Case Studies

Ethanol Final Filter Improve Plant's Final Product Quality in Two Days

After commencing an enzyme trial, an upper Midwest ethanol plant discovered elevated sulfate levels as fermentors were cycled through the plant. Out of spec ethanol cannot be marketed, and plant operations needed to act quickly to fix the product to avoid costly product rejection fees or plant shutdown. The plant was familiar with Kurita America’s ethanol industry experience and the Ethanol Final Filter (EFF) [...]

Ethanol Final Filter Commercialized; Problems Solved at Fuel Ethanol Plant

After an ethanol plant initiated some significant process changes, they encountered a final product sulfate issue that they had not faced before. Although the process changes provided excellent yields and the related economics were sound – meeting the final product quality specifications for sulfate became a problem. Blending provided a degree of relief, but created logistical challenges. The customer looked to [...]

Automation in Cooling Towers Reduces Water & Saves Hospital Thousands

With the State of California initiative to reduce water usage by 20% by the year 2020, many plants are focusing their responsibility to become a more environmentally friendly facility. One such facility included a large California hospital seeking to reduce the water treatment costs for their HVAC system. The hospital has three (3) individual cooling tower systems that service three (3) centrifugal chillers which [...]

U.S. Water VOxOUT® Successful in Emission Control

U.S. Water’s Ethanol Process Technologies (EPT) team engaged in a CO2 Scrubber performance comparison evaluation in an Eastern United States dry grind fuel ethanol plant with a 100 MMgpy nameplate. Parameters compared were: Compliance Reliability Application Cost Residual Bisulfite – and its impact on both yeast vitality and final product sulfur content Accompanying Value The EPT [...]

Reducing Water Use in Ethanol Plants

republished with permission from Ethanol Today , December 2010 In the agribusiness sector where acronyms abound, some corn producers and ethanol plant investors are learning yet another one: ZLD It stands for “zero liquid discharge,” and it could be an important future trend for the ethanol industry as plants weigh the possible benefits of treating and re-using water that has already been [...]