UK-based Green Biologics work with Kreussler to develop first bio-based drycleaning solvent 23 Jul 2018

kreussler chemicals laundry green biologics
Green Biologics Minnesota production facility

A new bio-based alternative solution is now available for drycleaners. Working with Abingdon-based renewable specialty chemicals company, Green Biologics and their facility in Minnesota, Kreussler Inc. is now making drycleaning solvent from feedstocks grown by about 500 family-owned farms in America. Kreussler has partnered with Green Biologics to produce bio-based SYSTEMK4. 

Green Biologics will use their patented fermentation process to take these locally-grown feedstocks and convert them through a low-energy, minimal waste process into the bio-based n-butanol used to produce SOLVONK4, the main solvent in the SYSTEMK4 drycleaning process. 

SOLVONK4 will now be sustainable and bio-based while retaining the award-winning cleaning attributes of the original formula. Worldwide patented SOLVONK4 is the first and only bio-based solvent in the drycleaning industry and it was recently certified as a bio-based product by the US Department of Agriculture (USDA). Such products are derived from plants and other renewable agricultural, marine, and forestry materials, giving an alternative to conventional petroleum-derived products. SolvonK4 is 88 per cent biobased and can now display a unique USDA label. “We are pleased to be working in conjunction with Kreussler to bring SYSTEMK4 bio-based drycleaning solution to market. 

This is an excellent example of how we specialise in collaborating with a market leader to leverage our renewable specialty chemicals platform in new and unique applications to deliver value to customers,” said Peter O’Loughlin, vice president of global sales at Green Biologics. Kreussler’s vice president Richard Fitzpatrick said: “This next step for SYSTEMK4 adds a critical and significant advantage for our clients, the ability to market a bio-derived and sustainable cleaning fluid. 

Green Biologics advanced developments in fermentation has given us the ability to push solvent-based textile cleaning into a new level and completes the picture of unparalleled cleaning, cost- effective operations, extremely low risk, and true ecological benefits.


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