[Photo provided by OZ Sepa]OZ Sepa, a South Korean startup that makes oil-water separation nano-filters, is gaining global attention for its revolutionary solution to oil pollution from oil drilling.For years, oil-producing countries and petroleum companies have struggled to deal with the massive amount of oil-contaminated water generated during oil exploration.The only solution until now has been the use of absorbent materials to remove the pollution in small quantities, resulting in dozens of huge pollution ponds filled with contaminated water being left neglected in the Middle East.

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