A Comprehensive Review: Top 20 Agricultural Technology Investment and Financing Deals in 2023

9. Loam Bio (Australia) — Agreena, an agricultural soil carbon startup, secured a €46 million (US$50 million) Series B funding round led by Germany’s HV Capital, with participation from AENU, Anthemis, Gullspång Re:food, Kinnevik, and the Danish Export and Investment Fund. The funds will support its Soil Carbon Program, which provides financial incentives to farmers transitioning to regenerative agricultural practices. 10. SAEL (India) — SAEL, a company converting agricultural waste into renewable energy, received a US$60 million investment from Norfund’s Norwegian Climate Investment Fund. This investment is expected to reduce over 2.8 million tons of CO₂ emissions by curbing open-field straw burning. 11. Bluepha (China) — Biomaterials company Bluepha raised US$58 million in a Series B round led by Zhongping Capital. The company is developing a suite of natural biopolymers to support downstream enterprises. 12. Halter (New Zealand) — Halter secured NZ$85 million (US$53.3 million) in a Series C round led by Bessemer Venture Partners and co-invested by Blackbird Ventures. Halter focuses on developing solar-powered smart cattle collars and other livestock management technologies. 13. Ecorobotix (Switzerland) — Agri-robotics startup Ecorobotix raised US$52 million in a Series B round co-led by Aqton PE and Cibus Capital. The funds will support development of autonomous, precision-spraying robots for row crops and pastureland. 14. Agreena (Denmark) — Agreena’s Soil Carbon Program secured a €46 million (US$50 million) Series B round led by Germany’s HV Capital, offering financial incentives to farmers adopting regenerative agriculture practices. 15. Aemetis Biogas (USA) — Aemetis Biogas, a subsidiary of biofuel company Aemetis, raised US$50 million in a debt financing round. Backed by a loan guarantee commitment under the USDA’s Rural Energy for America Program (REAP), the funds will finance construction of dairy biogas digesters. 16. Green Genius (Lithuania) — Renewable energy firm Green Genius secured a US$50 million financing package from Poland’s mBank to build a 69-MW solar power plant in Poland—the largest deal Green Genius has closed in the country to date. Green Genius also has other solar projects under construction in Poland. 17. Bio-Engine (China) — Bio-Engine, a developer of serum-free cell culture media for human and animal cells, raised over RMB 300 million (approx. US$41 million) in a Series C round led by Newerli Capital in May this year.

What is a black-membrane biogas digester? Applications and case studies of anaerobic lagoons—engineering design and construction

Introduction to Black-Membrane Biogas Digesters: Also known as 'fully enclosed anaerobic lagoons', black-membrane biogas digesters are ultra-large-scale integrated facilities combining fermentation and biogas storage. Constructed using HDPE impermeable geomembranes to form a sealed space, they rely on anaerobic bacteria to decompose substrates such as livestock manure and industrial organic wastewater, thereby producing biogas while simultaneously treating wastewater. Their construction cost is only about one-tenth that of conventional biogas digesters; they offer high gas production efficiency, simple maintenance, and can remove over 85% of COD (Chemical Oxygen Demand) and over 90% of SS (Suspended Solids), making them suitable for applications across diverse scales. Black-Membrane Biogas Digester Design & Construction Services: +86 158-5360-8052 In practice, black-membrane biogas digesters serve large-scale livestock farms, industries discharging high-strength organic wastewater, and remote rural communities. Farms use them to treat manure and generate biogas for energy; industries employ them for pollution control and coal substitution; and rural communities utilize them for centralized gas supply—thereby resolving pollution issues while generating energy value and economic returns, supporting circular development. Specific application scenarios are as follows: I. Agricultural Sector Large-Scale Livestock Farms: This is one of the most core application scenarios for black-membrane biogas digesters—especially suitable for mega-farms such as those housing 10,000 pigs or 1,000 dairy cows. Feedstock Sources: Daily livestock manure (e.g., pig or cow manure) and farm wastewater (e.g., washwater from barn cleaning), eliminating the need to source large volumes of external feedstock and enabling 'on-site utilization'. Core Functions: First, anaerobic fermentation converts manure and wastewater into biogas, which can be directly used within the farm—for example, heating pig or dairy barns, lighting and cooking in staff residential areas; larger farms may even generate electricity using biogas to supplement on-site power needs. Second, post-fermentation wastewater undergoes treatment achieving over 85% reduction in COD and over 90% reduction in SS, making it suitable for farmland irrigation; meanwhile, the residual sludge (digestate) serves as organic fertilizer returned to fields—thus solving manure pollution problems and establishing a circular agricultural model of 'livestock farming → manure treatment → biogas → crop cultivation'. Typical Case Study: A 10,000-head pig farm constructed a 5,000 m³ black-membrane biogas digester, processing approximately 200 tons of pig manure wastewater daily. Of the biogas produced, 80% is used for on-farm heating and staff living needs, saving around RMB 200,000 annually in energy costs; the remaining biogas powers a generator, producing 150,000 kWh annually, with surplus electricity fed into the grid. Treated effluent irrigates 200 mu (≈13.3 hectares) of surrounding farmland, while the digestate is sold to local growers, generating an additional annual income of RMB 30,000. II. Industrial Sector Industries Discharging High-Strength Organic Wastewater: Primarily applicable to food processing plants, breweries, pulp mills (papermaking), and slaughterhouses—industrial facilities generating high-concentration organic wastewater. Feedstock Sources: Organic wastewater generated during production processes—e.g., fruit juice or canned-food processing wastewater from food plants, distillery stillage from breweries, blood and washwater from slaughterhouses—all rich in organic matter readily degradable by anaerobic bacteria, thus serving as high-quality fermentation feedstocks. Core Functions: First, treating industrial organic wastewater to lower pollutant discharge levels, ensuring effluent meets either Grade I or Grade II discharge standards stipulated in China’s Integrated Wastewater Discharge Standard (GB 8978–1996), thereby preventing environmental contamination from direct discharge. Second, generating biogas to replace conventional energy sources—e.g., fueling factory boilers—to reduce consumption of externally purchased coal or natural gas, lowering production costs and cutting carbon emissions.

Aemetis Activates Two New Dairy Digesters, Secures Agreements with 50 Dairies

3 days ago

Aemetis Biogas activated two new dairy digesters, totaling 14 units expected to produce 600,000 MMBtu of renewable natural gas annually. Agreements with 50 dairies cover further installations, with the first RNG fueling station planned for California soon.

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