Sodium Carboxymethyl Cellulose By-product Concentrate for Compound Carbon Sources in Sewage Treatment

This document specifies the technical requirements, testing methods, inspection rules, and handling and labeling standards for a specific type of composite carbon source used in sewage treatment processes. The product in question is derived from a concentrated liquid byproduct of sodium carboxymethyl cellulose production, which has been repurposed to serve as an effective carbon supplement for biological treatment systems. The provisions within this text define the essential physical and chemical parameters that the material must meet to ensure consistent performance and safety in wastewater applications. It outlines procedures for sample preparation, necessary test conditions, and criteria for determining conformity. Furthermore, it details the requirements for packaging, transportation, and storage to maintain the quality of the product throughout its supply chain. This framework supports industries seeking reliable carbon sources by establishing clear benchmarks for quality assurance. The content focuses exclusively on the characterization and evaluation of the byproduct liquid, ensuring that it fulfills its intended role in environmental protection and treatment facilities without introducing extraneous commentary or historical context.