…by Pandurang Landge, President, Manufacturing, Deepak Fertilisers and Petrochemicals
The fertiliser industry has long been a cornerstone of global agricultural systems, playing a critical role in ensuring food security and supporting crop yields for a growing population. At the same time, it is among the more energy-intensive sectors within the industrial ecosystem and faces significant environmental challenges, particularly in terms of energy consumption, emissions, and resource management.
As global priorities increasingly shift towards sustainable and responsible industrial growth, cleaner production (CP) standards are emerging as an important pathway for manufacturers to balance productivity with environmental responsibility. This is especially relevant for India, where the fertiliser industry plays a strategic role in strengthening agricultural productivity while aligning with the country’s broader sustainability and climate commitments.
The Imperative for Cleaner Production in Fertiliser Manufacturing
Fertiliser production, especially the manufacture of ammonia and phosphate-based fertilisers (NPKs and urea), is highly energy-intensive and environmentally taxing. In India, the fertiliser industry is the third-largest energy-consuming sector, contributing to both air and water pollution.
However, the need for cleaner production practices in fertiliser manufacturing goes beyond regulatory compliance. It is about ensuring the long-term resilience and relevance of the industry in an increasingly environmentally conscious world. For manufacturers like us, adopting cleaner production techniques is essential not only to reduce environmental impact but also to remain competitive in a market where sustainability is emerging as a key differentiator.
Environmental Challenges and the Need for Change
India’s fertiliser industry has long relied on imports to meet domestic demand. However, with the goal of achieving 73% domestic production by 2025, the focus has shifted towards improving sustainability. Increasing local production can reduce emissions linked to the transportation of fertilisers and raw materials, while also easing pressure on foreign exchange reserves. Moreover, the growing demand for fertilisers necessitates more efficient and sustainable production methods to minimise environmental impact.
The government’s focus on achieving greater self-sufficiency presents an opportunity to promote cleaner production practices, alongside offering products that enhance nutrient use efficiency (NUE). The industry must address key environmental challenges, including high energy consumption, soil contamination, air pollution, and water usage in manufacturing. Adopting sustainable technologies that reduce energy consumption, optimise fertiliser application, and improve waste management will be critical to addressing these challenges.
Key Innovations in Sustainable Fertiliser Production
The Indian fertiliser industry is making steady progress towards cleaner production through technological advancements. As the government pushes for higher domestic output, manufacturers are increasingly investing in energy-efficient systems such as cogeneration technologies, which capture and reuse waste heat, improving plant efficiency while reducing emissions. At the same time, the adoption of carbon capture and utilisation (CCU) technologies can help reduce CO₂ emissions by converting captured carbon into useful products such as synthetic fuels and chemicals.
In parallel, advanced water recycling and wastewater treatment systems are enabling manufacturers to reduce freshwater consumption and prevent contamination of local water bodies. Importantly, given the substantial reliance on imported raw materials such as ammonia, potash, and phosphates, manufacturers are also focusing on specialty fertilisers. These are designed to improve farm yields, enhance shelf life, and reduce overall fertiliser usage through higher nutrient use efficiency. Additionally, crop-specific and soil-specific solutions, supported by agri-tech, are helping optimise fertiliser application.
Global Standards and Regulatory Frameworks Shaping the Industry
The fertiliser industry is operating in an increasingly stringent regulatory environment. Globally, frameworks such as the United Nations Sustainable Development Goals (SDGs) are pushing industries to reduce their environmental impact, making sustainability alignment essential. In India, initiatives such as standards set by the Bureau of Indian Standards (BIS), along with global frameworks like ISO 14001 for environmental management, are guiding this transition.
At the same time, the government’s push to reduce reliance on fertiliser imports is not only an economic priority but also a sustainability measure, as greater domestic production can lower transportation emissions and strengthen agricultural resilience. As policies evolve, India’s fertiliser industry is working to balance rising demand with environmental responsibility by investing in cleaner production technologies and aligning with global sustainability standards.
The Path Forward: Overcoming Barriers and Embracing Sustainability
While the shift toward cleaner production presents significant opportunities, several challenges remain. High upfront investments in sustainable technologies can be a barrier, particularly for smaller manufacturers. Additionally, there is a need for greater industry-wide collaboration to share knowledge and best practices. However, with supportive policies, incentives, and increased investment in research and development, the sector can overcome these barriers. As the industry evolves, embracing cleaner production through energy-efficient technologies, crop- and soil-specific fertilisers, optimised fertigation practices, and waste reduction will be critical to meeting agricultural demand responsibly.
Conclusion
The fertiliser industry is at a critical juncture. The shift towards cleaner production is no longer optional; it is essential for the industry’s future. By investing in advanced technologies, improving resource efficiency, developing high-tech crop-specific products, promoting balanced fertigation and enhancing nutrient use efficiency, the sector can transform into a more sustainable and resilient industry.
Cleaner production is not just about meeting regulatory requirements; it is about future-proofing the industry while contributing to a greener and more sustainable agricultural ecosystem. Now is the time to act, and the fertiliser industry must rise to the occasion.
