maintain your biogas works in France and abroad
Lille les Marquette Plant
Micr’Eau offers its services in terms of management of storage units and biogas flaring both on the brands it distributes in France and internationally such as Sattler and Hofstetter; but also it also ensures the follow-up and repair of equipment of colleagues who have disappeared from the market such as BSDV and VSO.
This is evidenced by its maintenance and operation contracts with Veolia in Brussels or Lille; or with Suez in Santiago de Chile, Versailles or Toulouse. Our French or Chilean teams (with AEC and ABM) are at your service and in a very short time to give you assistance on these biogas works so much in demand.
Micr’Eau supplies 28 T of GEH at one of Chile’s largest arsenic treatment plants
Micr’Eau has won with the water operator ESVAL (Valparaiso region) a public call for the supply of filtering media for arsenic treatment and the associated service (removal of the saturated media Bayoxide; installation of the new GEH and the filter underlay).
This contract will be executed during the November-December period with the support of our two Chilean subsidiaries AEC and ABM, dedicated to construction and environmental services.
The Punta Piedra station treats 7200m3/d of drinking water to supply the Serena and Coquimbo, two cities located 500 km north of Santiago de Chile.
Micr’Eau installs 6 biogas flares with a flow of 3600 Nm3/h at SIAAP (Paris) for Suez France
As part of the largest biomethane recovery market in France (+€200 million market), Micr’Eau participated this autumn in the installation of 6 Hofstetter flares with a 3600 Nm3/h biogas burning capacity. This delivery of key equipment for the biogas sector designed by the Suez group on behalf of SIAAP on the Achères wastewater treatment plant (8 million equivalent inhabitants) is part of the services provided by our company in France and abroad.
Latin America: a good year for gasholders
Micr’Eau had a successful year internationally in Latin America thanks to its sales of gasholders in Chile, Argentina and Mexico.
The first series of 3 gasholders is being installed in Buenos Aires for the AYSA water board (+5000 people).
The next ones will follow this autumn with Mapocho/Aguas Andinas to equip the capital Santiago de Chile, and in Mexico with Suez from Mexico City to Chihuahua

Micr’Eau deploys in the segment of gas holders and flares in the industrial sector
- Pronal (compact gasometer in container for an industrial sector resulting from R&D)
- Smurfit Kappa (dismantling of an Easter storer, followed by a mobile unit and a gasometer in container)
- Tereos (design and supply of a flare for a sugar site located in the Hauts de France)

Micreau completes the renovation of the 5000m3 gasometer for GRT GAZ in Alfortville

Micr’Eau, leader in France on specialty filtering media
Each in 3 different areas: hospital waters, municipal waters and mineral waters. In total about thirty tons of media GEH (iron oxide) and Actiguard (activated alumina) delivered this summer.
Micr’Eau cooperates with the CNRS
Micreau, thanks to the support of the “Find an Expert” service of the CNRS, has signed a technical cooperation agreement with the Institute of Chemistry of Clermont-Ferrand, a research laboratory of the CNRS and the University Clermont Auvergne and Sigma Clermont, to characterize the adsorption power of filter media applied in the elimination of arsenic.
With a very important tooling and a strong competence in the field of adsorbent media, this laboratory should allow Micreau to strengthen its technological knowledge in this market segment applied to drinking water but also to industrial and mining effluents.
To learn more about this collaboration, watch the joint video between the leader of Micreau and Mr. Claude Forano, professor at the University clermont Auvergne, which was presented on June 25, 2021 by the team of the “Find an Expert” service of the CNRS as part of the event “Connexion Days” organized by the LAB’O village by CA , crédit Agricole Centre Loire, the technopole and the metropolis of Orléans.
Micr’Eau wins new biogas projects
Micr’Eau starts biggest arsenic contract in Santiago, Chile
Micr’Eau has started a GEH media change project in Quilicura, one of Chile’s largest drinking water stations (540m3/h) treating arsenic.
