1、Removal kinetics of vinyl acetate under aerobic and anoxic conditions
Wastewater containing artificially prepared vinyl acetate was treated in a batch bioreactor, and performance and kinetic constants were investigated.
2、degruyter_gps_gps
The existing polyester vinyl alcohol, vinyl acetate-vinyl copolymer classical vinyl acetate production process has the pro blems of low product purity and excessive heat load.
3、Trace Water Treatment of Vinyl Acetate
Vinyl Acetate (VAc), an important organic compound, poses significant environmental risks if wastewater containing VAc is improperly treated during production. developing efficient and eco-friendly methods to treat trace amounts of VAc-containing wastewater has become an urgent issue.
4、Treatment from polymerization of vinyl acetate and ethylene in an
Treatment from polymerization of vinyl acetate and ethylene in an aqueous medium in the waste water and exhaust condensate
5、Emulsion Polymerization of Vinyl Acetate in the Presence of Different
The surfactant-free emulsion polymerization of vinyl acetate (VAc) was achieved using RAFT/MADIX-mediated polymerization-induced self-assembly (PISA) process in water.
Purification Process Design of Vinyl Acetate Based on
Based on Aspen Plus process simulation, the purification stage of the production of vinyl acetate by 450000 tons of calcium carbide acetylene process was optimized.The main equipment involved in the process are degassing tower, deacetaldehyde tower, crude separation tower, vinyl acetate refining tower, acetic acid distillation column ...
Removal kinetics of vinyl acetate under aerobic and anoxic conditions
Wastewater containing artificially prepared vinyl acetate was treated in a batch bioreactor, and performance and kinetic constants were investigated.
The Polymerization of Aqueous Solutions of Vinyl Acetate
Since the difference between the characteristics of the emulsion polymerization of vinyl acetate and those of styrene largely arises from the greater water solubility of vinyl acetate, the polymerization of aqueous solutions of vinyl acetate was investigated.
(PDF) Simulation and improvement of the separation process of
In this study, in the classical design of the process, acetylene is separated first, and then acetaldehyde is removed with the formation of an azeotrope between ethylene acetate and water.
Emulsion Prepared Vinyl Acetate
ABSTRACT Vinyl acetate (VAc) based terpolymers exhibit some outstanding properties. In this review, we report different types of vinyl acetate (VAc) based terpolymers, their preparation via emulsion polymerization, properties, and applications. Emulsion is an environment-friendly industrial polymerization technique.
In this era of rapid technological advancement, the chemical industry, as a pillar of the national economy, plays a critical role in enhancing social productivity and improving living standards. Aqueous vinyl acetate, an important organic synthesis intermediate, has seen increasingly widespread industrial applications. This paper aims to explore the treatment technologies for aqueous vinyl acetate, analyzing its current applications, existing challenges, and future development trends.
I. Current Applications of Aqueous Vinyl Acetate
Aqueous vinyl acetate, as a vital organic solvent and chemical raw material, is widely used in coatings, adhesives, plastics, rubber, fibers, and other fields. In the coatings industry, it serves as a solvent and thinner, effectively improving properties such as reduced viscosity and enhanced flowability. In adhesive manufacturing, aqueous vinyl acetate is a key component for boosting adhesion performance. Additionally, it is indispensable in the production of plastic and rubber products.
II. Current Challenges in Aqueous Vinyl Acetate Treatment Technologies
Despite its broad application prospects, aqueous vinyl acetate treatment faces several challenges. First, separating and purifying aqueous vinyl acetate remains technically difficult; traditional methods like distillation and extraction are often inefficient and costly. Second, with stricter environmental regulations, minimizing or eliminating wastewater and exhaust gases generated during treatment has become an urgent issue. recycling aqueous vinyl acetate is a critical research direction; achieving resource circularization and reducing reliance on raw materials will be key to future progress.
III. Development Trends in Aqueous Vinyl Acetate Treatment Technologies
To address these challenges, treatment technologies are evolving toward higher efficiency, environmental friendliness, and energy savings. For instance, supercritical CO₂ extraction technology has gained attention due to its high efficiency and eco-friendly characteristics. This method operates at lower temperatures and pressures, improving extraction efficiency while reducing energy consumption and pollution. Additionally, membrane separation technology, a新兴 technique praised for its simplicity and high separation efficiency, offers new possibilities for purifying aqueous vinyl acetate.
aqueous vinyl acetate, as a crucial organic synthesis intermediate, holds significant importance for the chemical industry's development. Addressing current challenges and embracing future trends requires continuous innovation to achieve efficient treatment and resource utilization. Only by doing so can we fully leverage aqueous vinyl acetate's industrial potential and contribute more to societal progress.
