Sanforization is a process used in the textile industry to pre-shrink fabric. It involves running the fabric through a rubber belt under tension and then exposing it to steam and heat. The result is that the fabric will not shrink further when washed or dried.

Countries that are known for adopting sanforization techniques globally include:

1. United States: The United States has a strong textile industry and has been an early adopter of sanforization techniques.

2. Bangladesh: Bangladesh has emerged as a significant player in the global textile industry and has increasingly adopted modern textile processes, including sanforization.

3. China: China is a major producer of textiles and has incorporated sanforization techniques into its manufacturing processes.

4. India: India has a rich tradition in textile manufacturing and has also embraced advanced techniques such as sanforization.

5. Turkey: Turkey is renowned for its textile production, and many Turkish textile manufacturers utilize sanforization to enhance the quality of their products.

These countries, among others, have contributed to the widespread adoption of sanforization techniques in the global textile industry.

I'm sorry, but I don't have access to real-time data on the specific amounts invested in sanforization by different countries. The investment in sanforization technology and infrastructure can vary widely based on the scale of textile manufacturing in a particular country, the level of technological advancement, and the demand for sanforized fabrics.

To obtain precise investment figures, I recommend consulting industry reports, market research publications, or reaching out to relevant government agencies or industry associations that track and report on textile industry investments and technologies. These are likely to provide the most accurate and up-to-date information on the investment amounts in sanforization technology by different countries.

While specific details about ongoing projects on sanforization may vary, it's notable that research and development initiatives focusing on sanforization often occur within the context of textile engineering, manufacturing, and sustainable production. These projects are aimed at enhancing the efficiency, effectiveness, and environmental sustainability of the sanforization process. Some of the key areas of focus in such projects may include:

1. Advanced Sanforization Technologies: Research and development projects often strive to enhance the performance and precision of sanforization machinery, incorporating advancements in automation, energy efficiency, and fabric handling.

2. Eco-Friendly Sanforization: Projects may be dedicated to reducing the environmental impact of sanforization processes, such as minimizing water usage, energy consumption, and chemical usage while maintaining or improving fabric quality.

3. Sanforization for Sustainable Textiles: Initiatives may focus on integrating sanforization into the production of sustainable and eco-friendly textiles, aligning with global efforts toward sustainability in the fashion and textile industry.

4. Digitalization and Data Analysis: Some projects may explore the use of digital technologies and data analytics to optimize sanforization processes, improving quality control and production efficiency.

To gain specific insights into ongoing projects related to sanforization, reaching out to textile research institutions, universities, industry associations, and manufacturers involved in textile innovation and sustainability would be beneficial. These entities often conduct and collaborate on such projects, and they may provide detailed information on the latest advancements in sanforization technology and its applications.

Projects focused on reducing the environmental impact of sanforization processes often aim to address key sustainability challenges associated with textile manufacturing. Some specific initiatives in this area may include:

1. Waterless or Low-Water Sanforization: Research and development projects are dedicated to developing and implementing sanforization techniques that minimize water usage, utilizing innovative technologies such as air-based or steam-based processes that reduce reliance on large volumes of water.

2. Energy-Efficient Equipment and Processes: Projects may focus on optimizing the energy efficiency of sanforization machinery and processes, utilizing advanced heating and steam generation systems to minimize energy consumption while maintaining consistent and high-quality fabric finishing.

3. Chemical Management and Reduction: Initiatives may target the reduction and efficient management of chemicals used in sanforization, exploring alternative formulations and application methods to minimize the environmental impact of chemical usage while ensuring effective fabric shrinkage control.

4. Waste Reduction and Recycling: Projects may integrate waste reduction strategies within sanforization processes, such as optimizing fabric cutting and handling to minimize material waste, as well as exploring opportunities for recycling and reusing process by-products.

5. Life Cycle Analysis and Environmental Certification: Some projects may focus on conducting life cycle assessments of sanforized fabrics to understand and minimize their overall environmental impact. Additionally, efforts may be made to obtain environmental certifications for sanforized textiles to provide transparency regarding their sustainability attributes.

These projects often involve collaborations between textile manufacturers, research institutions, and environmental organizations to develop and implement sustainable sanforization practices that align with global sustainability goals and industry standards.