Supply of filter media in France and internationally
In the first half of the year, it delivered more than 50 tons of media on the French market and in Chile to its customers such as Saur, Air Eau Système , SDEA (67), RLV (63) in the arsenic market as well as that of iron and manganese or fluorine.
In Chile, despite the Covid crisis, a 40-foot container for 20 tons of GEH is expected in the coming weeks to supply its municipal and industrial customers such as Wes Chile, the San Pedro d'Atacama RP Or Toconao and Chile's private water dealers.
Biogaz Mexico and Argentina
Micr'Eau as part of its international development has secured more than 350,000 euros in contracts in Latin America with a contract for Suez de Mexico for the Chihuahua treatment plant where it will supply a gasometer that stores 2650 m3 of biogas; as well as for the main Buenos Aires station of Barros Sur Oeste for 3 gasometers of 1400m3 of capacity.
These projects are being manufactured in Europe and will be delivered this spring by our teams.
FASEP in Chile
Micr'Eau launched its FASEP project in Chile this winter to bring all its technical expertise on the ability of isolated sites in the arsenic-contaminated Antofagasta region, such as below in Toconao and Socaire at an altitude of 3,500m; In addition, in this project Micr'Eau will develop services to take over saturated media to regenerate them and give them a second life, thus contributing to the improvement of the environmental environment on soil pollution and thus bringing an operating economy to the indigenous communities it will manage in the Salar of Atacama. This project is planned to take place in the year 2021 and will occupy a dozen people in France and Chile. As a reminder, this project is financed by France to the tune of 521,000 euros as part of the programme to relaunch SMEs from the environment sector.
A mega contract for Micr’Eau in Chile
This project is established for 3 years and concerns 5 adsorption filtration treatment plants in the capital operated by Aguas Andinas: Quilicura antigua y nueva, San Antonio, Lampa, lo Pinto.
With the support of its Chilean mining services partner, Cobre Y metales (80 people), Micr’Eau and its subsidiary AEC will have to manage the change of more than 300 T of GEH-type adsorbant media saturated with arsenic during drinking water filtration. This new mega-reference is in addition to the 80 installations already followed by the group around the world.
Micr’Eau benefits from recovery plan
Micr’Eau distributes GEH filter media in Chile
Fasep Chile Signing Ceremony
The project will be to build two arsenic processing units and a saturated media regeneration centre to serve industrial and municipal customers in northern Chile.
This signing ceremony was held at the French Ambassador’s house in Santiago in the presence of the Economic Mission and the elected representatives of the Northern Region as well as the President of the Micr’Eau group Pascal Guasp

A 5000m3 turnkey gasometer project for GRT Gas
Cooperation with Eramet in Argentina at the Salta mining site
Biogas: Micr’Eau’s know-how is exported to Argentina
Assembly of 2 gasometers for Veolia in Ariège
Fasep project in Chile for arsenated waste in the Antofagasta region
Micr’Eau is entrusted with the provision of filter media for the treatment of arsenic by SAUR
5 .5 Tons of media made in Germany specifically for the SAUR group which manages one of the largest parks of water treatment plants eliminating arsenic.
Here is the new challenge of Micr’Eau, which for the sixth time in recent years supplies saUR with filter media throughout the French territory as:
- Eastern France
- Sologne
- Center (Creuse)


Micr’Eau wins the tender for the maintenance of the 5 flares at the Achères site operated by SIAAP
This tender won for 4 years confirms the logic of our company to deploy in the supply, installation and monitoring of flares after the gain of 6 new flares of 3600 Nm3/h awarded by the Suez group in 2019 to the Hofstetter-Micreau group for its Biogas sector on the same site. Achères is as a reminder the largest sewage treatment plant in Europe (8 Million Equivalent Inhabitants)
Micr’Eau opens its capital
Bioshell research and development program in partnership with ESCOM
A study for the supply of 2 gasometers for Suez Benfeld
Suez entrusts Micr’Eau with a preliminary study to supply two Sattler brand flexible gasometers for the Alsatian Benfeld project
Micr’Eau, with its nearly 20 years of experience with all the technical solutions developed with the Sattler group in the field of biogas storage, is entrusted by Suez France (Strasbourg agency) with detail studies of the installation of two gasometers on post digesters as part of the contract of work won by this group on behalf of the SDEA.
