PV Sons Corn Milling gets first Bühler Prime Masa plant in India

Healthier nixtamel corn flour with less water and energy

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Parag Chheda 3rd from left and the Chheda family at the PV Sons plant in Ranjangaon in Pune Photo Bühler
Parag Chheda 3rd from left and the Chheda family at the PV Sons plant in Ranjangaon in Pune Photo Bühler

In March 2022, Bühler handed over its first Prime Masa plant in India – the second Prime Masa plant worldwide – to PV Sons Corn Milling in Ranjangaon in Pune in Western India. The innovative plant is designed to consume 84% less water and 52% less energy compared to a traditional nixtamalization process, and with 96% less waste, among other benefits.

The Prime Masa plant is a solution for corn flour, which is used to make tortillas and nachos. Tortillas and tortilla chips have long been appreciated and consumed in Latin and North America but are gaining popularity in other regions, including India. India is one of the top 10 maize producers in the world contributing 2-3% of the total maize produced globally. And the country is one of the top five maize exporters in the world. This did not go unnoticed by PV Sons Corn Milling, a family-owned business established in 2006 and one of the market leaders in the corn processing sector, who approached Bühler for the novel Prime Masa Nixtamal process.

PV Sons’ managing director Parag Chheda says, “Our association with Bühler is since the inception of PV Sons in 2006. At that time, we chose Bühler as it was the best equipment manufacturer for grain milling, perhaps holding the No. 1 rank. Over time, Bühler has proved its mettle. Their machines have proven extremely reliable – work long hours without breaking down. Bühler’s performance in grain milling is like Mercedes in automobiles.”

PV Sons produce four main products at the Pune plant – cornflaking grit used as raw material for breakfast cereals, corn meal used as a raw material used by the snack industry for extruded snacks and by breweries, degerminated corn flour used by bakeries and also the snack and cereal industries. Its fourth product is hominy feed used as cattle feed by the livestock and dairy industry.

After successful trials in Bühler’s Grain Innovation Center in Uzwil, PV Sons chose to integrate the line into their plant. The 4-ton-per-hour Nixtamal line was commissioned entirely in July 2021.

Chheda explains, “Prime Masa is a product of the future. We foresee the huge potential for Prime Masa. And it is the next progression for us – to offer a new and relevant product to our clients. We are extremely happy with the Prime Masa output. Its quality surpassed everything available on the local market. We knew we had a winner on hand, and we could place our bets on it.”

Tino Böhm, Bühler’s head of Business Segment Maize, says, “Once the commissioning was completed, we visited PV Sons in Pune and were inspired by their dedication. We could literally feel their satisfaction with the new line. We are convinced that PV Sons will establish itself well in the market and develop new and innovative products. Our greatest reward is a customer who is excited to see the performance of its plant and is happy with our work.”

Corn tortillas and tortilla chips are made from specially treated nixtamal corn flour. In traditional production, the corn is cooked with lime and afterward steeped for several hours before grinding. This process uses large amounts of water, producing plenty of wastewater, consuming substantial amounts of energy, and stripping the corn of important nutrients. For every kilo of maize processed, 1.5 liters of water are consumed, with most of this water leaving the process as wastewater.

Prime Masa Nixtamel process uses around 84% less water

Bühler’s pioneering Prime Masa process uses the latest in steam technology instead of cooking and soaking and therefore uses around 84% less water, enabling the production of tortilla flour with its typical flavor, as well as high quality and yield. The process uses only 150 liters of water, instead of 1,500 liters of water to process 1,000 kilograms of corn into nixtamalized corn flour. The steaming process is shorter than the traditional cooking process, which in turn leads to energy savings. The greatest advantage of Bühler’s nixtamal process is that wastewater is eliminated, and the flour has a higher nutritional value.

The Prime Masa plant at the PV Sons plant in Ranjangaon in PunePhoto Bühler
The Prime Masa plant at the PV Sons plant in Ranjangaon in Pune will use 84% less water, 52% less energy, and 96% less waste than a traditional nixtamel plant
Photo Bühler

Daniel Garcia, Process Development manager FAC (Food Application Center), explains the environmental gains and product improvement gains, “Reducing the water consumption by 84% and eliminating the wastewater (nejayote) brings great benefits to nixtamal producers. First, since the Prime Masa process does not have wastewater, water does not have to be pumped, heated, or treated, consequently reducing the overall energy consumption. Second, nejayote is not just a waste of energy, it is also a waste of yield and nutrients. Given that there is no waste stream in the Prime Masa process and the healthier flour is produced in a more sustainable and earth-friendly way.”

For PV Sons, the Prime Masa plant means a reduction of energy consumption and waste. Additionally, according to the CO2 quantification method in the plant, PV Sons will reach a reduction of 26% of CO2e (CO2 equivalent), compared to the traditional nixtamalization process.

PV Sons is a family-run business that has become one of the leading grain milling companies globally, through continuously innovating and offering superior quality processed corn products. With its 360 metric tons of production capacity per day the plant exports to over 20 countries. PV Sons say that venturing into Prime Masa opens a world of new opportunities that the company is keen to explore further.

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