** Shares of Parkway Corporate PWN.AX rise as much as 30% to A$0.013, their highest level since March 25
** Logs their biggest intraday pct high since March 8, 2024
** Wastewater treatment firm's unit secures site to locate the planned QBS Brine Management Complex
** Plant to address long-term waste brine management-related challenges associated with coal seam gas production by converting problematic waste brine into green chemicals
** About 24.7 mln shares traded so far, 17.2x 30-day avg
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))