The objective is to size two stockers with a total volume of nearly 1000 m3 of biogas produced by the methanization of sludge from the treatment of wastewater from the Benfeld desure plant (67).
This study will result in the completion of these biogas storage works from 2021 before being injected into the grid.
Micr’Eau installs two Sattler biogas storage facilities in Brussels south
With these two units and those it manages in maintenance in Brussels North on behalf of Veolia, Micr’Eau owns all the units storing biogas in the Belgian capital.
Chile: the Micr’Eau group sets out again to conquer construction and services markets in the water and arsenic sector
After having participated in several contracts for the construction of drinking water stations in the mining (Teck Bechtel north Chile) and urban (Sembcorp / Santiago de Chile) fields totaling more than 10 million euros, Pascal Guasp and his Franco Chilean teams are now setting out to conquer markets for the operation and maintenance of water treatment units with their local partners: Cobre y Metales and Molambiente, two Chilean SMEs employing more than 200 people in the mining and community services sector .
This targets markets previously won in construction as well as industrial customers in northern Chile made up of world leaders such as Codelco (in copper) and SQM (in lithium).
Micr’Eau sets up a pilot arsenic treatment unit by GEH
As part of its distribution contract with the company Wasser Chemie, the company Micr’Eau set up in August 2020 an arsenic treatment unit in thermal waters (temperature 34 degrees) using its filter Arsepur and the GEH media produced by its partner in Germany. This standardized unit is intended to equip any community or industry having concerns about contamination with arsenic, selenium, antimony etc …
Contact us for any order of GEH in big bag of 800kg or bag of 25 KG
Micr’Eau delivers Bayoxide E33 in France to treat arsenic
This summer, Micr’Eau urgently supplied the SDEA (Syndicat des Eaux d’Alsace et de Moselle) with Bayoxide E33, an iron hydroxide approved for the treatment of arsenic in drinking water in France in order to comply with health standards set at 10 micrograms per liter for one of the 400 municipalities managed by this intercommunal syndicate.
For nearly 15 years, the Micr’Eau group has distributed several hundred tonnes of this product for around fifty customers in France and on all continents.
Consult us if necessary for a quotation in 25 kg bag or 750 kg big bag.
Comissioning in Ginestous Toulouse
Characteristics of the material:
2000m3 of storage and 1000 Nm3/h of biogas flaring.
Total value of investment – $200,000
Construction time 1 year (2019/2020)
Micr’Eau is hiring
The internship may be relocated to central France (Auvergne region) or Hauts de France (Lille region) depending on the detailed content of the service to be provided and the candidate's interest in the position and its geographical proximity to one of two targeted centres.
The candidate will have to:
-show real motivation to work as a team with different industrial partners,
-mastering drinking water subjects (water treatment and water chemistry in particular);
– practice at least one foreign language (German, Spanish or English) professionally
The internship will be paid according to the agreements in force with universities or large schools.
The internship would start from mid-September 2020.
Contact: Pascal guasp executive by sending cover letter and CV
By email: P.guasp@micreau.fr
Micreau assembles a gasometer for Octeva in Calais
Mounting a Hofstetter torch and a Sattler gasometer for OTV Grand Paris in Bonneuil (95)
Micreau and its construction teams have achieved the feat of mounting in less than a week two major equipment for the future station of Bonneuil in France (SIAAH- 500,000 Eq Habitants):
– A 1500m3 Sattler brand biogas stocker (Germany)
– A 600 Nm3/h Hofstetter capacity flare (Holland)
These two imposing equipments: torch 7m high and gasometer 10m high, will allow the biogas line designed by OTV to ensure storage and security of the process.
