Penny Stock Under Rs 30: Microcap Company Set to Launch 8 MLD Common Effluent Treatment Plant with Zero Liquid Discharge! Penny Stock Under Rs 30: Microcap Company Set to Launch 8 MLD Common Effluent Treatment Plant with Zero Liquid Discharge! The shares of the company have delivered a return of over 85 per cent to its shareholders. Rakesh Deshmukh / Friday, September 20, 2024 / Article rating: 3.9 The company plans to install an 8 MLD CETP with Zero Liquid Discharge and a recycling system for water reuse.