As an advanced oxidation technology, the Fenton process has been widely used in the treatment of high-concentration, difficult-to-degrade, and toxic and harmful industrial organic wastewaters such as coking wastewater, landfill leachate, printing and dyeing wastewater, and pesticide wastewater, and has achieved certain results.
When treating difficult-to-degrade organic wastewater, the Fenton process has advantages that cannot be matched by general chemical methods, but due to the high price of H2O2, the cost of using it alone will be too high. Therefore, in actual use, it is usually used in conjunction with other wastewater treatment processes for the pretreatment or final deep treatment of wastewater.
The Fenton process oxidation process consists of ferrous salts and hydrogen peroxide. When the pH is low enough, H2O2 will decompose to produce hydroxyl free radicals under the catalysis of divalent iron ions, thereby triggering a series of chain reactions. The role of the Fenton process in water treatment mainly includes the oxidation and coagulation of organic matter. The Fenton process can remove organic pollutants in water bodies to varying degrees.
In the pretreatment of industrial wastewater, the difficult-to-degrade organic matter in the wastewater is partially oxidized to change their biodegradability, solubility and coagulation properties, which is conducive to subsequent treatment. In the deep treatment of industrial wastewater, if there is still a small amount of biodegradable organic matter remaining in the wastewater after physical, chemical and biochemical treatment, which cannot meet the effluent discharge requirements, the Fenton process can be used for deep treatment.
ABOUT US
Shandong Longantai Environmental Protection Sci-tech Co., Ltd., established in 2005, focuses on energy-saving and compliant
treatment of industrial wastewater, wastewater recycling and reuse, and wastewater resource and energy recovery. The company
provides high-value comprehensive solutions and key equipment. It integrates research and development, manufacturing, process
design, project construction, and water services operation. Longantai has strong capabilities and a complete quality system in the
R&D and manufacturing of water treatment catalysts, critical water treatment equipment, wastewater resource recovery equipment,
and industrial energy recovery equipment.
Longantai company provides high-value-added comprehensive energy-saving and emission reduction solutions in major technological
and engineering applications such as industrial wastewater, refractory wastewater, high-salinity wastewater, high-concentration
wastewater treatment, energy-saving upgrades for wastewater treatment standards, wastewater recycling and reuse, and water quality
improvement for rivers and lakes. These solutions effectively improve resource utilization, reduce enterprise costs, and
contribute positively to green, low-carbon, and high-quality development.
Longantai places great emphasis on the role of research and development in its growth. The company currently holds over 50
invention patents, more than 10 utility model patents, 1 design patent, 1 first prize for provincial-level scientific and
technological progress, and 1 first prize for scientific and technological progress from the China Environmental Protection
Industry Association. Longantai has established industry-academia-research collaborations with several top domestic and
international universities and research institutions. Over the years, the company has been recognized with numerous honors,
including National High-Tech Enterprise, National "Little Giant" Enterprise for Specialized and New Technology, Provincial Gazelle
Enterprise, Provincial Specialized and New Technology Enterprise, Provincial Manufacturing Champion, Provincial Innovative Small
and Medium-Sized Enterprise, Hidden Champion Enterprise, Provincial "One Enterprise, One Technology" R&D Center, and Provincial
Industrial Design Center.
Longantai is a leading domestic provider of water treatment solutions, a manufacturer of critical water treatment equipment, and a
water services operator. The projects it has served have received extensive coverage from numerous mainstream media outlets,
including China Environment News, Xinhua News, Phoenix News, Sina, and various provincial TV stations.
Longantai is a collaborative and open platform with a comprehensive innovation system, mature practical technologies, and advanced
manufacturing expertise. It brings together a team of passionate, responsible, grateful, and ambitious professionals. As Longantai
continues to grow, it is eager to collaborate sincerely with partners worldwide, working together to contribute to the protection
of the environment and the pursuit of sustainable development for humanity. With the mission of "developing energy-efficient and
resource-sustainable environmental technologies and equipment for our customers," Longantai strives to fulfill its dreams and
responsibilities with gratitude. With humility and dedication, the company aims to work alongside friends from all sectors to
safeguard our clear waters, blue skies, and peaceful, harmonious homeland.
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