The combined amount of this transaction represents an investment of more than 160,000 euros HT.

Recent news on the resumption of biogas sites in France after deconfining:
1/ Micreau has just completed the Kerry project in the PACA region in May for the coverage of a high-rise gasometer on an industrial station operated by SAUR. This project carried out in one week mobilized 5 people from our company to resume operation within 8 days.
2/ Micreau will start the Hofstetter torch and Sattler gasometer installed by its care at the Ginestous/Toulouse treatment plant built by OTV Sud Ouest (Veolia Group) at the beginning of July.
3/ In June we install the Sattler gasometer on the Octeva site (Urbaser group) to store biogas from the methanisation of household waste in the Calais region.
Technical developments on arsenic in France and Chile
1. Micr’Eau filed a file for the I-Nov call for projects on May 12, 2020 on the ADEME platform to launch an in-depth research on the management of arsenic-related filter media and the treatment of arsenic in effluents.
2. In Chile, its subsidiary is continuing technical cooperation with Corfo, Chile's research and development finance agency, as part of a circular economy programme allowing it to test media filters saturated drinking water treatment plants, with the experimental fields located on the capital Santiago de Chile.
Micr’eau Group confirms new business in the arsenic and drinking water sector in France
1. For the haute Ariège union with pilot trials at a spa site to validate an adsorption filtration treatment line planned this summer.
2. In the central massif, the evacuation of GEH saturated from the largest arsenic treatment plant in terms of pollution
3. In the Paris region, the Micr’eau group acquires a high-concentration arsenic treatment pilot from research on micro-fibers and ion exchange resins
With these varied services, the Micr’eau Group confirms its leadership in the arsenic sector in France from the conception, to the commissioning of treatment units as well as the associated SAV.
Micreau is entrusted with an audit mission at the Alsatian site of Roquette frères for the storage of biogas
Micr’Eau and its leader Pascal Guasp, who has represented Sattler for 20 years in France, will soon be working in May on the roquette frères site in Alsace to audit the biogas storage facility of the yeast manufacturer.
Storage specialist in all its forms Sattler and its French partner have jointly built more than 60 biogas units in France and on all continents.
Micreau continues its technical partnership with the ERAMET Group in Argentina
By remotely following the ultra-pure water treatment unit it installed last year on the salar de los Ratones at 4000m in the north of the country; by respecting the rules imposed by COVID19 of strict compliance with containment but using the teletransmission means existing between France, Chile and Argentina, the Micr’Eau group will provide a technical assistance mission for the operation and maintenance of this very advanced unit.
A new biogas storage contract with the Agro Food Group Kerry
Kerry leader, one of the world’s leading agribusiness companies (26,000 people), an Irish-born group, is one of our new customers in the biogas sector.
The Grasse site has just placed an order in Micr’Eau for the installation of a gasometer on lNG to replace the old system of its treatment process. Micr’Eau will supply and install the DMGSTM model developed by its partner Sattler, the world leader in biogas storage.
The Micr’eau Group has just completed two new business of supplying filter media for the treatment of arsenic in drinking water in France
With these two new cases delivered in April 2020, the Micr’Eau Group and its leader Pascal Guasp, have installed and supplied in media filtering hydroxide iron (GEH or Bayoxide ) more than 80 arsenic processing units over the past ten years in France, Europe, South East Asia and South America, making it one of the world leaders in the sector.
Expomin 2020
Due to COVID 19 the Expomin exhibition, the main mining industry fair in Latin America which was to be held from 20 to 24 April 2020 in Santiago de Chile is postponed from 9th november to 13th november 2020. Micr’eau and its subsidiary AEC will be delighted to welcome you to discuss your water treatment or biogas projects.