Crustacean waste water product recovery process专利检索-外骨骼人工智能专利检索查询-专利查询网

Crustacean waste water product recovery process

阅读：250发布：2022-02-21

专利汇可以提供Crustacean waste water product recovery process专利检索，专利查询，专利分析的服务。并且Large amounts of water are used during crustacean peeling and canning processes. Such waste processing water creates a serious pollution problem, yet it contains valuable nutritional nonvolatile components. These components are of two types, one is typically protein in nature, precipitable at a particular pH between 4-5, while the other set of components remain soluble at such pH''s and are regarded as lower molecular weight nitrogenous proteinaceous components resembling peptones or polypeptides formed either by hydrolytic processes or existing as such in the crustacea. Both the acid precipitable protein and the non-acid precipitable proteinaceous components are extracted by the processing water used during removal of the crustacean exoskeleton (hull or shell) in the peeling operations.，下面是Crustacean waste water product recovery process专利的具体信息内容。

权利要求

1. IN THE CONNING OF CRUSTACEAN SEAFOOD INCLUDING SHRIMP WHICH COMPRISES PEELING AND AQUEOUS WASHING USING WATER JETS TO REMOVE THE HULL OR SHELL PORTIONS PRIOR TO CANNING, AND THE RESULTANT PRODUCTION OF CANNERY WASTE WATER, THE STEPS COMPRISING SUBJECTING THE RESULTANT WASHINGS TO SCREENING TO REMOVE COARSE SOLIDS AND ADDITIONALLY FILTERING THE WASHINGS AFTER THE SCREENING OPERATION TO EMOVE INSOLUBLES WHICH WOULD CLOG THE JETS, RECYCLING THE FILTERED WASHINGS THROUGH THE PEELING OPERATION FOR AT LEAST TWO TIMES. ACIDFYING THE RESULTANT WASHING TO BRING ABOUT PRECIPITATION OF THE WATER SOLUBLE PROTEIN COMPONENTS, SETTLING THE PRECIPITATED PROTEIN TO RECOVER A SUPERNATANT LIQUID, THEREAFTER FILTERING THE SUPERNATANT LIQUID ON A PRECOAT VACUUM FILTER, AND THEN SUBJECTING THE RESULTANT FILTERATE TO REVERSE OSMOSIS TO RECOVER A PORTEIN CONCENTRATE AND SUBSTANTIALLY PURE WATER.

2. A cannery process as in claim 1 wherein the cannery waste water is subjected to acidification precipitative removal of proteins and then filtration to give a filtrate suitable for recovery of soluble non-acid precipitable proteinaceous components in concentrated liquid form by ultrafiltration and containing low amounts of sodium chloride.

3. A cannery process as in claim 1, wherein the cannery waste water is recycled at least 5 times through the cannery before treatment of the same to recover valuable components therein.

4. A cannery process as in claim 1 wherein the seafood is shrimp and the water soluble products are isolated by spray drying.

5. A cannery process as in claim 1 wherein the seafood is shrimp and the waste water is subjected to acidification, precipitation of water solubles and ultrafiltration and recovery of a low-salt proteinaceous product.

6. A process as in claim 1 of treating crustacean seafood with aqueous washing process and which includes recycling of the aqueous washing resultant of said treatment, subjecting the processed waste water to ultrafiltration to recover purified water containing salt and water solubles in concentated solution.

7. A process as in claim 1 wherein the seafood is crab.

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