Use of Biomass to be Produced from Red Sea Algae in the Production of Valuable Bio-components

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The consultancy of the project carried out by Kırıkkale University with the feasibility support provided by Ahiler Development Agency was done by GTE. In the project, it is aimed to reduce negative environmental impacts by using microalgae production and wastewater treatment synergistically and to provide commercial benefits for different sectors of algae biomass.

The project was completed in February 2021. During the feasibility study, a technical/economic feasibility study was conducted for a pilot plant for an innovative microalgae system that will provide nutrient recovery by treating wastewater with an intersectoral “symbiotic approach”.

Exploring Industrial Symbiosis Possibilities for Food Chain Waste

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A project to explore industrial symbiosis opportunities for food chain waste was carried out in Antalya with the Fund for the Third Phase of the Civil Society Support Program (CSSP-III) of the Turkish Food Rescue Association. The project, which started in 2019, was completed in 2020.

Technical field studies were carried out by GTE within the scope of the project. In the light of the information obtained, potential industrial symbiosis opportunities that stand out in the sector were investigated and a workshop was held.

Media Recovery and Value-Added Fertilizer Production from Biogas Plant Wastes

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“Media Recovery from Biogas Facility Wastes”, under the direction of METU Environmental Engineering Department (Assist. Prof. Dr. Yasemin Dilşad Yılmazel), where Cranfield University (Dr. Imma Bortone) and GTE are the project partners and SÜTAŞ is the beneficiary. and Fertilizer Production with High Value Added project was supported by the Katip Çelebi-Newton Fund under the joint program of the Royal Academy of Engineering (United Kingdom) and TUBITAK.

The main purpose of the project is to transform wastewater, which causes significant environmental problems when not treated sufficiently, into valuable products. Within the scope of the project, which will last for 2 years, the use of nitrogen (N) and phosphorus (P) compounds, which can cause various operational problems in biogas plants and are found extensively in wastewater, for the production of “Struvite”, a valuable fertilizer, will be investigated.

Investigation of the Conditions of Use of Iron Oxide Wastes in Sütas Biogas Facilities

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GTE carried out the Turkey Material Marketplace (TMM) R&D project supported by the EBRD with Sutas A.Ş. In the project, instead of FeCl3, which is used as H2S scavenger in the biogas facilities of SUTAS A.Ş., the use of iron oxide wastes from the metalworking industry was evaluated. In this context, analyzes were carried out on the waste samples taken from Beycelik Gestamp A.S. and the feasibility of the application, which was tested at Sutas biogas facility, was studied by GTE.

According to the results obtained in the developed R&D project, it has been seen that the waste going to the landfills in the current situation has the potential to be evaluated. With the realization of the project, a total of 324 tons of iron oxide waste will be used annually. The proposed industrial symbiosis implementation will yield a net annual savings of €78,450 with a payback period of 3.4 years. Considering the rapidly growing biogas market, although there are 85 biogas plants operating in Turkey, the demand for remedial chemicals in biogas is expected to increase further soon.

The other project we realized with SUTAS:

Eco-Industrial Park Transformation in Izmir: Green IAOZB Project

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The “Eco-Industrial Park Transformation in Izmir: Green IAOZB Project”, which is being carried out by the Izmir Atatürk Organized Industrial Zone (IAOZB) management with the feasibility support received from Izmir Development Agency (İZKA) and supervised by GTE, was completed in December 2019.

In the project, it was aimed to determine the technical application possibilities suitable for IAOZB and to reveal a sustainable management model in accordance with the purpose of transforming IAOZB into an Eco-Industrial Park (EEP). Within the scope of the study, field visits were made to 57 companies as a result of the preliminary interviews conducted over the phone with 170 companies operating in the food, textile, chemical, plastic, metal and motor vehicle sectors, which stood out in the IAOZB, and questions were administered within the scope of the survey.

With the activities carried out within the scope of the project, environmental, economic, social, and sustainable management model issues were discussed. Considering the environmental gains that can be achieved in the case of the realization of the projects with the feasibility; Annual savings of approximately 3 million m3 of water and 795 MWh of energy are anticipated. It has been determined that the economic gains that can be obtained are amortized in approximately 4.8 years, with the cost of the required investments being approximately 4.8 million USD.

Modelling of Industrial Symbiosis and Cleaner Production with Renewable Energy in Malatya Locality Project

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Malatya Metropolitan Municipality implemented the Project of Modelling Industrial Symbiosis and Cleaner Production with Renewable Energy in Malatya Locality in 2020, and a feasibility report was prepared in this context.

