Core Viewpoint - The article highlights the dedication and innovative contributions of He Xiaotian, a wastewater treatment expert at Zhongyuan Environmental Protection Co., Ltd., emphasizing his role in advancing wastewater treatment technology and training the next generation of technicians [1][2][4]. Group 1: Professional Background and Achievements - He Xiaotian began his career in 2011 at the Ma Taogang Wastewater Treatment Plant, gaining extensive experience in wastewater treatment [2]. - He won first place in the national "Drainage Cup" skills competition with zero errors, showcasing his expertise [2]. - He has received multiple honors, including National Labor Model and National May Day Labor Medal, for his outstanding work [1]. Group 2: Technological Innovations - He led the development of precise aeration and dosing technologies, filling a technological gap in Henan's wastewater treatment industry [2][4]. - The team created a photovoltaic-driven cleaning robot for secondary sedimentation tanks, transitioning from manual to intelligent operations [3]. - The workshop has accumulated 13 national invention patents, 81 utility model patents, and 20 software copyrights, generating over 20 million yuan in economic benefits [4]. Group 3: Training and Knowledge Dissemination - He has compiled practical experience into training materials, which have become standard textbooks for the wastewater treatment industry in Henan [5]. - His advocacy led to the inclusion of wastewater treatment as a category in national skills competitions, opening new pathways for talent development [5]. - Hundreds of skilled technicians have emerged from his innovation studio, contributing to the sustainable development of Henan's wastewater treatment sector [5]. Group 4: Environmental Impact - The Ma Taogang Wastewater Treatment Plant processes 600,000 tons of water daily, contributing to the ecological health of the region [5]. - The treated water is utilized for various purposes, including cooling for power plants and as a water source for central air conditioning systems [5].