Malatya Metropolitan Municipality aims to provide a sustainable environment and to develop locally by reducing energy dependence by evaluating the waste sludge treated in the wastewater treatment plant of the Maski General Directorate and released as a pollutant to the nature and the sludge of the Organized Industrial Zone treatment plant.

In the project, drying and burning the sludge and converting the heat energy released into electrical energy, meeting the institutional energy expenditure; Scenarios of generating income by using the inert heat of Solid Waste Integrated Environmental Management Facility belonging to Malatya Metropolitan Municipality and selling the excess amount of produced energy or drying the sludge using inert heat and generating income by selling the dry sludge have been studied. Within the scope of the project, it is aimed to develop industrial relations and ensure resource efficiency with the new power generation facility planned to be established.

Use of Metal Corrosion Waste in the Production of High Value Coagulants

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Turkey Material Marketplace (TMM) R&D project supported by EBRD SAUERESSIG Prepress Preparation Systems San. Trade Inc. carried out together with the overall aim of the study was to investigate the regeneration feasibility of rotogravure cylinder production waste (e.g., FeCl3) to develop high performance coagulant that can be used commercially in various industries.

This R&D project will guide the applicable technological options for the purification/regeneration of ferric chloride (FeCl3) wastes, and it is anticipated that the results of the study will help direct the ferrous chloride waste to more useful and valuable industrial applications, rather than sending it to waste disposal sites. Within the scope of the project, technical, economic, legal, and environmental evaluations of potential waste exchange were made.

Another project we have done with the EBRD:

Exploring Eskisehir Industrial Symbiosis (ES) Possibilities

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The “Eskisehir Industrial Symbiosis (ES) Possibilities Research Project”, conducted by Bursa Eskisehir Bilecik Development Agency (BEBKA) and technically supervised by GTE, was completed as of December 2019. Within the scope of the project, industrial symbiosis potentials between the companies in Eskisehir were revealed with the cooperation of Eskisehir Organized Industrial Zone (EOZB) and Eskisehir Chamber of Industry (ESO). In this framework, while targeting resource efficiency and competitive advantage in companies, environmental and economic gains that companies will achieve as a result of their cooperation are evaluated.

Within the scope of the project, the prominent sectors in Eskisehir were determined, surveys were conducted and. Field studies were completed by visiting 50 companies and 5 institutions. The synergy workshop of the project was held on April 2, 2019, with the participation of 71 people representing 43 companies and institutions from various sectors. Among the 217 possibilities identified, 5 industrial symbiosis opportunities, which were considered as high priority, could create potential, and could be implemented as a pilot project, were determined and feasibility concept notes were prepared.

Considering the environmental gains that can be achieved in the event of the realization of these 5 projects; Annual savings of approximately 88 thousand tons of raw materials, energy savings of 3-30%, and reductions in CO2 emissions of 13-50% are envisaged. The economic gains that can be achieved are a decrease in production costs of approximately 2 million TL and a decrease in transportation costs of approximately 1.5 million TL.

Another project we realized with BEBKA:

Investigation of Industrial Symbiosis Opportunities in Aksaray Organized Industrial Zone

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The “Investigation of Industrial Symbiosis Opportunities in Aksaray Organized Industrial Zone Project”, which was initiated under the leadership of Ahiler Development Agency and carried out by the joint venture of GTE and Ekodenge companies, was completed in 2018.

Within the scope of the project, environmental/economic cooperation potentials (waste exchange, joint/reverse logistics, joint emergency plans, etc.) that companies operating in and around Aksaray OIZ could benefit from were investigated. Sectors that have a significant economic value (number of firms, turnover, employment, etc.) and/or create significant environmental impacts (resource use, waste generation, carbon emissions, etc.) in the Aksaray region have been identified.

As a result of the literature review for prominent sectors, various industrial symbiosis possibilities have been identified that can serve as an example. A total of 54 facilities and 10 institutions operating in the identified priority sectors in the provinces of Aksaray, Kırıkkale, Kırşehir, Nevşehir and Niğde were visited, and a synergy workshop was held afterwards. Based on the evaluations made after the technical visits to the companies and the synergy workshop, feasibility concept notes were prepared for 5 priority industrial symbiosis possibilities.

Developing a Green OIZ Framework for Turkey

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T.R. The “Development of the Green OIZ Framework for Turkey Project”, which was initiated in November 2016 with the cooperation of the Ministry of Science, Industry and Technology and the World Bank Group, was completed in 2017. A comprehensive Green OIZ framework has been developed for Turkey with the project, in which GTE is the consortium leader, and Carbon Trust and Environmental Resources Management (ERM) companies are involved as consortium partners.

In the project, it was aimed that OIZs provide sustainability and resource efficiency with practices such as industrial symbiosis, recycling, energy saving in production units, and green competitiveness opportunities were determined.